Author: ddewolf
Date: Wed Nov 1 07:31:06 2006
New Revision: 469932
URL: http://svn.apache.org/viewvc?view=rev&rev=469932
Log:
Adding Jsp PageContext based implementation of the RequestContext interface.
This will be useful when migrating the tags to use the container.
Added:
struts/sandbox/trunk/tiles/tiles-core/src/main/java/org/apache/tiles/context/jsp/
struts/sandbox/trunk/tiles/tiles-core/src/main/java/org/apache/tiles/context/jsp/JspTilesRequestContext.java
(with props)
Added:
struts/sandbox/trunk/tiles/tiles-core/src/main/java/org/apache/tiles/context/jsp/JspTilesRequestContext.java
URL:
http://svn.apache.org/viewvc/struts/sandbox/trunk/tiles/tiles-core/src/main/java/org/apache/tiles/context/jsp/JspTilesRequestContext.java?view=auto&rev=469932
==============================================================================
---
struts/sandbox/trunk/tiles/tiles-core/src/main/java/org/apache/tiles/context/jsp/JspTilesRequestContext.java
(added)
+++
struts/sandbox/trunk/tiles/tiles-core/src/main/java/org/apache/tiles/context/jsp/JspTilesRequestContext.java
Wed Nov 1 07:31:06 2006
@@ -0,0 +1,116 @@
+/*
+ * $Id$
+ *
+ * Copyright 1999-2006 The Apache Software Foundation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.tiles.context.jsp;
+
+import org.apache.tiles.TilesRequestContext;
+import org.apache.tiles.TilesException;
+import org.apache.tiles.context.servlet.ServletTilesRequestContext;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+import javax.servlet.jsp.PageContext;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.ServletContext;
+import javax.servlet.ServletException;
+import java.lang.reflect.Method;
+import java.lang.reflect.InvocationTargetException;
+import java.io.IOException;
+
+/**
+ * Context implementation used for executing tiles within a
+ * jsp tag library.
+ *
+ */
+public class JspTilesRequestContext extends ServletTilesRequestContext
+ implements TilesRequestContext {
+
+ private static final Log LOG =
+ LogFactory.getLog(JspTilesRequestContext.class);
+
+ /**
+ * JSP 2.0 include method to use which supports configurable flushing.
+ */
+ private static Method include = null;
+
+ /**
+ * Initialize the include variable with the
+ * JSP 2.0 method if available.
+ */
+ static {
+ try {
+ // get version of include method with flush argument
+ Class[] args = new Class[]{String.class, boolean.class};
+ include = PageContext.class.getMethod("include", args);
+ } catch (NoSuchMethodException e) {
+ LOG.debug("Could not find JSP 2.0 include method. Using old one
that doesn't support " +
+ "configurable flushing.", e);
+ }
+ }
+
+ private PageContext pageContext;
+
+ public JspTilesRequestContext(ServletContext context, PageContext
pageContext) {
+ super(context,
+ (HttpServletRequest)pageContext.getRequest(),
+ (HttpServletResponse)pageContext.getResponse());
+ this.pageContext = pageContext;
+ }
+
+
+
+ public void include(String path) throws TilesException {
+ try {
+ include(path, false);
+ } catch (IOException e) {
+ throw new TilesException(e);
+ } catch (ServletException e) {
+ throw new TilesException(e);
+ }
+ }
+
+ /**
+ * Do an include of specified page using PageContext.include().
+ * <p/>
+ * This method is used by the Tiles package when an include is required.
+ * The Tiles package can use indifferently any form of this method.
+ *
+ * @param path Uri or Definition name to forward.
+ * @param flush If the writer should be flushed before the include
+ * @throws javax.servlet.ServletException - Thrown by call to
pageContext.include()
+ * @throws java.io.IOException - Thrown by call to
pageContext.include()
+ */
+ public void include(String path, boolean flush) throws IOException,
ServletException {
+
+ try {
+ // perform include with new JSP 2.0 method that supports flushing
+ if (include != null) {
+ include.invoke(pageContext, path, flush);
+ return;
+ }
+ } catch (IllegalAccessException e) {
+ LOG.debug("Could not find JSP 2.0 include method. Using old
one.", e);
+ } catch (InvocationTargetException e) {
+ LOG.debug("Unable to execute JSP 2.0 include method. Trying old
one.", e);
+ }
+
+ pageContext.include(path);
+ }
+
+
+}
Propchange:
struts/sandbox/trunk/tiles/tiles-core/src/main/java/org/apache/tiles/context/jsp/JspTilesRequestContext.java
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svn:eol-style = native
Propchange:
struts/sandbox/trunk/tiles/tiles-core/src/main/java/org/apache/tiles/context/jsp/JspTilesRequestContext.java
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svn:keywords = Id Author Date
