|
JavaProperties |
|
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"); String prefsDir = osName.indexOf("Windows",0)>-1?userDir:userHome; if (IJ.isMacOSX()) prefsDir = prefsDir + "/Library/Preferences"; sb.append(" version: "+IJ.getInstance().VERSION+"\n"); sb.append(" java 2: "+IJ.isJava2()+"\n"); sb.append(" java 1.4: "+IJ.isJava14()+"\n"); sb.append(" prefs dir: "+prefsDir+"\n"); sb.append(" imagej dir: "+Prefs.getHomeDir()+"\n"); sb.append(" plugins dir: "+Menus.getPlugInsPath()+"\n"); sb.append(" macros dir: "+Menus.getMacrosPath()+"\n"); sb.append(" current dir: "+OpenDialog.getDefaultDirectory()+"\n"); sb.append(" sample images dir: "+Prefs.getImagesURL()+"\n"); Dimension d = Toolkit.getDefaultToolkit().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), 300, 400); } 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"); } } }
|
JavaProperties |
|