/*
* 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.activemq.artemis.jms.tests.message;
import javax.jms.BytesMessage;
import javax.jms.JMSException;
import javax.jms.MessageEOFException;
import javax.jms.MessageFormatException;
import javax.jms.MessageNotReadableException;
import javax.jms.MessageNotWriteableException;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.EOFException;
import java.io.IOException;
public class SimpleJMSBytesMessage extends SimpleJMSMessage implements BytesMessage {
// Static -------------------------------------------------------
// Attributes ----------------------------------------------------
protected byte[] internalArray;
protected boolean bodyWriteOnly = true;
private transient ByteArrayOutputStream ostream;
private transient DataOutputStream p;
private transient ByteArrayInputStream istream;
private transient DataInputStream m;
// Constructor ---------------------------------------------------
public SimpleJMSBytesMessage() {
ostream = new ByteArrayOutputStream();
p = new DataOutputStream(ostream);
}
// BytesMessage implementation -----------------------------------
@Override
public boolean readBoolean() throws JMSException {
checkRead();
try {
return m.readBoolean();
} catch (EOFException e) {
throw new MessageEOFException("");
} catch (IOException e) {
throw new JMSException("IOException");
}
}
@Override
public byte readByte() throws JMSException {
checkRead();
try {
return m.readByte();
} catch (EOFException e) {
throw new MessageEOFException("");
} catch (IOException e) {
throw new JMSException("IOException");
}
}
@Override
public int readUnsignedByte() throws JMSException {
checkRead();
try {
return m.readUnsignedByte();
} catch (EOFException e) {
throw new MessageEOFException("");
} catch (IOException e) {
throw new JMSException("IOException");
}
}
@Override
public short readShort() throws JMSException {
checkRead();
try {
return m.readShort();
} catch (EOFException e) {
throw new MessageEOFException("");
} catch (IOException e) {
throw new JMSException("IOException");
}
}
@Override
public int readUnsignedShort() throws JMSException {
checkRead();
try {
return m.readUnsignedShort();
} catch (EOFException e) {
throw new MessageEOFException("");
} catch (IOException e) {
throw new JMSException("IOException");
}
}
@Override
public char readChar() throws JMSException {
checkRead();
try {
return m.readChar();
} catch (EOFException e) {
throw new MessageEOFException("");
} catch (IOException e) {
throw new JMSException("IOException");
}
}
@Override
public int readInt() throws JMSException {
checkRead();
try {
return m.readInt();
} catch (EOFException e) {
throw new MessageEOFException("");
} catch (IOException e) {
throw new JMSException("IOException");
}
}
@Override
public long readLong() throws JMSException {
checkRead();
try {
return m.readLong();
} catch (EOFException e) {
throw new MessageEOFException("");
} catch (IOException e) {
throw new JMSException("IOException");
}
}
@Override
public float readFloat() throws JMSException {
checkRead();
try {
return m.readFloat();
} catch (EOFException e) {
throw new MessageEOFException("");
} catch (IOException e) {
throw new JMSException("IOException");
}
}
@Override
public double readDouble() throws JMSException {
checkRead();
try {
return m.readDouble();
} catch (EOFException e) {
throw new MessageEOFException("");
} catch (IOException e) {
throw new JMSException("IOException");
}
}
@Override
public String readUTF() throws JMSException {
checkRead();
try {
return m.readUTF();
} catch (EOFException e) {
throw new MessageEOFException("");
} catch (IOException e) {
throw new JMSException("IOException");
}
}
@Override
public int readBytes(final byte[] value) throws JMSException {
checkRead();
try {
return m.read(value);
} catch (IOException e) {
throw new JMSException("IOException");
}
}
@Override
public int readBytes(final byte[] value, final int length) throws JMSException {
checkRead();
try {
return m.read(value, 0, length);
} catch (IOException e) {
throw new JMSException("IOException");
}
}
@Override
public void writeBoolean(final boolean value) throws JMSException {
if (!bodyWriteOnly) {
throw new MessageNotWriteableException("the message body is read-only");
}
try {
p.writeBoolean(value);
} catch (IOException e) {
throw new JMSException("IOException");
}
}
@Override
public void writeByte(final byte value) throws JMSException {
if (!bodyWriteOnly) {
throw new MessageNotWriteableException("the message body is read-only");
}
try {
p.writeByte(value);
} catch (IOException e) {
throw new JMSException("IOException");
}
}
@Override
public void writeShort(final short value) throws JMSException {
if (!bodyWriteOnly) {
