    001    // Copyright 2009 The Apache Software Foundation
    002    //
    003    // Licensed under the Apache License, Version 2.0 (the "License");
    004    // you may not use this file except in compliance with the License.
    005    // You may obtain a copy of the License at
    006    //
    007    //     http://www.apache.org/licenses/LICENSE-2.0
    008    //
    009    // Unless required by applicable law or agreed to in writing, software
    010    // distributed under the License is distributed on an "AS IS" BASIS,
    011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    012    // See the License for the specific language governing permissions and
    013    // limitations under the License.
    014
    015    package org.apache.tapestry5.internal.services;
    016
    017    import org.apache.tapestry5.services.PageRenderLinkSource;
    018    import org.apache.tapestry5.services.ComponentClassResolver;
    019    import org.apache.tapestry5.Link;
    020    import org.apache.tapestry5.EventContext;
    021
    022    public class PageRenderLinkSourceImpl implements PageRenderLinkSource
    023    {
    024        private final ComponentClassResolver resolver;
    025
    026        private final LinkSource linkSource;
    027
    028        public PageRenderLinkSourceImpl(LinkSource linkSource, ComponentClassResolver resolver)
    029        {
    030            this.linkSource = linkSource;
    031            this.resolver = resolver;
    032        }
    033
    034        private String toPageName(Class pageClass)
    035        {
    036            return resolver.resolvePageClassNameToPageName(pageClass.getName());
    037        }
    038
    039        public Link createPageRenderLink(Class pageClass)
    040        {
    041            return createPageRenderLink(toPageName(pageClass));
    042        }
    043
    044        public Link createPageRenderLink(String pageName)
    045        {
    046            return linkSource.createPageRenderLink(pageName, false);
    047        }
    048
    049        public Link createPageRenderLinkWithContext(Class pageClass, Object... context)
    050        {
    051            return createPageRenderLinkWithContext(toPageName(pageClass), context);
    052        }
    053
    054        public Link createPageRenderLinkWithContext(Class pageClass, EventContext eventContext)
    055        {
    056            return createPageRenderLinkWithContext(toPageName(pageClass), eventContext);
    057        }
    058
    059        public Link createPageRenderLinkWithContext(String pageName, Object... context)
    060        {
    061            return linkSource.createPageRenderLink(pageName, true, context);
    062        }
    063
    064        public Link createPageRenderLinkWithContext(String pageName, EventContext eventContext)
    065        {
    066            int count = eventContext.getCount();
    067
    068            Object[] pageActivationContext = new Object[count];
    069
    070            for(int i = 0; i < count; i++)
    071                pageActivationContext[i] = eventContext.get(Object.class, i);
    072
    073            return linkSource.createPageRenderLink(pageName, true, pageActivationContext);
    074        }
    075
    076    }