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    <title>java rest api on Document Processing REST APIs | GroupDocs Cloud</title>
    <link>https://blog-qa.groupdocs.cloud/tr/tag/java-rest-api/</link>
    <description>Recent content in java rest api on Document Processing REST APIs | GroupDocs Cloud</description>
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    <lastBuildDate>Wed, 23 Sep 2026 13:04:19 +0000</lastBuildDate><atom:link href="https://blog-qa.groupdocs.cloud/tr/tag/java-rest-api/index.xml" rel="self" type="application/rss+xml" />
    <item>
      <title>REST kullanarak Java&#39;da GIF&#39;e Metin Katmanı Ekle</title>
      <link>https://blog-qa.groupdocs.cloud/tr/watermark/add-text-overlay-to-gif-using-rest-in-java/</link>
      <pubDate>Wed, 23 Sep 2026 13:04:19 +0000</pubDate>
      
      <guid>https://blog-qa.groupdocs.cloud/tr/watermark/add-text-overlay-to-gif-using-rest-in-java/</guid>
      <description>GroupDocs.Watermark Cloud SDK for Java via REST API kullanarak GIF&amp;#39;lere metin bindirme eklemeyi öğrenin. Kod, cURL ve kurulum adımlarını içerir. Hemen başlayın.</description>
      <content:encoded><![CDATA[<p>Animasyonlu GIF&rsquo;lere dinamik altyazılar, alt yazılar veya tanıtım mesajları eklemek, modern web ve mobil uygulamalar için yaygın bir ihtiyaçtır. <a href="https://products.groupdocs.cloud/watermark/java/">GroupDocs.Watermark Cloud SDK for Java</a> bu görevi basitleştiren güçlü bir REST‑tabanlı kütüphane sağlar. Bu rehberde <strong>Java&rsquo;da REST kullanarak <a href="https://docs.fileformat.com/image/gif/">GIF</a> üzerine metin katmanı eklemeyi</strong> öğrenecek, tam bir Java uygulamasını görecek, eşdeğer cURL komutlarını inceleyecek ve gerekli kurulum adımlarını anlayacaksınız.</p>
<h2 id="rest-kullanarak-javada-gife-metin-bindirme---örnek-kod">REST Kullanarak Java&rsquo;da GIF&rsquo;e Metin Bindirme - Örnek Kod</h2>
<p>Bu örnek, bir metin filigranını nasıl yapılandıracağınızı ve bir GIF dosyasının her karesine nasıl uygulayacağınızı gösterir.</p>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-java" data-lang="java"><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.watermark.cloud.api.WatermarkApi<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.watermark.cloud.client.ApiException<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.watermark.cloud.client.Configuration<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.watermark.cloud.model.AddWatermarkRequest<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.watermark.cloud.model.AddWatermarkResponse<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.watermark.cloud.model.FileInfo<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.watermark.cloud.model.OutputFileInfo<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.watermark.cloud.model.TextWatermarkOptions<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.watermark.cloud.model.HorizontalAlignment<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.watermark.cloud.model.VerticalAlignment<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span>
</span></span><span style="display:flex;"><span><span style="color:#66d9ef">public</span> <span style="color:#66d9ef">class</span> <span style="color:#a6e22e">AddTextOverlayToGif</span> <span style="color:#f92672">{</span>
</span></span><span style="display:flex;"><span>    <span style="color:#66d9ef">public</span> <span style="color:#66d9ef">static</span> <span style="color:#66d9ef">void</span> <span style="color:#a6e22e">main</span><span style="color:#f92672">(</span>String<span style="color:#f92672">[]</span> args<span style="color:#f92672">)</span> <span style="color:#f92672">{</span>
</span></span><span style="display:flex;"><span>        <span style="color:#75715e">// Initialize API configuration (replace with your actual clientId and clientSecret)
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        Configuration config <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> Configuration<span style="color:#f92672">(</span><span style="color:#e6db74">&#34;YOUR_CLIENT_ID&#34;</span><span style="color:#f92672">,</span> <span style="color:#e6db74">&#34;YOUR_CLIENT_SECRET&#34;</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>        WatermarkApi watermarkApi <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> WatermarkApi<span style="color:#f92672">(</span>config<span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>
</span></span><span style="display:flex;"><span><span style="color:#75715e">// Prepare input file information
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        FileInfo inputFile <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> FileInfo<span style="color:#f92672">();</span>
</span></span><span style="display:flex;"><span>        inputFile<span style="color:#f92672">.</span><span style="color:#a6e22e">setFilePath</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;input.gif&#34;</span><span style="color:#f92672">);</span>          <span style="color:#75715e">// Path to the source GIF in the storage
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        inputFile<span style="color:#f92672">.</span><span style="color:#a6e22e">setStorageName</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;MyStorage&#34;</span><span style="color:#f92672">);</span>       <span style="color:#75715e">// Optional: name of the storage
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>
</span></span><span style="display:flex;"><span><span style="color:#75715e">// Prepare output file information
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        OutputFileInfo outputFile <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> OutputFileInfo<span style="color:#f92672">();</span>
</span></span><span style="display:flex;"><span>        outputFile<span style="color:#f92672">.</span><span style="color:#a6e22e">setFilePath</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;output.gif&#34;</span><span style="color:#f92672">);</span>        <span style="color:#75715e">// Desired path for the watermarked GIF
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        outputFile<span style="color:#f92672">.</span><span style="color:#a6e22e">setStorageName</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;MyStorage&#34;</span><span style="color:#f92672">);</span>      <span style="color:#75715e">// Optional: name of the storage
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>
</span></span><span style="display:flex;"><span><span style="color:#75715e">// Configure text watermark options
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        TextWatermarkOptions textOptions <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> TextWatermarkOptions<span style="color:#f92672">();</span>
