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Puts together an ActiveMQ OSGi bundle
/**
* 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.console.filter;
import java.lang.reflect.Array;
import java.lang.reflect.Method;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Properties;
import java.util.Arrays;
import javax.jms.DeliveryMode;
import javax.jms.JMSException;
import javax.management.Attribute;
import javax.management.AttributeList;
import javax.management.ObjectInstance;
import javax.management.ObjectName;
import javax.management.openmbean.CompositeDataSupport;
import org.apache.activemq.command.ActiveMQBytesMessage;
import org.apache.activemq.command.ActiveMQDestination;
import org.apache.activemq.command.ActiveMQMapMessage;
import org.apache.activemq.command.ActiveMQMessage;
import org.apache.activemq.command.ActiveMQObjectMessage;
import org.apache.activemq.command.ActiveMQStreamMessage;
import org.apache.activemq.command.ActiveMQTextMessage;
import org.apache.activemq.console.util.AmqMessagesUtil;
public class MapTransformFilter extends ResultTransformFilter {
/**
* Creates a Map transform filter that is able to transform a variety of
* objects to a properties map object
*
* @param next - the next query filter
*/
public MapTransformFilter(QueryFilter next) {
super(next);
}
/**
* Transform the given object to a Map object
*
* @param object - object to transform
* @return map object
*/
protected Object transformElement(Object object) throws Exception {
// Use reflection to determine how the object should be transformed
try {
Method method = this.getClass().getDeclaredMethod("transformToMap", new Class[] {
object.getClass()
});
return (Map)method.invoke(this, new Object[] {
object
});
} catch (NoSuchMethodException e) {
// CommandContext.print("Unable to transform mbean of type: " + object.getClass().getName() + ". No corresponding transformToMap method found.");
return null;
}
}
/**
* Transform an ObjectInstance mbean to a Map
*
* @param obj - ObjectInstance format of an mbean
* @return map object
*/
protected Map transformToMap(ObjectInstance obj) {
return transformToMap(obj.getObjectName());
}
/**
* Transform an ObjectName mbean to a Map
*
* @param objname - ObjectName format of an mbean
* @return map object
*/
protected Map transformToMap(ObjectName objname) {
Properties props = new Properties();
// Parse object properties
Map objProps = objname.getKeyPropertyList();
for (Iterator i = objProps.keySet().iterator(); i.hasNext();) {
Object key = i.next();
Object val = objProps.get(key);
if (val != null) {
props.setProperty(key.toString(), getDisplayString(val));
}
}
return props;
}
/**
* Transform an Attribute List format of an mbean to a Map
*
* @param list - AttributeList format of an mbean
* @return map object
*/
protected Map transformToMap(AttributeList list) {
Properties props = new Properties();
for (Iterator i = list.iterator(); i.hasNext();) {
Attribute attrib = (Attribute)i.next();
// If attribute is an ObjectName
if (attrib.getName().equals(MBeansAttributeQueryFilter.KEY_OBJECT_NAME_ATTRIBUTE)) {
props.putAll(transformToMap((ObjectName)attrib.getValue()));
} else {
if (attrib.getValue() != null) {
props.setProperty(attrib.getName(), getDisplayString(attrib.getValue()));
}
}
}
return props;
}
/**
* Transform an ActiveMQTextMessage to a Map
*
* @param msg - text message to trasnform
* @return map object
* @throws JMSException
*/
protected Map transformToMap(ActiveMQTextMessage msg) throws JMSException {
Properties props = new Properties();
props.putAll(transformToMap((ActiveMQMessage)msg));
if (msg.getText() != null) {
props.setProperty(AmqMessagesUtil.JMS_MESSAGE_BODY_PREFIX + "JMSText", msg.getText());
}
return props;
}
/**
* Transform an ActiveMQBytesMessage to a Map
*
* @param msg - bytes message to transform
* @return map object
* @throws JMSException
