/**
* 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.broker.jmx;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.jms.DeliveryMode;
import javax.jms.JMSException;
import javax.management.openmbean.ArrayType;
import javax.management.openmbean.CompositeData;
import javax.management.openmbean.CompositeDataSupport;
import javax.management.openmbean.CompositeType;
import javax.management.openmbean.OpenDataException;
import javax.management.openmbean.OpenType;
import javax.management.openmbean.SimpleType;
import javax.management.openmbean.TabularDataSupport;
import javax.management.openmbean.TabularType;
import org.apache.activemq.broker.region.policy.SlowConsumerEntry;
import org.apache.activemq.broker.scheduler.Job;
import org.apache.activemq.command.ActiveMQBlobMessage;
import org.apache.activemq.command.ActiveMQBytesMessage;
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;
public final class OpenTypeSupport {
interface OpenTypeFactory {
CompositeType getCompositeType() throws OpenDataException;
Map<String, Object> getFields(Object o) throws OpenDataException;
}
private static final Map<Class, AbstractOpenTypeFactory> OPEN_TYPE_FACTORIES = new HashMap<Class, AbstractOpenTypeFactory>();
abstract static class AbstractOpenTypeFactory implements OpenTypeFactory {
private CompositeType compositeType;
private final List<String> itemNamesList = new ArrayList<String>();
private final List<String> itemDescriptionsList = new ArrayList<String>();
private final List<OpenType> itemTypesList = new ArrayList<OpenType>();
public CompositeType getCompositeType() throws OpenDataException {
if (compositeType == null) {
init();
compositeType = createCompositeType();
}
return compositeType;
}
protected void init() throws OpenDataException {
}
protected CompositeType createCompositeType() throws OpenDataException {
String[] itemNames = itemNamesList.toArray(new String[itemNamesList.size()]);
String[] itemDescriptions = itemDescriptionsList.toArray(new String[itemDescriptionsList.size()]);
OpenType[] itemTypes = itemTypesList.toArray(new OpenType[itemTypesList.size()]);
return new CompositeType(getTypeName(), getDescription(), itemNames, itemDescriptions, itemTypes);
}
protected abstract String getTypeName();
protected void addItem(String name, String description, OpenType type) {
itemNamesList.add(name);
itemDescriptionsList.add(description);
itemTypesList.add(type);
}
protected String getDescription() {
return getTypeName();
}
public Map<String, Object> getFields(Object o) throws OpenDataException {
Map<String, Object> rc = new HashMap<String, Object>();
return rc;
}
}
static class MessageOpenTypeFactory extends AbstractOpenTypeFactory {
protected TabularType stringPropertyTabularType;
protected TabularType booleanPropertyTabularType;
protected TabularType bytePropertyTabularType;
protected TabularType shortPropertyTabularType;
protected TabularType intPropertyTabularType;
protected TabularType longPropertyTabularType;
protected TabularType floatPropertyTabularType;
protected TabularType doublePropertyTabularType;
@Override
protected String getTypeName() {
return ActiveMQMessage.class.getName();
}
@Override
protected void init() throws OpenDataException {
super.init();
addItem("JMSCorrelationID", "JMSCorrelationID", SimpleType.STRING);
addItem("JMSDestination", "JMSDestination", SimpleType.STRING);
addItem("JMSMessageID", "JMSMessageID", SimpleType.STRING);
addItem("JMSReplyTo", "JMSReplyTo", SimpleType.STRING);
addItem("JMSType", "JMSType", SimpleType.STRING);
addItem("JMSDeliveryMode", "JMSDeliveryMode", SimpleType.STRING);
addItem("JMSExpiration", "JMSExpiration", SimpleType.LONG);
addItem("JMSPriority", "JMSPriority", SimpleType.INTEGER);