</span></span><span style="display:flex;"><span>        textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setText</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Sample Watermark&#34;</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>        textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setFontFamily</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Arial&#34;</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>        textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setFontSize</span><span style="color:#f92672">(</span>24<span style="color:#f92672">.</span><span style="color:#a6e22e">0</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>        textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setColor</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;#FF0000&#34;</span><span style="color:#f92672">);</span>             <span style="color:#75715e">// Red color in HEX
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setOpacity</span><span style="color:#f92672">(</span>0<span style="color:#f92672">.</span><span style="color:#a6e22e">5</span><span style="color:#f92672">);</span>                 <span style="color:#75715e">// 50% opacity
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setRotationAngle</span><span style="color:#f92672">(</span>0<span style="color:#f92672">.</span><span style="color:#a6e22e">0</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>        textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setHorizontalAlignment</span><span style="color:#f92672">(</span>HorizontalAlignment<span style="color:#f92672">.</span><span style="color:#a6e22e">CENTER</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>        textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setVerticalAlignment</span><span style="color:#f92672">(</span>VerticalAlignment<span style="color:#f92672">.</span><span style="color:#a6e22e">MIDDLE</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>        textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setPageRange</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;1-&#34;</span><span style="color:#f92672">);</span>               <span style="color:#75715e">// Apply to all frames/pages
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>
</span></span><span style="display:flex;"><span><span style="color:#75715e">// Build the request
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        AddWatermarkRequest request <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> AddWatermarkRequest<span style="color:#f92672">();</span>
</span></span><span style="display:flex;"><span>        request<span style="color:#f92672">.</span><span style="color:#a6e22e">setFileInfo</span><span style="color:#f92672">(</span>inputFile<span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>        request<span style="color:#f92672">.</span><span style="color:#a6e22e">setOutputFileInfo</span><span style="color:#f92672">(</span>outputFile<span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>        request<span style="color:#f92672">.</span><span style="color:#a6e22e">setOptions</span><span style="color:#f92672">(</span>textOptions<span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>
</span></span><span style="display:flex;"><span><span style="color:#66d9ef">try</span> <span style="color:#f92672">{</span>
</span></span><span style="display:flex;"><span>            <span style="color:#75715e">// Execute the request
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>            AddWatermarkResponse response <span style="color:#f92672">=</span> watermarkApi<span style="color:#f92672">.</span><span style="color:#a6e22e">addWatermark</span><span style="color:#f92672">(</span>request<span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>            System<span style="color:#f92672">.</span><span style="color:#a6e22e">out</span><span style="color:#f92672">.</span><span style="color:#a6e22e">println</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Watermark added successfully. Output file: &#34;</span> <span style="color:#f92672">+</span> response<span style="color:#f92672">.</span><span style="color:#a6e22e">getPath</span><span style="color:#f92672">());</span>
</span></span><span style="display:flex;"><span>        <span style="color:#f92672">}</span> <span style="color:#66d9ef">catch</span> <span style="color:#f92672">(</span>ApiException e<span style="color:#f92672">)</span> <span style="color:#f92672">{</span>
</span></span><span style="display:flex;"><span>            System<span style="color:#f92672">.</span><span style="color:#a6e22e">err</span><span style="color:#f92672">.</span><span style="color:#a6e22e">println</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Error while adding watermark: &#34;</span> <span style="color:#f92672">+</span> e<span style="color:#f92672">.</span><span style="color:#a6e22e">getMessage</span><span style="color:#f92672">());</span>
</span></span><span style="display:flex;"><span>            e<span style="color:#f92672">.</span><span style="color:#a6e22e">printStackTrace</span><span style="color:#f92672">();</span>
</span></span><span style="display:flex;"><span>        <span style="color:#f92672">}</span>
</span></span><span style="display:flex;"><span>    <span style="color:#f92672">}</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">}</span>
</span></span></code></pre></div><blockquote>
<p><strong>Not:</strong> Bu kod örneği temel işlevselliği göstermektedir. Projenizde kullanmadan önce, dosya yollarını ve yapılandırma değerlerini gerçek ortamınıza uygun şekilde güncellediğinizden, tüm gerekli bağımlılıkların doğru şekilde yüklendiğinden emin olun ve geliştirme ortamınızda kapsamlı bir şekilde test edin. Herhangi bir sorunla karşılaşırsanız, lütfen <a href="https://docs.groupdocs.cloud/watermark/">resmi belgeler</a> adresine bakın veya <a href="https://forum.groupdocs.cloud/c/watermark/29">destek ekibi</a> ile iletişime geçin.</p>
</blockquote>
<h2 id="curl-kullanarak-rest-api-ile-gif-üzerine-metin-yerleştirme">cURL Kullanarak REST API ile GIF Üzerine Metin Yerleştirme</h2>
<p>Aşağıda, bir terminalden aynı işlemi gerçekleştiren cURL komutları bulunmaktadır. Bu komutlar tam REST iş akışını gösterir: kimlik doğrulama, yükleme, filigran ekleme ve indirme.</p>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span><span style="color:#75715e"># 1. Obtain an access token</span>
</span></span><span style="display:flex;"><span>curl -X POST <span style="color:#e6db74">&#34;https://api.groupdocs.cloud/v2.0/auth/token&#34;</span> <span style="color:#ae81ff">\
