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authorMark Wielaard <mark@klomp.org>2001-10-01 18:24:54 +0000
committerMark Wielaard <mark@gcc.gnu.org>2001-10-01 18:24:54 +0000
commit477946a63dee474c725243ae0d998f4cba1bfc0a (patch)
tree4dda11c70f74fbaee3eeeac3ddfd3597c909ea23 /libjava/java/lang
parentbe55d07d6f4666c031950dc610bdb3fe85c007b5 (diff)
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FileWriter.java: Merge with Classpath.
* java/io/FileWriter.java: Merge with Classpath. * java/io/FilterInputStream.java: Ditto. (mark): no longer synchronized (reset): Likewise * java/io/FilterOutputStream.java: Merge with Classpath. * java/io/FilterReader.java: Ditto. (mark): no longer synchronized (reset): Likewise * java/io/FilterWriter.java: Merge with Classpath. * java/io/Writer.java: Ditto. * java/lang/Compiler.java: Ditto. * java/lang/Process.java: Ditto. * java/lang/Void.java: Ditto. * java/net/ContentHandler.java: Ditto. * java/net/DatagramPacket.java: Ditto. * java/net/MulticastSocket.java: Merge comments with Classpath. From-SVN: r45930
Diffstat (limited to 'libjava/java/lang')
-rw-r--r--libjava/java/lang/Compiler.java118
-rw-r--r--libjava/java/lang/Process.java110
-rw-r--r--libjava/java/lang/Void.java60
3 files changed, 224 insertions, 64 deletions
diff --git a/libjava/java/lang/Compiler.java b/libjava/java/lang/Compiler.java
index bb0f784..bca1031 100644
--- a/libjava/java/lang/Compiler.java
+++ b/libjava/java/lang/Compiler.java
@@ -1,53 +1,111 @@
-// Compiler.java - Control byte->machine code compiler.
+/* Compiler.java -- Interface for implementing a method to override
+ Object.clone()comparaing objects to obtain an ordering
+ Copyright (C) 1998, 1999, 2001 Free Software Foundation, Inc.
-/* Copyright (C) 1998, 1999 Free Software Foundation
+This file is part of GNU Classpath.
- This file is part of libgcj.
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
-This software is copyrighted work licensed under the terms of the
-Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
-details. */
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
-package java.lang;
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
-/**
- * @author Tom Tromey <tromey@cygnus.com>
- * @date October 23, 1998.
- */
+
+package java.lang;
/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
*/
-public final class Compiler
+/**
+ * The <code>Compiler</code> class is a place holder for a JIT
+ * compiler implementation does nothing unless there is such a
+ * compiler by default.
+ * <p>
+ * The system property <code>java.compiler</code> may contain the name
+ * of a library to load with <code>System.loadLibrary</code> when the
+ * virtual machine first starts. If so and loading the library succeeds,
+ * then a function by the name of <code>java_lang_Compiler_start()</code>
+ * in that library is called.
+ *
+ * Note that a VM might not have implemented any of this.
+ *
+ * @author Tom Tromey <tromey@cygnus.com>
+ *
+ * @since JDK 1.0
+ * @see System#getProperty(java.lang.String)
+ * @see System#getProperty(java.lang.String,java.lang.String)
+ * @see System#loadLibrary(java.lang.String)
+ */
+public final class Compiler
{
- public static Object command (Object arg)
+ /**
+ * Don't allow new `Compiler's to be made.
+ */
+ private Compiler ()
{
- // Our implementation defines this to a no-op.
- return null;
}
- public static boolean compileClass (Class oneClass)
+ /**
+ * Compile the class named by <code>oneClass</code>.
+ *
+ * @param oneClass the class to compile
+ * @return <code>false</code> if no compiler is available or
+ * compilation failed and <code>true</code> if compilation succeeded.
+ */
+ public static boolean compileClass (Class oneClass)
{
- // Never succeed.
- return false;
+ // Never succeed.
+ return false;
}
-
- public static boolean compileClasses (String classNames)
+
+ /**
+ * Compile the classes whose name matches <code>classNames/code>.
+ *
+ * @param classNames the name of classes to compile
+ * @return <code>false</code> if no compiler is available or
+ * compilation failed and <code>true</code> if compilation succeeded.
+ */
+ public static boolean compileClasses (String classNames)
{
- // Note the incredibly lame interface. Always fail.
- return false;
+ // Note the incredibly lame interface. Always fail.
+ return false;
}
- public static void disable ()
+ /**
+ * This method examines the argument and performs an operation
+ * according to the compilers documentation. No specific operation
+ * is required.
+ */
+ public static Object command (Object arg)
{
+ // Our implementation defines this to a no-op.
+ return null;
}
- public static void enable ()
- {
- }
+ /**
+ * Calling <code>Compiler.enable()</code> will cause the compiler
+ * to resume operation if it was previously disabled.
+ */
+ public static void enable () { }
- // Don't allow new `Compiler's to be made.
- private Compiler ()
- {
- }
+ /**
+ * Calling <code>Compiler.disable()</code> will cause the compiler
+ * to be suspended.
