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| <H2> |
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| org.apache.struts.actions</FONT> |
| <BR> |
| Class LookupDispatchAction</H2> |
| <PRE> |
| java.lang.Object |
| | |
| +--<A HREF="../../../../org/apache/struts/action/Action.html">org.apache.struts.action.Action</A> |
| | |
| +--<A HREF="../../../../org/apache/struts/actions/DispatchAction.html">org.apache.struts.actions.DispatchAction</A> |
| | |
| +--<B>org.apache.struts.actions.LookupDispatchAction</B> |
| </PRE> |
| <HR> |
| <DL> |
| <DT>public abstract class <B>LookupDispatchAction</B><DT>extends <A HREF="../../../../org/apache/struts/actions/DispatchAction.html">DispatchAction</A></DL> |
| |
| <P> |
| <p> |
| |
| An abstract <strong>Action</strong> that dispatches to the subclass mapped |
| <code>execute</code> method. This is useful in |
| cases where an HTML form has multiple submit buttons with the same name. The |
| button name is specified by the <code>parameter</code> property of the |
| corresponding ActionMapping. To configure the use of this action in your |
| <code>struts-config.xml</code> file, create an entry like this:</p> <pre> |
| <action path="/test" |
| type="org.example.MyAction" |
| name="MyForm" |
| scope="request" |
| input="/test.jsp" |
| parameter="action"/> |
| </pre> <p> |
| |
| which will use the value of the request parameter named "action" to locate |
| the corresponding key in ApplicationResources. For example, you might have |
| the following ApplicationResources.properties:</p> <pre> |
| button.add=Add Record |
| button.delete=Delete Record |
| </pre><p> |
| |
| And your JSP would have the following format for submit buttons:</p> <pre> |
| <html:form action="/test"> |
| <html:submit property="action"> |
| <bean:message key="button.add"/> |
| </html:submit> |
| <html:submit property="action"> |
| <bean:message key="button.delete"/> |
| </html:submit> |
| </html:form> |
| </pre> <p> |
| |
| Your subclass must implement both getKeyMethodMap and the |
| methods defined in the map. An example of such implementations are:</p> |
| <pre> |
| protected Map getKeyMethodMap() { |
| Map map = new HashMap(); |
| map.put("button.add", "add"); |
| map.put("button.delete", "delete"); |
| return map; |
| } |
| |
| public ActionForward add(ActionMapping mapping, |
| ActionForm form, |
| HttpServletRequest request, |
| HttpServletResponse response) |
| throws IOException, ServletException { |
| // do add |
| return mapping.findForward("success"); |
| } |
| |
| public ActionForward delete(ActionMapping mapping, |
| ActionForm form, |
| HttpServletRequest request, |
| HttpServletResponse response) |
| throws IOException, ServletException { |
| // do delete |
| return mapping.findForward("success"); |
| } |
| <p> |
| |
| <strong>Notes</strong> - If duplicate values exist for the keys returned by |
| getKeys, only the first one found will be returned. If no corresponding key |
| is found then an exception will be thrown. |
| <P> |
| |
| <P> |
| <DL> |
| <DT><B>Author:</B></DT> |
| <DD>Erik Hatcher, Scott Carlson, David Graham</DD> |
| </DL> |
| <HR> |
| |
| <P> |
| <!-- ======== NESTED CLASS SUMMARY ======== --> |
| |
| |
| <!-- =========== FIELD SUMMARY =========== --> |
| |
| <A NAME="field_summary"><!-- --></A> |
| <TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TD COLSPAN=2><FONT SIZE="+2"> |
| <B>Field Summary</B></FONT></TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>protected java.util.Map</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/struts/actions/LookupDispatchAction.html#keyMethodMap">keyMethodMap</A></B></CODE> |
| |
| <BR> |
| Resource key to method name lookup.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>protected java.util.Map</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/struts/actions/LookupDispatchAction.html#localeMap">localeMap</A></B></CODE> |
| |
| <BR> |
| Reverse lookup map from resource value to resource key.</TD> |
| </TR> |
| </TABLE> |
| <A NAME="fields_inherited_from_class_org.apache.struts.actions.DispatchAction"><!-- --></A> |
| <TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"> |
| <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
| <TD><B>Fields inherited from class org.apache.struts.actions.<A HREF="../../../../org/apache/struts/actions/DispatchAction.html">DispatchAction</A></B></TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><A HREF="../../../../org/apache/struts/actions/DispatchAction.html#clazz">clazz</A>, <A HREF="../../../../org/apache/struts/actions/DispatchAction.html#log">log</A>, <A HREF="../../../../org/apache/struts/actions/DispatchAction.html#messages">messages</A>, <A HREF="../../../../org/apache/struts/actions/DispatchAction.html#methods">methods</A>, <A HREF="../../../../org/apache/struts/actions/DispatchAction.html#types">types</A></CODE></TD> |
