/*
* 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.cocoon.wicket.target;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
import org.apache.cocoon.servlet.RequestProcessor;
import org.apache.cocoon.servlet.RequestProcessor.InvalidBaseUrlException;
import org.apache.cocoon.servlet.RequestProcessor.SitemapInitializationException;
import org.apache.cocoon.servlet.RequestProcessor.SitemapNotFoundException;
import org.apache.cocoon.sitemap.NoMatchingPipelineException;
import org.apache.cocoon.spring.configurator.WebAppContextUtils;
import org.apache.wicket.IRequestTarget;
import org.apache.wicket.RequestCycle;
import org.apache.wicket.protocol.http.WebApplication;
import org.apache.wicket.protocol.http.WebRequest;
import org.apache.wicket.protocol.http.WebResponse;
import org.apache.wicket.protocol.http.request.WebErrorCodeResponseTarget;
import org.apache.wicket.settings.IExceptionSettings;
public class CocoonSitemapRequestTarget implements IRequestTarget {
private RequestProcessor requestProcessor;
private final String mountPath;
public CocoonSitemapRequestTarget(final String sitemapPath, String mountPath) {
this.mountPath = mountPath;
synchronized (this) {
if (this.requestProcessor != null) {
return;
}
try {
this.requestProcessor = new RequestProcessor(WebApplication.get().getServletContext(), sitemapPath,
WebAppContextUtils.getCurrentWebApplicationContext());
} catch (SitemapNotFoundException e) {
throw new CocoonRuntimeException("Can't initialize Cocoon sitemap.", e);
} catch (InvalidBaseUrlException e) {
throw new CocoonRuntimeException("Invalid base URL for the Cocoon sitemap.", e);
} catch (SitemapInitializationException e) {
throw new CocoonRuntimeException("Can't initialize Cocoon sitemap.", e);
}
}
}
public void detach(RequestCycle requestCycle) {
}
public void respond(RequestCycle requestCycle) {
try {
HttpServletRequest request = new CocoonWicketRequestWrapper(((WebRequest) requestCycle.getRequest())
.getHttpServletRequest());
this.requestProcessor.service(request,
((WebResponse) requestCycle.getResponse()).getHttpServletResponse());
} catch (NoMatchingPipelineException e) {
WebApplication.get().getExceptionSettings().setUnexpectedExceptionDisplay(
IExceptionSettings.SHOW_INTERNAL_ERROR_PAGE);
RequestCycle.get().setRequestTarget(new WebErrorCodeResponseTarget(404));
} catch (Exception e) {
throw new CocoonRuntimeException("Error occurred while executing a Cocoon sitemap.", e);
}
}
public static class CocoonRuntimeException extends RuntimeException {
private static final long serialVersionUID = 1L;
public CocoonRuntimeException(String msg, Throwable cause) {
super(msg, cause);
}
}
private class CocoonWicketRequestWrapper extends HttpServletRequestWrapper {
private final HttpServletRequest request;
public CocoonWicketRequestWrapper(HttpServletRequest request) {
super(request);
this.request = request;
}
@Override
public String getServletPath() {
return this.request.getServletPath().substring(
CocoonSitemapRequestTarget.this.mountPath.length());
}
}
}