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| <li>Summary: </li> |
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| <div class="subTitle">javax.servlet</div> |
| <h2 title="Interface RequestDispatcher" class="title">Interface RequestDispatcher</h2> |
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| <pre>public interface <span class="typeNameLabel">RequestDispatcher</span></pre> |
| <div class="block">Defines an object that receives requests from the client |
| and sends them to any resource (such as a servlet, |
| HTML file, or JSP file) on the server. The servlet |
| container creates the <code>RequestDispatcher</code> object, |
| which is used as a wrapper around a server resource located |
| at a particular path or given by a particular name. |
| |
| <p>This interface is intended to wrap servlets, |
| but a servlet container can create <code>RequestDispatcher</code> |
| objects to wrap any type of resource.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../javax/servlet/ServletContext.html#getRequestDispatcher-java.lang.String-"><code>ServletContext.getRequestDispatcher(java.lang.String)</code></a>, |
| <a href="../../javax/servlet/ServletContext.html#getNamedDispatcher-java.lang.String-"><code>ServletContext.getNamedDispatcher(java.lang.String)</code></a>, |
| <a href="../../javax/servlet/ServletRequest.html#getRequestDispatcher-java.lang.String-"><code>ServletRequest.getRequestDispatcher(java.lang.String)</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
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| <!-- =========== FIELD SUMMARY =========== --> |
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| </a> |
| <h3>Field Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation"> |
| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/RequestDispatcher.html#ERROR_EXCEPTION">ERROR_EXCEPTION</a></span></code> |
| <div class="block">The name of the request attribute under which the exception object |
| is propagated during an error dispatch</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/RequestDispatcher.html#ERROR_EXCEPTION_TYPE">ERROR_EXCEPTION_TYPE</a></span></code> |
| <div class="block">The name of the request attribute under which the type of the |
| exception object is propagated during an error dispatch</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/RequestDispatcher.html#ERROR_MESSAGE">ERROR_MESSAGE</a></span></code> |
| <div class="block">The name of the request attribute under which the exception message |
| is propagated during an error dispatch</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/RequestDispatcher.html#ERROR_REQUEST_URI">ERROR_REQUEST_URI</a></span></code> |
| <div class="block">The name of the request attribute under which the request URI |
| whose processing caused the error is propagated during an error |
| dispatch</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/RequestDispatcher.html#ERROR_SERVLET_NAME">ERROR_SERVLET_NAME</a></span></code> |
| <div class="block">The name of the request attribute under which the name of the servlet |
| in which the error occurred is propagated during an error dispatch</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/RequestDispatcher.html#ERROR_STATUS_CODE">ERROR_STATUS_CODE</a></span></code> |
| <div class="block">The name of the request attribute under which the response status |
| is propagated during an error dispatch</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/RequestDispatcher.html#FORWARD_CONTEXT_PATH">FORWARD_CONTEXT_PATH</a></span></code> |
| <div class="block">The name of the request attribute under which the original |
| context path is made available to the target of a |
| <a href="../../javax/servlet/RequestDispatcher.html#forward-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>forward</code></a></div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/RequestDispatcher.html#FORWARD_MAPPING">FORWARD_MAPPING</a></span></code> |
| <div class="block">The name of the request attribute under which the original |
| <a href="../../javax/servlet/http/HttpServletMapping.html" title="interface in javax.servlet.http"><code>HttpServletMapping</code></a> is made available |
| to the target of a |
| <a href="../../javax/servlet/RequestDispatcher.html#forward-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>forward</code></a></div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/RequestDispatcher.html#FORWARD_PATH_INFO">FORWARD_PATH_INFO</a></span></code> |
| <div class="block">The name of the request attribute under which the original |
| path info is made available to the target of a |
| <a href="../../javax/servlet/RequestDispatcher.html#forward-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>forward</code></a></div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/RequestDispatcher.html#FORWARD_QUERY_STRING">FORWARD_QUERY_STRING</a></span></code> |
| <div class="block">The name of the request attribute under which the original |
| query string is made available to the target of a |
| <a href="../../javax/servlet/RequestDispatcher.html#forward-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>forward</code></a></div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/RequestDispatcher.html#FORWARD_REQUEST_URI">FORWARD_REQUEST_URI</a></span></code> |
