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Diffstat (limited to 'qpid/java/client/src/main/java/org/apache/qpid/client/message/JMSBytesMessage.java')
-rw-r--r--qpid/java/client/src/main/java/org/apache/qpid/client/message/JMSBytesMessage.java386
1 files changed, 386 insertions, 0 deletions
diff --git a/qpid/java/client/src/main/java/org/apache/qpid/client/message/JMSBytesMessage.java b/qpid/java/client/src/main/java/org/apache/qpid/client/message/JMSBytesMessage.java
new file mode 100644
index 0000000000..b87275a9ce
--- /dev/null
+++ b/qpid/java/client/src/main/java/org/apache/qpid/client/message/JMSBytesMessage.java
@@ -0,0 +1,386 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.qpid.client.message;
+
+import java.nio.CharBuffer;
+import java.nio.charset.CharacterCodingException;
+import java.nio.charset.Charset;
+import java.nio.charset.CharsetDecoder;
+import java.nio.charset.CharsetEncoder;
+
+import javax.jms.BytesMessage;
+import javax.jms.JMSException;
+import javax.jms.MessageFormatException;
+
+import org.apache.mina.common.ByteBuffer;
+import org.apache.qpid.AMQException;
+import org.apache.qpid.framing.AMQShortString;
+import org.apache.qpid.framing.BasicContentHeaderProperties;
+
+public class JMSBytesMessage extends AbstractBytesMessage implements BytesMessage
+{
+ public static final String MIME_TYPE = "application/octet-stream";
+
+
+
+ public JMSBytesMessage(AMQMessageDelegateFactory delegateFactory)
+ {
+ this(delegateFactory,null);
+
+ }
+
+ /**
+ * Construct a bytes message with existing data.
+ *
+ * @param delegateFactory
+ * @param data the data that comprises this message. If data is null, you get a 1024 byte buffer that is
+ */
+ JMSBytesMessage(AMQMessageDelegateFactory delegateFactory, ByteBuffer data)
+ {
+
+ super(delegateFactory, data); // this instanties a content header
+ }
+
+ JMSBytesMessage(AMQMessageDelegate delegate, ByteBuffer data) throws AMQException
+ {
+ super(delegate, data);
+ }
+
+
+ public void reset()
+ {
+ super.reset();
+ _readableMessage = true;
+ }
+
+ protected String getMimeType()
+ {
+ return MIME_TYPE;
+ }
+
+ public long getBodyLength() throws JMSException
+ {
+ checkReadable();
+ return _data.limit();
+ }
+
+ public boolean readBoolean() throws JMSException
+ {
+ checkReadable();
+ checkAvailable(1);
+ return _data.get() != 0;
+ }
+
+ public byte readByte() throws JMSException
+ {
+ checkReadable();
+ checkAvailable(1);
+ return _data.get();
+ }
+
+ public int readUnsignedByte() throws JMSException
+ {
+ checkReadable();
+ checkAvailable(1);
+ return _data.getUnsigned();
+ }
+
+ public short readShort() throws JMSException
+ {
+ checkReadable();
+ checkAvailable(2);
+ return _data.getShort();
+ }
+
+ public int readUnsignedShort() throws JMSException
+ {
+ checkReadable();
+ checkAvailable(2);
+ return _data.getUnsignedShort();
+ }
+
+ /**
+ * Note that this method reads a unicode character as two bytes from the stream
+ *
+ * @return the character read from the stream
+ * @throws JMSException
+ */
+ public char readChar() throws JMSException
+ {
+ checkReadable();
+ checkAvailable(2);
+ return _data.getChar();
+ }
+
+ public int readInt() throws JMSException
+ {
+ checkReadable();
+ checkAvailable(4);
+ return _data.getInt();
+ }
+
+ public long readLong() throws JMSException
+ {
+ checkReadable();
+ checkAvailable(8);
+ return _data.getLong();
+ }
+
+ public float readFloat() throws JMSException
+ {
+ checkReadable();
+ checkAvailable(4);
+ return _data.getFloat();
+ }
+
+ public double readDouble() throws JMSException
+ {
+ checkReadable();
+ checkAvailable(8);
+ return _data.getDouble();
+ }
+
+ public String readUTF() throws JMSException
+ {
+ checkReadable();
+ // we check only for one byte since theoretically the string could be only a
+ // single byte when using UTF-8 encoding
+
+ try
+ {
+ short length = readShort();
+ if(length == 0)
+ {
+ return "";
+ }
+ else
+ {
+ CharsetDecoder decoder = Charset.forName("UTF-8").newDecoder();
+ ByteBuffer encodedString = _data.slice();
+ encodedString.limit(length);
+ _data.position(_data.position()+length);
+ CharBuffer string = decoder.decode(encodedString.buf());