| </TR> |
| </TABLE> |
| <A NAME="fields_inherited_from_class_org.apache.struts.action.Action"><!-- --></A> |
| <TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"> |
| <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
| <TD><B>Fields inherited from class org.apache.struts.action.<A HREF="../../../../org/apache/struts/action/Action.html">Action</A></B></TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><A HREF="../../../../org/apache/struts/action/Action.html#ACTION_SERVLET_KEY">ACTION_SERVLET_KEY</A>, <A HREF="../../../../org/apache/struts/action/Action.html#APPLICATION_KEY">APPLICATION_KEY</A>, <A HREF="../../../../org/apache/struts/action/Action.html#DATA_SOURCE_KEY">DATA_SOURCE_KEY</A>, <A HREF="../../../../org/apache/struts/action/Action.html#defaultLocale">defaultLocale</A>, <A HREF="../../../../org/apache/struts/action/Action.html#ERROR_KEY">ERROR_KEY</A>, <A HREF="../../../../org/apache/struts/action/Action.html#EXCEPTION_KEY">EXCEPTION_KEY</A>, <A HREF="../../../../org/apache/struts/action/Action.html#FORM_BEANS_KEY">FORM_BEANS_KEY</A>, <A HREF="../../../../org/apache/struts/action/Action.html#FORWARDS_KEY">FORWARDS_KEY</A>, <A HREF="../../../../org/apache/struts/action/Action.html#LOCALE_KEY">LOCALE_KEY</A>, <A HREF="../../../../org/apache/struts/action/Action.html#MAPPING_KEY">MAPPING_KEY</A>, <A HREF="../../../../org/apache/struts/action/Action.html#MAPPINGS_KEY">MAPPINGS_KEY</A>, <A HREF="../../../../org/apache/struts/action/Action.html#MESSAGE_KEY">MESSAGE_KEY</A>, <A HREF="../../../../org/apache/struts/action/Action.html#MESSAGES_KEY">MESSAGES_KEY</A>, <A HREF="../../../../org/apache/struts/action/Action.html#MULTIPART_KEY">MULTIPART_KEY</A>, <A HREF="../../../../org/apache/struts/action/Action.html#PLUG_INS_KEY">PLUG_INS_KEY</A>, <A HREF="../../../../org/apache/struts/action/Action.html#REQUEST_PROCESSOR_KEY">REQUEST_PROCESSOR_KEY</A>, <A HREF="../../../../org/apache/struts/action/Action.html#servlet">servlet</A>, <A HREF="../../../../org/apache/struts/action/Action.html#SERVLET_KEY">SERVLET_KEY</A>, <A HREF="../../../../org/apache/struts/action/Action.html#TRANSACTION_TOKEN_KEY">TRANSACTION_TOKEN_KEY</A></CODE></TD> |
| </TR> |
| </TABLE> |
| |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| |
| <A NAME="constructor_summary"><!-- --></A> |
| <TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TD COLSPAN=2><FONT SIZE="+2"> |
| <B>Constructor Summary</B></FONT></TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><B><A HREF="../../../../org/apache/struts/actions/LookupDispatchAction.html#LookupDispatchAction()">LookupDispatchAction</A></B>()</CODE> |
| |
| <BR> |
| </TD> |
| </TR> |
| </TABLE> |
| |
| <!-- ========== METHOD SUMMARY =========== --> |
| |
| <A NAME="method_summary"><!-- --></A> |
| <TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TD COLSPAN=2><FONT SIZE="+2"> |
| <B>Method Summary</B></FONT></TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> <A HREF="../../../../org/apache/struts/action/ActionForward.html">ActionForward</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/struts/actions/LookupDispatchAction.html#execute(org.apache.struts.action.ActionMapping, org.apache.struts.action.ActionForm, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)">execute</A></B>(<A HREF="../../../../org/apache/struts/action/ActionMapping.html">ActionMapping</A> mapping, |
| <A HREF="../../../../org/apache/struts/action/ActionForm.html">ActionForm</A> form, |
| javax.servlet.http.HttpServletRequest request, |
| javax.servlet.http.HttpServletResponse response)</CODE> |
| |
| <BR> |
| Process the specified HTTP request, and create the corresponding HTTP |
| response (or forward to another web component that will create it).</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>protected abstract java.util.Map</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/struts/actions/LookupDispatchAction.html#getKeyMethodMap()">getKeyMethodMap</A></B>()</CODE> |
| |
| <BR> |
| Provides the mapping from resource key to method name.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>private java.util.Map</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/struts/actions/LookupDispatchAction.html#initLookupMap(javax.servlet.http.HttpServletRequest, java.util.Locale)">initLookupMap</A></B>(javax.servlet.http.HttpServletRequest request, |