| <div class="block">The name of the request attribute under which the original |
| request URI is made available to the target of a |
| <a href="../../javax/servlet/RequestDispatcher.html#forward-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>forward</code></a></div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/RequestDispatcher.html#FORWARD_SERVLET_PATH">FORWARD_SERVLET_PATH</a></span></code> |
| <div class="block">The name of the request attribute under which the original |
| servlet path is made available to the target of a |
| <a href="../../javax/servlet/RequestDispatcher.html#forward-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>forward</code></a></div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/RequestDispatcher.html#INCLUDE_CONTEXT_PATH">INCLUDE_CONTEXT_PATH</a></span></code> |
| <div class="block">The name of the request attribute under which the context path |
| of the target of an <a href="../../javax/servlet/RequestDispatcher.html#include-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>include</code></a> is stored</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/RequestDispatcher.html#INCLUDE_MAPPING">INCLUDE_MAPPING</a></span></code> |
| <div class="block">The name of the request attribute under which the |
| <a href="../../javax/servlet/http/HttpServletMapping.html" title="interface in javax.servlet.http"><code>HttpServletMapping</code></a> |
| of the target of an <a href="../../javax/servlet/RequestDispatcher.html#include-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>include</code></a> is stored</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/RequestDispatcher.html#INCLUDE_PATH_INFO">INCLUDE_PATH_INFO</a></span></code> |
| <div class="block">The name of the request attribute under which the path info |
| of the target of an <a href="../../javax/servlet/RequestDispatcher.html#include-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>include</code></a> is stored</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/RequestDispatcher.html#INCLUDE_QUERY_STRING">INCLUDE_QUERY_STRING</a></span></code> |
| <div class="block">The name of the request attribute under which the query string |
| of the target of an <a href="../../javax/servlet/RequestDispatcher.html#include-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>include</code></a> is stored</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/RequestDispatcher.html#INCLUDE_REQUEST_URI">INCLUDE_REQUEST_URI</a></span></code> |
| <div class="block">The name of the request attribute under which the request URI |
| of the target of an <a href="../../javax/servlet/RequestDispatcher.html#include-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>include</code></a> is stored</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/RequestDispatcher.html#INCLUDE_SERVLET_PATH">INCLUDE_SERVLET_PATH</a></span></code> |
| <div class="block">The name of the request attribute under which the servlet path |
| of the target of an <a href="../../javax/servlet/RequestDispatcher.html#include-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>include</code></a> is stored</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.summary"> |
| <!-- --> |
| </a> |
| <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>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/RequestDispatcher.html#forward-javax.servlet.ServletRequest-javax.servlet.ServletResponse-">forward</a></span>(<a href="../../javax/servlet/ServletRequest.html" title="interface in javax.servlet">ServletRequest</a> request, |
| <a href="../../javax/servlet/ServletResponse.html" title="interface in javax.servlet">ServletResponse</a> response)</code> |
| <div class="block">Forwards a request from |
| a servlet to another resource (servlet, JSP file, or |
| HTML file) on the server.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/servlet/RequestDispatcher.html#include-javax.servlet.ServletRequest-javax.servlet.ServletResponse-">include</a></span>(<a href="../../javax/servlet/ServletRequest.html" title="interface in javax.servlet">ServletRequest</a> request, |
| <a href="../../javax/servlet/ServletResponse.html" title="interface in javax.servlet">ServletResponse</a> response)</code> |
| <div class="block">Includes the content of a resource (servlet, JSP page, |
| HTML file) in the response.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="field.detail"> |
| <!-- --> |
| </a> |
| <h3>Field Detail</h3> |
| <a name="FORWARD_REQUEST_URI"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>FORWARD_REQUEST_URI</h4> |
| <pre>static final java.lang.String FORWARD_REQUEST_URI</pre> |
| <div class="block">The name of the request attribute under which the original |
| request URI is made available to the target of a |
| <a href="../../javax/servlet/RequestDispatcher.html#forward-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>forward</code></a></div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../constant-values.html#javax.servlet.RequestDispatcher.FORWARD_REQUEST_URI">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="FORWARD_CONTEXT_PATH"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>FORWARD_CONTEXT_PATH</h4> |
