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TilesUtil (Apache Struts API Documentation)
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org.apache.struts.tiles</FONT>
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Class TilesUtil</H2>
<PRE>
java.lang.Object
|
+--<B>org.apache.struts.tiles.TilesUtil</B>
</PRE>
<DL>
<DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../org/apache/struts/tiles/DefinitionsUtil.html">DefinitionsUtil</A></DD>
</DL>
<HR>
<DL>
<DT>public class <B>TilesUtil</B><DT>extends java.lang.Object</DL>
<P>
Class containing utility methods for Tiles.
Methods of this class are static and thereby accessible from anywhere.
The underlying implementation can be changed with
<A HREF="../../../../org/apache/struts/tiles/TilesUtil.html#setTilesUtil(org.apache.struts.tiles.TilesUtilImpl)"><CODE>setTilesUtil(TilesUtilImpl)</CODE></A>.
<br>
Real implementation classes should derive from the <A HREF="../../../../org/apache/struts/tiles/TilesUtilImpl.html"><CODE>TilesUtilImpl</CODE></A> class.
<br>
Some methods are specified to throw the <code>UnsupportedOperationException</code>
if the underlying implementation doesn't support the operation.
<P>
<P>
<HR>
<P>
<!-- ======== NESTED CLASS SUMMARY ======== -->
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private static boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/tiles/TilesUtil.html#implAlreadySet">implAlreadySet</A></B></CODE>
<BR>
Flag to know if internal implementation has been set by the setter method</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected static org.apache.commons.logging.Log</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/tiles/TilesUtil.html#log">log</A></B></CODE>
<BR>
Commons Logging instance.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected static <A HREF="../../../../org/apache/struts/tiles/TilesUtilImpl.html">TilesUtilImpl</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/tiles/TilesUtil.html#tilesUtilImpl">tilesUtilImpl</A></B></CODE>
<BR>
The implementation of tilesUtilImpl</TD>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<B>Constructor Summary</B></FONT></TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../org/apache/struts/tiles/TilesUtil.html#TilesUtil()">TilesUtil</A></B>()</CODE>
<BR>
</TD>
</TR>
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<!-- ========== METHOD SUMMARY =========== -->
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<B>Method Summary</B></FONT></TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static java.lang.Class</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/tiles/TilesUtil.html#applicationClass(java.lang.String)">applicationClass</A></B>(java.lang.String className)</CODE>
<BR>
<B>Deprecated.</B> <I>Use RequestUtils.applicationClass() instead.</I></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="../../../../org/apache/struts/tiles/DefinitionsFactory.html">DefinitionsFactory</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/tiles/TilesUtil.html#createDefinitionsFactory(javax.servlet.ServletContext, org.apache.struts.tiles.DefinitionsFactoryConfig)">createDefinitionsFactory</A></B>(javax.servlet.ServletContext servletContext,
<A HREF="../../../../org/apache/struts/tiles/DefinitionsFactoryConfig.html">DefinitionsFactoryConfig</A> factoryConfig)</CODE>
<BR>
Create Definition factory from specified configuration object.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/tiles/TilesUtil.html#doForward(java.lang.String, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, javax.servlet.ServletContext)">doForward</A></B>(java.lang.String uri,
javax.servlet.http.HttpServletRequest request,
javax.servlet.http.HttpServletResponse response,
javax.servlet.ServletContext servletContext)</CODE>
<BR>
Do a forward using request dispatcher.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/tiles/TilesUtil.html#doInclude(java.lang.String, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, javax.servlet.ServletContext)">doInclude</A></B>(java.lang.String uri,
javax.servlet.http.HttpServletRequest request,
javax.servlet.http.HttpServletResponse response,
