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    1   /*
    2    * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/pattern/NameTest.java,v 1.6 2005/06/28 13:44:44 elharo Exp $
    3    * $Revision: 1.6 $
    4    * $Date: 2005/06/28 13:44:44 $
    5    *
    6    * ====================================================================
    7    *
    8    * Copyright (C) 2000-2002 bob mcwhirter & James Strachan.
    9    * All rights reserved.
    10   *
    11   * Redistribution and use in source and binary forms, with or without
    12   * modification, are permitted provided that the following conditions
    13   * are met:
    14   *
    15   * 1. Redistributions of source code must retain the above copyright
    16   *    notice, this list of conditions, and the following disclaimer.
    17   *
    18   * 2. Redistributions in binary form must reproduce the above copyright
    19   *    notice, this list of conditions, and the disclaimer that follows
    20   *    these conditions in the documentation and/or other materials
    21   *    provided with the distribution.
    22   *
    23   * 3. The name "Jaxen" must not be used to endorse or promote products
    24   *    derived from this software without prior written permission.  For
    25   *    written permission, please contact license@jaxen.org.
    26   *
    27   * 4. Products derived from this software may not be called "Jaxen", nor
    28   *    may "Jaxen" appear in their name, without prior written permission
    29   *    from the Jaxen Project Management (pm@jaxen.org).
    30   *
    31   * In addition, we request (but do not require) that you include in the
    32   * end-user documentation provided with the redistribution and/or in the
    33   * software itself an acknowledgement equivalent to the following:
    34   *     "This product includes software developed by the
    35   *      Jaxen Project <http://www.jaxen.org/>."
    36   * Alternatively, the acknowledgment may be graphical using the logos
    37   * available at http://www.jaxen.org/
    38   *
    39   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
    40   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
    41   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
    42   * DISCLAIMED.  IN NO EVENT SHALL THE Jaxen AUTHORS OR THE PROJECT
    43   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    44   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    45   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
    46   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
    47   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
    48   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
    49   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    50   * SUCH DAMAGE.
    51   *
    52   * ====================================================================
    53   * This software consists of voluntary contributions made by many
    54   * individuals on behalf of the Jaxen Project and was originally
    55   * created by bob mcwhirter <bob@werken.com> and
    56   * James Strachan <jstrachan@apache.org>.  For more information on the
    57   * Jaxen Project, please see <http://www.jaxen.org/>.
    58   *
    59   * $Id: NameTest.java,v 1.6 2005/06/28 13:44:44 elharo Exp $
    60   */
    61
    62  package org.jaxen.pattern;
    63
    64  import org.jaxen.Context;
    65  import org.jaxen.Navigator;
    66
    67  /*** <p><code>NameTest</code> tests for a node name.</p>
    68    *
    69    * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
    70    * @version $Revision: 1.6 $
    71    */
    72  public class NameTest extends NodeTest {
    73
    74      /*** The name to match against */
    75      private String name;
    76
    77      /*** The type of node to match - either attribute or element */
    78      private short nodeType;
    79
    80      public NameTest(String name, short nodeType)
    81      {
    82          this.name = name;
    83          this.nodeType = nodeType;
    84      }
    85
    86      /*** @return true if the pattern matches the given node
    87        */
    88      public boolean matches( Object node, Context context )
    89      {
    90          Navigator navigator = context.getNavigator();
    91          if ( nodeType == Pattern.ELEMENT_NODE )
    92          {
    93              return navigator.isElement( node )
    94                  && name.equals( navigator.getElementName( node ) );
    95          }
    96          else if ( nodeType == Pattern.ATTRIBUTE_NODE )
    97          {
    98              return navigator.isAttribute( node )
    99                  && name.equals( navigator.getAttributeName( node ) );
    100         }
    101         else
    102         {
    103             if ( navigator.isElement( node ) )
    104             {
    105                 return name.equals( navigator.getElementName( node ) );
    106             }
    107             else
    108             if ( navigator.isAttribute( node ) )
    109             {
    110                 return name.equals( navigator.getAttributeName( node ) );
    111             }
    112         }
    113         return false;
    114     }
    115
    116     public double getPriority()
    117     {
    118         return 0.0;
    119     }
    120
    121
    122     public short getMatchType()
    123     {
    124         return nodeType;
    125     }
    126
    127     public String getText()
    128     {
    129         if ( nodeType == Pattern.ATTRIBUTE_NODE )
    130         {
    131             return "@" + name;
    132         }
    133         else
    134         {
    135             return name;
    136         }
    137     }
    138
    139     public String toString()
    140     {
    141         return super.toString() + "[ name: " + name + " type: " + nodeType + " ]";
    142     }
    143 }