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    1   /*
    2    $Id: AntProjectPropertiesDelegate.java,v 1.1 2005/07/18 22:11:48 glaforge Exp $
    3
    4    Copyright 2005 (C) Guillaume Laforge. All Rights Reserved.
    5
    6    Redistribution and use of this software and associated documentation
    7    ("Software"), with or without modification, are permitted provided
    8    that the following conditions are met:
    9
    10   1. Redistributions of source code must retain copyright
    11      statements and notices.  Redistributions must also contain a
    12      copy of this document.
    13
    14   2. Redistributions in binary form must reproduce the
    15      above copyright notice, this list of conditions and the
    16      following disclaimer in the documentation and/or other
    17      materials provided with the distribution.
    18
    19   3. The name "groovy" must not be used to endorse or promote
    20      products derived from this Software without prior written
    21      permission of The Codehaus.  For written permission,
    22      please contact info@codehaus.org.
    23
    24   4. Products derived from this Software may not be called "groovy"
    25      nor may "groovy" appear in their names without prior written
    26      permission of The Codehaus. "groovy" is a registered
    27      trademark of The Codehaus.
    28
    29   5. Due credit should be given to The Codehaus -
    30      http://groovy.codehaus.org/
    31
    32   THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS
    33   ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
    34   NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
    35   FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
    36   THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
    37   INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
    38   (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
    39   SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    40   HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
    41   STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    42   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
    43   OF THE POSSIBILITY OF SUCH DAMAGE.
    44
    45   */
    46
    47  package org.codehaus.groovy.ant;
    48
    49  import org.apache.tools.ant.Project;
    50
    51  import java.util.Hashtable;
    52  import java.util.Collection;
    53  import java.util.Enumeration;
    54  import java.util.Map;
    55  import java.util.Set;
    56  import java.util.Iterator;
    57
    58  /***
    59   * @author Guillaume Laforge
    60   */
    61  public class AntProjectPropertiesDelegate extends Hashtable {
    62
    63      private Project project;
    64
    65      public AntProjectPropertiesDelegate(Project project) {
    66          super();
    67          this.project = project;
    68      }
    69
    70      public synchronized int hashCode() {
    71          return project.getProperties().hashCode();
    72      }
    73
    74      public synchronized int size() {
    75          return project.getProperties().size();
    76      }
    77
    78      /***
    79       * @throws UnsupportedOperationException is always thrown when this method is invoked. The Project properties are immutable.
    80       */
    81      public synchronized void clear() {
    82          throw new UnsupportedOperationException("Impossible to clear the project properties.");
    83      }
    84
    85      public synchronized boolean isEmpty() {
    86          return project.getProperties().isEmpty();
    87      }
    88
    89      public synchronized Object clone() {
    90          return project.getProperties().clone();
    91      }
    92
    93      public synchronized boolean contains(Object value) {
    94          return project.getProperties().contains(value);
    95      }
    96
    97      public synchronized boolean containsKey(Object key) {
    98          return project.getProperties().containsKey(key);
    99      }
    100
    101     public boolean containsValue(Object value) {
    102         return project.getProperties().containsValue(value);
    103     }
    104
    105     public synchronized boolean equals(Object o) {
    106         return project.getProperties().equals(o);
    107     }
    108
    109     public synchronized String toString() {
    110         return project.getProperties().toString();
    111     }
    112
    113     public Collection values() {
    114         return project.getProperties().values();
    115     }
    116
    117     public synchronized Enumeration elements() {
    118         return project.getProperties().elements();
    119     }
    120
    121     public synchronized Enumeration keys() {
    122         return project.getProperties().keys();
    123     }
    124
    125     public AntProjectPropertiesDelegate(Map t) {
    126         super(t);
    127     }
    128
    129     public synchronized void putAll(Map t) {
    130         Set keySet = t.keySet();
    131         for (Iterator iterator = keySet.iterator(); iterator.hasNext();) {
    132             Object key = iterator.next();
    133             Object value = t.get(key);
    134             put(key, value);
    135         }
    136     }
    137
    138     public Set entrySet() {
    139         return project.getProperties().entrySet();
    140     }
    141
    142     public Set keySet() {
    143         return project.getProperties().keySet();
    144     }
    145
    146     public synchronized Object get(Object key) {
    147         return project.getProperties().get(key);
    148     }
    149
    150     /***
    151      * @throws UnsupportedOperationException is always thrown when this method is invoked. The Project properties are immutable.
    152      */
    153     public synchronized Object remove(Object key) {
    154         throw new UnsupportedOperationException("Impossible to remove a property from the project properties.");
    155     }
    156
    157     public synchronized Object put(Object key, Object value) {
    158         Object oldValue = null;
    159         if (containsKey(key)) {
    160             oldValue = get(key);
    161         }
    162         project.setProperty(key.toString(), value.toString());
    163         return oldValue;
    164     }
    165 }