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authortromey <tromey@138bc75d-0d04-0410-961f-82ee72b054a4>1999-05-18 15:33:03 +0000
committertromey <tromey@138bc75d-0d04-0410-961f-82ee72b054a4>1999-05-18 15:33:03 +0000
commite3b4a43d3b394f8009bdae0960c9e3240f8cf736 (patch)
treec538fe74824c64ba74944a357c354f0c77e93be5 /libjava/java/util/zip/DeflaterOutputStream.java
parentaddd693c880eb9310e8229fbbb4a37df4f550367 (diff)
downloadppe42-gcc-e3b4a43d3b394f8009bdae0960c9e3240f8cf736.tar.gz
ppe42-gcc-e3b4a43d3b394f8009bdae0960c9e3240f8cf736.zip
* java/util/zip/ZipOutputStream.java (level): Initial value is
Deflater.DEFAULT_COMPRESSION. (close): New method. (closeEntry): Likewise. (finish): Likewise. (put_version): Likewise. (write_entry): Likewise. (put2, put4): Now return `int'. (comment): Default to empty string. (bytes_written): New instance variable. (chain): Likewise. * java/util/zip/ZipEntry.java (setComment): Limit length of comment string. (setCrc): Check CRC validity. (setExtra): Check argument validity. (setMethod): Likewise. (setSize): Likewise. (ZipEntry): Likewise. * include/javaprims.h: Updated namespace declarations. * Makefile.in: Rebuilt. * Makefile.am (ordinary_java_source_files): Mention new files. (nat_source_files): Likewise. * java/util/zip/ZipFile.java (readu2): Throw ZipException, not EOFException. (read4): Likewise. (getInputStream): Handle compressed entries. * java/util/zip/GZIPOutputStream.java: New file. * java/util/zip/GZIPInputStream.java: New file. * java/util/zip/DataFormatException.java: New file. * java/util/zip/CheckedInputStream.java: New file. * java/util/zip/CheckedOutputStream.java: New file. * java/util/zip/InflaterInputStream.java: Implemented. * java/util/zip/natInflater.cc: New file. * java/util/zip/Deflater.java: Implemented. * java/util/zip/natDeflater.cc: New file. * java/util/zip/DeflaterOutputStream.java: Implemented. * java/util/zip/ZipInputStream.java (closeZipEntry): Throw ZipException, not IOException. * java/util/zip/ZipFile.java (readDirectory): Throw ZipException, not IOException. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@26996 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libjava/java/util/zip/DeflaterOutputStream.java')
-rw-r--r--libjava/java/util/zip/DeflaterOutputStream.java65
1 files changed, 53 insertions, 12 deletions
diff --git a/libjava/java/util/zip/DeflaterOutputStream.java b/libjava/java/util/zip/DeflaterOutputStream.java
index 4f0b8b454a5..ce5ae23101f 100644
--- a/libjava/java/util/zip/DeflaterOutputStream.java
+++ b/libjava/java/util/zip/DeflaterOutputStream.java
@@ -1,3 +1,5 @@
+// DeflaterOutputStream.java - Output filter for compressing.
+
/* Copyright (C) 1999 Cygnus Solutions
This file is part of libgcj.
@@ -7,40 +9,79 @@ Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
details. */
package java.util.zip;
-import java.io.*;
-/** JUST AN INCOMPLETE STUB! */
+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.
+ */
public class DeflaterOutputStream extends FilterOutputStream
{
- protected byte[] buf;
+ public void close () throws IOException
+ {
+ finish ();
+ out.close();
+ }
- protected Deflater def;
+ protected void deflate () throws IOException
+ {
+ while (true)
+ {
+ int len = def.deflate(buf, 0, buf.length);
+ if (len == 0 || len == -1)
+ break;
+ out.write(buf, 0, len);
+ }
+ }
- public DeflaterOutputStream(OutputStream out)
+ public DeflaterOutputStream (OutputStream out)
{
- this(out, null, 512);
+ this (out, new Deflater (), 512);
}
- public DeflaterOutputStream(OutputStream out, Deflater defl)
+ public DeflaterOutputStream (OutputStream out, Deflater defl)
{
- this(out, defl, 512);
+ this (out, defl, 512);
}
public DeflaterOutputStream(OutputStream out, Deflater defl, int bufsize)
{
- super(out);
+ super (out);
buf = new byte[bufsize];
def = defl;
}
public void finish () throws IOException
{
+ def.finish();
+ deflate ();
}
- public void close () throws IOException
+ public void write (int bval) throws IOException
{
- finish();
- out.close();
+ byte[] b = new byte[1];
+ b[0] = (byte) bval;
+ write (b, 0, 1);
+ }
+
+ public void write (byte[] buf, int off, int len) throws IOException
+ {
+ def.setInput (buf, off, len);
+ deflate ();
}
+
+ // The retrieval buffer.
+ protected byte[] buf;
+
+ // Deflater used to compress data.
+ protected Deflater def;
}
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