/**
* 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.apollo.openwire.command;
import org.apache.activemq.apollo.openwire.codec.OpenWireFormat;
import org.apache.activemq.apollo.openwire.support.MarshallingSupport;
import org.apache.activemq.apollo.openwire.support.OpenwireException;
import org.apache.activemq.apollo.openwire.support.Settings;
import org.fusesource.hawtbuf.Buffer;
import org.fusesource.hawtbuf.ByteArrayInputStream;
import org.fusesource.hawtbuf.ByteArrayOutputStream;
import java.io.*;
import java.util.Collections;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;
import java.util.zip.DeflaterOutputStream;
import java.util.zip.InflaterInputStream;
/**
* @openwire:marshaller
*/
public class ActiveMQMapMessage extends ActiveMQMessage {
public static final byte DATA_STRUCTURE_TYPE = CommandTypes.ACTIVEMQ_MAP_MESSAGE;
protected transient Map<String, Object> map = new HashMap<String, Object>();
private Object readResolve() throws ObjectStreamException {
if(this.map == null) {
this.map = new HashMap<String, Object>();
}
return this;
}
public Message copy() {
ActiveMQMapMessage copy = new ActiveMQMapMessage();
copy(copy);
return copy;
}
private void copy(ActiveMQMapMessage copy) {
storeContent();
super.copy(copy);
}
// We only need to marshal the content if we are hitting the wire.
public void beforeMarshall(OpenWireFormat wireFormat) throws IOException {
super.beforeMarshall(wireFormat);
storeContent();
}
public void clearMarshalledState() {
super.clearMarshalledState();
map.clear();
}
private void storeContent() {
try {
if (getContent() == null && !map.isEmpty()) {
ByteArrayOutputStream bytesOut = new ByteArrayOutputStream();
OutputStream os = bytesOut;
if (Settings.enable_compression()) {
compressed = true;
os = new DeflaterOutputStream(os);
}
DataOutputStream dataOut = new DataOutputStream(os);
MarshallingSupport.marshalPrimitiveMap(map, dataOut);
dataOut.close();
setContent(bytesOut.toBuffer());
}
} catch (IOException e) {
throw new RuntimeException(e);
}
}
/**
* Builds the message body from data
*
* @throws OpenwireException
*/
private void loadContent() throws OpenwireException {
try {
if (getContent() != null && map.isEmpty()) {
Buffer content = getContent();
InputStream is = new ByteArrayInputStream(content);
if (isCompressed()) {
is = new InflaterInputStream(is);
}
DataInputStream dataIn = new DataInputStream(is);
map = MarshallingSupport.unmarshalPrimitiveMap(dataIn);
dataIn.close();
}
} catch (IOException e) {
throw new OpenwireException(e);
}
}
public byte getDataStructureType() {
return DATA_STRUCTURE_TYPE;
}
public String getJMSXMimeType() {
return "jms/map-message";
}
public void clearBody() throws OpenwireException {
super.clearBody();
map.clear();
}
public boolean getBoolean(String name) throws OpenwireException {
initializeReading();
Object value = map.get(name);
if (value == null) {
return false;
}
if (value instanceof Boolean) {
return ((Boolean)value).booleanValue();
}
if (value instanceof String) {
return Boolean.valueOf(value.toString()).booleanValue();
} else {
throw new OpenwireException(" cannot read a boolean from " + value.getClass().getName());
}
}
public byte getByte(String name) throws OpenwireException {
initializeReading();
Object value = map.get(name);
if (value == null) {
return 0;
}
if (value instanceof Byte) {
return ((Byte)value).byteValue();
}
if (value instanceof String) {
return Byte.valueOf(value.toString()).byteValue();
} else {
throw new OpenwireException(" cannot read a byte from " + value.getClass().getName());
}
}
public short getShort(String name) throws OpenwireException {
initializeReading();
Object value = map.get(name);
if (value == null) {
return 0;
}
if (value instanceof Short) {
return ((Short)value).shortValue();
}
if (value instanceof Byte) {
return ((Byte)value).shortValue();
}
if (value instanceof String) {
return Short.valueOf(value.toString()).shortValue();
} else {
throw new OpenwireException(" cannot read a short from " + value.getClass().getName());
}
}
public char getChar(String name) throws OpenwireException {
initializeReading();
Object value = map.get(name);
if (value == null) {
throw new NullPointerException();
}
if (value instanceof Character) {
return ((Character)value).charValue();
} else {
throw new OpenwireException(" cannot read a short from " + value.getClass().getName());
}
}
public int getInt(String name) throws OpenwireException {
initializeReading();
Object value = map.get(name);
if (value == null) {
return 0;
}
if (value instanceof Integer) {
return ((Integer)value).intValue();
}
if (value instanceof Short) {
return ((Short)value).intValue();
}
if (value instanceof Byte) {
return ((Byte)value).intValue();
}
if (value instanceof String) {
return Integer.valueOf(value.toString()).intValue();
} else {
throw new OpenwireException(" cannot read an int from " + value.getClass().getName());
}
}