*/
protected Map transformToMap(ActiveMQBytesMessage msg) throws JMSException {
Properties props = new Properties();
props.putAll(transformToMap((ActiveMQMessage)msg));
long bodyLength = msg.getBodyLength();
byte[] msgBody;
int i = 0;
// Create separate bytes messages
for (i = 0; i < (bodyLength / Integer.MAX_VALUE); i++) {
msgBody = new byte[Integer.MAX_VALUE];
props.setProperty(AmqMessagesUtil.JMS_MESSAGE_BODY_PREFIX + "JMSBytes:" + (i + 1), new String(msgBody));
}
msgBody = new byte[(int)(bodyLength % Integer.MAX_VALUE)];
props.setProperty(AmqMessagesUtil.JMS_MESSAGE_BODY_PREFIX + "JMSBytes:" + (i + 1), new String(msgBody));
return props;
}
/**
* Transform an ActiveMQMessage to a Map
*
* @param msg - object message to transform
* @return map object
* @throws JMSException
*/
protected Map transformToMap(ActiveMQObjectMessage msg) throws JMSException {
Properties props = new Properties();
props.putAll(transformToMap((ActiveMQMessage)msg));
if (msg.getObject() != null) {
// Just add the class name and toString value of the object
props.setProperty(AmqMessagesUtil.JMS_MESSAGE_BODY_PREFIX + "JMSObjectClass", msg.getObject().getClass().getName());
props.setProperty(AmqMessagesUtil.JMS_MESSAGE_BODY_PREFIX + "JMSObjectString", getDisplayString(msg.getObject()));
}
return props;
}
/**
* Transform an ActiveMQMapMessage to a Map
*
* @param msg - map message to transform
* @return map object
* @throws JMSException
*/
protected Map transformToMap(ActiveMQMapMessage msg) throws JMSException {
Properties props = new Properties();
props.putAll(transformToMap((ActiveMQMessage)msg));
// Get map properties
Enumeration e = msg.getMapNames();
while (e.hasMoreElements()) {
String key = (String)e.nextElement();
Object val = msg.getObject(key);
if (val != null) {
props.setProperty(AmqMessagesUtil.JMS_MESSAGE_BODY_PREFIX + key, getDisplayString(val));
}
}
return props;
}
/**
* Transform an ActiveMQStreamMessage to a Map
*
* @param msg - stream message to transform
* @return map object
* @throws JMSException
*/
protected Map transformToMap(ActiveMQStreamMessage msg) throws JMSException {
Properties props = new Properties();
props.putAll(transformToMap((ActiveMQMessage)msg));
// Just set the toString of the message as the body of the stream
// message
props.setProperty(AmqMessagesUtil.JMS_MESSAGE_BODY_PREFIX + "JMSStreamMessage", getDisplayString(msg));
return props;
}
/**
* Transform an ActiveMQMessage to a Map
*
* @param msg - message to transform
* @return map object
* @throws JMSException
*/
protected Map transformToMap(ActiveMQMessage msg) throws JMSException {
Map props = new HashMap();
// Get JMS properties
if (msg.getJMSCorrelationID() != null) {
props.put(AmqMessagesUtil.JMS_MESSAGE_HEADER_PREFIX + "JMSCorrelationID", msg.getJMSCorrelationID());
}
props.put(AmqMessagesUtil.JMS_MESSAGE_HEADER_PREFIX + "JMSDeliveryMode", (msg.getJMSDeliveryMode() == DeliveryMode.PERSISTENT) ? "persistent" : "non-persistent");
if (msg.getJMSDestination() != null) {
props.put(AmqMessagesUtil.JMS_MESSAGE_HEADER_PREFIX + "JMSDestination", ((ActiveMQDestination)msg.getJMSDestination()).getPhysicalName());
}
props.put(AmqMessagesUtil.JMS_MESSAGE_HEADER_PREFIX + "JMSExpiration", Long.toString(msg.getJMSExpiration()));
props.put(AmqMessagesUtil.JMS_MESSAGE_HEADER_PREFIX + "JMSMessageID", msg.getJMSMessageID());
props.put(AmqMessagesUtil.JMS_MESSAGE_HEADER_PREFIX + "JMSPriority", Integer.toString(msg.getJMSPriority()));
props.put(AmqMessagesUtil.JMS_MESSAGE_HEADER_PREFIX + "JMSRedelivered", Boolean.toString(msg.getJMSRedelivered()));
if (msg.getJMSReplyTo() != null) {
props.put(AmqMessagesUtil.JMS_MESSAGE_HEADER_PREFIX + "JMSReplyTo", ((ActiveMQDestination)msg.getJMSReplyTo()).getPhysicalName());
}
props.put(AmqMessagesUtil.JMS_MESSAGE_HEADER_PREFIX + "JMSTimestamp", Long.toString(msg.getJMSTimestamp()));