javax.servlet.ServletContext servletContext)</CODE>
<BR>
Do an include using request dispatcher.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/tiles/TilesUtil.html#doInclude(java.lang.String, javax.servlet.jsp.PageContext)">doInclude</A></B>(java.lang.String uri,
javax.servlet.jsp.PageContext pageContext)</CODE>
<BR>
Do an include using PageContext.include().</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="../../../../org/apache/struts/tiles/ComponentDefinition.html">ComponentDefinition</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/tiles/TilesUtil.html#getDefinition(java.lang.String, javax.servlet.ServletRequest, javax.servlet.ServletContext)">getDefinition</A></B>(java.lang.String definitionName,
javax.servlet.ServletRequest request,
javax.servlet.ServletContext servletContext)</CODE>
<BR>
Get a definition by its name.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="../../../../org/apache/struts/tiles/DefinitionsFactory.html">DefinitionsFactory</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/tiles/TilesUtil.html#getDefinitionsFactory(javax.servlet.ServletRequest, javax.servlet.ServletContext)">getDefinitionsFactory</A></B>(javax.servlet.ServletRequest request,
javax.servlet.ServletContext servletContext)</CODE>
<BR>
Get definition factory from appropriate servlet context.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="../../../../org/apache/struts/tiles/TilesUtilImpl.html">TilesUtilImpl</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/tiles/TilesUtil.html#getTilesUtil()">getTilesUtil</A></B>()</CODE>
<BR>
Get the real implementation.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>(package private) static boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/tiles/TilesUtil.html#isTilesUtilImplSet()">isTilesUtilImplSet</A></B>()</CODE>
<BR>
Getter to know if the underlying implementation is already set to another
value than the default value.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/tiles/TilesUtil.html#setTilesUtil(org.apache.struts.tiles.TilesUtilImpl)">setTilesUtil</A></B>(<A HREF="../../../../org/apache/struts/tiles/TilesUtilImpl.html">TilesUtilImpl</A> tilesUtil)</CODE>
<BR>
Set the real implementation.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected static void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/struts/tiles/TilesUtil.html#testReset()">testReset</A></B>()</CODE>
<BR>
Reset internal state.</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 =========== -->
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<TD COLSPAN=1><FONT SIZE="+2">
<B>Field Detail</B></FONT></TD>
</TR>
</TABLE>
<A NAME="log"><!-- --></A><H3>
log</H3>
<PRE>
protected static org.apache.commons.logging.Log <B>log</B></PRE>
<DL>
<DD>Commons Logging instance.
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="tilesUtilImpl"><!-- --></A><H3>
tilesUtilImpl</H3>
<PRE>
protected static <A HREF="../../../../org/apache/struts/tiles/TilesUtilImpl.html">TilesUtilImpl</A> <B>tilesUtilImpl</B></PRE>
<DL>
<DD>The implementation of tilesUtilImpl
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="implAlreadySet"><!-- --></A><H3>
implAlreadySet</H3>
<PRE>
private static boolean <B>implAlreadySet</B></PRE>
<DL>
<DD>Flag to know if internal implementation has been set by the setter method
<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="TilesUtil()"><!-- --></A><H3>
TilesUtil</H3>
<PRE>
public <B>TilesUtil</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="getTilesUtil()"><!-- --></A><H3>
getTilesUtil</H3>
<PRE>
public static <A HREF="../../../../org/apache/struts/tiles/TilesUtilImpl.html">TilesUtilImpl</A> <B>getTilesUtil</B>()</PRE>
<DL>
<DD>Get the real implementation.
<P>
<DD><DL>
<DT><B>Returns:</B><DD>The underlying implementation object.</DL>
</DD>
</DL>
<HR>
<A NAME="setTilesUtil(org.apache.struts.tiles.TilesUtilImpl)"><!-- --></A><H3>
setTilesUtil</H3>
<PRE>
public static void <B>setTilesUtil</B>(<A HREF="../../../../org/apache/struts/tiles/TilesUtilImpl.html">TilesUtilImpl</A> tilesUtil)</PRE>
<DL>
<DD>Set the real implementation.
This method should be called only once.
