aboutsummaryrefslogtreecommitdiff
path: root/libjava/java/util/zip/CheckedOutputStream.java
diff options
context:
space:
mode:
Diffstat (limited to 'libjava/java/util/zip/CheckedOutputStream.java')
-rw-r--r--libjava/java/util/zip/CheckedOutputStream.java58
1 files changed, 46 insertions, 12 deletions
diff --git a/libjava/java/util/zip/CheckedOutputStream.java b/libjava/java/util/zip/CheckedOutputStream.java
index a632303..276f498 100644
--- a/libjava/java/util/zip/CheckedOutputStream.java
+++ b/libjava/java/util/zip/CheckedOutputStream.java
@@ -1,12 +1,28 @@
-// CheckedOutputStream.java - Compute checksum of data being written.
+/* CheckedOutputStream.java - Compute checksum of data being written.
+ Copyright (C) 1999, 2000 Free Software Foundation, Inc.
-/* Copyright (C) 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.
+
+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. */
package java.util.zip;
@@ -14,41 +30,59 @@ import java.io.FilterOutputStream;
import java.io.OutputStream;
import java.io.IOException;
-/**
- * @author Tom Tromey
- * @date May 17, 1999
- */
-
/* Written using on-line Java Platform 1.2 API Specification
* and JCL book.
* Believed complete and correct.
*/
+/**
+ * OutputStream that computes a checksum of data being written using a
+ * supplied Checksum object.
+ *
+ * @see Checksum
+ *
+ * @author Tom Tromey
+ * @date May 17, 1999
+ */
public class CheckedOutputStream extends FilterOutputStream
{
+ /**
+ * Creates a new CheckInputStream on top of the supplied OutputStream
+ * using the supplied Checksum.
+ */
public CheckedOutputStream (OutputStream out, Checksum cksum)
{
super (out);
this.sum = cksum;
}
+ /**
+ * Returns the Checksum object used. To get the data checksum computed so
+ * far call <code>getChecksum.getValue()</code>.
+ */
public Checksum getChecksum ()
{
return sum;
}
+ /**
+ * Writes one byte to the OutputStream and updates the Checksum.
+ */
public void write (int bval) throws IOException
{
out.write(bval);
sum.update(bval);
}
+ /**
+ * Writes the byte array to the OutputStream and updates the Checksum.
+ */
public void write (byte[] buf, int off, int len) throws IOException
{
out.write(buf, off, len);
sum.update(buf, off, len);
}
- // The checksum object.
+ /** The checksum object. */
private Checksum sum;
}