if (msg.getJMSType() != null) {
props.put(AmqMessagesUtil.JMS_MESSAGE_HEADER_PREFIX + "JMSType", msg.getJMSType());
}
// Get custom properties
Enumeration e = msg.getPropertyNames();
while (e.hasMoreElements()) {
String name = (String)e.nextElement();
if (msg.getObjectProperty(name) != null) {
props.put(AmqMessagesUtil.JMS_MESSAGE_CUSTOM_PREFIX + name, getDisplayString(msg.getObjectProperty(name)));
}
}
return props;
}
/**
* Transform an openMBean composite data to a Map
*
* @param data - composite data to transform
* @return map object
*/
protected Map transformToMap(CompositeDataSupport data) {
Properties props = new Properties();
String typeName = data.getCompositeType().getTypeName();
// Retrieve text message
if (typeName.equals(ActiveMQTextMessage.class.getName())) {
props.setProperty(AmqMessagesUtil.JMS_MESSAGE_BODY_PREFIX + "Text", data.get("Text").toString());
// Retrieve byte preview
} else if (typeName.equals(ActiveMQBytesMessage.class.getName())) {
props.setProperty(AmqMessagesUtil.JMS_MESSAGE_BODY_PREFIX + "BodyLength", data.get("BodyLength").toString());
props.setProperty(AmqMessagesUtil.JMS_MESSAGE_BODY_PREFIX + "BodyPreview", new String((byte[])data.get("BodyPreview")));
// Expand content map
} else if (typeName.equals(ActiveMQMapMessage.class.getName())) {
Map contentMap = (Map)data.get("ContentMap");
for (Iterator i = contentMap.keySet().iterator(); i.hasNext();) {
String key = (String)i.next();
props.setProperty(AmqMessagesUtil.JMS_MESSAGE_BODY_PREFIX + key, contentMap.get(key).toString());
}
// Do nothing
} else if (typeName.equals(ActiveMQObjectMessage.class.getName()) || typeName.equals(ActiveMQStreamMessage.class.getName()) || typeName.equals(ActiveMQMessage.class.getName())) {
// Unrecognized composite data. Throw exception.
} else {
throw new IllegalArgumentException("Unrecognized composite data to transform. composite type: " + typeName);
}
// Process the JMS message header values
props.setProperty(AmqMessagesUtil.JMS_MESSAGE_HEADER_PREFIX + "JMSCorrelationID", "" + data.get("JMSCorrelationID"));
props.setProperty(AmqMessagesUtil.JMS_MESSAGE_HEADER_PREFIX + "JMSDestination", "" + data.get("JMSDestination"));
props.setProperty(AmqMessagesUtil.JMS_MESSAGE_HEADER_PREFIX + "JMSMessageID", "" + data.get("JMSMessageID"));
props.setProperty(AmqMessagesUtil.JMS_MESSAGE_HEADER_PREFIX + "JMSReplyTo", "" + data.get("JMSReplyTo"));
props.setProperty(AmqMessagesUtil.JMS_MESSAGE_HEADER_PREFIX + "JMSType", "" + data.get("JMSType"));
props.setProperty(AmqMessagesUtil.JMS_MESSAGE_HEADER_PREFIX + "JMSDeliveryMode", "" + data.get("JMSDeliveryMode"));
props.setProperty(AmqMessagesUtil.JMS_MESSAGE_HEADER_PREFIX + "JMSExpiration", "" + data.get("JMSExpiration"));
props.setProperty(AmqMessagesUtil.JMS_MESSAGE_HEADER_PREFIX + "JMSPriority", "" + data.get("JMSPriority"));
props.setProperty(AmqMessagesUtil.JMS_MESSAGE_HEADER_PREFIX + "JMSRedelivered", "" + data.get("JMSRedelivered"));
props.setProperty(AmqMessagesUtil.JMS_MESSAGE_HEADER_PREFIX + "JMSTimestamp", "" + data.get("JMSTimestamp"));
// Process the JMS custom message properties
props.setProperty(AmqMessagesUtil.JMS_MESSAGE_CUSTOM_PREFIX + "Properties", "" + data.get("Properties"));
return props;
}
@SuppressWarnings("unchecked")
protected String getDisplayString(Object obj) {
if (null == obj)
return "null";
if (obj != null && obj.getClass().isArray()) {
Class type = obj.getClass().getComponentType();
if (!type.isPrimitive()) {
obj = Arrays.asList((Object[]) obj);
} else {
// for primitives, we can't use Arrays.toString(), so we have to roll something similar.
int len = Array.getLength(obj);
if (0 == len)
return "[]";
StringBuilder bldr = new StringBuilder();
bldr.append("[");
for (int i = 0; i <= len; i++) {
bldr.append(Array.get(obj, i));
if (i + 1 >= len)
return bldr.append("]").toString();
bldr.append(",");
}
}
}
return obj.toString();
}
}