+ */
+ public static void disable () { }
}
diff --git a/libjava/java/lang/Process.java b/libjava/java/lang/Process.java
index 077efe5..faeb1ed 100644
--- a/libjava/java/lang/Process.java
+++ b/libjava/java/lang/Process.java
@@ -1,30 +1,106 @@
-// Process.java - Represent spawned system process.
+/* Process.java - Represent spawned system process.
+ Copyright (C) 1998, 1999, 2001 Free Software Foundation, Inc.
-/* Copyright (C) 1998, 1999 Free Software Foundation
+This file is part of GNU Classpath.
- This file is part of libgcj.
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
-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.*;
-/**
- * @author Tom Tromey <tromey@cygnus.com>
- * @date October 23, 1998.
- */
+import java.io.OutputStream;
+import java.io.InputStream;
/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
*/
+/**
+ * An instance of a subclass of <code>Process</code> is created by the
+ * <code>Runtime.exec</code> methods. Methods in <code>Process</code>
+ * provide a means to send input to a process, obtain the output from a
+ * subprocess, destroy a subprocess, obtain the exit value from a
+ * subprocess, and wait for a subprocess to complete.
+ *
+ * @since JDK 1.0
+ *
+ * @author Brian Jones
+ * @author Tom Tromey <tromey@cygnus.com>
+ */
public abstract class Process
{
- abstract public void destroy ();
- abstract public int exitValue ();
- abstract public InputStream getErrorStream ();
- abstract public InputStream getInputStream ();
- abstract public OutputStream getOutputStream ();
- abstract public int waitFor () throws InterruptedException;
+ /**
+ * Empty constructor does nothing.
+ */
+ public Process() { }
+
+ /**
+ * Obtain the output stream of the subprocess. It may help to
+ * associate this stream as the redirected STDIN file descriptor of
+ * the subprocess.
+ */
+ public abstract OutputStream getOutputStream();
+
+ /**
+ * Obtain the input stream of the subprocess. It may help to
+ * associate this stream as the redirected STDOUT file descriptor of
+ * the subprocess.
+ */
+ public abstract InputStream getInputStream();
+
+ /**
+ * Obtain the error input stream of the subprocess. It may help to
+ * associate this stream as the redirected STDERR file descriptor of
+ * the subprocess.
+ */
+ public abstract InputStream getErrorStream();
+
+ /**
+ * The thread calling <code>waitFor</code> will block until the subprocess
+ * has terminated. If the process has already terminated then the method
+ * immediately returns with the exit value of the subprocess.
+ *
+ * @returns the exit value of the subprocess. A return of <code>0</code>
+ * denotes normal process termination by convention.
+ *
+ * @throws InterruptedException is thrown if another thread interrupts
+ * the waiting thread. The waiting thread stops waiting.
+ */
+ public abstract int waitFor()
+ throws InterruptedException;
+
+ /**
+ * When a process terminates there is associated with that termination
+ * an exit value for the process to indicate why it terminated. A return
+ * of <code>0</code> denotes normal process termination by convention.
+ *
+ * @returns the exit value of the subprocess.
+ * @throws IllegalThreadStateException is thrown if the subprocess
+ * represented by the subclass of this class has not yet terminated.
+ */
+ public abstract int exitValue();
+
+ /**
+ * Kills the subprocess and all of its children forcibly.
+ */
+ public abstract void destroy();
+
}
diff --git a/libjava/java/lang/Void.java b/libjava/java/lang/Void.java
index 7d5bdfc..453e5fc 100644
--- a/libjava/java/lang/Void.java
+++ b/libjava/java/lang/Void.java
@@ -1,30 +1,56 @@
-/* Copyright (C) 1998, 1999 Free Software Foundation
+/* java.lang.Void
+ Copyright (C) 1998, 1999, 2001 Free Software Foundation, Inc.
- This file is part of libgcj.
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
-This software is copyrighted work licensed under the terms of the
-Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
-details. */
package java.lang;
-/**
- * @author Per Bothner <bothner@cygnus.com>
- * @date April 18, 1998.
- */
/* Written using "Java Class Libraries", 2nd edition, plus online
* API docs for JDK 1.2 beta from http://www.javasoft.com.
* Status: Complete.
*/
+/**
+ * Void is a placeholder class so that the variable Void.TYPE can be
+ * supported for reflection return types.
+ *
+ * @author Paul Fisher
+ * @author John Keiser
+ * @author Per Bothner <bothner@cygnus.com>
+ * @since JDK1.1
+ */
public final class Void
{
- // This initialization is seemingly circular, but it is accepted
- // by javac, and is handled specially by gcc.
- public final static Class TYPE = void.class;
-
- // Don't allow Void objects to be made.
- private Void ()
- {
- }
+ /**
+ * The return type <code>void</code> is represented by this
+ * <code>Class</code> object.
+ */
+ public static final Class TYPE = VMClassLoader.getPrimitiveClass("void");
+
+ /**
+ * Don't allow Void objects to be made.
+ */
+ private Void() { }
}