| <pre>static final java.lang.String FORWARD_CONTEXT_PATH</pre> |
| <div class="block">The name of the request attribute under which the original |
| context path is made available to the target of a |
| <a href="../../javax/servlet/RequestDispatcher.html#forward-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>forward</code></a></div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../constant-values.html#javax.servlet.RequestDispatcher.FORWARD_CONTEXT_PATH">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="FORWARD_MAPPING"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>FORWARD_MAPPING</h4> |
| <pre>static final java.lang.String FORWARD_MAPPING</pre> |
| <div class="block">The name of the request attribute under which the original |
| <a href="../../javax/servlet/http/HttpServletMapping.html" title="interface in javax.servlet.http"><code>HttpServletMapping</code></a> is made available |
| to the target of a |
| <a href="../../javax/servlet/RequestDispatcher.html#forward-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>forward</code></a></div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>4.0</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../constant-values.html#javax.servlet.RequestDispatcher.FORWARD_MAPPING">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="FORWARD_PATH_INFO"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>FORWARD_PATH_INFO</h4> |
| <pre>static final java.lang.String FORWARD_PATH_INFO</pre> |
| <div class="block">The name of the request attribute under which the original |
| path info is made available to the target of a |
| <a href="../../javax/servlet/RequestDispatcher.html#forward-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>forward</code></a></div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../constant-values.html#javax.servlet.RequestDispatcher.FORWARD_PATH_INFO">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="FORWARD_SERVLET_PATH"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>FORWARD_SERVLET_PATH</h4> |
| <pre>static final java.lang.String FORWARD_SERVLET_PATH</pre> |
| <div class="block">The name of the request attribute under which the original |
| servlet path is made available to the target of a |
| <a href="../../javax/servlet/RequestDispatcher.html#forward-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>forward</code></a></div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../constant-values.html#javax.servlet.RequestDispatcher.FORWARD_SERVLET_PATH">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="FORWARD_QUERY_STRING"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>FORWARD_QUERY_STRING</h4> |
| <pre>static final java.lang.String FORWARD_QUERY_STRING</pre> |
| <div class="block">The name of the request attribute under which the original |
| query string is made available to the target of a |
| <a href="../../javax/servlet/RequestDispatcher.html#forward-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>forward</code></a></div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../constant-values.html#javax.servlet.RequestDispatcher.FORWARD_QUERY_STRING">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="INCLUDE_REQUEST_URI"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>INCLUDE_REQUEST_URI</h4> |
| <pre>static final java.lang.String INCLUDE_REQUEST_URI</pre> |
| <div class="block">The name of the request attribute under which the request URI |
| of the target of an <a href="../../javax/servlet/RequestDispatcher.html#include-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>include</code></a> is stored</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../constant-values.html#javax.servlet.RequestDispatcher.INCLUDE_REQUEST_URI">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="INCLUDE_CONTEXT_PATH"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>INCLUDE_CONTEXT_PATH</h4> |
| <pre>static final java.lang.String INCLUDE_CONTEXT_PATH</pre> |
| <div class="block">The name of the request attribute under which the context path |
| of the target of an <a href="../../javax/servlet/RequestDispatcher.html#include-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>include</code></a> is stored</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../constant-values.html#javax.servlet.RequestDispatcher.INCLUDE_CONTEXT_PATH">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="INCLUDE_PATH_INFO"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>INCLUDE_PATH_INFO</h4> |
| <pre>static final java.lang.String INCLUDE_PATH_INFO</pre> |
| <div class="block">The name of the request attribute under which the path info |
| of the target of an <a href="../../javax/servlet/RequestDispatcher.html#include-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>include</code></a> is stored</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../constant-values.html#javax.servlet.RequestDispatcher.INCLUDE_PATH_INFO">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="INCLUDE_MAPPING"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>INCLUDE_MAPPING</h4> |
| <pre>static final java.lang.String INCLUDE_MAPPING</pre> |
