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FrameComponent.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.vinci.transport;

import org.apache.vinci.debug.Debug;

/**
 * Base class for components that can be included in Frame documents. Descendents currently include
 * only FrameLeaf and Frame.
 */
00028 public class FrameComponent {
  /**
   * Set the attributes (replacing any previous ones) assocated with this Frame component. Default
   * implementation does nothing since attributes are not supported by default.
   */
00033   public void setAttributes(Attributes s) {
    Debug.p("WARNING: Attempt to set attributes of FrameComponent "
            + "which does not support them. Attribute info will be lost.");
  }

  /**
   * Get the attributes associated with this FrameComponent.
   * 
   * @return The set of attributes associated with this FrameComponent. This method may return
   *         "null" to indicate there are no attributes. It could however return an empty Attribute
   *         set depending on the implementation.
   */
00045   public Attributes getAttributes() {
    return null;
  }

}

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