throw new MessageNotWriteableException("the message body is read-only");
}
try {
p.writeShort(value);
} catch (IOException e) {
throw new JMSException("IOException");
}
}
@Override
public void writeChar(final char value) throws JMSException {
if (!bodyWriteOnly) {
throw new MessageNotWriteableException("the message body is read-only");
}
try {
p.writeChar(value);
} catch (IOException e) {
throw new JMSException("IOException");
}
}
@Override
public void writeInt(final int value) throws JMSException {
if (!bodyWriteOnly) {
throw new MessageNotWriteableException("the message body is read-only");
}
try {
p.writeInt(value);
} catch (IOException e) {
throw new JMSException("IOException");
}
}
@Override
public void writeLong(final long value) throws JMSException {
if (!bodyWriteOnly) {
throw new MessageNotWriteableException("the message body is read-only");
}
try {
p.writeLong(value);
} catch (IOException e) {
throw new JMSException("IOException");
}
}
@Override
public void writeFloat(final float value) throws JMSException {
if (!bodyWriteOnly) {
throw new MessageNotWriteableException("the message body is read-only");
}
try {
p.writeFloat(value);
} catch (IOException e) {
throw new JMSException("IOException");
}
}
@Override
public void writeDouble(final double value) throws JMSException {
if (!bodyWriteOnly) {
throw new MessageNotWriteableException("the message body is read-only");
}
try {
p.writeDouble(value);
} catch (IOException e) {
throw new JMSException("IOException");
}
}
@Override
public void writeUTF(final String value) throws JMSException {
if (!bodyWriteOnly) {
throw new MessageNotWriteableException("the message body is read-only");
}
try {
p.writeUTF(value);
} catch (IOException e) {
throw new JMSException("IOException");
}
}
@Override
public void writeBytes(final byte[] value) throws JMSException {
if (!bodyWriteOnly) {
throw new MessageNotWriteableException("the message body is read-only");
}
try {
p.write(value, 0, value.length);
} catch (IOException e) {
throw new JMSException("IOException");
}
}
@Override
public void writeBytes(final byte[] value, final int offset, final int length) throws JMSException {
if (!bodyWriteOnly) {
throw new MessageNotWriteableException("the message body is read-only");
}
try {
p.write(value, offset, length);
} catch (IOException e) {
throw new JMSException("IOException");
}
}
@Override
public void writeObject(final Object value) throws JMSException {
if (!bodyWriteOnly) {
throw new MessageNotWriteableException("the message body is read-only");
}
try {
if (value == null) {
throw new NullPointerException("Attempt to write a new value");
}
if (value instanceof String) {
p.writeUTF((String) value);
} else if (value instanceof Boolean) {
p.writeBoolean(((Boolean) value).booleanValue());
} else if (value instanceof Byte) {
p.writeByte(((Byte) value).byteValue());
} else if (value instanceof Short) {
p.writeShort(((Short) value).shortValue());
} else if (value instanceof Integer) {
p.writeInt(((Integer) value).intValue());
} else if (value instanceof Long) {
p.writeLong(((Long) value).longValue());
} else if (value instanceof Float) {
p.writeFloat(((Float) value).floatValue());
} else if (value instanceof Double) {
p.writeDouble(((Double) value).doubleValue());
} else if (value instanceof byte[]) {
p.write((byte[]) value, 0, ((byte[]) value).length);
} else {
throw new MessageFormatException("Invalid object for properties");
}
} catch (IOException e) {
throw new JMSException("IOException");
}
}
@Override
public void reset() throws JMSException {
try {
if (bodyWriteOnly) {
p.flush();
internalArray = ostream.toByteArray();
ostream.close();
}
ostream = null;
istream = null;
m = null;
p = null;
bodyWriteOnly = false;
} catch (IOException e) {
throw new JMSException("IOException");
}
}
@Override
public long getBodyLength() throws JMSException {
checkRead();
return internalArray.length;
}
// Public --------------------------------------------------------
// Package protected ---------------------------------------------
// Protected -----------------------------------------------------
// Private -------------------------------------------------------
/**
* Check the message is readable
*
* @throws javax.jms.JMSException when not readable
*/
private void checkRead() throws JMSException {
if (bodyWriteOnly) {
throw new MessageNotReadableException("readByte while the buffer is writeonly");
}
// We have just received/reset() the message, and the client is trying to
// read it
if (istream == null || m == null) {
istream = new ByteArrayInputStream(internalArray);
m = new DataInputStream(istream);
}
}
// Inner classes -------------------------------------------------
}