| <div class="block">The name of the request attribute under which the |
| <a href="../../javax/servlet/http/HttpServletMapping.html" title="interface in javax.servlet.http"><code>HttpServletMapping</code></a> |
| of the target of an <a href="../../javax/servlet/RequestDispatcher.html#include-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>include</code></a> is stored</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../constant-values.html#javax.servlet.RequestDispatcher.INCLUDE_MAPPING">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="INCLUDE_SERVLET_PATH"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>INCLUDE_SERVLET_PATH</h4> |
| <pre>static final java.lang.String INCLUDE_SERVLET_PATH</pre> |
| <div class="block">The name of the request attribute under which the servlet path |
| of the target of an <a href="../../javax/servlet/RequestDispatcher.html#include-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>include</code></a> is stored</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../constant-values.html#javax.servlet.RequestDispatcher.INCLUDE_SERVLET_PATH">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="INCLUDE_QUERY_STRING"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>INCLUDE_QUERY_STRING</h4> |
| <pre>static final java.lang.String INCLUDE_QUERY_STRING</pre> |
| <div class="block">The name of the request attribute under which the query string |
| of the target of an <a href="../../javax/servlet/RequestDispatcher.html#include-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>include</code></a> is stored</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../constant-values.html#javax.servlet.RequestDispatcher.INCLUDE_QUERY_STRING">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="ERROR_EXCEPTION"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>ERROR_EXCEPTION</h4> |
| <pre>static final java.lang.String ERROR_EXCEPTION</pre> |
| <div class="block">The name of the request attribute under which the exception object |
| is propagated during an error dispatch</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../constant-values.html#javax.servlet.RequestDispatcher.ERROR_EXCEPTION">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="ERROR_EXCEPTION_TYPE"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>ERROR_EXCEPTION_TYPE</h4> |
| <pre>static final java.lang.String ERROR_EXCEPTION_TYPE</pre> |
| <div class="block">The name of the request attribute under which the type of the |
| exception object is propagated during an error dispatch</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../constant-values.html#javax.servlet.RequestDispatcher.ERROR_EXCEPTION_TYPE">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="ERROR_MESSAGE"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>ERROR_MESSAGE</h4> |
| <pre>static final java.lang.String ERROR_MESSAGE</pre> |
| <div class="block">The name of the request attribute under which the exception message |
| is propagated during an error dispatch</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../constant-values.html#javax.servlet.RequestDispatcher.ERROR_MESSAGE">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="ERROR_REQUEST_URI"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>ERROR_REQUEST_URI</h4> |
| <pre>static final java.lang.String ERROR_REQUEST_URI</pre> |
| <div class="block">The name of the request attribute under which the request URI |
| whose processing caused the error is propagated during an error |
| dispatch</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../constant-values.html#javax.servlet.RequestDispatcher.ERROR_REQUEST_URI">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="ERROR_SERVLET_NAME"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>ERROR_SERVLET_NAME</h4> |
| <pre>static final java.lang.String ERROR_SERVLET_NAME</pre> |
| <div class="block">The name of the request attribute under which the name of the servlet |
| in which the error occurred is propagated during an error dispatch</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../constant-values.html#javax.servlet.RequestDispatcher.ERROR_SERVLET_NAME">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="ERROR_STATUS_CODE"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>ERROR_STATUS_CODE</h4> |
| <pre>static final java.lang.String ERROR_STATUS_CODE</pre> |
| <div class="block">The name of the request attribute under which the response status |
| is propagated during an error dispatch</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../constant-values.html#javax.servlet.RequestDispatcher.ERROR_STATUS_CODE">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| <!-- ============ METHOD DETAIL ========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.detail"> |
| <!-- --> |
| </a> |
| <h3>Method Detail</h3> |
| <a name="forward-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>forward</h4> |
| <pre>void forward(<a href="../../javax/servlet/ServletRequest.html" title="interface in javax.servlet">ServletRequest</a> request, |
| <a href="../../javax/servlet/ServletResponse.html" title="interface in javax.servlet">ServletResponse</a> response) |
