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.List;
023import java.util.Map;
024
025public class ComponentTemplateImpl implements ComponentTemplate
026{
027    private final Resource resource;
028
029    private final List<TemplateToken> tokens;
030
031    private final Map<String, Location> componentIds;
032
033    private final boolean extension, strictMixinParameters;
034
035    private final Map<String, List<TemplateToken>> overrides;
036
037    /**
038     * @param resource
039     *         the resource from which the template was parsed
040     * @param tokens
041     *         the tokens of the template, a copy of this list will be made
042     * @param componentIds
043     *         ids of components defined in the template
044     * @param extension
045     *         if this template is an extension of a parent-class template
046     * @param strictMixinParameters
047     *         if the template was parsed with the 5.4 DTD and is strict
048     *         about mixin parameters being fully qualified
049     * @param overrides
050     *         id to list of tokens for that override
051     */
052    public ComponentTemplateImpl(Resource resource, List<TemplateToken> tokens,
053                                 Map<String, Location> componentIds, boolean extension,
054                                 boolean strictMixinParameters, Map<String, List<TemplateToken>> overrides)
055    {
056        this.resource = resource;
057        this.extension = extension;
058        this.strictMixinParameters = strictMixinParameters;
059        this.overrides = overrides;
060        this.tokens = newList(tokens);
061        this.componentIds = CollectionFactory.newMap(componentIds);
062    }
063
064    public Resource getResource()
065    {
066        return resource;
067    }
068
069    public List<TemplateToken> getTokens()
070    {
071        return tokens;
072    }
073
074    public Map<String, Location> getComponentIds()
075    {
076        return componentIds;
077    }
078
079    public boolean usesStrictMixinParameters()
080    {
081        return strictMixinParameters;
082    }
083
084    /**
085     * Returns false.
086     */
087    public boolean isMissing()
088    {
089        return false;
090    }
091
092    public List<TemplateToken> getExtensionPointTokens(String extensionPointId)
093    {
094        return InternalUtils.get(overrides, extensionPointId);
095    }
096
097    public boolean isExtension()
098    {
099        return extension;
100    }
101}