+
+ return string.toString();
+ }
+
+
+
+ }
+ catch (CharacterCodingException e)
+ {
+ JMSException jmse = new JMSException("Error decoding byte stream as a UTF8 string: " + e);
+ jmse.setLinkedException(e);
+ jmse.initCause(e);
+ throw jmse;
+ }
+ }
+
+ public int readBytes(byte[] bytes) throws JMSException
+ {
+ if (bytes == null)
+ {
+ throw new IllegalArgumentException("byte array must not be null");
+ }
+ checkReadable();
+ int count = (_data.remaining() >= bytes.length ? bytes.length : _data.remaining());
+ if (count == 0)
+ {
+ return -1;
+ }
+ else
+ {
+ _data.get(bytes, 0, count);
+ return count;
+ }
+ }
+
+ public int readBytes(byte[] bytes, int maxLength) throws JMSException
+ {
+ if (bytes == null)
+ {
+ throw new IllegalArgumentException("byte array must not be null");
+ }
+ if (maxLength > bytes.length)
+ {
+ throw new IllegalArgumentException("maxLength must be <= bytes.length");
+ }
+ checkReadable();
+ int count = (_data.remaining() >= maxLength ? maxLength : _data.remaining());
+ if (count == 0)
+ {
+ return -1;
+ }
+ else
+ {
+ _data.get(bytes, 0, count);
+ return count;
+ }
+ }
+
+ public void writeBoolean(boolean b) throws JMSException
+ {
+ checkWritable();
+ _changedData = true;
+ _data.put(b ? (byte) 1 : (byte) 0);
+ }
+
+ public void writeByte(byte b) throws JMSException
+ {
+ checkWritable();
+ _changedData = true;
+ _data.put(b);
+ }
+
+ public void writeShort(short i) throws JMSException
+ {
+ checkWritable();
+ _changedData = true;
+ _data.putShort(i);
+ }
+
+ public void writeChar(char c) throws JMSException
+ {
+ checkWritable();
+ _changedData = true;
+ _data.putChar(c);
+ }
+
+ public void writeInt(int i) throws JMSException
+ {
+ checkWritable();
+ _changedData = true;
+ _data.putInt(i);
+ }
+
+ public void writeLong(long l) throws JMSException
+ {
+ checkWritable();
+ _changedData = true;
+ _data.putLong(l);
+ }
+
+ public void writeFloat(float v) throws JMSException
+ {
+ checkWritable();
+ _changedData = true;
+ _data.putFloat(v);
+ }
+
+ public void writeDouble(double v) throws JMSException
+ {
+ checkWritable();
+ _changedData = true;
+ _data.putDouble(v);
+ }
+
+ public void writeUTF(String string) throws JMSException
+ {
+ checkWritable();
+ try
+ {
+ CharsetEncoder encoder = Charset.forName("UTF-8").newEncoder();
+ java.nio.ByteBuffer encodedString = encoder.encode(CharBuffer.wrap(string));
+
+ _data.putShort((short)encodedString.limit());
+ _data.put(encodedString);
+ _changedData = true;
+ //_data.putString(string, Charset.forName("UTF-8").newEncoder());
+ // we must add the null terminator manually
+ //_data.put((byte)0);
+ }
+ catch (CharacterCodingException e)
+ {
+ JMSException jmse = new JMSException("Unable to encode string: " + e);
+ jmse.setLinkedException(e);
+ jmse.initCause(e);
+ throw jmse;
+ }
+ }
+
+ public void writeBytes(byte[] bytes) throws JMSException
+ {
+ checkWritable();
+ _data.put(bytes);
+ _changedData = true;
+ }
+
+ public void writeBytes(byte[] bytes, int offset, int length) throws JMSException
+ {
+ checkWritable();
+ _data.put(bytes, offset, length);
+ _changedData = true;
+ }
+
+ public void writeObject(Object object) throws JMSException
+ {
+ checkWritable();
+ if (object == null)
+ {
+ throw new NullPointerException("Argument must not be null");
+ }
+ Class clazz = object.getClass();
+ if (clazz == Byte.class)
+ {
+ writeByte((Byte) object);
+ }
+ else if (clazz == Boolean.class)
+ {
+ writeBoolean((Boolean) object);
+ }
+ else if (clazz == byte[].class)
+ {
+ writeBytes((byte[]) object);
+ }
+ else if (clazz == Short.class)
+ {
+ writeShort((Short) object);
+ }
+ else if (clazz == Character.class)
+ {
+ writeChar((Character) object);
+ }
+ else if (clazz == Integer.class)
+ {
+ writeInt((Integer) object);
+ }
+ else if (clazz == Long.class)
+ {
+ writeLong((Long) object);
+ }
+ else if (clazz == Float.class)
+ {
+ writeFloat((Float) object);
+ }
+ else if (clazz == Double.class)
+ {
+ writeDouble((Double) object);
+ }
+ else if (clazz == String.class)
+ {
+ writeUTF((String) object);
+ }
+ else
+ {
+ throw new MessageFormatException("Only primitives plus byte arrays and String are valid types");
+ }
+ }
+}