</span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span>     -H <span style="color:#e6db74">&#34;Content-Type: application/json&#34;</span> <span style="color:#ae81ff">\
</span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span>     -d <span style="color:#e6db74">&#39;{&#34;client_id&#34;:&#34;YOUR_CLIENT_ID&#34;,&#34;client_secret&#34;:&#34;YOUR_CLIENT_SECRET&#34;}&#39;</span>
</span></span></code></pre></div><p>Aşağıdaki çağrılarda <code>YOUR_ACCESS_TOKEN</code> ifadesini yukarıda döndürülen token ile değiştirin.</p>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span><span style="color:#75715e"># 2. Upload the source GIF to storage</span>
</span></span><span style="display:flex;"><span>curl -X PUT <span style="color:#e6db74">&#34;https://api.groupdocs.cloud/v2.0/storage/file/input.gif&#34;</span> <span style="color:#ae81ff">\
</span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span>     -H <span style="color:#e6db74">&#34;Authorization: Bearer YOUR_ACCESS_TOKEN&#34;</span> <span style="color:#ae81ff">\
</span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span>     -H <span style="color:#e6db74">&#34;Content-Type: application/octet-stream&#34;</span> <span style="color:#ae81ff">\
</span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span>     --data-binary @path/to/local/input.gif
</span></span></code></pre></div><div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span><span style="color:#75715e"># 3. Add text overlay to the GIF</span>
</span></span><span style="display:flex;"><span>curl -X POST <span style="color:#e6db74">&#34;https://api.groupdocs.cloud/v2.0/watermark/add&#34;</span> <span style="color:#ae81ff">\
</span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span>     -H <span style="color:#e6db74">&#34;Authorization: Bearer YOUR_ACCESS_TOKEN&#34;</span> <span style="color:#ae81ff">\
</span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span>     -H <span style="color:#e6db74">&#34;Content-Type: application/json&#34;</span> <span style="color:#ae81ff">\
</span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span>     -d <span style="color:#e6db74">&#39;{
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">           &#34;fileInfo&#34;: { &#34;filePath&#34;: &#34;input.gif&#34;, &#34;storageName&#34;: &#34;MyStorage&#34; },
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">           &#34;outputFileInfo&#34;: { &#34;filePath&#34;: &#34;output.gif&#34;, &#34;storageName&#34;: &#34;MyStorage&#34; },
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">           &#34;options&#34;: {
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">               &#34;text&#34;: &#34;Sample Watermark&#34;,
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">               &#34;fontFamily&#34;: &#34;Arial&#34;,
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">               &#34;fontSize&#34;: 24,
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">               &#34;color&#34;: &#34;#FF0000&#34;,
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">               &#34;opacity&#34;: 0.5,
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">               &#34;horizontalAlignment&#34;: &#34;Center&#34;,
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">               &#34;verticalAlignment&#34;: &#34;Middle&#34;,
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">               &#34;pageRange&#34;: &#34;1-&#34;
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">           }
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">         }&#39;</span>
</span></span></code></pre></div><div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span><span style="color:#75715e"># 4. Download the watermarked GIF</span>
</span></span><span style="display:flex;"><span>curl -X GET <span style="color:#e6db74">&#34;https://api.groupdocs.cloud/v2.0/storage/file/output.gif&#34;</span> <span style="color:#ae81ff">\
</span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span>     -H <span style="color:#e6db74">&#34;Authorization: Bearer YOUR_ACCESS_TOKEN&#34;</span> <span style="color:#ae81ff">\
</span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span>     -o path/to/local/output.gif
</span></span></code></pre></div><p>İstek gövdeleri ve yanıt formatları hakkında daha fazla ayrıntı için, <a href="https://docs.groupdocs.cloud/watermark/">resmi API belgelerine</a> bakın.</p>
<h2 id="rest-kullanarak-javada-gife-metin-katmanı-ekleme---nasıl-çalışır">REST Kullanarak Java&rsquo;da GIF&rsquo;e Metin Katmanı Ekleme - Nasıl Çalışır</h2>
<ol>
<li><strong>API istemcisini başlatın</strong> - <code>new Configuration(&quot;YOUR_CLIENT_ID&quot;, &quot;YOUR_CLIENT_SECRET&quot;)</code> kimlik bilgilerinizi tutan bir yapılandırma nesnesi oluşturur. <code>WatermarkApi</code> örneği bu yapılandırmayı her isteği imzalamak için kullanır.</li>
</ol>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-java" data-lang="java"><span style="display:flex;"><span>Configuration config <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> Configuration<span style="color:#f92672">(</span><span style="color:#e6db74">&#34;YOUR_CLIENT_ID&#34;</span><span style="color:#f92672">,</span> <span style="color:#e6db74">&#34;YOUR_CLIENT_SECRET&#34;</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>WatermarkApi watermarkApi <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> WatermarkApi<span style="color:#f92672">(</span>config<span style="color:#f92672">);</span>
</span></span></code></pre></div><ol start="2">
<li>
<p><strong>Kaynak ve hedef dosyaları belirtin</strong> - <code>FileInfo</code> ve <code>OutputFileInfo</code> hizmete orijinal GIF&rsquo;i nereden okuyacağını ve sonucu nereye yazacağını söyler. Her ikisi de özel bir depolama adı referans alabilir.</p>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-java" data-lang="java"><span style="display:flex;"><span>FileInfo inputFile <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> FileInfo<span style="color:#f92672">();</span>
</span></span><span style="display:flex;"><span>inputFile<span style="color:#f92672">.</span><span style="color:#a6e22e">setFilePath</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;input.gif&#34;</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>inputFile<span style="color:#f92672">.</span><span style="color:#a6e22e">setStorageName</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;MyStorage&#34;</span><span style="color:#f92672">);</span>
</span></span></code></pre></div></li>
<li>
