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| <h2 title="Interface Context" class="title">Interface Context</h2> |
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| <dt>All Known Subinterfaces:</dt> |
| <dd><a href="../../../../org/apache/velocity/context/InternalContextAdapter.html" title="interface in org.apache.velocity.context">InternalContextAdapter</a></dd> |
| </dl> |
| <dl> |
| <dt>All Known Implementing Classes:</dt> |
| <dd><a href="../../../../org/apache/velocity/context/AbstractContext.html" title="class in org.apache.velocity.context">AbstractContext</a>, <a href="../../../../org/apache/velocity/context/ChainedInternalContextAdapter.html" title="class in org.apache.velocity.context">ChainedInternalContextAdapter</a>, <a href="../../../../org/apache/velocity/example/DBContext.html" title="class in org.apache.velocity.example">DBContext</a>, <a href="../../../../org/apache/velocity/context/InternalContextAdapterImpl.html" title="class in org.apache.velocity.context">InternalContextAdapterImpl</a>, <a href="../../../../org/apache/velocity/example/TreeMapContext.html" title="class in org.apache.velocity.example">TreeMapContext</a>, <a href="../../../../org/apache/velocity/VelocityContext.html" title="class in org.apache.velocity">VelocityContext</a></dd> |
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| <pre>public interface <span class="typeNameLabel">Context</span></pre> |
| <div class="block">Interface describing the application data context. This set of |
| routines is used by the application to set and remove 'named' data |
| object to pass them to the template engine to use when rendering |
| a template. |
| |
| This is the same set of methods supported by the original Context |
| class</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Version:</span></dt> |
| <dd>$Id: Context.java 1780307 2017-01-26 01:57:00Z cbrisson $</dd> |
| <dt><span class="simpleTagLabel">Author:</span></dt> |
| <dd><a href="mailto:jvanzyl@apache.org">Jason van Zyl</a>, <a href="mailto:geirm@optonline.net">Geir Magnusson Jr.</a></dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../org/apache/velocity/context/AbstractContext.html" title="class in org.apache.velocity.context"><code>AbstractContext</code></a>, |
| <a href="../../../../org/apache/velocity/VelocityContext.html" title="class in org.apache.velocity"><code>VelocityContext</code></a></dd> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/velocity/context/Context.html#containsKey-java.lang.String-">containsKey</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> key)</code> |
| <div class="block">Indicates whether the specified key is in the context.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/velocity/context/Context.html#get-java.lang.String-">get</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> key)</code> |
| <div class="block">Gets the value corresponding to the provided key from the context.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/velocity/context/Context.html#getKeys--">getKeys</a></span>()</code> |
| <div class="block">Get all the keys for the values in the context.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/velocity/context/Context.html#put-java.lang.String-java.lang.Object-">put</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> key, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> value)</code> |
| <div class="block">Adds a name/value pair to the context.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/velocity/context/Context.html#remove-java.lang.String-">remove</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> key)</code> |
| <div class="block">Removes the value associated with the specified key from the context.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </li> |
| </ul> |
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| <div class="details"> |
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| <!-- ============ METHOD DETAIL ========== --> |
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| <h3>Method Detail</h3> |
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| <h4>put</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> put(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> key, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> value)</pre> |
| <div class="block">Adds a name/value pair to the context.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>key</code> - The name to key the provided value with.</dd> |
| <dd><code>value</code> - The corresponding value.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The old object or null if there was no old object.</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>get</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> get(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> key)</pre> |
| <div class="block">Gets the value corresponding to the provided key from the context.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>key</code> - The name of the desired value.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The value corresponding to the provided key.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="containsKey-java.lang.String-"> |
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| </a> |
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| <h4>containsKey</h4> |
| <pre>boolean containsKey(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> key)</pre> |
| <div class="block">Indicates whether the specified key is in the context.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>key</code> - The key to look for.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Whether the key is in the context.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getKeys--"> |
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| </a> |
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| <h4>getKeys</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[] getKeys()</pre> |
| <div class="block">Get all the keys for the values in the context.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>All the keys for the values in the context.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="remove-java.lang.String-"> |
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| </a> |
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| <h4>remove</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> remove(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> key)</pre> |
| <div class="block">Removes the value associated with the specified key from the context.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>key</code> - The name of the value to remove.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The value that the key was mapped to, or <code>null</code> |
| if unmapped.</dd> |
| </dl> |
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