Re: searching the path

In article <dginf7dcgvaeufvrqo4c6ukgbfmuplkl74@4ax.com>,
 Roedy Green <see_website@mindprod.com.invalid> wrote:


Code:

import java.util.*;

public class SystemProperties {

    private static final char ESC = '\u001b';

    public static void main(String[] args) {
        Properties p = System.getProperties();
        List<String> keys = new ArrayList<String>(p.size());
        sortKeys(p, keys);
        List<String> text = new ArrayList<String>();
        for (String key : keys) {
            String name = ESC + "[1m" + key + ESC + "[0m: ";
            String property = escape(p.getProperty(key));
            System.out.println(name + property);
        }
    }

    private static int sortKeys(Properties p, List<String> keys) {
        int maxLength = 0;
        Enumeration e = p.propertyNames();
        while (e.hasMoreElements()) {
            String key = (String) e.nextElement();
            keys.add(key);
            maxLength = Math.max(key.length(), maxLength);
        }
        Collections.sort(keys);
        return maxLength;
    }

    private static String escape(String s) {
        if (s == null) {
            return "\\u0000";
        }
        StringBuilder sb = new StringBuilder();
        for (char ch : s.toCharArray()) {
            if (ch < ' ') {
                sb.append("\\u00");
                sb.append(Integer.toHexString(ch / 0xff));
                sb.append(Integer.toHexString(ch % 0xff));
            } else {
                sb.append(ch);
            }
        }
        return sb.toString();
    }
}

Console (edited):

awt.nativeDoubleBuffering: true
awt.toolkit: apple.awt.CToolkit
file.encoding: MacRoman
file.encoding.pkg: sun.io
file.separator: /
ftp.nonProxyHosts: local|*.local|169.254/16|*.169.254/16
gopherProxySet: false
http.nonProxyHosts: local|*.local|169.254/16|*.169.254/16
http.proxyHost: 127.0.0.1
http.proxyPort: 8228
java.awt.graphicsenv: apple.awt.CGraphicsEnvironment
java.awt.printerjob: apple.awt.CPrinterJob
java.class.path: /Users/roedy/src/java/props/SystemProperties.jar
java.class.version: 50.0
java.endorsed.dirs:
  /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home/lib/endorsed
java.ext.dirs:
  /Users/roedy/Library/Java/Extensions:
  /Library/Java/Extensions:
  /System/Library/Java/Extensions:
  /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home/lib/ext
java.home: /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home
java.io.tmpdir: /var/folders/Te/TeG88CamFjSlBK4rjkNL+E+++TI/-Tmp-/
java.library.path: .:
  /Users/roedy/Library/Java/Extensions:
  /Library/Java/Extensions:
  /System/Library/Java/Extensions:
  /usr/lib/java
java.runtime.name: Java(TM) SE Runtime Environment
java.runtime.version: 1.6.0_26-b03-384-9M3425
java.specification.name: Java Platform API Specification
java.specification.vendor: Sun Microsystems Inc.
java.specification.version: 1.6
java.vendor: Apple Inc.
java.vendor.url: http://www.apple.com/
java.vendor.url.bug: http://bugreport.apple.com/
java.version: 1.6.0_26
java.vm.info: mixed mode
java.vm.name: Java HotSpot(TM) 64-Bit Server VM
java.vm.specification.name: Java Virtual Machine Specification
java.vm.specification.vendor: Sun Microsystems Inc.
java.vm.specification.version: 1.0
java.vm.vendor: Apple Inc.
java.vm.version: 20.1-b02-384
line.separator: \u000a
mrj.build: 9M3425
mrj.version: 1050.1.6.0_26-384
os.arch: x86_64
os.name: Mac OS X
os.version: 10.5.8
path.separator: :
socksNonProxyHosts: local|*.local|169.254/16|*.169.254/16
sun.arch.data.model: 64
sun.boot.class.path:
  /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Classes/jsfd.jar:
  /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Classes/classes.jar:
  /System/Library/Frameworks/JavaVM.framework/Frameworks/JavaRuntimeSupport.framework/Resources/Java/JavaRuntimeSupport.jar:
  /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Classes/ui.jar:
  /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Classes/laf.jar:
  /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Classes/sunrsasign.jar:
  /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Classes/jsse.jar:
  /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Classes/jce.jar:
  /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Classes/charsets.jar
sun.boot.library.path: /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Libraries
sun.cpu.endian: little
sun.cpu.isalist:
sun.io.unicode.encoding: UnicodeLittle
sun.java.command: /Users/roedy/src/java/props/SystemProperties.jar
sun.java.launcher: SUN_STANDARD
sun.jnu.encoding: MacRoman
sun.management.compiler: HotSpot 64-Bit Tiered Compilers
sun.os.patch.level: unknown
user.country: US
user.dir: /Users/roedy
user.home: /Users/roedy
user.language: en
user.name: roedy
user.timezone:

--
John B. Matthews
trashgod at gmail dot com
<http://sites.google.com/site/drjohnbmatthews>