<p><strong>Metin filigranını yapılandırın</strong> - <code>TextWatermarkOptions</code> tüm görsel özellikleri tutar: metin, yazı tipi, boyut, renk, saydamlık, döndürme ve hizalama. <code>pageRange</code> değerini <code>&quot;1-&quot;</code> olarak ayarlamak, animasyonlu GIF&rsquo;in her karesinin üst katmanı almasını sağlar.</p>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-java" data-lang="java"><span style="display:flex;"><span>TextWatermarkOptions textOptions <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> TextWatermarkOptions<span style="color:#f92672">();</span>
</span></span><span style="display:flex;"><span>textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setText</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Sample Watermark&#34;</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setFontFamily</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Arial&#34;</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setFontSize</span><span style="color:#f92672">(</span>24<span style="color:#f92672">.</span><span style="color:#a6e22e">0</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setColor</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;#FF0000&#34;</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setOpacity</span><span style="color:#f92672">(</span>0<span style="color:#f92672">.</span><span style="color:#a6e22e">5</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setHorizontalAlignment</span><span style="color:#f92672">(</span>HorizontalAlignment<span style="color:#f92672">.</span><span style="color:#a6e22e">CENTER</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setVerticalAlignment</span><span style="color:#f92672">(</span>VerticalAlignment<span style="color:#f92672">.</span><span style="color:#a6e22e">MIDDLE</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>textOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setPageRange</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;1-&#34;</span><span style="color:#f92672">);</span>
</span></span></code></pre></div></li>
<li>
<p><strong>İsteği oluşturun ve gönderin</strong> - <code>AddWatermarkRequest</code> dosya bilgilerini ve seçenekleri bir araya getirir. <code>watermarkApi.addWatermark(request)</code> çağrısı, işlemi sunucuda gerçekleştirir ve işlenmiş dosyanın yolunu döndürür.</p>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-java" data-lang="java"><span style="display:flex;"><span>AddWatermarkRequest request <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> AddWatermarkRequest<span style="color:#f92672">();</span>
</span></span><span style="display:flex;"><span>request<span style="color:#f92672">.</span><span style="color:#a6e22e">setFileInfo</span><span style="color:#f92672">(</span>inputFile<span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>request<span style="color:#f92672">.</span><span style="color:#a6e22e">setOutputFileInfo</span><span style="color:#f92672">(</span>outputFile<span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>request<span style="color:#f92672">.</span><span style="color:#a6e22e">setOptions</span><span style="color:#f92672">(</span>textOptions<span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>AddWatermarkResponse response <span style="color:#f92672">=</span> watermarkApi<span style="color:#f92672">.</span><span style="color:#a6e22e">addWatermark</span><span style="color:#f92672">(</span>request<span style="color:#f92672">);</span>
</span></span></code></pre></div></li>
<li>
<p><strong>Yanıtı İşleyin</strong> - Yanıt, çıktı dosyasının yolunu içerir. Gerçek bir uygulamada genellikle dosyayı indirir veya yolu başka bir hizmete geçirirsiniz.</p>
</li>
</ol>
<p>Sınıfların ve özelliklerin tam listesi için, <a href="https://reference.groupdocs.cloud/watermark/">API referansına</a> bakın.</p>
<h2 id="kurulum-ve-yapılandırma-groupdocswatermark-cloud-sdk-for-java">Kurulum ve Yapılandırma GroupDocs.Watermark Cloud SDK for Java</h2>
<p>Maven bağımlılığını <code>pom.xml</code> dosyanıza ekleyin (veya eşdeğer Gradle girdisini). Bu, SDK’nın 23.8 sürümünü getirir.</p>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-xml" data-lang="xml"><span style="display:flex;"><span><span style="color:#f92672">&lt;dependency&gt;</span>
</span></span><span style="display:flex;"><span>    <span style="color:#f92672">&lt;groupId&gt;</span>com.groupdocs<span style="color:#f92672">&lt;/groupId&gt;</span>
</span></span><span style="display:flex;"><span>    <span style="color:#f92672">&lt;artifactId&gt;</span>groupdocs-watermark-cloud<span style="color:#f92672">&lt;/artifactId&gt;</span>
</span></span><span style="display:flex;"><span>    <span style="color:#f92672">&lt;version&gt;</span>23.8<span style="color:#f92672">&lt;/version&gt;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">&lt;/dependency&gt;</span>
</span></span></code></pre></div><p><strong>Önkoşullar</strong></p>
<ul>
<li>Java 8 ve üzeri</li>
<li>Aktif bir GroupDocs Cloud hesabı</li>
<li>Client ID ve Client Secret (GroupDocs Cloud kontrol panelinde mevcut)</li>
</ul>
<p><strong>Yapılandırma Örneği</strong></p>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-java" data-lang="java"><span style="display:flex;"><span>Configuration config <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> Configuration<span style="color:#f92672">(</span><span style="color:#e6db74">&#34;YOUR_CLIENT_ID&#34;</span><span style="color:#f92672">,</span> <span style="color:#e6db74">&#34;YOUR_CLIENT_SECRET&#34;</span><span style="color:#f92672">);</span>
</span></span></code></pre></div><p>En son JAR&rsquo;ları <a href="https://releases.groupdocs.cloud/watermark/java/">indirme sayfası</a> üzerinden indirin. Üretim kullanımı için, geçerli bir lisansı <a href="https://purchase.groupdocs.cloud/temporary-license/">geçici lisans sayfası</a> üzerinden alın.</p>
<h2 id="sonuç">Sonuç</h2>
<p>REST kullanarak Java&rsquo;da GIF&rsquo;e metin bindirme eklemek, <a href="https://products.groupdocs.cloud/watermark/java/">GroupDocs.Watermark Cloud SDK for Java</a> sayesinde tekrarlanabilir bir sunucu‑tarafı işleme dönüşür. SDK, animasyonlu karelerin işlenmesindeki karmaşıklıkları soyutlayarak altyazılarınızın veya tanıtım mesajlarınızın içeriğine odaklanmanızı sağlar. Örnek kodu veya cURL iş akışını entegre ettikten sonra, marka kimliğinize uygun olacak şekilde yazı tiplerini, renkleri ve opaklığı ince ayar yapabilirsiniz. Ürün sayfasında üretim lisansı fiyatlandırma detayları mevcuttur ve test amaçlı geçici bir lisans <a href="https://purchase.groupdocs.cloud/temporary-license/">geçici lisans sayfası</a> üzerinden alınabilir. İyi kodlamalar!</p>
<h2 id="sss">SSS</h2>
<ul>
<li>
<p><strong>Kullanıcıya göre değişen metinle Java&rsquo;da REST kullanarak GIF&rsquo;e metin Katmanı nasıl eklenir?</strong><br>
Kullanıcıya özgü dizeyi runtime&rsquo;da <code>TextWatermarkOptions</code> nesnesiyle oluşturun, ardından aynı <code>addWatermark</code> çağrısını yapın. API her isteği bağımsız olarak işler, bu yüzden dinamik içerik tam olarak desteklenir.</p>
