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    1   /*
    2    * $Id: ProxyAttrAdapter.java 471756 2006-11-06 15:01:43Z husted $
    3    *
    4    * Licensed to the Apache Software Foundation (ASF) under one
    5    * or more contributor license agreements.  See the NOTICE file
    6    * distributed with this work for additional information
    7    * regarding copyright ownership.  The ASF licenses this file
    8    * to you under the Apache License, Version 2.0 (the
    9    * "License"); you may not use this file except in compliance
    10   * with the License.  You may obtain a copy of the License at
    11   *
    12   *  http://www.apache.org/licenses/LICENSE-2.0
    13   *
    14   * Unless required by applicable law or agreed to in writing,
    15   * software distributed under the License is distributed on an
    16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    17   * KIND, either express or implied.  See the License for the
    18   * specific language governing permissions and limitations
    19   * under the License.
    20   */
    21  package org.apache.struts2.views.xslt;
    22
    23  import org.w3c.dom.Attr;
    24  import org.w3c.dom.DOMException;
    25  import org.w3c.dom.Element;
    26  import org.w3c.dom.TypeInfo;
    27
    28  /***
    29   * ProxyAttrAdapter is a pass-through adapter for objects which already
    30   * implement the Attr interface.  All methods are proxied to the underlying
    31   * Node except node traversal (e.g. getParent()) related methods which
    32   * are implemented by the abstract adapter node to work with the parent adapter.
    33   */
    34  public class ProxyAttrAdapter extends ProxyNodeAdapter implements Attr {
    35
    36      public ProxyAttrAdapter(AdapterFactory factory, AdapterNode parent, Attr value) {
    37          super(factory, parent, value);
    38      }
    39
    40      // convenience
    41      protected Attr attr() {
    42          return (Attr) getPropertyValue();
    43      }
    44
    45      // Proxied Attr methods
    46
    47      public String getName() {
    48          return attr().getName();
    49      }
    50
    51      public boolean getSpecified() {
    52          return attr().getSpecified();
    53      }
    54
    55      public String getValue() {
    56          return attr().getValue();
    57      }
    58
    59      public void setValue(String string) throws DOMException {
    60          throw new UnsupportedOperationException();
    61      }
    62
    63      public Element getOwnerElement() {
    64          return (Element) getParent();
    65      }
    66
    67      // DOM level 3
    68
    69      public TypeInfo getSchemaTypeInfo() {
    70          throw operationNotSupported();
    71      }
    72
    73      public boolean isId() {
    74          throw operationNotSupported();
    75      }
    76
    77      // end DOM level 3
    78
    79      // End Proxied Attr methods
    80
    81      public String toString() {
    82          return "ProxyAttribute for: " + attr();
    83      }
    84  }
    85