    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}