</li>
<li>
<p><strong>Animasyon hızını etkilemeden bir animasyonlu GIF&rsquo;e altyazı ekleyebilir miyim?</strong><br>
Evet. Filigran, orijinal kare gecikmesini korurken her kareye uygulanır. Sadece <code>pageRange</code> değerini <code>&quot;1-&quot;</code> olarak ayarlayın, böylece her kare aynı kaplamayı alır.</p>
</li>
<li>
<p><strong>Overlay metin rengi için hangi formatlar destekleniyor?</strong><br>
SDK, HEX renk kodlarını (ör. <code>#FF0000</code>) ve standart <a href="https://docs.fileformat.com/web/html/">HTML</a> renk adlarını kabul eder. Tam liste için <a href="https://reference.groupdocs.cloud/watermark/">API referansına</a> bakın.</p>
</li>
<li>
<p><strong>Geliştirme ve test için bir lisansa ihtiyacım var mı?</strong><br>
Değerlendirme ve test için geçici bir lisans yeterlidir. Üretim dağıtımları için, ürün sayfasından tam bir lisans satın alın ve SDK&rsquo;nın lisanslama API&rsquo;si ile uygulayın.</p>
</li>
</ul>
<h2 id="daha-fazla">Daha Fazla</h2>
<ul>
<li><a href="https://blog.groupdocs.cloud/tr/watermark/add-overlay-text-on-a-gif-using-rest-api-in-csharp/">C# ile REST API kullanarak GIF üzerine Metin Ekleme</a></li>
<li><a href="https://blog.groupdocs.cloud/tr/watermark/add-watermark-to-images-using-java/">Java kullanarak Görsellere Filigran Ekleme</a></li>
<li><a href="https://blog.groupdocs.cloud/tr/watermark/add-watermark-to-word-in-java-watermark-creator/">Java&rsquo;da Word&rsquo;e Filigran Ekleme - Filigran Oluşturucu</a></li>
</ul>
]]></content:encoded>
    </item>
    
    <item>
      <title>REST ile Java’da Excel’e Şifre Koruması</title>
      <link>https://blog-qa.groupdocs.cloud/tr/merger/password-protect-excel-via-rest-in-java/</link>
      <pubDate>Fri, 04 Sep 2026 12:18:34 +0000</pubDate>
      
      <guid>https://blog-qa.groupdocs.cloud/tr/merger/password-protect-excel-via-rest-in-java/</guid>
      <description>Java&amp;#39;da REST aracılığıyla bir Excel çalışma kitabını şifreyle korumayı, GroupDocs.Merger Cloud SDK kullanarak öğrenin. Adım adım kılavuz, kod örneği ve cURL komutları dahil.</description>
      <content:encoded><![CDATA[<p>Excel çalışma kitaplarında hassas verileri gizlemek, raporları dahili olarak veya ortaklarla paylaşan işletmeler için yaygın bir gereksinimdir. <a href="https://products.groupdocs.cloud/merger/java/">GroupDocs.Merger Cloud SDK for Java</a> geliştiricilerin <a href="https://docs.fileformat.com/spreadsheet/xlsx/">XLSX</a> dosyalarına basit bir REST API aracılığıyla şifre koruması eklemesini sağlar. Bu rehberde <strong>REST üzerinden Java ile Excel Şifreleme</strong> nasıl uygulanacağını öğrenecek, tam bir Java örneğini görecek ve bulut entegrasyonu için eşdeğer cURL komutlarını çalıştıracaksınız.</p>
<h2 id="önkoşullar-ve-kurulum">Önkoşullar ve Kurulum</h2>
<p>Başlamadan önce, aşağıdakilere sahip olduğunuzdan emin olun:</p>
<ul>
<li>Java 8 veya üzeri yüklü.</li>
<li>Bağımlılık yönetimi için Maven veya Gradle.</li>
<li><strong>client ID</strong> ve <strong>client secret</strong> içeren bir GroupDocs Cloud hesabı.</li>
<li>Excel dosyalarının bulunacağı bulut depolamaya erişim.</li>
</ul>
<p>Maven bağımlılığını <code>pom.xml</code> dosyanıza ekleyin (veya eşdeğer Gradle snippet&rsquo;ı):</p>
<!--[CODE_SNIPPET_START]-->
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-xml" data-lang="xml"><span style="display:flex;"><span><span style="color:#f92672">&lt;dependency&gt;</span>
</span></span><span style="display:flex;"><span>    <span style="color:#f92672">&lt;groupId&gt;</span>com.groupdocs<span style="color:#f92672">&lt;/groupId&gt;</span>
</span></span><span style="display:flex;"><span>    <span style="color:#f92672">&lt;artifactId&gt;</span>groupdocs-merger-cloud<span style="color:#f92672">&lt;/artifactId&gt;</span>
</span></span><span style="display:flex;"><span>    <span style="color:#f92672">&lt;version&gt;</span>25.11<span style="color:#f92672">&lt;/version&gt;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">&lt;/dependency&gt;</span>
</span></span></code></pre></div><!--[CODE_SNIPPET_END]-->
<p>En son JAR&rsquo;ları <a href="https://releases.groupdocs.cloud/merger/java/">indirme sayfasından</a> indirebilirsiniz. Bağımlılığı ekledikten sonra, kimlik bilgilerinizle bir yapılandırma nesnesi oluşturun:</p>
<!--[CODE_SNIPPET_START]-->
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-java" data-lang="java"><span style="display:flex;"><span>String clientId <span style="color:#f92672">=</span> <span style="color:#e6db74">&#34;YOUR_CLIENT_ID&#34;</span><span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span>String clientSecret <span style="color:#f92672">=</span> <span style="color:#e6db74">&#34;YOUR_CLIENT_SECRET&#34;</span><span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span>
</span></span><span style="display:flex;"><span>Configuration config <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> Configuration<span style="color:#f92672">(</span>clientId<span style="color:#f92672">,</span> clientSecret<span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>MergerApi mergerApi <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> MergerApi<span style="color:#f92672">(</span>config<span style="color:#f92672">);</span>
</span></span></code></pre></div><!--[CODE_SNIPPET_END]-->
<p>İstemci hazır olduğunda, gerçek parola korumalı iş akışına geçebilirsiniz.</p>
<h2 id="javada-rest-ile-excel-şifreleme-adım-adım-rehber">Java&rsquo;da REST ile Excel Şifreleme: Adım Adım Rehber</h2>
<h3 id="adım-1-kaynak-belgeyi-yükle">Adım 1: Kaynak Belgeyi Yükle</h3>
<p>Bulut depolamanızdaki kaynak XLSX dosyasının konumunu belirleyin.</p>
<!--[CODE_SNIPPET_START]-->
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-java" data-lang="java"><span style="display:flex;"><span>FileInfo inputFile <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> FileInfo<span style="color:#f92672">();</span>
</span></span><span style="display:flex;"><span>inputFile<span style="color:#f92672">.</span><span style="color:#a6e22e">setFilePath</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;input.xlsx&#34;</span><span style="color:#f92672">);</span>   <span style="color:#75715e">// source Excel file
</span></span></span></code></pre></div><!--[CODE_SNIPPET_END]-->
<h3 id="adım-2-hedef-yolu-ayarlayın">Adım 2: Hedef Yolu Ayarlayın</h3>
<p>Korunan çalışma kitabının nereye kaydedileceğini belirtin.</p>
<!--[CODE_SNIPPET_START]-->
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-java" data-lang="java"><span style="display:flex;"><span>String outputPath <span style="color:#f92672">=</span> <span style="color:#e6db74">&#34;output_protected.xlsx&#34;</span><span style="color:#f92672">;</span> <span style="color:#75715e">// destination file