addItem("JMSRedelivered", "JMSRedelivered", SimpleType.BOOLEAN);
addItem("JMSTimestamp", "JMSTimestamp", SimpleType.DATE);
addItem(CompositeDataConstants.JMSXGROUP_ID, "Message Group ID", SimpleType.STRING);
addItem(CompositeDataConstants.JMSXGROUP_SEQ, "Message Group Sequence Number", SimpleType.INTEGER);
addItem(CompositeDataConstants.ORIGINAL_DESTINATION, "Original Destination Before Senting To DLQ", SimpleType.STRING);
addItem(CompositeDataConstants.PROPERTIES, "User Properties Text", SimpleType.STRING);
// now lets expose the type safe properties
stringPropertyTabularType = createTabularType(String.class, SimpleType.STRING);
booleanPropertyTabularType = createTabularType(Boolean.class, SimpleType.BOOLEAN);
bytePropertyTabularType = createTabularType(Byte.class, SimpleType.BYTE);
shortPropertyTabularType = createTabularType(Short.class, SimpleType.SHORT);
intPropertyTabularType = createTabularType(Integer.class, SimpleType.INTEGER);
longPropertyTabularType = createTabularType(Long.class, SimpleType.LONG);
floatPropertyTabularType = createTabularType(Float.class, SimpleType.FLOAT);
doublePropertyTabularType = createTabularType(Double.class, SimpleType.DOUBLE);
addItem(CompositeDataConstants.STRING_PROPERTIES, "User String Properties", stringPropertyTabularType);
addItem(CompositeDataConstants.BOOLEAN_PROPERTIES, "User Boolean Properties", booleanPropertyTabularType);
addItem(CompositeDataConstants.BYTE_PROPERTIES, "User Byte Properties", bytePropertyTabularType);
addItem(CompositeDataConstants.SHORT_PROPERTIES, "User Short Properties", shortPropertyTabularType);
addItem(CompositeDataConstants.INT_PROPERTIES, "User Integer Properties", intPropertyTabularType);
addItem(CompositeDataConstants.LONG_PROPERTIES, "User Long Properties", longPropertyTabularType);
addItem(CompositeDataConstants.FLOAT_PROPERTIES, "User Float Properties", floatPropertyTabularType);
addItem(CompositeDataConstants.DOUBLE_PROPERTIES, "User Double Properties", doublePropertyTabularType);
}
@Override
public Map<String, Object> getFields(Object o) throws OpenDataException {
ActiveMQMessage m = (ActiveMQMessage)o;
Map<String, Object> rc = super.getFields(o);
rc.put("JMSCorrelationID", m.getJMSCorrelationID());
rc.put("JMSDestination", "" + m.getJMSDestination());
rc.put("JMSMessageID", m.getJMSMessageID());
rc.put("JMSReplyTo",toString(m.getJMSReplyTo()));
rc.put("JMSType", m.getJMSType());
rc.put("JMSDeliveryMode", m.getJMSDeliveryMode() == DeliveryMode.PERSISTENT ? "PERSISTENT" : "NON-PERSISTENT");
rc.put("JMSExpiration", Long.valueOf(m.getJMSExpiration()));
rc.put("JMSPriority", Integer.valueOf(m.getJMSPriority()));
rc.put("JMSRedelivered", Boolean.valueOf(m.getJMSRedelivered()));
rc.put("JMSTimestamp", new Date(m.getJMSTimestamp()));
rc.put(CompositeDataConstants.JMSXGROUP_ID, m.getGroupID());
rc.put(CompositeDataConstants.JMSXGROUP_SEQ, m.getGroupSequence());
rc.put(CompositeDataConstants.ORIGINAL_DESTINATION, toString(m.getOriginalDestination()));
try {
rc.put(CompositeDataConstants.PROPERTIES, "" + m.getProperties());
} catch (IOException e) {
rc.put(CompositeDataConstants.PROPERTIES, "");
}
try {
rc.put(CompositeDataConstants.STRING_PROPERTIES, createTabularData(m, stringPropertyTabularType, String.class));
} catch (IOException e) {
rc.put(CompositeDataConstants.STRING_PROPERTIES, new TabularDataSupport(stringPropertyTabularType));
}
try {
rc.put(CompositeDataConstants.BOOLEAN_PROPERTIES, createTabularData(m, booleanPropertyTabularType, Boolean.class));
} catch (IOException e) {
rc.put(CompositeDataConstants.BOOLEAN_PROPERTIES, new TabularDataSupport(booleanPropertyTabularType));
}
try {
rc.put(CompositeDataConstants.BYTE_PROPERTIES, createTabularData(m, bytePropertyTabularType, Byte.class));
