mq5.0-source.main.comm-io.src.main.java.com.sun.messaging.jmq.io.PacketProperties Maven / Gradle / Ivy
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2000-2012 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
/*
* @(#)PacketProperties.java 1.7 06/27/07
*/
package com.sun.messaging.jmq.io;
import java.io.*;
import java.util.*;
import java.nio.ByteBuffer;
import java.nio.charset.*;
/*
* Only the follow property types are supported:
* Boolean, Byte, Short, Integer, Long, Float, Double, and String
*
* Format:
* [Name length][Name (UTF-8)][Value type][Value Length][Value]
*
* Pad out to 32 bit boundry
*
*/
public class PacketProperties
{
public static final short BOOLEAN = 1;
public static final short BYTE = 2;
public static final short SHORT = 3;
public static final short INTEGER = 4;
public static final short LONG = 5;
public static final short FLOAT = 6;
public static final short DOUBLE = 7;
public static final short STRING = 8;
public static final short OBJECT = 9;
public static final int VERSION1=1;
// add OBJECT
// add version comment
public static void write(Map map, OutputStream os)
throws IOException
{
if (map == null) {
return;
}
DataOutputStream dos = new DataOutputStream(os);
dos.writeInt(VERSION1);
dos.writeInt(map.size());
Iterator itr = map.keySet().iterator();
while (itr.hasNext()) {
String key = (String) itr.next();
Object value = map.get(key);
dos.writeUTF(key);
if (value instanceof Boolean) {
dos.writeShort(BOOLEAN);
dos.writeBoolean(((Boolean)value).booleanValue());
} else if (value instanceof Byte) {
dos.writeShort(BYTE);
dos.writeByte(((Byte)value).byteValue());
} else if (value instanceof Short) {
dos.writeShort(SHORT);
dos.writeShort(((Short)value).shortValue());
} else if (value instanceof Integer) {
dos.writeShort(INTEGER);
dos.writeInt(((Integer)value).intValue());
} else if (value instanceof Long) {
dos.writeShort(LONG);
dos.writeLong(((Long)value).longValue());
} else if (value instanceof Float) {
dos.writeShort(FLOAT);
dos.writeFloat(((Float)value).floatValue());
} else if (value instanceof Double) {
dos.writeShort(DOUBLE);
dos.writeDouble(((Double)value).doubleValue());
} else if (value instanceof String) {
dos.writeShort(STRING);
dos.writeUTF((String)value);
} else {
dos.writeShort(OBJECT);
JMQByteArrayOutputStream bos =
new JMQByteArrayOutputStream(new byte[256]);
ObjectOutputStream oos = new ObjectOutputStream(bos);
oos.writeObject(value);
oos.close();
byte[] data = bos.getBuf();
dos.writeInt(data.length);
dos.write(data, 0, data.length);
}
}
}
public static Hashtable parseProperties(InputStream is)
throws IOException, ClassNotFoundException
{
DataInputStream dis = new DataInputStream(is);
int version = dis.readInt();
if (version != VERSION1) {
throw new IOException("Unsupported version of properties serialization ["
+ version + "]");
}
int propcnt = dis.readInt();
Hashtable ht = new Hashtable(propcnt);
int cnt = 0;
while (cnt < propcnt) {
String key = dis.readUTF();
if (key == null || key.length() <= 0) break;
short type = dis.readShort();
Object value = null;
switch( type) {
case BOOLEAN:
//value = new Boolean(dis.readBoolean());
value = Boolean.valueOf (dis.readBoolean());
break;
case BYTE:
value = new Byte(dis.readByte());
break;
case SHORT:
value = new Short(dis.readShort());
break;
case INTEGER:
value = new Integer(dis.readInt());
break;
case LONG:
value = new Long(dis.readLong());
break;
case FLOAT:
value = new Float(dis.readFloat());
break;
case DOUBLE:
value = new Double(dis.readDouble());
break;
case STRING:
value = dis.readUTF();
break;
case OBJECT:
int bytes = dis.readInt();
byte[] buf = new byte[bytes];
dis.read(buf,0,bytes);
JMQByteArrayInputStream bis =
new JMQByteArrayInputStream(buf);
ObjectInputStream ois = new ObjectInputStream(bis);
value = ois.readObject();
ois.close();
bis.close();
default:
// ignore (dont throw exception)
}
ht.put(key, value);
cnt ++;
}
return ht;
}
}