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| <h1 class="title">Reading JSON-LD 1.1</h1> |
| |
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| <main class="d-flex flex-xl-row flex-column"> |
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| <aside class="text-muted align-self-start mb-3 p-0 d-xl-none d-block"> |
| <h2 class="h6 sticky-top m-0 p-2 bg-body-tertiary">On this page</h2> |
| <nav id="TableOfContents"> |
| <ul> |
| <li><a href="#additional-dependencies">Additional Dependencies</a></li> |
| <li><a href="#usage">Usage</a></li> |
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| <article class="flex-column me-lg-4"> |
| <i> |
| JSON-LD 1.1 is the default version of JSON-LD supported by Apache Jena. |
| <p>This page is out of date and left temporary only for information about using |
| JSON-LD 1.1 in versions 4.2.x to 4.4.x. |
| </i></p> |
| <hr> |
| <p>This page details support for reading JSON-LD 1.1 using |
| <a href="https://github.com/filip26/titanium-json-ld/">Titanium JSON-LD</a>.</p> |
| <p>While Titanium is licensed under the Apache License, it has a dependency on |
| the Eclipse Jakarta JSON Processing API, which is licensed under the Eclipse |
| Public License 2.0.</p> |
| <h2 id="additional-dependencies">Additional Dependencies</h2> |
| <p>The Titanium engine (<code>com.apicatalog:titanium-json-ld</code>) uses the Eclipse Jakarta JSON Processing |
| licensed under the |
| <a href="https://www.eclipse.org/legal/epl-2.0/">Eclipse Public License 2.0</a> with dependencies:</p> |
| <ul> |
| <li>jakarta.json:jakarta.json-api</li> |
| <li>org.glassfish:jakarta.json</li> |
| </ul> |
| <p>Failure to add these dependencies will result in <code>UnsupportedOperationException</code></p> |
| <pre tabindex="0"><code>Need both titanium-json-ld (1.1.0 or later) and org.glassfish:jakarta on the classpath |
| </code></pre><h2 id="usage">Usage</h2> |
| <p>Jena currently (from version 4.2.0) offers both JSON-LD 1.0 and also JSON-LD 1.1.</p> |
| <p>The file extension for JSONLD 1.1 is <code>.jsonld11</code>.</p> |
| <p>If not reading from a file with this file extension, the application needs to |
| force the language choice to be JSON-LD 1.1 with |
| <a href="https://jena.apache.org/documentation/javadoc/arq/org.apache.jena.arq/org/apache/jena/riot/RDFParser.html"><code>RDFParser</code></a> |
| using <code>forceLang(Lang.JSONLD11)</code>:</p> |
| <div class="highlight"><pre tabindex="0" style="background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-java" data-lang="java"><span style="display:flex;"><span>RDFParser<span style="color:#666">.</span><span style="color:#b44">source</span><span style="color:#666">(...)</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#666">.</span><span style="color:#b44">forceLang</span><span style="color:#666">(</span>Lang<span style="color:#666">.</span><span style="color:#b44">JSONLD11</span><span style="color:#666">)</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#666">...</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#666">.</span><span style="color:#b44">build</span><span style="color:#666">()</span> |
| </span></span></code></pre></div><p>or short-cut form:</p> |
| <div class="highlight"><pre tabindex="0" style="background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-java" data-lang="java"><span style="display:flex;"><span>RDFParser<span style="color:#666">.</span><span style="color:#b44">source</span><span style="color:#666">(</span>URL or InputStream<span style="color:#666">)</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#666">.</span><span style="color:#b44">forceLang</span><span style="color:#666">(</span>Lang<span style="color:#666">.</span><span style="color:#b44">JSONLD11</span><span style="color:#666">)</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#666">.</span><span style="color:#b44">parse</span><span style="color:#666">(</span>dataset<span style="color:#666">);</span> |
| </span></span></code></pre></div> |
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