| throws <a href="../../javax/servlet/ServletException.html" title="class in javax.servlet">ServletException</a>, |
| java.io.IOException</pre> |
| <div class="block">Forwards a request from |
| a servlet to another resource (servlet, JSP file, or |
| HTML file) on the server. This method allows |
| one servlet to do preliminary processing of |
| a request and another resource to generate |
| the response. |
| |
| <p>For a <code>RequestDispatcher</code> obtained via |
| <code>getRequestDispatcher()</code>, the <code>ServletRequest</code> |
| object has its path elements and parameters adjusted to match |
| the path of the target resource. |
| |
| <p><code>forward</code> should be called before the response has been |
| committed to the client (before response body output has been flushed). |
| If the response already has been committed, this method throws |
| an <code>IllegalStateException</code>. |
| Uncommitted output in the response buffer is automatically cleared |
| before the forward. |
| |
| <p>The request and response parameters must be either the same |
| objects as were passed to the calling servlet's service method or be |
| subclasses of the <a href="../../javax/servlet/ServletRequestWrapper.html" title="class in javax.servlet"><code>ServletRequestWrapper</code></a> or |
| <a href="../../javax/servlet/ServletResponseWrapper.html" title="class in javax.servlet"><code>ServletResponseWrapper</code></a> classes |
| that wrap them. |
| |
| <p>This method sets the dispatcher type of the given request to |
| <code>DispatcherType.FORWARD</code>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>request</code> - a <a href="../../javax/servlet/ServletRequest.html" title="interface in javax.servlet"><code>ServletRequest</code></a> object that represents the |
| request the client makes of the servlet</dd> |
| <dd><code>response</code> - a <a href="../../javax/servlet/ServletResponse.html" title="interface in javax.servlet"><code>ServletResponse</code></a> object that represents |
| the response the servlet returns to the client</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../javax/servlet/ServletException.html" title="class in javax.servlet">ServletException</a></code> - if the target resource throws this exception</dd> |
| <dd><code>java.io.IOException</code> - if the target resource throws this exception</dd> |
| <dd><code>java.lang.IllegalStateException</code> - if the response was already committed</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../javax/servlet/ServletRequest.html#getDispatcherType--"><code>ServletRequest.getDispatcherType()</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="include-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>include</h4> |
| <pre>void include(<a href="../../javax/servlet/ServletRequest.html" title="interface in javax.servlet">ServletRequest</a> request, |
| <a href="../../javax/servlet/ServletResponse.html" title="interface in javax.servlet">ServletResponse</a> response) |
| throws <a href="../../javax/servlet/ServletException.html" title="class in javax.servlet">ServletException</a>, |
| java.io.IOException</pre> |
| <div class="block">Includes the content of a resource (servlet, JSP page, |
| HTML file) in the response. In essence, this method enables |
| programmatic server-side includes. |
| |
| <p>The <a href="../../javax/servlet/ServletResponse.html" title="interface in javax.servlet"><code>ServletResponse</code></a> object has its path elements |
| and parameters remain unchanged from the caller's. The included |
| servlet cannot change the response status code or set headers; |
| any attempt to make a change is ignored. |
| |
| <p>The request and response parameters must be either the same |
| objects as were passed to the calling servlet's service method or be |
| subclasses of the <a href="../../javax/servlet/ServletRequestWrapper.html" title="class in javax.servlet"><code>ServletRequestWrapper</code></a> or |
| <a href="../../javax/servlet/ServletResponseWrapper.html" title="class in javax.servlet"><code>ServletResponseWrapper</code></a> classes that wrap them. |
| |
| <p>This method sets the dispatcher type of the given request to |
| <code>DispatcherType.INCLUDE</code>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>request</code> - a <a href="../../javax/servlet/ServletRequest.html" title="interface in javax.servlet"><code>ServletRequest</code></a> object that contains the |
| client's request</dd> |
| <dd><code>response</code> - a <a href="../../javax/servlet/ServletResponse.html" title="interface in javax.servlet"><code>ServletResponse</code></a> object that contains the |
| servlet's response</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../javax/servlet/ServletException.html" title="class in javax.servlet">ServletException</a></code> - if the included resource throws this |
| exception</dd> |
| <dd><code>java.io.IOException</code> - if the included resource throws this exception</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../javax/servlet/ServletRequest.html#getDispatcherType--"><code>ServletRequest.getDispatcherType()</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
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