package ij.plugin;
import ij.*;
import ij.text.*;
import ij.io.OpenDialog;
import java.awt.*;
import java.util.*;
import java.applet.Applet;
/** Displays the Java system properties in a text window. */
public class JavaProperties implements PlugIn {
StringBuffer sb = new StringBuffer();
public void run(String arg) {
sb.append("\n");
sb.append("Java properties applets can read:\n");
show("java.version");
show("java.vendor");
if (IJ.isMacintosh()) show("mrj.version");
show("os.name");
show("os.version");
show("os.arch");
show("file.separator");
show("path.separator");
String s = System.getProperty("line.separator");
char ch1, ch2;
String str1, str2="";
ch1 = s.charAt(0);
if (ch1=='\r')
str1 = "<cr>";
else
str1 = "<lf>";
if (s.length()==2) {
ch2 = s.charAt(1);
if (ch2=='\r')
str2 = "<cr>";
else
str2 = "<lf>";
}
sb.append(" line.separator: " + str1 + str2+"\n");
Applet applet = IJ.getApplet();
if (applet!=null) {
sb.append("\n");
sb.append(" code base: "+applet.getCodeBase()+"\n");
sb.append(" document base: "+applet.getDocumentBase()+"\n");
sb.append(" sample images dir: "+Prefs.getImagesURL()+"\n");
TextWindow tw = new TextWindow("Properties", new String(sb), 400, 400);
return;
}
sb.append("\n");
sb.append("Java properties only applications can read:\n");
show("user.name");
show("user.home");
show("user.dir");
show("user.country");
show("file.encoding");
show("java.home");
show("java.compiler");
show("java.class.path");
show("java.ext.dirs");
show("java.io.tmpdir");
sb.append("\n");
sb.append("Other properties:\n");
String userDir = System.getProperty("user.dir");
String userHome = System.getProperty("user.home");
String osName = System.getProperty("os.name");
sb.append(" IJ.getVersion: "+IJ.getVersion()+"\n");
sb.append(" IJ.isJava2: "+IJ.isJava2()+"\n");
sb.append(" IJ.isJava14: "+IJ.isJava14()+"\n");
sb.append(" IJ.isJava15: "+IJ.isJava15()+"\n");
sb.append(" IJ.isJava16: "+IJ.isJava16()+"\n");
sb.append(" IJ.isLinux: "+IJ.isLinux()+"\n");
sb.append(" IJ.isMacintosh: "+IJ.isMacintosh()+"\n");
sb.append(" IJ.isMacOSX: "+IJ.isMacOSX()+"\n");
sb.append(" IJ.isWindows: "+IJ.isWindows()+"\n");
sb.append(" IJ.isVista: "+IJ.isVista()+"\n");
sb.append(" IJ.is64Bit: "+IJ.is64Bit()+"\n");
sb.append(" Menus.getPlugInsPath: "+Menus.getPlugInsPath()+"\n");
sb.append(" Menus.getMacrosPath: "+Menus.getMacrosPath()+"\n");
sb.append(" Prefs.getHomeDir: "+Prefs.getHomeDir()+"\n");
sb.append(" Prefs.getThreads: "+Prefs.getThreads()+cores());
sb.append(" Prefs.open100Percent: "+Prefs.open100Percent+"\n");
sb.append(" Prefs.blackBackground: "+Prefs.blackBackground+"\n");
sb.append(" Prefs.useJFileChooser: "+Prefs.useJFileChooser+"\n");
sb.append(" Prefs.weightedColor: "+Prefs.weightedColor+"\n");
sb.append(" Prefs.blackCanvas: "+Prefs.blackCanvas+"\n");
sb.append(" Prefs.pointAutoMeasure: "+Prefs.pointAutoMeasure+"\n");
sb.append(" Prefs.pointAutoNextSlice: "+Prefs.pointAutoNextSlice+"\n");
sb.append(" Prefs.requireControlKey: "+Prefs.requireControlKey+"\n");
sb.append(" Prefs.useInvertingLut: "+Prefs.useInvertingLut+"\n");
sb.append(" Prefs.antialiasedTools: "+Prefs.antialiasedTools+"\n");
sb.append(" Prefs.useInvertingLut: "+Prefs.useInvertingLut+"\n");
sb.append(" Prefs.intelByteOrder: "+Prefs.intelByteOrder+"\n");
sb.append(" Prefs.doubleBuffer: "+Prefs.doubleBuffer+"\n");
sb.append(" Prefs.noPointLabels: "+Prefs.noPointLabels+"\n");
sb.append(" Prefs.disableUndo: "+Prefs.disableUndo+"\n");
sb.append(" Prefs dir: "+Prefs.getPrefsDir()+"\n");
sb.append(" Current dir: "+OpenDialog.getDefaultDirectory()+"\n");
sb.append(" Sample images dir: "+Prefs.getImagesURL()+"\n");
Dimension d = IJ.getScreenSize();
sb.append(" Screen size: " + d.width + "x" + d.height+"\n");
sb.append(" Memory in use: "+IJ.freeMemory()+"\n");
if (IJ.altKeyDown())
doFullDump();
TextWindow tw = new TextWindow("Properties", new String(sb), 400, 500);
}
String cores() {
int cores = Runtime.getRuntime().availableProcessors();
if (cores==1)
return " (1 core)\n";
else
return " ("+cores+" cores)\n";
}
void show(String property) {
String p = System.getProperty(property);
if (p!=null)
sb.append(" " + property + ": " + p+"\n");
}
void doFullDump() {
sb.append("\n");
sb.append("All Properties:\n");
Properties props = System.getProperties();
for (Enumeration en=props.keys(); en.hasMoreElements();) {
String key = (String)en.nextElement();
sb.append(" "+key+": "+(String)props.get(key)+"\n");
}
}
}