</span></span></span></code></pre></div><!--[CODE_SNIPPET_END]-->
<h3 id="adım-3-şifre-koruma-seçeneklerini-yapılandır">Adım 3: Şifre Koruma Seçeneklerini Yapılandır</h3>
<p>Bir <code>ProtectOptions</code> nesnesi oluşturun, dosya bilgilerini, çıktı yolunu ve istenen şifreyi ekleyin.</p>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-java" data-lang="java"><span style="display:flex;"><span>ProtectOptions protectOptions <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> ProtectOptions<span style="color:#f92672">();</span>
</span></span><span style="display:flex;"><span>protectOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setFileInfo</span><span style="color:#f92672">(</span>inputFile<span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>protectOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setOutputPath</span><span style="color:#f92672">(</span>outputPath<span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>protectOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setPassword</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;MySecretPassword&#34;</span><span style="color:#f92672">);</span> <span style="color:#75715e">// desired password
</span></span></span></code></pre></div><h3 id="adım-4-koruma-belgesi-isteğini-oluştur">Adım 4: Koruma Belgesi İsteğini Oluştur</h3>
<p>Seçenekleri bir <code>ProtectDocumentRequest</code> içinde sarın.</p>
<!--[CODE_SNIPPET_START]-->
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-java" data-lang="java"><span style="display:flex;"><span>ProtectDocumentRequest request <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> ProtectDocumentRequest<span style="color:#f92672">(</span>protectOptions<span style="color:#f92672">);</span>
</span></span></code></pre></div><!--[CODE_SNIPPET_END]-->
<h3 id="adım-5-isteği-yürütme-ve-yanıtı-işleme">Adım 5: İsteği Yürütme ve Yanıtı İşleme</h3>
<p>API yöntemini çağırın ve oluşabilecek hataları işleyin.</p>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-java" data-lang="java"><span style="display:flex;"><span><span style="color:#66d9ef">try</span> <span style="color:#f92672">{</span>
</span></span><span style="display:flex;"><span>    mergerApi<span style="color:#f92672">.</span><span style="color:#a6e22e">protectDocument</span><span style="color:#f92672">(</span>request<span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>    System<span style="color:#f92672">.</span><span style="color:#a6e22e">out</span><span style="color:#f92672">.</span><span style="color:#a6e22e">println</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Excel file has been password protected successfully.&#34;</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>    System<span style="color:#f92672">.</span><span style="color:#a6e22e">out</span><span style="color:#f92672">.</span><span style="color:#a6e22e">println</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Protected file stored at: &#34;</span> <span style="color:#f92672">+</span> outputPath<span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">}</span> <span style="color:#66d9ef">catch</span> <span style="color:#f92672">(</span>ApiException e<span style="color:#f92672">)</span> <span style="color:#f92672">{</span>
</span></span><span style="display:flex;"><span>    System<span style="color:#f92672">.</span><span style="color:#a6e22e">err</span><span style="color:#f92672">.</span><span style="color:#a6e22e">println</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Error while protecting the Excel file:&#34;</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>    System<span style="color:#f92672">.</span><span style="color:#a6e22e">err</span><span style="color:#f92672">.</span><span style="color:#a6e22e">println</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Status Code: &#34;</span> <span style="color:#f92672">+</span> e<span style="color:#f92672">.</span><span style="color:#a6e22e">getCode</span><span style="color:#f92672">());</span>
</span></span><span style="display:flex;"><span>    System<span style="color:#f92672">.</span><span style="color:#a6e22e">err</span><span style="color:#f92672">.</span><span style="color:#a6e22e">println</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Message: &#34;</span> <span style="color:#f92672">+</span> e<span style="color:#f92672">.</span><span style="color:#a6e22e">getMessage</span><span style="color:#f92672">());</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">}</span>
</span></span></code></pre></div><p>Her sınıf hakkında daha fazla ayrıntı için, <a href="https://reference.groupdocs.cloud/merger/">API referansı</a> adresine bakın.</p>
<h2 id="rest-üzerinden-javada-excel-şifre-koruması-için-tam-çalışan-örnek">REST üzerinden Java&rsquo;da Excel Şifre Koruması için Tam Çalışan Örnek</h2>
<p>Aşağıdaki kod, baştan sona kadar tam süreci gösterir.</p>
<!--[COMPLETE_CODE_SNIPPET_START]-->
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-java" data-lang="java"><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.merger.cloud.ApiException<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.merger.cloud.Configuration<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.merger.cloud.api.MergerApi<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.merger.cloud.model.FileInfo<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.merger.cloud.model.ProtectOptions<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">import</span> com.groupdocs.merger.cloud.model.requests.ProtectDocumentRequest<span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span>
</span></span><span style="display:flex;"><span><span style="color:#66d9ef">public</span> <span style="color:#66d9ef">class</span> <span style="color:#a6e22e">ProtectExcelExample</span> <span style="color:#f92672">{</span>
</span></span><span style="display:flex;"><span>    <span style="color:#66d9ef">public</span> <span style="color:#66d9ef">static</span> <span style="color:#66d9ef">void</span> <span style="color:#a6e22e">main</span><span style="color:#f92672">(</span>String<span style="color:#f92672">[]</span> args<span style="color:#f92672">)</span> <span style="color:#f92672">{</span>
</span></span><span style="display:flex;"><span>        <span style="color:#75715e">// Replace with your actual client credentials
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        String clientId <span style="color:#f92672">=</span> <span style="color:#e6db74">&#34;YOUR_CLIENT_ID&#34;</span><span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span>        String clientSecret <span style="color:#f92672">=</span> <span style="color:#e6db74">&#34;YOUR_CLIENT_SECRET&#34;</span><span style="color:#f92672">;</span>