| java.util.Locale userLocale)</CODE> |
| |
| <BR> |
| This is the first time this Locale is used so build the reverse lookup Map.</TD> |
| </TR> |
| </TABLE> |
| <A NAME="methods_inherited_from_class_org.apache.struts.actions.DispatchAction"><!-- --></A> |
| <TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"> |
| <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
| <TD><B>Methods inherited from class org.apache.struts.actions.<A HREF="../../../../org/apache/struts/actions/DispatchAction.html">DispatchAction</A></B></TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><A HREF="../../../../org/apache/struts/actions/DispatchAction.html#dispatchMethod(org.apache.struts.action.ActionMapping, org.apache.struts.action.ActionForm, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, java.lang.String)">dispatchMethod</A>, <A HREF="../../../../org/apache/struts/actions/DispatchAction.html#getMethod(java.lang.String)">getMethod</A>, <A HREF="../../../../org/apache/struts/actions/DispatchAction.html#unspecified(org.apache.struts.action.ActionMapping, org.apache.struts.action.ActionForm, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)">unspecified</A></CODE></TD> |
| </TR> |
| </TABLE> |
| <A NAME="methods_inherited_from_class_org.apache.struts.action.Action"><!-- --></A> |
| <TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"> |
| <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
| <TD><B>Methods inherited from class org.apache.struts.action.<A HREF="../../../../org/apache/struts/action/Action.html">Action</A></B></TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><A HREF="../../../../org/apache/struts/action/Action.html#execute(org.apache.struts.action.ActionMapping, org.apache.struts.action.ActionForm, javax.servlet.ServletRequest, javax.servlet.ServletResponse)">execute</A>, <A HREF="../../../../org/apache/struts/action/Action.html#generateToken(javax.servlet.http.HttpServletRequest)">generateToken</A>, <A HREF="../../../../org/apache/struts/action/Action.html#getDataSource(javax.servlet.http.HttpServletRequest)">getDataSource</A>, <A HREF="../../../../org/apache/struts/action/Action.html#getDataSource(javax.servlet.http.HttpServletRequest, java.lang.String)">getDataSource</A>, <A HREF="../../../../org/apache/struts/action/Action.html#getLocale(javax.servlet.http.HttpServletRequest)">getLocale</A>, <A HREF="../../../../org/apache/struts/action/Action.html#getResources()">getResources</A>, <A HREF="../../../../org/apache/struts/action/Action.html#getResources(javax.servlet.http.HttpServletRequest)">getResources</A>, <A HREF="../../../../org/apache/struts/action/Action.html#getResources(javax.servlet.http.HttpServletRequest, java.lang.String)">getResources</A>, <A HREF="../../../../org/apache/struts/action/Action.html#getServlet()">getServlet</A>, <A HREF="../../../../org/apache/struts/action/Action.html#isCancelled(javax.servlet.http.HttpServletRequest)">isCancelled</A>, <A HREF="../../../../org/apache/struts/action/Action.html#isTokenValid(javax.servlet.http.HttpServletRequest)">isTokenValid</A>, <A HREF="../../../../org/apache/struts/action/Action.html#isTokenValid(javax.servlet.http.HttpServletRequest, boolean)">isTokenValid</A>, <A HREF="../../../../org/apache/struts/action/Action.html#perform(org.apache.struts.action.ActionMapping, org.apache.struts.action.ActionForm, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)">perform</A>, <A HREF="../../../../org/apache/struts/action/Action.html#perform(org.apache.struts.action.ActionMapping, org.apache.struts.action.ActionForm, javax.servlet.ServletRequest, javax.servlet.ServletResponse)">perform</A>, <A HREF="../../../../org/apache/struts/action/Action.html#resetToken(javax.servlet.http.HttpServletRequest)">resetToken</A>, <A HREF="../../../../org/apache/struts/action/Action.html#saveErrors(javax.servlet.http.HttpServletRequest, org.apache.struts.action.ActionErrors)">saveErrors</A>, <A HREF="../../../../org/apache/struts/action/Action.html#saveMessages(javax.servlet.http.HttpServletRequest, org.apache.struts.action.ActionMessages)">saveMessages</A>, <A HREF="../../../../org/apache/struts/action/Action.html#saveToken(javax.servlet.http.HttpServletRequest)">saveToken</A>, <A HREF="../../../../org/apache/struts/action/Action.html#setLocale(javax.servlet.http.HttpServletRequest, java.util.Locale)">setLocale</A>, <A HREF="../../../../org/apache/struts/action/Action.html#setServlet(org.apache.struts.action.ActionServlet)">setServlet</A>, <A HREF="../../../../org/apache/struts/action/Action.html#toHex(byte[])">toHex</A></CODE></TD> |