public long getLong(String name) throws OpenwireException {
initializeReading();
Object value = map.get(name);
if (value == null) {
return 0;
}
if (value instanceof Long) {
return ((Long)value).longValue();
}
if (value instanceof Integer) {
return ((Integer)value).longValue();
}
if (value instanceof Short) {
return ((Short)value).longValue();
}
if (value instanceof Byte) {
return ((Byte)value).longValue();
}
if (value instanceof String) {
return Long.valueOf(value.toString()).longValue();
} else {
throw new OpenwireException(" cannot read a long from " + value.getClass().getName());
}
}
public float getFloat(String name) throws OpenwireException {
initializeReading();
Object value = map.get(name);
if (value == null) {
return 0;
}
if (value instanceof Float) {
return ((Float)value).floatValue();
}
if (value instanceof String) {
return Float.valueOf(value.toString()).floatValue();
} else {
throw new OpenwireException(" cannot read a float from " + value.getClass().getName());
}
}
public double getDouble(String name) throws OpenwireException {
initializeReading();
Object value = map.get(name);
if (value == null) {
return 0;
}
if (value instanceof Double) {
return ((Double)value).doubleValue();
}
if (value instanceof Float) {
return ((Float)value).floatValue();
}
if (value instanceof String) {
return Float.valueOf(value.toString()).floatValue();
} else {
throw new OpenwireException(" cannot read a double from " + value.getClass().getName());
}
}
public String getString(String name) throws OpenwireException {
initializeReading();
Object value = map.get(name);
if (value == null) {
return null;
}
if (value instanceof byte[]) {
throw new OpenwireException("Use getBytes to read a byte array");
} else {
return value.toString();
}
}
public byte[] getBytes(String name) throws OpenwireException {
initializeReading();
Object value = map.get(name);
if (value instanceof byte[]) {
return (byte[])value;
} else {
throw new OpenwireException(" cannot read a byte[] from " + value.getClass().getName());
}
}
public Object getObject(String name) throws OpenwireException {
initializeReading();
return map.get(name);
}
public Enumeration<String> getMapNames() throws OpenwireException {
initializeReading();
return Collections.enumeration(map.keySet());
}
protected void put(String name, Object value) throws OpenwireException {
if (name == null) {
throw new IllegalArgumentException("The name of the property cannot be null.");
}
if (name.length() == 0) {
throw new IllegalArgumentException("The name of the property cannot be an emprty string.");
}
map.put(name, value);
}
public void setBoolean(String name, boolean value) throws OpenwireException {
initializeWriting();
put(name, value ? Boolean.TRUE : Boolean.FALSE);
}
public void setByte(String name, byte value) throws OpenwireException {
initializeWriting();
put(name, Byte.valueOf(value));
}
public void setShort(String name, short value) throws OpenwireException {
initializeWriting();
put(name, Short.valueOf(value));
}
public void setChar(String name, char value) throws OpenwireException {
initializeWriting();
put(name, Character.valueOf(value));
}
public void setInt(String name, int value) throws OpenwireException {
initializeWriting();
put(name, Integer.valueOf(value));
}
public void setLong(String name, long value) throws OpenwireException {
initializeWriting();
put(name, Long.valueOf(value));
}
public void setFloat(String name, float value) throws OpenwireException {
initializeWriting();
put(name, new Float(value));
}
public void setDouble(String name, double value) throws OpenwireException {
initializeWriting();
put(name, new Double(value));
}
public void setString(String name, String value) throws OpenwireException {
initializeWriting();
put(name, value);
}
public void setBytes(String name, byte[] value) throws OpenwireException {
initializeWriting();
if (value != null) {
put(name, value);
} else {
map.remove(name);
}
}
public void setBytes(String name, byte[] value, int offset, int length) throws OpenwireException {
initializeWriting();
byte[] data = new byte[length];
System.arraycopy(value, offset, data, 0, length);
put(name, data);
}
public void setObject(String name, Object value) throws OpenwireException {
initializeWriting();
if (value != null) {
// byte[] not allowed on properties
if (!(value instanceof byte[])) {
checkValidObject(value);
}
put(name, value);
} else {
put(name, null);
}
}
public boolean itemExists(String name) throws OpenwireException {
initializeReading();
return map.containsKey(name);
}
private void initializeReading() throws OpenwireException {
loadContent();
}
private void initializeWriting() throws OpenwireException {
checkReadOnlyBody();
setContent(null);
}
public String toString() {
return super.toString() + " ActiveMQMapMessage{ " + "theTable = " + map + " }";
}
public Map<String, Object> getContentMap() throws OpenwireException {
initializeReading();
return map;
}
}