| // Copyright 2010 The Apache Software Foundation |
| // |
| // Licensed 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.tapestry5.internal.services.linktransform; |
| |
| import org.apache.tapestry5.Link; |
| import org.apache.tapestry5.services.ComponentEventLinkEncoder; |
| import org.apache.tapestry5.services.ComponentEventRequestParameters; |
| import org.apache.tapestry5.services.PageRenderRequestParameters; |
| import org.apache.tapestry5.services.Request; |
| import org.apache.tapestry5.services.linktransform.LinkTransformer; |
| |
| /** |
| * Intercepts some methods of {@link ComponentEventLinkEncoder}, passing the returned {@link Link}s |
| * through methods of{@link LinkTransformer}. |
| * |
| * @since 5.2.0 |
| */ |
| public class LinkTransformerInterceptor implements ComponentEventLinkEncoder |
| { |
| private final LinkTransformer linkTransformer; |
| |
| private final ComponentEventLinkEncoder delegate; |
| |
| public LinkTransformerInterceptor(LinkTransformer linkTransformer, ComponentEventLinkEncoder delegate) |
| { |
| this.linkTransformer = linkTransformer; |
| this.delegate = delegate; |
| } |
| |
| public Link createComponentEventLink(ComponentEventRequestParameters parameters, boolean forForm) |
| { |
| return linkTransformer.transformComponentEventLink(delegate.createComponentEventLink(parameters, forForm), |
| parameters); |
| } |
| |
| public Link createPageRenderLink(PageRenderRequestParameters parameters) |
| { |
| return linkTransformer.transformPageRenderLink(delegate.createPageRenderLink(parameters), parameters); |
| } |
| |
| public ComponentEventRequestParameters decodeComponentEventRequest(Request request) |
| { |
| ComponentEventRequestParameters parameters = linkTransformer.decodeComponentEventRequest(request); |
| |
| if (parameters == null) |
| parameters = delegate.decodeComponentEventRequest(request); |
| |
| return parameters; |
| } |
| |
| public PageRenderRequestParameters decodePageRenderRequest(Request request) |
| { |
| PageRenderRequestParameters parameters = linkTransformer.decodePageRenderRequest(request); |
| |
| if (parameters == null) |
| parameters = delegate.decodePageRenderRequest(request); |
| |
| return parameters; |
| } |
| |
| } |