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Posted to commits@wicket.apache.org by mg...@apache.org on 2012/08/09 11:21:01 UTC

git commit: WICKET-4699 Add NonResettingRestartException

Updated Branches:
  refs/heads/master 3d08bf93e -> 0c3013221


WICKET-4699 Add NonResettingRestartException


Project: http://git-wip-us.apache.org/repos/asf/wicket/repo
Commit: http://git-wip-us.apache.org/repos/asf/wicket/commit/0c301322
Tree: http://git-wip-us.apache.org/repos/asf/wicket/tree/0c301322
Diff: http://git-wip-us.apache.org/repos/asf/wicket/diff/0c301322

Branch: refs/heads/master
Commit: 0c30132219807d09f962d31381f682dffd1a9dbc
Parents: 3d08bf9
Author: Martin Tzvetanov Grigorov <mg...@apache.org>
Authored: Thu Aug 9 12:17:06 2012 +0300
Committer: Martin Tzvetanov Grigorov <mg...@apache.org>
Committed: Thu Aug 9 12:17:06 2012 +0300

----------------------------------------------------------------------
 .../wicket/NonResettingRestartException.java       |   88 +++++++++++++++
 .../apache/wicket/RestartResponseException.java    |    1 +
 2 files changed, 89 insertions(+), 0 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/wicket/blob/0c301322/wicket-core/src/main/java/org/apache/wicket/NonResettingRestartException.java
----------------------------------------------------------------------
diff --git a/wicket-core/src/main/java/org/apache/wicket/NonResettingRestartException.java b/wicket-core/src/main/java/org/apache/wicket/NonResettingRestartException.java
new file mode 100644
index 0000000..24338d6
--- /dev/null
+++ b/wicket-core/src/main/java/org/apache/wicket/NonResettingRestartException.java
@@ -0,0 +1,88 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.wicket;
+
+import org.apache.wicket.core.request.handler.PageProvider;
+import org.apache.wicket.core.request.handler.RenderPageRequestHandler;
+import org.apache.wicket.protocol.http.IMetaDataBufferingWebResponse;
+import org.apache.wicket.request.IRequestHandler;
+import org.apache.wicket.request.RequestHandlerStack;
+import org.apache.wicket.request.Response;
+import org.apache.wicket.request.cycle.RequestCycle;
+import org.apache.wicket.request.http.WebResponse;
+import org.apache.wicket.request.mapper.parameter.PageParameters;
+
+/**
+ * Causes Wicket to interrupt current request processing and immediately respond with the specified
+ * page. Does not reset the header meta data.
+ *
+ * @see RestartResponseException
+ */
+public class NonResettingRestartException extends RequestHandlerStack.ReplaceHandlerException
+{
+
+	/**
+	 * Constructor.
+	 *
+	 * @param pageClass
+	 *      the class of the new page that should be rendered
+	 * @param params
+	 *      the page parameters to use for the new page
+	 * @param cycle
+	 *      the request cycle to use to find the Response`s
+	 */
+	public NonResettingRestartException(final Class<? extends Page> pageClass,
+			final PageParameters params, final RequestCycle cycle)
+	{
+		this(pageClass, params, cycle, RenderPageRequestHandler.RedirectPolicy.AUTO_REDIRECT);
+	}
+
+	/**
+	 * Constructor.
+	 *
+	 * @param pageClass
+	 *      the class of the new page that should be rendered
+	 * @param params
+	 *      the page parameters to use for the new page
+	 * @param cycle
+	 *      the request cycle to use to find the Response`s
+	 * @param redirectPolicy
+	 *      the policy that mandates whether to do a redirect
+	 */
+	public NonResettingRestartException(final Class<? extends Page> pageClass,
+		final PageParameters params, final RequestCycle cycle, RenderPageRequestHandler.RedirectPolicy redirectPolicy)
+	{
+		super(createRequestHandler(pageClass, params, redirectPolicy), true);
+
+		Response response = cycle.getResponse();
+		if (response instanceof IMetaDataBufferingWebResponse)
+		{
+			WebResponse originalResponse = (WebResponse) cycle.getOriginalResponse();
+			if (originalResponse != response)
+			{
+				IMetaDataBufferingWebResponse bufferingWebResponse = (IMetaDataBufferingWebResponse) response;
+				bufferingWebResponse.writeMetaData(originalResponse);
+			}
+		}
+	}
+
+	private static IRequestHandler createRequestHandler(Class<? extends Page> pageClass, PageParameters params,
+			RenderPageRequestHandler.RedirectPolicy redirectPolicy)
+	{
+		return new RenderPageRequestHandler(new PageProvider(pageClass, params), redirectPolicy);
+	}
+} 
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/wicket/blob/0c301322/wicket-core/src/main/java/org/apache/wicket/RestartResponseException.java
----------------------------------------------------------------------
diff --git a/wicket-core/src/main/java/org/apache/wicket/RestartResponseException.java b/wicket-core/src/main/java/org/apache/wicket/RestartResponseException.java
index c991124..6c7ef99 100644
--- a/wicket-core/src/main/java/org/apache/wicket/RestartResponseException.java
+++ b/wicket-core/src/main/java/org/apache/wicket/RestartResponseException.java
@@ -29,6 +29,7 @@ import org.apache.wicket.request.mapper.parameter.PageParameters;
  * page.
  * 
  * @author Igor Vaynberg (ivaynberg)
+ * @see NonResettingRestartException
  */
 public class RestartResponseException extends ResetResponseException
 {