} catch (IOException e) {
rc.put(CompositeDataConstants.BYTE_PROPERTIES, new TabularDataSupport(bytePropertyTabularType));
}
try {
rc.put(CompositeDataConstants.SHORT_PROPERTIES, createTabularData(m, shortPropertyTabularType, Short.class));
} catch (IOException e) {
rc.put(CompositeDataConstants.SHORT_PROPERTIES, new TabularDataSupport(shortPropertyTabularType));
}
try {
rc.put(CompositeDataConstants.INT_PROPERTIES, createTabularData(m, intPropertyTabularType, Integer.class));
} catch (IOException e) {
rc.put(CompositeDataConstants.INT_PROPERTIES, new TabularDataSupport(intPropertyTabularType));
}
try {
rc.put(CompositeDataConstants.LONG_PROPERTIES, createTabularData(m, longPropertyTabularType, Long.class));
} catch (IOException e) {
rc.put(CompositeDataConstants.LONG_PROPERTIES, new TabularDataSupport(longPropertyTabularType));
}
try {
rc.put(CompositeDataConstants.FLOAT_PROPERTIES, createTabularData(m, floatPropertyTabularType, Float.class));
} catch (IOException e) {
rc.put(CompositeDataConstants.FLOAT_PROPERTIES, new TabularDataSupport(floatPropertyTabularType));
}
try {
rc.put(CompositeDataConstants.DOUBLE_PROPERTIES, createTabularData(m, doublePropertyTabularType, Double.class));
} catch (IOException e) {
rc.put(CompositeDataConstants.DOUBLE_PROPERTIES, new TabularDataSupport(doublePropertyTabularType));
}
return rc;
}
protected String toString(Object value) {
if (value == null) {
return null;
}
return value.toString();
}
protected <T> TabularType createTabularType(Class<T> type, OpenType openType) throws OpenDataException {
String typeName = "java.util.Map<java.lang.String, " + type.getName() + ">";
String[] keyValue = new String[]{"key", "value"};
OpenType[] openTypes = new OpenType[]{SimpleType.STRING, openType};
CompositeType rowType = new CompositeType(typeName, typeName, keyValue, keyValue, openTypes);
return new TabularType(typeName, typeName, rowType, new String[]{"key"});
}
protected TabularDataSupport createTabularData(ActiveMQMessage m, TabularType type, Class valueType) throws IOException, OpenDataException {
TabularDataSupport answer = new TabularDataSupport(type);
Set<Map.Entry<String,Object>> entries = m.getProperties().entrySet();
for (Map.Entry<String, Object> entry : entries) {
Object value = entry.getValue();
if (valueType.isInstance(value)) {
CompositeDataSupport compositeData = createTabularRowValue(type, entry.getKey(), value);
answer.put(compositeData);
}
}
return answer;
}
protected CompositeDataSupport createTabularRowValue(TabularType type, String key, Object value) throws OpenDataException {
Map<String,Object> fields = new HashMap<String, Object>();
fields.put("key", key);
fields.put("value", value);
return new CompositeDataSupport(type.getRowType(), fields);
}
}
static class ByteMessageOpenTypeFactory extends MessageOpenTypeFactory {
@Override
protected String getTypeName() {
return ActiveMQBytesMessage.class.getName();
}
@Override
protected void init() throws OpenDataException {
super.init();
addItem(CompositeDataConstants.BODY_LENGTH, "Body length", SimpleType.LONG);
addItem(CompositeDataConstants.BODY_PREVIEW, "Body preview", new ArrayType(1, SimpleType.BYTE));
}
@Override
public Map<String, Object> getFields(Object o) throws OpenDataException {
ActiveMQBytesMessage m = (ActiveMQBytesMessage)o;
m.setReadOnlyBody(true);
Map<String, Object> rc = super.getFields(o);
long length = 0;
try {
length = m.getBodyLength();
rc.put(CompositeDataConstants.BODY_LENGTH, Long.valueOf(length));
} catch (JMSException e) {
rc.put(CompositeDataConstants.BODY_LENGTH, Long.valueOf(0));
}
try {
byte preview[] = new byte[(int)Math.min(length, 255)];
m.readBytes(preview);
m.reset();
// This is whack! Java 1.5 JMX spec does not support primitive
// arrays!
