001// Copyright 2006, 2008, 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.parser;
016
017import org.apache.tapestry5.ioc.Location;
018import org.apache.tapestry5.ioc.Resource;
019import org.apache.tapestry5.ioc.internal.util.CollectionFactory;
020import static org.apache.tapestry5.ioc.internal.util.CollectionFactory.newList;
021import org.apache.tapestry5.ioc.internal.util.InternalUtils;
022
023import java.util.List;
024import java.util.Map;
025
026public class ComponentTemplateImpl implements ComponentTemplate
027{
028    private final Resource resource;
029
030    private final List<TemplateToken> tokens;
031
032    private final Map<String, Location> componentIds;
033
034    private final boolean extension;
035
036    private final Map<String, List<TemplateToken>> overrides;
037
038    /**
039     * @param resource     the resource from which the template was parsed
040     * @param tokens       the tokens of the template, a copy of this list will be made
041     * @param componentIds ids of components defined in the template
042     * @param extension
043     * @param overrides    id to list of tokens for that override
044     */
045    public ComponentTemplateImpl(Resource resource, List<TemplateToken> tokens,
046                                 Map<String, Location> componentIds, boolean extension,
047                                 Map<String, List<TemplateToken>> overrides)
048    {
049        this.resource = resource;
050        this.extension = extension;
051        this.overrides = overrides;
052        this.tokens = newList(tokens);
053        this.componentIds = CollectionFactory.newMap(componentIds);
054    }
055
056    public Resource getResource()
057    {
058        return resource;
059    }
060
061    public List<TemplateToken> getTokens()
062    {
063        return tokens;
064    }
065
066    public Map<String, Location> getComponentIds()
067    {
068        return componentIds;
069    }
070
071    /**
072     * Returns false.
073     */
074    public boolean isMissing()
075    {
076        return false;
077    }
078
079    public List<TemplateToken> getExtensionPointTokens(String extensionPointId)
080    {
081        return InternalUtils.get(overrides, extensionPointId);
082    }
083
084    public boolean isExtension()
085    {
086        return extension;
087    }
088}