// Copyright 2007 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.tapestry.internal.services;
import static org.apache.tapestry.ioc.internal.util.CollectionFactory.newCaseInsensitiveMap;
import java.util.Collection;
import java.util.Map;
import org.apache.tapestry.Block;
import org.apache.tapestry.internal.structure.Page;
import org.apache.tapestry.services.BeanBlockContribution;
import org.apache.tapestry.services.BeanBlockSource;
public class BeanBlockSourceImpl implements BeanBlockSource
{
private final RequestPageCache _pageCache;
private final Map<String, BeanBlockContribution> _display = newCaseInsensitiveMap();
private final Map<String, BeanBlockContribution> _edit = newCaseInsensitiveMap();
public BeanBlockSourceImpl(RequestPageCache pageCache,
Collection<BeanBlockContribution> configuration)
{
_pageCache = pageCache;
for (BeanBlockContribution contribution : configuration)
{
Map<String, BeanBlockContribution> map = contribution.isEdit() ? _edit : _display;
// TODO: Check for conflicts?
map.put(contribution.getDataType(), contribution);
}
}
public boolean hasDisplayBlock(String datatype)
{
return _display.containsKey(datatype);
}
public Block getDisplayBlock(String datatype)
{
BeanBlockContribution contribution = _display.get(datatype);
if (contribution == null)
throw new RuntimeException(ServicesMessages.noDisplayForDataType(datatype));
return toBlock(contribution);
}
private Block toBlock(BeanBlockContribution contribution)
{
Page page = _pageCache.get(contribution.getPageName());
return page.getRootElement().getBlock(contribution.getBlockId());
}
public Block getEditBlock(String datatype)
{
BeanBlockContribution contribution = _edit.get(datatype);
if (contribution == null)
throw new RuntimeException(ServicesMessages.noEditForDataType(datatype));
return toBlock(contribution);
}
}