    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
    015    package org.apache.tapestry5.internal.parser;
    016
    017    import org.apache.tapestry5.ioc.Location;
    018    import org.apache.tapestry5.ioc.Resource;
    019    import org.apache.tapestry5.ioc.internal.util.CollectionFactory;
    020    import static org.apache.tapestry5.ioc.internal.util.CollectionFactory.newList;
    021    import org.apache.tapestry5.ioc.internal.util.InternalUtils;
    022
    023    import java.util.List;
    024    import java.util.Map;
    025
    026    public 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    }