    001// Licensed under the Apache License, Version 2.0 (the "License");
    002// you may not use this file except in compliance with the License.
    003// You may obtain a copy of the License at
    004//
    005//     http://www.apache.org/licenses/LICENSE-2.0
    006//
    007// Unless required by applicable law or agreed to in writing, software
    008// distributed under the License is distributed on an "AS IS" BASIS,
    009// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    010// See the License for the specific language governing permissions and
    011// limitations under the License.
    012
    013package org.apache.tapestry5.internal.parser;
    014
    015import org.apache.tapestry5.commons.Location;
    016import org.apache.tapestry5.commons.Resource;
    017import org.apache.tapestry5.commons.util.CollectionFactory;
    018import org.apache.tapestry5.ioc.internal.util.InternalUtils;
    019
    020import static org.apache.tapestry5.commons.util.CollectionFactory.newList;
    021
    022import java.util.Collections;
    023import java.util.List;
    024import java.util.Map;
    025import java.util.Set;
    026
    027public class ComponentTemplateImpl implements ComponentTemplate
    028{
    029    private final Resource resource;
    030
    031    private final List<TemplateToken> tokens;
    032
    033    private final Map<String, Location> componentIds;
    034
    035    private final boolean extension, strictMixinParameters;
    036
    037    private final Map<String, List<TemplateToken>> overrides;
    038
    039    /**
    040     * @param resource
    041     *         the resource from which the template was parsed
    042     * @param tokens
    043     *         the tokens of the template, a copy of this list will be made
    044     * @param componentIds
    045     *         ids of components defined in the template
    046     * @param extension
    047     *         if this template is an extension of a parent-class template
    048     * @param strictMixinParameters
    049     *         if the template was parsed with the 5.4 DTD and is strict
    050     *         about mixin parameters being fully qualified
    051     * @param overrides
    052     *         id to list of tokens for that override
    053     */
    054    public ComponentTemplateImpl(Resource resource, List<TemplateToken> tokens,
    055                                 Map<String, Location> componentIds, boolean extension,
    056                                 boolean strictMixinParameters, Map<String, List<TemplateToken>> overrides)
    057    {
    058        this.resource = resource;
    059        this.extension = extension;
    060        this.strictMixinParameters = strictMixinParameters;
    061        this.overrides = overrides;
    062        this.tokens = newList(tokens);
    063        this.componentIds = CollectionFactory.newMap(componentIds);
    064    }
    065
    066    public Resource getResource()
    067    {
    068        return resource;
    069    }
    070
    071    public List<TemplateToken> getTokens()
    072    {
    073        return tokens;
    074    }
    075
    076    public Map<String, Location> getComponentIds()
    077    {
    078        return componentIds;
    079    }
    080
    081    public boolean usesStrictMixinParameters()
    082    {
    083        return strictMixinParameters;
    084    }
    085
    086    /**
    087     * Returns false.
    088     */
    089    public boolean isMissing()
    090    {
    091        return false;
    092    }
    093
    094    public List<TemplateToken> getExtensionPointTokens(String extensionPointId)
    095    {
    096        return InternalUtils.get(overrides, extensionPointId);
    097    }
    098
    099    public Set<String> getExtensionPointIds()
    100    {
    101        return overrides != null ? overrides.keySet() : Collections.emptySet();
    102    }
    103
    104    public boolean isExtension()
    105    {
    106        return extension;
    107    }
    108}