1 files changed, 166 insertions, 0 deletions
diff --git a/libjava/java/lang/System.java b/libjava/java/lang/System.java
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+// System.java - System-specific info.
+
+/* Copyright (C) 1998, 1999  Cygnus Solutions
+
+   This file is part of libgcj.
+
+This software is copyrighted work licensed under the terms of the
+Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
+details.  */
+
+package java.lang;
+
+import java.io.FileDescriptor;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.FilterInputStream;
+import java.io.InputStream;
+import java.io.PrintStream;
+import java.io.BufferedInputStream;
+import java.io.BufferedOutputStream;
+import java.util.Properties;
+
+/**
+ * @author Tom Tromey <tromey@cygnus.com>
+ * @date August 27, 1998 
+ */
+
+/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
+ * "The Java Language Specification", ISBN 0-201-63451-1
+ * plus online API docs for JDK 1.2 beta from http://www.javasoft.com.
+ * Status: 1.1.  Some 1.2 methods missing.  Properties code not fully
+ * implemented.
+ */
+
+public final class System
+{
+  public static native void arraycopy (Object src, int srcOffset,
+				       Object dst, int dstOffset,
+				       int count);
+
+  public static native long currentTimeMillis ();
+
+  public static void exit (int status)
+  {
+    Runtime.getRuntime().exit(status);
+  }
+
+  public static void gc ()
+  {
+    Runtime.getRuntime().gc();
+  }
+
+  // Marked deprecated in 1.1.  We implement what the JCL book says.
+  public static String getenv (String name)
+  {
+    throw new Error ();
+  }
+
+  private static native void init_properties ();
+
+  public static Properties getProperties ()
+  {
+    if (secman != null)
+      secman.checkPropertiesAccess();
+    init_properties ();
+    return properties;
+  }
+
+  public static String getProperty (String property)
+  {
+    if (secman != null)
+      secman.checkPropertyAccess(property);
+    init_properties ();
+    return properties.getProperty(property);
+  }
+
+  public static String getProperty (String property, String defval)
+  {
+    if (secman != null)
+      secman.checkPropertyAccess(property, defval);
+    init_properties ();
+    return properties.getProperty(property, defval);
+  }
+
+  public static SecurityManager getSecurityManager ()
+  {
+    return secman;
+  }
+
+  public static native int identityHashCode (Object obj);
+
+  public static void load (String pathname)
+  {
+    Runtime.getRuntime().load(pathname);
+  }
+
+  public static void loadLibrary (String libname)
+  {
+    Runtime.getRuntime().loadLibrary(libname);
+  }
+
+  public static void runFinalization ()
+  {
+    Runtime.getRuntime().runFinalization();
+  }
+
+  // Marked as deprecated in 1.2.
+  public static void runFinalizersOnExit (boolean run)
+  {
+    Runtime.getRuntime().runFinalizersOnExit(run);
+  }
+
+  private static void checkSetIO ()
+  {
+    // In 1.1, we are supposed to call checkExec, but the argument is
+    // not specified.  In 1.2, we are supposed to use checkPermission,
+    // which doesn't exist in 1.1.
+    if (secman != null)
+      secman.checkExec("");
+  }
+
+  public static native void setErr (PrintStream newErr);
+  public static native void setIn (InputStream newIn);
+  public static native void setOut (PrintStream newOut);
+
+  public static void setProperties (Properties props)
+  {
+    if (secman != null)
+      secman.checkPropertiesAccess();
+    // We might not have initialized yet.
+    prop_init = true;
+    properties = props;
+  }
+
+  // TODO 1.2.
+  // public static String setProperty (String key, String value);
+
+  // TODO 1.2.
+  // public static String mapLibraryName (String libname);
+
+  public static void setSecurityManager (SecurityManager s)
+  {
+    if (secman != null)
+      throw new SecurityException ();
+    secman = s;
+  }
+
+  // Public data.
+  public static final InputStream in = new BufferedInputStream (new FileInputStream (FileDescriptor.in));
+
+  public static final PrintStream out = new PrintStream (new BufferedOutputStream (new FileOutputStream (FileDescriptor.out)), true);
+
+  public static final PrintStream err = new PrintStream (new BufferedOutputStream (new FileOutputStream (FileDescriptor.err)), true);
+
+  // Don't allow System objects to be made.
+  private System ()
+  {
+  }
+
+  // Private data.
+  private static SecurityManager secman = null;
+  private static Properties properties = null;
+  // This boolean is only required for 1.1 and earlier.  After 1.1, a
+  // null properties should always be re-initialized.
+  private static boolean prop_init = false;
+}