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authorJing Yu <jingyu@google.com>2010-07-22 14:03:48 -0700
committerJing Yu <jingyu@google.com>2010-07-22 14:03:48 -0700
commitb094d6c4bf572654a031ecc4afe675154c886dc5 (patch)
tree89394c56b05e13a5413ee60237d65b0214fd98e2 /gcc-4.4.3/libjava/classpath/gnu/javax/crypto/keyring/CompressedEntry.java
parentdc34721ac3bf7e3c406fba8cfe9d139393345ec5 (diff)
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commit gcc-4.4.3 which is used to build gcc-4.4.3 Android toolchain in master.
The source is based on fsf gcc-4.4.3 and contains local patches which are recorded in gcc-4.4.3/README.google. Change-Id: Id8c6d6927df274ae9749196a1cc24dbd9abc9887
Diffstat (limited to 'gcc-4.4.3/libjava/classpath/gnu/javax/crypto/keyring/CompressedEntry.java')
-rw-r--r--gcc-4.4.3/libjava/classpath/gnu/javax/crypto/keyring/CompressedEntry.java93
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diff --git a/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/keyring/CompressedEntry.java b/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/keyring/CompressedEntry.java
new file mode 100644
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+++ b/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/keyring/CompressedEntry.java
@@ -0,0 +1,93 @@
+/* CompressedEntry.java --
+ Copyright (C) 2003, 2006 Free Software Foundation, Inc.
+
+This file is a 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 of the License, 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; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
+USA
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package gnu.javax.crypto.keyring;
+
+import java.io.ByteArrayOutputStream;
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.util.Iterator;
+import java.util.zip.DeflaterOutputStream;
+import java.util.zip.InflaterInputStream;
+
+public class CompressedEntry
+ extends EnvelopeEntry
+{
+ public static final int TYPE = 4;
+
+ public CompressedEntry(Properties properties)
+ {
+ super(TYPE, properties);
+ this.properties.put("algorithm", "DEFLATE");
+ }
+
+ private CompressedEntry()
+ {
+ this(new Properties());
+ }
+
+ public static CompressedEntry decode(DataInputStream in) throws IOException
+ {
+ CompressedEntry entry = new CompressedEntry();
+ entry.properties.decode(in);
+ String alg = entry.properties.get("algorithm");
+ if (alg == null)
+ throw new MalformedKeyringException("no compression algorithm");
+ if (! alg.equalsIgnoreCase("DEFLATE"))
+ throw new MalformedKeyringException("unsupported compression algorithm: "
+ + alg);
+ int len = in.readInt();
+ MeteredInputStream min = new MeteredInputStream(in, len);
+ InflaterInputStream infin = new InflaterInputStream(min);
+ DataInputStream in2 = new DataInputStream(infin);
+ entry.decodeEnvelope(in2);
+ return entry;
+ }
+
+ protected void encodePayload() throws IOException
+ {
+ ByteArrayOutputStream buf = new ByteArrayOutputStream(1024);
+ DeflaterOutputStream dout = new DeflaterOutputStream(buf);
+ DataOutputStream out2 = new DataOutputStream(dout);
+ for (Iterator it = entries.iterator(); it.hasNext();)
+ ((Entry) it.next()).encode(out2);
+ dout.finish();
+ payload = buf.toByteArray();
+ }
+}