[Jython-checkins] SF.net SVN: jython:[5671] trunk/installer/src/java/org/python/util/install/ Installation.java

[<otm...@us...>]

Revision: 5671
          http://jython.svn.sourceforge.net/jython/?rev=5671&view=rev
Author:   otmarhumbel
Date:     2008-12-01 23:33:55 +0000 (Mon, 01 Dec 2008)

Log Message:
-----------
dump system properties to a file (in verbose mode)

Modified Paths:
--------------
    trunk/installer/src/java/org/python/util/install/Installation.java

Modified: trunk/installer/src/java/org/python/util/install/Installation.java
===================================================================
--- trunk/installer/src/java/org/python/util/install/Installation.java	2008-12-01 18:33:00 UTC (rev 5670)
+++ trunk/installer/src/java/org/python/util/install/Installation.java	2008-12-01 23:33:55 UTC (rev 5671)
@@ -6,6 +6,7 @@
 import java.io.FilenameFilter;
 import java.io.IOException;
 import java.text.MessageFormat;
+import java.util.Enumeration;
 import java.util.Locale;
 import java.util.Properties;
 import java.util.ResourceBundle;
@@ -326,6 +327,7 @@
         try {
             boolean earlyVerbose = InstallerCommandLine.hasVerboseOptionInArgs(args);
             if (earlyVerbose) {
+                dumpSystemProperties();
                 ConsoleInstaller.message("reading jar info");
             }
             JarInfo jarInfo = new JarInfo();
@@ -371,5 +373,23 @@
             System.exit(1);
         }
     }
+    
+    private static void dumpSystemProperties() throws IOException {
+        @SuppressWarnings("unchecked")
+        Enumeration<String> names = (Enumeration<String>)System.getProperties().propertyNames();
+        StringBuilder contents = new StringBuilder(400);
+        contents.append("Properties at the beginning of the Jython installation:\n\n");
+        while (names.hasMoreElements()) {
+            String name = names.nextElement();
+            String value = System.getProperty(name, "");
+            contents.append(name);
+            contents.append('=');
+            contents.append(value);
+            contents.append("\n");
+        }
+        File output = File.createTempFile("System", ".properties");
+        FileHelper.write(output, contents.toString());
+        ConsoleInstaller.message("system properties dumped to " + output.getAbsolutePath());
+    }
 
 }
\ No newline at end of file


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