Successive calls have no effect.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>tilesUtil</CODE> - The implementaion.</DL>
</DD>
</DL>
<HR>
<A NAME="isTilesUtilImplSet()"><!-- --></A><H3>
isTilesUtilImplSet</H3>
<PRE>
static boolean <B>isTilesUtilImplSet</B>()</PRE>
<DL>
<DD>Getter to know if the underlying implementation is already set to another
value than the default value.
<P>
<DD><DL>
<DT><B>Returns:</B><DD><code>true</code> if <A HREF="../../../../org/apache/struts/tiles/TilesUtil.html#setTilesUtil(org.apache.struts.tiles.TilesUtilImpl)"><CODE>setTilesUtil(org.apache.struts.tiles.TilesUtilImpl)</CODE></A> has already been called.</DL>
</DD>
</DL>
<HR>
<A NAME="doForward(java.lang.String, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, javax.servlet.ServletContext)"><!-- --></A><H3>
doForward</H3>
<PRE>
public static void <B>doForward</B>(java.lang.String uri,
javax.servlet.http.HttpServletRequest request,
javax.servlet.http.HttpServletResponse response,
javax.servlet.ServletContext servletContext)
throws java.io.IOException,
javax.servlet.ServletException</PRE>
<DL>
<DD>Do a forward using request dispatcher.
This method is used by the Tiles package anytime a forward is required.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>uri</CODE> - Uri or Definition name to forward.<DD><CODE>request</CODE> - Current page request.<DD><CODE>response</CODE> - Current page response.<DD><CODE>servletContext</CODE> - Current servlet context.
<DD><CODE>java.io.IOException</CODE>
<DD><CODE>javax.servlet.ServletException</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="doInclude(java.lang.String, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, javax.servlet.ServletContext)"><!-- --></A><H3>
doInclude</H3>
<PRE>
public static void <B>doInclude</B>(java.lang.String uri,
javax.servlet.http.HttpServletRequest request,
javax.servlet.http.HttpServletResponse response,
javax.servlet.ServletContext servletContext)
throws java.io.IOException,
javax.servlet.ServletException</PRE>
<DL>
<DD>Do an include using request dispatcher.
This method is used by the Tiles package when an include is required.
The Tiles package can use indifferently any form of this method.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>uri</CODE> - Uri or Definition name to forward.<DD><CODE>request</CODE> - Current page request.<DD><CODE>response</CODE> - Current page response.<DD><CODE>servletContext</CODE> - Current servlet context.
<DD><CODE>java.io.IOException</CODE>
<DD><CODE>javax.servlet.ServletException</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="doInclude(java.lang.String, javax.servlet.jsp.PageContext)"><!-- --></A><H3>
doInclude</H3>
<PRE>
public static void <B>doInclude</B>(java.lang.String uri,
javax.servlet.jsp.PageContext pageContext)
throws java.io.IOException,
javax.servlet.ServletException</PRE>
<DL>
<DD>Do an include using PageContext.include().
This method is used by the Tiles package when an include is required.
The Tiles package can use indifferently any form of this method.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>uri</CODE> - Uri or Definition name to forward.
<DD><CODE>java.io.IOException</CODE>
<DD><CODE>javax.servlet.ServletException</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="getDefinitionsFactory(javax.servlet.ServletRequest, javax.servlet.ServletContext)"><!-- --></A><H3>
getDefinitionsFactory</H3>
<PRE>
public static <A HREF="../../../../org/apache/struts/tiles/DefinitionsFactory.html">DefinitionsFactory</A> <B>getDefinitionsFactory</B>(javax.servlet.ServletRequest request,
javax.servlet.ServletContext servletContext)</PRE>
<DL>
<DD>Get definition factory from appropriate servlet context.
