/*
* 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.core.request.mapper;
import org.apache.wicket.RequestListenerInterface;
import org.apache.wicket.core.request.handler.ListenerInterfaceRequestHandler;
import org.apache.wicket.core.request.handler.PageAndComponentProvider;
import org.apache.wicket.core.request.handler.PageProvider;
import org.apache.wicket.core.request.handler.RenderPageRequestHandler;
import org.apache.wicket.request.IRequestHandler;
import org.apache.wicket.request.Request;
import org.apache.wicket.request.Url;
import org.apache.wicket.request.component.IRequestablePage;
import org.apache.wicket.request.mapper.info.ComponentInfo;
import org.apache.wicket.request.mapper.info.PageComponentInfo;
import org.apache.wicket.request.mapper.info.PageInfo;
/**
* Decodes and encodes the following URLs:
*
* <pre>
* Page Instance - Render (RenderPageRequestHandler)
* /wicket/page?2
*
*
* Page Instance - Listener (ListenerInterfaceRequestHandler)
* /wicket/page?2-click-foo-bar-baz
* /wicket/page?2-click.1-foo-bar-baz (1 is behavior index)
* </pre>
*
* @author Matej Knopp
*/
public class PageInstanceMapper extends AbstractComponentMapper
{
/**
* Construct.
*/
public PageInstanceMapper()
{
}
/**
* @see org.apache.wicket.request.IRequestMapper#mapRequest(org.apache.wicket.request.Request)
*/
@Override
public IRequestHandler mapRequest(Request request)
{
if (matches(request))
{
Url url = request.getUrl();
PageComponentInfo info = getPageComponentInfo(url);
if (info != null && info.getPageInfo().getPageId() != null)
{
Integer renderCount = info.getComponentInfo() != null ? info.getComponentInfo()
.getRenderCount() : null;
if (info.getComponentInfo() == null)
{
PageProvider provider = new PageProvider(info.getPageInfo().getPageId(),
renderCount);
provider.setPageSource(getContext());
// render page
return new RenderPageRequestHandler(provider);
}
else
{
ComponentInfo componentInfo = info.getComponentInfo();
PageAndComponentProvider provider = new PageAndComponentProvider(
info.getPageInfo().getPageId(), renderCount,
componentInfo.getComponentPath());
provider.setPageSource(getContext());
// listener interface
RequestListenerInterface listenerInterface = requestListenerInterfaceFromString(componentInfo.getListenerInterface());
return new ListenerInterfaceRequestHandler(provider, listenerInterface,
componentInfo.getBehaviorId());
}
}
}
return null;
}
/**
* @see org.apache.wicket.request.IRequestMapper#mapHandler(org.apache.wicket.request.IRequestHandler)
*/
@Override
public Url mapHandler(IRequestHandler requestHandler)
{
PageComponentInfo info = null;
if (requestHandler instanceof RenderPageRequestHandler)
{
IRequestablePage page = ((RenderPageRequestHandler)requestHandler).getPage();
PageInfo i = new PageInfo(page.getPageId());
info = new PageComponentInfo(i, null);
}
else if (requestHandler instanceof ListenerInterfaceRequestHandler)
{
ListenerInterfaceRequestHandler handler = (ListenerInterfaceRequestHandler)requestHandler;
IRequestablePage page = handler.getPage();
String componentPath = handler.getComponentPath();
RequestListenerInterface listenerInterface = handler.getListenerInterface();
Integer renderCount = null;
if (listenerInterface.isIncludeRenderCount())
{
renderCount = page.getRenderCount();
}
PageInfo pageInfo = new PageInfo(page.getPageId());
ComponentInfo componentInfo = new ComponentInfo(renderCount,
requestListenerInterfaceToString(listenerInterface), componentPath,
handler.getBehaviorIndex());
info = new PageComponentInfo(pageInfo, componentInfo);
}
if (info != null)
{
Url url = new Url();
url.getSegments().add(getContext().getNamespace());
url.getSegments().add(getContext().getPageIdentifier());
encodePageComponentInfo(url, info);
return url;
}
else
{
return null;
}
}
/**
* @see org.apache.wicket.request.IRequestMapper#getCompatibilityScore(org.apache.wicket.request.Request)
*/
@Override
public int getCompatibilityScore(final Request request)
{
int score = 0;
if (matches(request))
{
score = Integer.MAX_VALUE;
}
return score;
}
/**
* Matches when the request url starts with
* {@link org.apache.wicket.core.request.mapper.IMapperContext#getNamespace()}/{@link org.apache.wicket.core.request.mapper.IMapperContext#getPageIdentifier()}
* or when the base url starts with
* {@link org.apache.wicket.core.request.mapper.IMapperContext#getNamespace()}/{@link org.apache.wicket.core.request.mapper.IMapperContext#getPageIdentifier()}
* and the request url with {@link org.apache.wicket.core.request.mapper.IMapperContext#getPageIdentifier()}
* @param request
* the request to check
* @return {@code true} if the conditions match
*/
private boolean matches(final Request request)
{
boolean matches = false;
Url url = request.getUrl();
String namespace = getContext().getNamespace();
String pageIdentifier = getContext().getPageIdentifier();
if (urlStartsWith(url, namespace, pageIdentifier))
{
matches = true;
}
else if (urlStartsWith(request.getClientUrl(), namespace, pageIdentifier) && urlStartsWith(url, pageIdentifier))
{
matches = true;
}
return matches;
}
}