com.sun.enterprise.universal.SystemProps Maven / Gradle / Ivy
/*
* Copyright (c) 2008, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
/*
* SystemProps.java
*
* Created on October 2, 2001, 2:53 PM
*/
package com.sun.enterprise.universal;
import java.util.*;
import com.sun.enterprise.util.StringUtils;
/**
*
* @author bnevins
* @version
*/
public class SystemProps
{
public static List get()
{
Properties p = System.getProperties();
// these 2 lines woul;d be nice -- but it's case-sensitive...
//Map sortedMap = new TreeMap(p);
//Set sortedSet = sortedMap.entrySet();
Set> set = p.entrySet();
List list = new ArrayList(set);
Collections.sort(list, new Comparator()
{
public int compare(Map.Entry me1, Map.Entry me2)
{
return ((String)me1.getKey()).compareToIgnoreCase((String)me2.getKey());
}
});
return list;
}
///////////////////////////////////////////////////////////////////////////
public static String toStringStatic()
{
int longestKey = 0;
List list = get();
StringBuffer sb = new StringBuffer();
/* Go through the list twice.
* The first time through gets the maximum length entry
* The second time through uses that info for 'pretty printing'
*/
for(Map.Entry entry : list)
{
int len = ((String)entry.getKey()).length();
if(len > longestKey)
longestKey = len;
}
longestKey += 1;
for(Map.Entry entry : list)
{
sb.append(StringUtils.padRight((String)entry.getKey(), longestKey));
sb.append("= ");
sb.append((String)entry.getValue());
sb.append("\n");
}
return sb.toString();
}
///////////////////////////////////////////////////////////////////////////
private SystemProps()
{
}
///////////////////////////////////////////////////////////////////////////
public static void main(String[] args)
{
System.out.println(toStringStatic());
}
}