DefaultTagRegistry.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.shindig.gadgets.templates.tags;

import java.util.Map;
import java.util.Set;

import com.google.common.collect.Maps;
import com.google.inject.Inject;

/**
 * A registry of custom tag handlers, keyed by a combination of namespace URL
 * and tag name.
 */
public class DefaultTagRegistry extends AbstractTagRegistry {

  private final Map<NSName, TagHandler> handlers = Maps.newHashMap();

  @Inject
  public DefaultTagRegistry(Set<TagHandler> handlers) {
    for (TagHandler handler : handlers) {
      this.handlers.put(new NSName(handler.getNamespaceUri(), handler.getTagName()), handler);
    }    
  }
    
  public TagHandler getHandlerFor(NSName name) {
    return handlers.get(name);
  }
}