| /* |
| * 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 java.util.function.Supplier; |
| |
| 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.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 Supplier<String> escapeSequence; |
| private final IRequestMapper chain; |
| |
| /** |
| * Construct. |
| * |
| * @param chain |
| * chained request mapper |
| * |
| * @param escapeSequence |
| */ |
| public ParentPathReferenceRewriter(final IRequestMapper chain, |
| final Supplier<String> 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<String>()); |
| } |
| |
| /** |
| * @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; |
| } |
| } |