    1   /*
    2    * $Header$
    3    * $Revision$
    4    * $Date$
    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   * $Id$
    60   */
    61
    62
    63
    64
    65  package org.jaxen.saxpath.base;
    66
    67  import java.util.Iterator;
    68  import java.util.LinkedList;
    69  import java.util.List;
    70
    71  import org.jaxen.saxpath.XPathHandler;
    72
    73  class ConformanceXPathHandler implements XPathHandler
    74  {
    75      private List events;
    76
    77      ConformanceXPathHandler()
    78      {
    79          this.events = new LinkedList();
    80      }
    81
    82      public void startXPath()
    83      {
    84          addEvent( "startXPath()" );
    85      }
    86
    87      public void endXPath()
    88      {
    89          addEvent( "endXPath()" );
    90      }
    91
    92      public void startPathExpr()
    93      {
    94          addEvent( "startPathExpr()" );
    95      }
    96
    97      public void endPathExpr()
    98      {
    99          addEvent( "endPathExpr()" );
    100     }
    101
    102     public void startAbsoluteLocationPath()
    103     {
    104         addEvent( "startAbsoluteLocationPath()" );
    105     }
    106     public void endAbsoluteLocationPath()
    107     {
    108         addEvent( "endAbsoluteLocationPath()" );
    109     }
    110
    111     public void startRelativeLocationPath()
    112     {
    113         addEvent( "startRelativeLocationPath()" );
    114     }
    115
    116     public void endRelativeLocationPath()
    117     {
    118         addEvent( "endRelativeLocationPath()" );
    119     }
    120
    121     public void startNameStep(int axis,
    122                               String prefix,
    123                               String localName)
    124     {
    125         addEvent( "startNameStep(" + axis + ", \"" + prefix + "\", \"" + localName + "\")" );
    126     }
    127
    128     public void endNameStep()
    129     {
    130         addEvent( "endNameStep()" );
    131     }
    132
    133     public void startTextNodeStep(int axis)
    134     {
    135         addEvent( "startTextNodeStep(" + axis + ")" );
    136     }
    137     public void endTextNodeStep()
    138     {
    139         addEvent( "endTextNodeStep()" );
    140     }
    141
    142     public void startCommentNodeStep(int axis)
    143     {
    144         addEvent( "startCommentNodeStep(" + axis + ")" );
    145     }
    146
    147     public void endCommentNodeStep()
    148     {
    149         addEvent( "endCommentNodeStep()" );
    150     }
    151
    152     public void startAllNodeStep(int axis)
    153     {
    154         addEvent( "startAllNodeStep(" + axis + ")" );
    155     }
    156
    157     public void endAllNodeStep()
    158     {
    159         addEvent( "endAllNodeStep()" );
    160     }
    161
    162     public void startProcessingInstructionNodeStep(int axis,
    163                                                    String name)
    164     {
    165         addEvent( "startProcessingInstructionNodeStep(" + axis + ", \"" + name + "\")" );
    166     }
    167     public void endProcessingInstructionNodeStep()
    168     {
    169         addEvent( "endProcessingInstructionNodeStep()" );
    170     }
    171
    172     public void startPredicate()
    173     {
    174         addEvent( "startPredicate()" );
    175     }
    176
    177     public void endPredicate()
    178     {
    179         addEvent( "endPredicate()" );
    180     }
    181
    182     public void startFilterExpr()
    183     {
    184         addEvent( "startFilterExpr()" );
    185     }
    186
    187     public void endFilterExpr()
    188     {
    189         addEvent( "endFilterExpr()" );
    190     }
    191
    192     public void startOrExpr()
    193     {
    194         addEvent( "startOrExpr()" );
    195     }
    196
    197     public void endOrExpr(boolean create)
    198     {
    199         addEvent( "endOrExpr(" + create + ")" );
    200     }
    201
    202     public void startAndExpr()
    203     {
    204         addEvent( "startAndExpr()" );
    205     }
    206
    207     public void endAndExpr(boolean create)
    208     {
    209         addEvent( "endAndExpr(" + create + ")" );
    210     }
    211
    212     public void startEqualityExpr()
    213     {
    214         addEvent( "startEqualityExpr()" );
    215     }
    216
    217     public void endEqualityExpr(int operator)
    218     {
    219         addEvent( "endEqualityExpr(" + operator + ")" );
    220     }
    221
    222     public void startRelationalExpr()
    223     {
    224         addEvent( "startRelationalExpr()" );
    225     }
    226
    227     public void endRelationalExpr(int operator)
    228     {
    229         addEvent( "endRelationalExpr(" + operator + ")" );
    230     }
    231
    232     public void startAdditiveExpr()
    233     {
    234         addEvent( "startAdditiveExpr()" );
    235     }
    236
    237     public void endAdditiveExpr(int operator)
    238     {
    239         addEvent( "endAdditiveExpr(" + operator + ")" );
    240     }
    241
    242     public void startMultiplicativeExpr()
    243     {
    244         addEvent( "startMultiplicativeExpr()" );
    245     }
    246
    247     public void endMultiplicativeExpr(int operator)
    248     {
    249         addEvent( "endMultiplicativeExpr(" + operator + ")" );
    250     }
    251
    252     public void startUnaryExpr()
    253     {
    254         addEvent( "startUnaryExpr()" );
    255     }
    256
    257     public void endUnaryExpr(int operator)
    258     {
    259         addEvent( "endUnaryExpr(" + operator + ")" );
    260     }
    261
    262     public void startUnionExpr()
    263     {
    264         addEvent( "startUnionExpr()" );
    265     }
    266
    267     public void endUnionExpr(boolean create)
    268     {
    269         addEvent( "endUnionExpr(" + create + ")" );
    270     }
    271
    272     public void number(int number)
    273     {
    274         addEvent( "number(" + number + ")" );
    275     }
    276
    277     public void number(double number)
    278     {
    279         addEvent( "number(" + number + ")" );
    280     }
    281
    282     public void literal(String literal)
    283     {
    284         addEvent( "literal(\"" + literal + "\")" );
    285     }
    286
    287     public void variableReference(String prefix,
    288                                   String variableName)
    289     {
    290         addEvent( "variableReference(\"" + prefix + ":" + variableName + "\")" );
    291     }
    292
    293     public void startFunction(String prefix,
    294                               String functionName)
    295     {
    296         addEvent( "startFunction(\"" + prefix + ":" + functionName + "\")" );
    297     }
    298
    299     public void endFunction()
    300     {
    301         addEvent( "endFunction()" );
    302     }
    303
    304     private void addEvent(String eventStr)
    305     {
    306         this.events.add( eventStr );
    307     }
    308
    309     public boolean equals(Object thatObj)
    310     {
    311         if ( thatObj instanceof ConformanceXPathHandler )
    312         {
    313             ConformanceXPathHandler that = (ConformanceXPathHandler) thatObj;
    314
    315             return ( this.events.equals( that.events ) );
    316         }
    317
    318         return false;
    319     }
    320
    321     public int hashCode() {
    322         return this.events.hashCode();
    323     }
    324
    325
    326     public String toString()
    327     {
    328         Iterator eventIter = this.events.iterator();
    329         int      i = 0;
    330
    331         StringBuffer buf = new StringBuffer();
    332
    333         while( eventIter.hasNext() )
    334         {
    335             buf.append("(").append(i).append(") ").append( eventIter.next().toString() ).append("\n");
    336             ++i;
    337         }
    338
    339         return buf.toString();
    340     }
    341 }