// In 1.6 it seems it is supported.. but until then...
Byte data[] = new Byte[preview.length];
for (int i = 0; i < data.length; i++) {
data[i] = new Byte(preview[i]);
}
rc.put(CompositeDataConstants.BODY_PREVIEW, data);
} catch (JMSException e) {
rc.put(CompositeDataConstants.BODY_PREVIEW, new Byte[] {});
}
return rc;
}
}
static class MapMessageOpenTypeFactory extends MessageOpenTypeFactory {
@Override
protected String getTypeName() {
return ActiveMQMapMessage.class.getName();
}
@Override
protected void init() throws OpenDataException {
super.init();
addItem(CompositeDataConstants.CONTENT_MAP, "Content map", SimpleType.STRING);
}
@Override
public Map<String, Object> getFields(Object o) throws OpenDataException {
ActiveMQMapMessage m = (ActiveMQMapMessage)o;
Map<String, Object> rc = super.getFields(o);
try {
rc.put(CompositeDataConstants.CONTENT_MAP, "" + m.getContentMap());
} catch (JMSException e) {
rc.put(CompositeDataConstants.CONTENT_MAP, "");
}
return rc;
}
}
static class ObjectMessageOpenTypeFactory extends MessageOpenTypeFactory {
@Override
protected String getTypeName() {
return ActiveMQObjectMessage.class.getName();
}
@Override
protected void init() throws OpenDataException {
super.init();
}
@Override
public Map<String, Object> getFields(Object o) throws OpenDataException {
Map<String, Object> rc = super.getFields(o);
return rc;
}
}
static class StreamMessageOpenTypeFactory extends MessageOpenTypeFactory {
@Override
protected String getTypeName() {
return ActiveMQStreamMessage.class.getName();
}
@Override
protected void init() throws OpenDataException {
super.init();
}
@Override
public Map<String, Object> getFields(Object o) throws OpenDataException {
Map<String, Object> rc = super.getFields(o);
return rc;
}
}
static class TextMessageOpenTypeFactory extends MessageOpenTypeFactory {
@Override
protected String getTypeName() {
return ActiveMQTextMessage.class.getName();
}
@Override
protected void init() throws OpenDataException {
super.init();
addItem(CompositeDataConstants.MESSAGE_TEXT, CompositeDataConstants.MESSAGE_TEXT, SimpleType.STRING);
}
@Override
public Map<String, Object> getFields(Object o) throws OpenDataException {
ActiveMQTextMessage m = (ActiveMQTextMessage)o;
Map<String, Object> rc = super.getFields(o);
try {
rc.put(CompositeDataConstants.MESSAGE_TEXT, "" + m.getText());
} catch (JMSException e) {
rc.put(CompositeDataConstants.MESSAGE_TEXT, "");
}
return rc;
}
}
static class JobOpenTypeFactory extends AbstractOpenTypeFactory {
@Override
protected String getTypeName() {
return Job.class.getName();
}
@Override
protected void init() throws OpenDataException {
super.init();
addItem("jobId", "jobId", SimpleType.STRING);
addItem("cronEntry", "Cron entry", SimpleType.STRING);
addItem("start", "start time", SimpleType.STRING);
addItem("delay", "initial delay", SimpleType.LONG);
addItem("next", "next time", SimpleType.STRING);
addItem("period", "period between jobs", SimpleType.LONG);
addItem("repeat", "number of times to repeat", SimpleType.INTEGER);
}
@Override
public Map<String, Object> getFields(Object o) throws OpenDataException {
Job job = (Job) o;
