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
015package org.apache.tapestry5.internal.services;
016
017import org.apache.tapestry5.services.PageRenderLinkSource;
018import org.apache.tapestry5.services.ComponentClassResolver;
019import org.apache.tapestry5.EventContext;
020import org.apache.tapestry5.http.Link;
021
022public 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}