</span></span><span style="display:flex;"><span>
</span></span><span style="display:flex;"><span><span style="color:#75715e">// Initialize the API configuration
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        Configuration config <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> Configuration<span style="color:#f92672">(</span>clientId<span style="color:#f92672">,</span> clientSecret<span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>        MergerApi mergerApi <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> MergerApi<span style="color:#f92672">(</span>config<span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>
</span></span><span style="display:flex;"><span><span style="color:#75715e">// Define input and output file locations (relative to the storage root)
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        FileInfo inputFile <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> FileInfo<span style="color:#f92672">();</span>
</span></span><span style="display:flex;"><span>        inputFile<span style="color:#f92672">.</span><span style="color:#a6e22e">setFilePath</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;input.xlsx&#34;</span><span style="color:#f92672">);</span>          <span style="color:#75715e">// source Excel file
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        String outputPath <span style="color:#f92672">=</span> <span style="color:#e6db74">&#34;output_protected.xlsx&#34;</span><span style="color:#f92672">;</span>  <span style="color:#75715e">// destination file
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>
</span></span><span style="display:flex;"><span><span style="color:#75715e">// Set password protection options
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        ProtectOptions protectOptions <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> ProtectOptions<span style="color:#f92672">();</span>
</span></span><span style="display:flex;"><span>        protectOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setFileInfo</span><span style="color:#f92672">(</span>inputFile<span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>        protectOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setOutputPath</span><span style="color:#f92672">(</span>outputPath<span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>        protectOptions<span style="color:#f92672">.</span><span style="color:#a6e22e">setPassword</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;MySecretPassword&#34;</span><span style="color:#f92672">);</span> <span style="color:#75715e">// desired password
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>
</span></span><span style="display:flex;"><span><span style="color:#75715e">// Build the request
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>        ProtectDocumentRequest request <span style="color:#f92672">=</span> <span style="color:#66d9ef">new</span> ProtectDocumentRequest<span style="color:#f92672">(</span>protectOptions<span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>
</span></span><span style="display:flex;"><span><span style="color:#66d9ef">try</span> <span style="color:#f92672">{</span>
</span></span><span style="display:flex;"><span>            <span style="color:#75715e">// Execute the password protection operation
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>            mergerApi<span style="color:#f92672">.</span><span style="color:#a6e22e">protectDocument</span><span style="color:#f92672">(</span>request<span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>            System<span style="color:#f92672">.</span><span style="color:#a6e22e">out</span><span style="color:#f92672">.</span><span style="color:#a6e22e">println</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Excel file has been password protected successfully.&#34;</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>            System<span style="color:#f92672">.</span><span style="color:#a6e22e">out</span><span style="color:#f92672">.</span><span style="color:#a6e22e">println</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Protected file stored at: &#34;</span> <span style="color:#f92672">+</span> outputPath<span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>        <span style="color:#f92672">}</span> <span style="color:#66d9ef">catch</span> <span style="color:#f92672">(</span>ApiException e<span style="color:#f92672">)</span> <span style="color:#f92672">{</span>
</span></span><span style="display:flex;"><span>            System<span style="color:#f92672">.</span><span style="color:#a6e22e">err</span><span style="color:#f92672">.</span><span style="color:#a6e22e">println</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Error while protecting the Excel file:&#34;</span><span style="color:#f92672">);</span>
</span></span><span style="display:flex;"><span>            System<span style="color:#f92672">.</span><span style="color:#a6e22e">err</span><span style="color:#f92672">.</span><span style="color:#a6e22e">println</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Status Code: &#34;</span> <span style="color:#f92672">+</span> e<span style="color:#f92672">.</span><span style="color:#a6e22e">getCode</span><span style="color:#f92672">());</span>
</span></span><span style="display:flex;"><span>            System<span style="color:#f92672">.</span><span style="color:#a6e22e">err</span><span style="color:#f92672">.</span><span style="color:#a6e22e">println</span><span style="color:#f92672">(</span><span style="color:#e6db74">&#34;Message: &#34;</span> <span style="color:#f92672">+</span> e<span style="color:#f92672">.</span><span style="color:#a6e22e">getMessage</span><span style="color:#f92672">());</span>
</span></span><span style="display:flex;"><span>        <span style="color:#f92672">}</span>
</span></span><span style="display:flex;"><span>    <span style="color:#f92672">}</span>
</span></span><span style="display:flex;"><span><span style="color:#f92672">}</span>
</span></span></code></pre></div><!--[COMPLETE_CODE_SNIPPET_END]-->
<blockquote>
<p><strong>Not:</strong> Bu kod örneği temel işlevselliği göstermektedir. Projenizde kullanmadan önce dosya yollarını (<code>input.xlsx</code>, <code>output_protected.xlsx</code>) gerçek dosya konumlarınıza göre güncellediğinizden, tüm gerekli bağımlılıkların doğru şekilde yüklendiğinden emin olun ve geliştirme ortamınızda kapsamlı bir şekilde test edin. Herhangi bir sorunla karşılaşırsanız, lütfen <a href="https://docs.groupdocs.cloud/merger/">resmi dokümantasyona</a> bakın veya <a href="https://forum.groupdocs.cloud/c/merger/18">destek ekibi</a> ile iletişime geçin.</p>
</blockquote>