Map<String, Object> rc = super.getFields(o);
rc.put("jobId", job.getJobId());
rc.put("cronEntry", "" + job.getCronEntry());
rc.put("start", job.getStartTime());
rc.put("delay", job.getDelay());
rc.put("next", job.getNextExecutionTime());
rc.put("period", job.getPeriod());
rc.put("repeat", job.getRepeat());
return rc;
}
}
static class ActiveMQBlobMessageOpenTypeFactory extends MessageOpenTypeFactory {
@Override
protected String getTypeName() {
return ActiveMQBlobMessage.class.getName();
}
@Override
protected void init() throws OpenDataException {
super.init();
addItem(CompositeDataConstants.MESSAGE_URL, "Body Url", SimpleType.STRING);
}
@Override
public Map<String, Object> getFields(Object o) throws OpenDataException {
ActiveMQBlobMessage m = (ActiveMQBlobMessage)o;
Map<String, Object> rc = super.getFields(o);
try {
rc.put(CompositeDataConstants.MESSAGE_URL, "" + m.getURL().toString());
} catch (JMSException e) {
rc.put(CompositeDataConstants.MESSAGE_URL, "");
}
return rc;
}
}
static class SlowConsumerEntryOpenTypeFactory extends AbstractOpenTypeFactory {
@Override
protected String getTypeName() {
return SlowConsumerEntry.class.getName();
}
@Override
protected void init() throws OpenDataException {
super.init();
addItem("subscription", "the subscription view", SimpleType.OBJECTNAME);
addItem("slowCount", "number of times deemed slow", SimpleType.INTEGER);
addItem("markCount", "number of periods remaining slow", SimpleType.INTEGER);
}
@Override
public Map<String, Object> getFields(Object o) throws OpenDataException {
SlowConsumerEntry entry = (SlowConsumerEntry) o;
Map<String, Object> rc = super.getFields(o);
rc.put("subscription", entry.getSubscription());
rc.put("slowCount", Integer.valueOf(entry.getSlowCount()));
rc.put("markCount", Integer.valueOf(entry.getMarkCount()));
return rc;
}
}
static {
OPEN_TYPE_FACTORIES.put(ActiveMQMessage.class, new MessageOpenTypeFactory());
OPEN_TYPE_FACTORIES.put(ActiveMQBytesMessage.class, new ByteMessageOpenTypeFactory());
OPEN_TYPE_FACTORIES.put(ActiveMQMapMessage.class, new MapMessageOpenTypeFactory());
OPEN_TYPE_FACTORIES.put(ActiveMQObjectMessage.class, new ObjectMessageOpenTypeFactory());
OPEN_TYPE_FACTORIES.put(ActiveMQStreamMessage.class, new StreamMessageOpenTypeFactory());
OPEN_TYPE_FACTORIES.put(ActiveMQTextMessage.class, new TextMessageOpenTypeFactory());
OPEN_TYPE_FACTORIES.put(Job.class, new JobOpenTypeFactory());
OPEN_TYPE_FACTORIES.put(SlowConsumerEntry.class, new SlowConsumerEntryOpenTypeFactory());
OPEN_TYPE_FACTORIES.put(ActiveMQBlobMessage.class, new ActiveMQBlobMessageOpenTypeFactory());
}
private OpenTypeSupport() {
}
public static OpenTypeFactory getFactory(Class<?> clazz) throws OpenDataException {
return OPEN_TYPE_FACTORIES.get(clazz);
}
public static CompositeData convert(Object message) throws OpenDataException {
OpenTypeFactory f = getFactory(message.getClass());
if (f == null) {
throw new OpenDataException("Cannot create a CompositeData for type: " + message.getClass().getName());
}
CompositeType ct = f.getCompositeType();
Map<String, Object> fields = f.getFields(message);
return new CompositeDataSupport(ct, fields);
}
}