/**
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2005 Sun Microsystems Inc. All Rights Reserved
*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the License). You may not use this file except in
* compliance with the License.
*
* You can obtain a copy of the License at
* https://opensso.dev.java.net/public/CDDLv1.0.html or
* opensso/legal/CDDLv1.0.txt
* See the License for the specific language governing
* permission and limitations under the License.
*
* When distributing Covered Code, include this CDDL
* Header Notice in each file and include the License file
* at opensso/legal/CDDLv1.0.txt.
* If applicable, add the following below the CDDL Header,
* with the fields enclosed by brackets [] replaced by
* your own identifying information:
* "Portions Copyrighted [year] [name of copyright owner]"
*
* $Id: CaseInsensitiveProperties.java,v 1.2 2008/06/25 05:42:25 qcheng Exp $
*
*/
package com.sun.identity.common;
import java.util.Enumeration;
import java.util.Iterator;
import java.util.Properties;
import java.util.Set;
/**
* A case insensitive Properties with case preservation. If key is a String, a
* case insensitive hash code is used for hashing but original case of the key
* is preserved.
*/
public class CaseInsensitiveProperties extends Properties {
static class CaseInsensitiveEnumeration implements Enumeration {
Enumeration mEnum = null;
public CaseInsensitiveEnumeration(Enumeration en) {
mEnum = en;
}
public boolean hasMoreElements() {
boolean ans = false;
if (mEnum != null) {
ans = mEnum.hasMoreElements();
}
return ans;
}
public Object nextElement() {
Object ans = null;
if (mEnum != null) {
Object nextElem = mEnum.nextElement();
if (nextElem instanceof CaseInsensitiveKey) {
ans = nextElem.toString();
} else {
ans = nextElem;
}
}
return ans;
}
}
public CaseInsensitiveProperties() {
super();
}
public CaseInsensitiveProperties(Properties defaults) {
super(defaults);
}
public String getProperty(String key) {
return (String) super.get(new CaseInsensitiveKey(key));
}
public Object setProperty(String key, String value) {
return super.put(new CaseInsensitiveKey(key), value);
}
public boolean containsKey(Object key) {
boolean retval;
if (key instanceof String) {
CaseInsensitiveKey ciKey = new CaseInsensitiveKey((String) key);
retval = super.containsKey(ciKey);
} else {
retval = super.containsKey(key);
}
return retval;
}
public Object get(Object key) {
Object retval;
if (key instanceof String) {
CaseInsensitiveKey ciKey = new CaseInsensitiveKey((String) key);
retval = super.get(ciKey);
} else {
retval = super.get(key);
}
return retval;
}
/**
* @return a case insensitive hash set of keys.
*/
public Set keySet() {
Set keys = super.keySet();
CaseInsensitiveHashSet ciSet = new CaseInsensitiveHashSet();
Iterator iter = keys.iterator();
while (iter.hasNext()) {
// keys are already CaseInsensitiveKey's so we can just add it.
ciSet.add(iter.next());
}
return ciSet;
}
/*
* @return an Enumeration of keys as String objects even though they were
* internally stored as case insensitive strings.
*/
public Enumeration keys() {
return new CaseInsensitiveEnumeration(super.keys());
}
/*
* @return an Enumeration of property names as String objects even though
* they were internally stored as case insensitive strings.
*/
public Enumeration propertyNames() {
return new CaseInsensitiveEnumeration(super.propertyNames());
}
public Object put(Object key, Object value) {
Object retval;
if (key instanceof String) {
CaseInsensitiveKey ciKey = new CaseInsensitiveKey((String) key);
retval = super.put(ciKey, value);
} else {
retval = super.put(key, value);
}
return retval;
}
public Object remove(Object key) {
Object retval;
if (key instanceof String) {
CaseInsensitiveKey ciKey = new CaseInsensitiveKey((String) key);
retval = super.remove(ciKey);
} else {
retval = super.remove(key);
}
return retval;
}
}