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| <h2 title="Class TypeConversionHandlerImpl" class="title">Class TypeConversionHandlerImpl</h2> |
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| <ul class="inheritance"> |
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| <ul class="inheritance"> |
| <li>org.apache.velocity.util.introspection.TypeConversionHandlerImpl</li> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><a href="../../../../../org/apache/velocity/util/introspection/TypeConversionHandler.html" title="interface in org.apache.velocity.util.introspection">TypeConversionHandler</a></dd> |
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| <pre>public class <span class="typeNameLabel">TypeConversionHandlerImpl</span> |
| extends <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> |
| implements <a href="../../../../../org/apache/velocity/util/introspection/TypeConversionHandler.html" title="interface in org.apache.velocity.util.introspection">TypeConversionHandler</a></pre> |
| <div class="block">A conversion handler adds admissible conversions between Java types whenever Velocity introspection has to map |
| VTL methods and property accessors to Java methods. This implementation is the default Conversion Handler |
| for Velocity.</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>2.0</dd> |
| <dt><span class="simpleTagLabel">Version:</span></dt> |
| <dd>$Id: TypeConversionHandlerImpl.java $</dd> |
| <dt><span class="simpleTagLabel">Author:</span></dt> |
| <dd><a href="mailto:claude.brisson@gmail.com">Claude Brisson</a></dd> |
| </dl> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/velocity/util/introspection/TypeConversionHandlerImpl.html#TypeConversionHandlerImpl--">TypeConversionHandlerImpl</a></span>()</code> |
| <div class="block">Constructor</div> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/velocity/util/introspection/TypeConversionHandlerImpl.html#addConverter-java.lang.reflect.Type-java.lang.Class-org.apache.velocity.util.introspection.Converter-">addConverter</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect">Type</a> formal, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> actual, |
| <a href="../../../../../org/apache/velocity/util/introspection/Converter.html" title="interface in org.apache.velocity.util.introspection">Converter</a><?> converter)</code> |
| <div class="block">Add the given converter to the handler.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/velocity/util/introspection/Converter.html" title="interface in org.apache.velocity.util.introspection">Converter</a><?></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/velocity/util/introspection/TypeConversionHandlerImpl.html#getNeededConverter-java.lang.reflect.Type-java.lang.Class-">getNeededConverter</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect">Type</a> formal, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> actual)</code> |
| <div class="block">Returns the appropriate Converter object needed for an explicit conversion |
| Returns null if no conversion is needed.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/velocity/util/introspection/TypeConversionHandlerImpl.html#isExplicitlyConvertible-java.lang.reflect.Type-java.lang.Class-boolean-">isExplicitlyConvertible</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect">Type</a> formal, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> actual, |
| boolean possibleVarArg)</code> |
| <div class="block">Check to see if the conversion can be done using an explicit conversion</div> |
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| <h4>TypeConversionHandlerImpl</h4> |
| <pre>public TypeConversionHandlerImpl()</pre> |
| <div class="block">Constructor</div> |
| </li> |
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| <h4>isExplicitlyConvertible</h4> |
| <pre>public boolean isExplicitlyConvertible(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect">Type</a> formal, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> actual, |
| boolean possibleVarArg)</pre> |
| <div class="block">Check to see if the conversion can be done using an explicit conversion</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/velocity/util/introspection/TypeConversionHandler.html#isExplicitlyConvertible-java.lang.reflect.Type-java.lang.Class-boolean-">isExplicitlyConvertible</a></code> in interface <code><a href="../../../../../org/apache/velocity/util/introspection/TypeConversionHandler.html" title="interface in org.apache.velocity.util.introspection">TypeConversionHandler</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>actual</code> - found argument type</dd> |
| <dd><code>formal</code> - expected formal type</dd> |
| <dd><code>possibleVarArg</code> - whether var arg is possible</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if actual class can be explicitely converted to expected formal type</dd> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>2.1</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getNeededConverter-java.lang.reflect.Type-java.lang.Class-"> |
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| <h4>getNeededConverter</h4> |
| <pre>public <a href="../../../../../org/apache/velocity/util/introspection/Converter.html" title="interface in org.apache.velocity.util.introspection">Converter</a><?> getNeededConverter(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect">Type</a> formal, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> actual)</pre> |
| <div class="block">Returns the appropriate Converter object needed for an explicit conversion |
| Returns null if no conversion is needed.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/velocity/util/introspection/TypeConversionHandler.html#getNeededConverter-java.lang.reflect.Type-java.lang.Class-">getNeededConverter</a></code> in interface <code><a href="../../../../../org/apache/velocity/util/introspection/TypeConversionHandler.html" title="interface in org.apache.velocity.util.introspection">TypeConversionHandler</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>actual</code> - found argument type</dd> |
| <dd><code>formal</code> - expected formal type</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>null if no conversion is needed, or the appropriate Converter object</dd> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>2.1</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="addConverter-java.lang.reflect.Type-java.lang.Class-org.apache.velocity.util.introspection.Converter-"> |
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| <h4>addConverter</h4> |
| <pre>public void addConverter(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect">Type</a> formal, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> actual, |
| <a href="../../../../../org/apache/velocity/util/introspection/Converter.html" title="interface in org.apache.velocity.util.introspection">Converter</a><?> converter)</pre> |
| <div class="block">Add the given converter to the handler.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/velocity/util/introspection/TypeConversionHandler.html#addConverter-java.lang.reflect.Type-java.lang.Class-org.apache.velocity.util.introspection.Converter-">addConverter</a></code> in interface <code><a href="../../../../../org/apache/velocity/util/introspection/TypeConversionHandler.html" title="interface in org.apache.velocity.util.introspection">TypeConversionHandler</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>formal</code> - expected formal type</dd> |
| <dd><code>actual</code> - provided argument type</dd> |
| <dd><code>converter</code> - converter</dd> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>2.1</dd> |
| </dl> |
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