| 1 |
/* Created or Modified by J.M. Kruithof jmkf@users.sourceforge.net (c) 2002,
|
| 2 |
* This software may be based in whole, in part or not at all on software
|
| 3 |
* contributed to the Apache Software Foundation. It is licensed under exact
|
| 4 |
* the same license.
|
| 5 |
* The Apache Software foundation may or may not consider this software
|
| 6 |
* a voluntary contribution. This is at the opinion of the Apache Software
|
| 7 |
* foundation.
|
| 8 |
*
|
| 9 |
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
|
| 10 |
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
| 11 |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
| 12 |
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS OF THIS SOFTWARE
|
| 13 |
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
| 14 |
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
| 15 |
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
| 16 |
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
| 17 |
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
| 18 |
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
|
| 19 |
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
| 20 |
* SUCH DAMAGE.
|
| 21 |
*
|
| 22 |
* Licensed under the following conditions:
|
| 23 |
*/
|
| 24 |
/*
|
| 25 |
* The Apache Software License, Version 1.1
|
| 26 |
*
|
| 27 |
* Copyright (c) 2000 The Apache Software Foundation. All rights
|
| 28 |
* reserved.
|
| 29 |
*
|
| 30 |
* Redistribution and use in source and binary forms, with or without
|
| 31 |
* modification, are permitted provided that the following conditions
|
| 32 |
* are met:
|
| 33 |
*
|
| 34 |
* 1. Redistributions of source code must retain the above copyright
|
| 35 |
* notice, this list of conditions and the following disclaimer.
|
| 36 |
*
|
| 37 |
* 2. Redistributions in binary form must reproduce the above copyright
|
| 38 |
* notice, this list of conditions and the following disclaimer in
|
| 39 |
* the documentation and/or other materials provided with the
|
| 40 |
* distribution.
|
| 41 |
*
|
| 42 |
* 3. The end-user documentation included with the redistribution, if
|
| 43 |
* any, must include the following acknowlegement:
|
| 44 |
* "This product includes software developed by the
|
| 45 |
* Apache Software Foundation (http://www.apache.org/)."
|
| 46 |
* Alternately, this acknowlegement may appear in the software itself,
|
| 47 |
* if and wherever such third-party acknowlegements normally appear.
|
| 48 |
*
|
| 49 |
* 4. The names "The Jakarta Project", "Ant", and "Apache Software
|
| 50 |
* Foundation" must not be used to endorse or promote products derived
|
| 51 |
* from this software without prior written permission. For written
|
| 52 |
* permission, please contact apache@apache.org.
|
| 53 |
*
|
| 54 |
* 5. Products derived from this software may not be called "Apache"
|
| 55 |
* nor may "Apache" appear in their names without prior written
|
| 56 |
* permission of the Apache Group.
|
| 57 |
*
|
| 58 |
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
|
| 59 |
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
| 60 |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
| 61 |
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
|
| 62 |
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
| 63 |
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
| 64 |
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
| 65 |
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
| 66 |
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
| 67 |
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
|
| 68 |
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
| 69 |
* SUCH DAMAGE.
|
| 70 |
* ====================================================================
|
| 71 |
*
|
| 72 |
* This software consists of voluntary contributions made by many
|
| 73 |
* individuals on behalf of the Apache Software Foundation. For more
|
| 74 |
* information on the Apache Software Foundation, please see
|
| 75 |
* <http://www.apache.org/>.
|
| 76 |
*/
|
| 77 |
|
| 78 |
package sampleproject.util;
|
| 79 |
|
| 80 |
/**
|
| 81 |
*
|
| 82 |
* @author jkf
|
| 83 |
* @version
|
| 84 |
*/
|
| 85 |
public class UniqueString implements java.io.Serializable {
|
| 86 |
|
| 87 |
private java.lang.String myUniqueString;
|
| 88 |
|
| 89 |
private static java.util.HashMap myUniqueMap = new java.util.HashMap();
|
| 90 |
|
| 91 |
/** Creates new Unique */
|
| 92 |
private UniqueString(String unique) {
|
| 93 |
myUniqueString = new String(unique);
|
| 94 |
myUniqueMap.put(myUniqueString, this);
|
| 95 |
}
|
| 96 |
|
| 97 |
public static UniqueString getUniqueString(java.lang.String unique) {
|
| 98 |
if (myUniqueMap.containsKey(unique))
|
| 99 |
{
|
| 100 |
return (UniqueString) myUniqueMap.get(unique);
|
| 101 |
} else {
|
| 102 |
return new UniqueString(unique);
|
| 103 |
}
|
| 104 |
}
|
| 105 |
|
| 106 |
public int hashCode() {
|
| 107 |
return myUniqueString.hashCode();
|
| 108 |
}
|
| 109 |
|
| 110 |
public boolean equals(Object obj) {
|
| 111 |
if (obj == this) {
|
| 112 |
return true;
|
| 113 |
} else if (obj instanceof UniqueString)
|
| 114 |
{
|
| 115 |
return myUniqueString.equals(((UniqueString)obj).myUniqueString);
|
| 116 |
} else {
|
| 117 |
return myUniqueString.equals(obj);
|
| 118 |
}
|
| 119 |
}
|
| 120 |
|
| 121 |
public String toString() {
|
| 122 |
return myUniqueString;
|
| 123 |
}
|
| 124 |
|
| 125 |
private Object readResolve() throws java.io.ObjectStreamException {
|
| 126 |
return getUniqueString(myUniqueString);
|
| 127 |
}
|
| 128 |
|
| 129 |
public class UniqueInner {
|
| 130 |
public String toString() {
|
| 131 |
return myUniqueString;
|
| 132 |
}
|
| 133 |
}
|
| 134 |
}
|