| </TR> |
| </TABLE> |
| <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> |
| <TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"> |
| <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
| <TD><B>Methods inherited from class java.lang.Object</B></TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD> |
| </TR> |
| </TABLE> |
| |
| <P> |
| |
| <!-- ============ FIELD DETAIL =========== --> |
| |
| <A NAME="field_detail"><!-- --></A> |
| <TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TD COLSPAN=1><FONT SIZE="+2"> |
| <B>Field Detail</B></FONT></TD> |
| </TR> |
| </TABLE> |
| |
| <A NAME="localeMap"><!-- --></A><H3> |
| localeMap</H3> |
| <PRE> |
| protected java.util.Map <B>localeMap</B></PRE> |
| <DL> |
| <DD>Reverse lookup map from resource value to resource key. |
| <P> |
| <DL> |
| </DL> |
| </DL> |
| <HR> |
| |
| <A NAME="keyMethodMap"><!-- --></A><H3> |
| keyMethodMap</H3> |
| <PRE> |
| protected java.util.Map <B>keyMethodMap</B></PRE> |
| <DL> |
| <DD>Resource key to method name lookup. |
| <P> |
| <DL> |
| </DL> |
| </DL> |
| |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| |
| <A NAME="constructor_detail"><!-- --></A> |
| <TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TD COLSPAN=1><FONT SIZE="+2"> |
| <B>Constructor Detail</B></FONT></TD> |
| </TR> |
| </TABLE> |
| |
| <A NAME="LookupDispatchAction()"><!-- --></A><H3> |
| LookupDispatchAction</H3> |
| <PRE> |
| public <B>LookupDispatchAction</B>()</PRE> |
| <DL> |
| </DL> |
| |
| <!-- ============ METHOD DETAIL ========== --> |
| |
| <A NAME="method_detail"><!-- --></A> |
| <TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TD COLSPAN=1><FONT SIZE="+2"> |
| <B>Method Detail</B></FONT></TD> |
| </TR> |
| </TABLE> |
| |
| <A NAME="execute(org.apache.struts.action.ActionMapping, org.apache.struts.action.ActionForm, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)"><!-- --></A><H3> |
| execute</H3> |
| <PRE> |
| public <A HREF="../../../../org/apache/struts/action/ActionForward.html">ActionForward</A> <B>execute</B>(<A HREF="../../../../org/apache/struts/action/ActionMapping.html">ActionMapping</A> mapping, |
| <A HREF="../../../../org/apache/struts/action/ActionForm.html">ActionForm</A> form, |
| javax.servlet.http.HttpServletRequest request, |
| javax.servlet.http.HttpServletResponse response) |
| throws java.lang.Exception</PRE> |
| <DL> |
| <DD>Process the specified HTTP request, and create the corresponding HTTP |
| response (or forward to another web component that will create it). |
| Return an <code>ActionForward</code> instance describing where and how |
| control should be forwarded, or <code>null</code> if the response has |
| already been completed. |
| <P> |
| <DD><DL> |
| <DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/struts/actions/DispatchAction.html#execute(org.apache.struts.action.ActionMapping, org.apache.struts.action.ActionForm, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)">execute</A></CODE> in class <CODE><A HREF="../../../../org/apache/struts/actions/DispatchAction.html">DispatchAction</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>mapping</CODE> - The ActionMapping used to select this instance<DD><CODE>request</CODE> - The HTTP request we are processing<DD><CODE>response</CODE> - The HTTP response we are creating<DD><CODE>form</CODE> - The optional ActionForm bean for this request (if any) |
| <DT><B>Returns:</B><DD>Describes where and how control should be forwarded. |
| <DT><B>Throws:</B> |
| <DD><CODE>java.lang.Exception</CODE> - if an error occurs</DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="initLookupMap(javax.servlet.http.HttpServletRequest, java.util.Locale)"><!-- --></A><H3> |
| initLookupMap</H3> |
| <PRE> |
| private java.util.Map <B>initLookupMap</B>(javax.servlet.http.HttpServletRequest request, |
| java.util.Locale userLocale)</PRE> |
| <DL> |
| <DD>This is the first time this Locale is used so build the reverse lookup Map. |
| Search for message keys in all configured MessageResources for |
| the current module. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="getKeyMethodMap()"><!-- --></A><H3> |
| getKeyMethodMap</H3> |
| <PRE> |
| protected abstract java.util.Map <B>getKeyMethodMap</B>()</PRE> |
| <DL> |
| <DD>Provides the mapping from resource key to method name. |
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