org.apache.wicket.request.mapper.ParentPathReferenceRewriter Maven / Gradle / Ivy
/*
* 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.request.mapper;
import org.apache.wicket.request.IRequestHandler;
import org.apache.wicket.request.IRequestMapper;
import org.apache.wicket.request.Request;
import org.apache.wicket.request.Url;
import org.apache.wicket.util.IProvider;
import org.apache.wicket.util.NullProvider;
import org.apache.wicket.util.lang.Args;
/**
* Mapper that rewrites parent path segments ({@code ../}) with the specified string and viceversa.
*
* @author igor.vaynberg
*/
public class ParentPathReferenceRewriter implements IRequestMapperDelegate
{
private final IProvider escapeSequence;
private final IRequestMapper chain;
/**
* Construct.
*
* @param chain
* chained request mapper
*
* @param escapeSequence
*/
public ParentPathReferenceRewriter(final IRequestMapper chain,
final IProvider escapeSequence)
{
Args.notNull(chain, "chain");
Args.notNull(escapeSequence, "relativePathPartEscapeSequence");
this.escapeSequence = escapeSequence;
this.chain = chain;
}
/**
* Construct.
*
* @param chain
* chained request mapper
*/
public ParentPathReferenceRewriter(final IRequestMapper chain)
{
this(chain, new NullProvider());
}
/**
* @see org.apache.wicket.request.IRequestMapper#mapRequest(org.apache.wicket.request.Request)
*/
@Override
public IRequestHandler mapRequest(final Request request)
{
Url url = request.getUrl();
if (escapeSequence.get() != null)
{
for (int i = 0; i < url.getSegments().size(); i++)
{
if (url.getSegments().get(i).equals(escapeSequence.get()))
{
url.getSegments().set(i, "..");
}
}
}
return chain.mapRequest(request.cloneWithUrl(url));
}
/** {@inheritDoc} */
@Override
public Url mapHandler(final IRequestHandler requestHandler)
{
Url url = chain.mapHandler(requestHandler);
if ((url != null) && (escapeSequence.get() != null))
{
for (int i = 0; i < url.getSegments().size(); i++)
{
if ("..".equals(url.getSegments().get(i)))
{
url.getSegments().set(i, escapeSequence.get());
}
}
}
return url;
}
/** {@inheritDoc} */
@Override
public int getCompatibilityScore(final Request request)
{
return chain.getCompatibilityScore(request);
}
/** {@inheritDoc} */
@Override
public IRequestMapper getDelegateMapper()
{
return chain;
}
}