<h2 id="curl-kullanarak-rest-api-ile-excel-çalışma-kitabını-koru">cURL Kullanarak REST API ile Excel Çalışma Kitabını Koru</h2>
<p>Aşağıda, aynı parola‑koruma işlemini doğrudan REST uç noktalarına karşı gerçekleştiren bir dizi cURL komutu bulunmaktadır.</p>
<p><strong>1. Kimlik doğrulama yapın ve bir erişim belirteci alın</strong></p>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>curl -X POST <span style="color:#e6db74">&#34;https://api.groupdocs.cloud/v2.0/auth/token&#34;</span> <span style="color:#ae81ff">\
</span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span>     -H <span style="color:#e6db74">&#34;Content-Type: application/json&#34;</span> <span style="color:#ae81ff">\
</span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span>     -d <span style="color:#e6db74">&#39;{
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">           &#34;client_id&#34;: &#34;YOUR_CLIENT_ID&#34;,
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">           &#34;client_secret&#34;: &#34;YOUR_CLIENT_SECRET&#34;
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">         }&#39;</span>
</span></span></code></pre></div><p>Yanıt, sonraki çağrılarda kullanacağınız bir <code>access_token</code> içerir.</p>
<p><strong>2. Kaynak XLSX dosyasını yükleyin</strong></p>
<!--[CODE_SNIPPET_START]-->
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>curl -X PUT <span style="color:#e6db74">&#34;https://api.groupdocs.cloud/v2.0/storage/file/input.xlsx&#34;</span> <span style="color:#ae81ff">\
</span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span>     -H <span style="color:#e6db74">&#34;Authorization: Bearer YOUR_ACCESS_TOKEN&#34;</span> <span style="color:#ae81ff">\
</span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span>     -H <span style="color:#e6db74">&#34;Content-Type: application/octet-stream&#34;</span> <span style="color:#ae81ff">\
</span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span>     --data-binary @input.xlsx
</span></span></code></pre></div><!--[CODE_SNIPPET_END]-->
<p><strong>3. Parola koruması isteği</strong></p>
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>curl -X POST <span style="color:#e6db74">&#34;https://api.groupdocs.cloud/v2.0/merger/protect&#34;</span> <span style="color:#ae81ff">\
</span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span>     -H <span style="color:#e6db74">&#34;Authorization: Bearer YOUR_ACCESS_TOKEN&#34;</span> <span style="color:#ae81ff">\
</span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span>     -H <span style="color:#e6db74">&#34;Content-Type: application/json&#34;</span> <span style="color:#ae81ff">\
</span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span>     -d <span style="color:#e6db74">&#39;{
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">           &#34;fileInfo&#34;: { &#34;filePath&#34;: &#34;input.xlsx&#34; },
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">           &#34;outputPath&#34;: &#34;output_protected.xlsx&#34;,
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">           &#34;password&#34;: &#34;MySecretPassword&#34;
</span></span></span><span style="display:flex;"><span><span style="color:#e6db74">         }&#39;</span>
</span></span></code></pre></div><p><strong>4. Korunan çalışma kitabını indirin</strong></p>
<!--[CODE_SNIPPET_START]-->
<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>curl -X GET <span style="color:#e6db74">&#34;https://api.groupdocs.cloud/v2.0/storage/file/output_protected.xlsx&#34;</span> <span style="color:#ae81ff">\
</span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span>     -H <span style="color:#e6db74">&#34;Authorization: Bearer YOUR_ACCESS_TOKEN&#34;</span> <span style="color:#ae81ff">\
</span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span>     -o output_protected.xlsx
</span></span></code></pre></div><!--[CODE_SNIPPET_END]-->
<p>Bu komutlar, koruma iş akışını betiklere veya CI boru hatlarına entegre etmenizi sağlar. Daha fazla ayrıntı için, <a href="https://docs.groupdocs.cloud/merger/">resmi API belgelerine</a> bakın.</p>
<h2 id="sonuç">Sonuç</h2>
<p>Java&rsquo;da <strong>REST üzerinden Java ile Excel Şifreleme</strong> uygulaması, GroupDocs.Merger Cloud SDK for Java ile oldukça basittir. Yukarıdaki adımları izleyerek Excel çalışma kitaplarını güvence altına alabilir, sunucu‑tarafı uygulamalarda süreci otomatikleştirebilir ve hassas verileri güvende tutabilirsiniz. Üretim kullanımı için uygun bir lisans almayı unutmayın; fiyatlandırma bilgileri ürün sayfasında mevcuttur ve kütüphaneyi değerlendirmek için bir <a href="https://purchase.groupdocs.cloud/temporary-license/">geçici lisans</a> ile başlayabilirsiniz. İyi kodlamalar!</p>
<h2 id="faqs">FAQs</h2>
<ul>
<li>
<p><strong>Java&rsquo;da REST üzerinden Excel şifreleme, yerel şifrelemeden nasıl farklıdır?</strong><br>
Bulut API&rsquo;si şifrelemeyi sunucuda gerçekleştirir, bu sayede kriptografik kütüphaneleri yerel olarak yönetmeniz gerekmez. SDK, istek oluşturma ve yanıt ayrıştırmayı yönetir, entegrasyonu basitleştirir.</p>
</li>
<li>
<p><strong>Ek koruma seçenekleri, örneğin yalnızca‑okunur mod gibi, ayarlanabilir mi?</strong><br>
Mevcut <code>ProtectOptions</code> sınıfı şifre korumasına odaklanmaktadır. Daha gelişmiş güvenlik özellikleri için, yeni parametreler hakkında <a href="https://reference.groupdocs.cloud/merger/">API referansı</a> adresine bakın.</p>
</li>
<li>
<p><strong>Şifre koruması için hangi dosya formatları destekleniyor?</strong><br>
Merger API şu anda şifreleme için XLSX, <a href="https://docs.fileformat.com/word-processing/docx/">DOCX</a>, <a href="https://docs.fileformat.com/presentation/pptx/">PPTX</a>, ve <a href="https://docs.fileformat.com/pdf">PDF</a> formatlarını desteklemektedir. Tam liste için <a href="https://docs.groupdocs.cloud/merger/">resmi belgeler</a> bölümüne bakın.</p>
</li>
<li>
<p><strong>Geliştirme ortamında örneği çalıştırmak için bir lisansa ihtiyacım var mı?</strong><br>
Geliştirme ve test işlemleri geçici bir lisansla yapılabilir. Üretim dağıtımları ise ürün sayfası üzerinden satın alabileceğiniz ücretli bir lisans gerektirir.</p>
</li>
</ul>
<h2 id="daha-fazla-oku">Daha Fazla Oku</h2>
<ul>
<li><a href="https://blog.groupdocs.cloud/tr/merger/password-protect-powerpoint-files-in-nodejs/">Node.js&rsquo;te PowerPoint Dosyalarını Şifrele</a></li>
<li><a href="https://blog.groupdocs.cloud/tr/merger/password-protect-excel-files-using-rest-api-in-python/">Python&rsquo;da REST API kullanarak Excel Dosyalarını Şifrele</a></li>
<li><a href="https://blog.groupdocs.cloud/tr/merger/combine-excel-sheets-in-java-excel-files-merger/">Java&rsquo;da Excel Sayfalarını Birleştir - Excel Dosyaları Birleştirici</a></li>
</ul>
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