<P>
<DD><DL>
<DT><B>Returns:</B><DD>Definitions factory or <code>null</code> if not found.</DL>
</DD>
</DL>
<HR>
<A NAME="createDefinitionsFactory(javax.servlet.ServletContext, org.apache.struts.tiles.DefinitionsFactoryConfig)"><!-- --></A><H3>
createDefinitionsFactory</H3>
<PRE>
public static <A HREF="../../../../org/apache/struts/tiles/DefinitionsFactory.html">DefinitionsFactory</A> <B>createDefinitionsFactory</B>(javax.servlet.ServletContext servletContext,
<A HREF="../../../../org/apache/struts/tiles/DefinitionsFactoryConfig.html">DefinitionsFactoryConfig</A> factoryConfig)
throws <A HREF="../../../../org/apache/struts/tiles/DefinitionsFactoryException.html">DefinitionsFactoryException</A></PRE>
<DL>
<DD>Create Definition factory from specified configuration object.
Create a ConfigurableDefinitionsFactory and initialize it with the configuration
object. This later can contain the factory classname to use.
Factory is made accessible from tags.
<p>
Fallback of several factory creation methods.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>servletContext</CODE> - Servlet Context passed to newly created factory.<DD><CODE>factoryConfig</CODE> - Configuration object passed to factory.
<DT><B>Returns:</B><DD>newly created factory of type ConfigurableDefinitionsFactory.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../org/apache/struts/tiles/DefinitionsFactoryException.html">DefinitionsFactoryException</A></CODE> - If an error occur while initializing factory</DL>
</DD>
</DL>
<HR>
<A NAME="getDefinition(java.lang.String, javax.servlet.ServletRequest, javax.servlet.ServletContext)"><!-- --></A><H3>
getDefinition</H3>
<PRE>
public static <A HREF="../../../../org/apache/struts/tiles/ComponentDefinition.html">ComponentDefinition</A> <B>getDefinition</B>(java.lang.String definitionName,
javax.servlet.ServletRequest request,
javax.servlet.ServletContext servletContext)
throws <A HREF="../../../../org/apache/struts/tiles/FactoryNotFoundException.html">FactoryNotFoundException</A>,
<A HREF="../../../../org/apache/struts/tiles/DefinitionsFactoryException.html">DefinitionsFactoryException</A></PRE>
<DL>
<DD>Get a definition by its name.
First, retrieve definition factory and then get requested definition.
Throw appropriate exception if definition or definition factory is not found.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>definitionName</CODE> - Name of requested definition.<DD><CODE>request</CODE> - Current servelet request.<DD><CODE>servletContext</CODE> - current servlet context.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../org/apache/struts/tiles/FactoryNotFoundException.html">FactoryNotFoundException</A></CODE> - Can't find definition factory.
<DD><CODE><A HREF="../../../../org/apache/struts/tiles/DefinitionsFactoryException.html">DefinitionsFactoryException</A></CODE> - General error in factory while getting definition.
<DD><CODE><A HREF="../../../../org/apache/struts/tiles/NoSuchDefinitionException.html">NoSuchDefinitionException</A></CODE> - No definition found for specified name</DL>
</DD>
</DL>
<HR>
<A NAME="applicationClass(java.lang.String)"><!-- --></A><H3>
applicationClass</H3>
<PRE>
public static java.lang.Class <B>applicationClass</B>(java.lang.String className)
throws java.lang.ClassNotFoundException</PRE>
<DL>
<DD><B>Deprecated.</B> <I>Use RequestUtils.applicationClass() instead.</I>
<P>
<DD>Return the <code>Class</code> object for the specified fully qualified
class name from the underlying class loader.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>className</CODE> - Fully qualified class name to be loaded.
<DT><B>Returns:</B><DD>Class object.
<DT><B>Throws:</B>
<DD><CODE>java.lang.ClassNotFoundException</CODE> - if the class cannot be found</DL>
</DD>
</DL>
<HR>
<A NAME="testReset()"><!-- --></A><H3>
testReset</H3>
<PRE>
protected static void <B>testReset</B>()</PRE>
<DL>
<DD>Reset internal state.
This method is used by test suites to reset the class to its original state.
<P>
<DD><DL>
</DL>
</DD>
</DL>
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