User: juhalindfors
Date: 01/12/05 06:22:30
Added: src/main/org/jboss/mx/metadata MetaDataBuilder.java
StandardMetaData.java
Log:
builder interface and impl. for standard conventions
Revision Changes Path
1.1 jmx/src/main/org/jboss/mx/metadata/MetaDataBuilder.java
Index: MetaDataBuilder.java
===================================================================
/*
* LGPL
*/
package org.jboss.mx.metadata;
import javax.management.MBeanInfo;
import javax.management.NotCompliantMBeanException;
public interface MetaDataBuilder {
public MBeanInfo build() throws NotCompliantMBeanException;
}
1.1 jmx/src/main/org/jboss/mx/metadata/StandardMetaData.java
Index: StandardMetaData.java
===================================================================
/*
* LGPL
*/
package org.jboss.mx.metadata;
import java.util.Map;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.ArrayList;
import java.lang.reflect.Method;
import java.lang.reflect.Constructor;
import javax.management.NotCompliantMBeanException;
import javax.management.IntrospectionException;
import javax.management.MBeanInfo;
import javax.management.MBeanAttributeInfo;
import javax.management.MBeanOperationInfo;
import javax.management.MBeanConstructorInfo;
import javax.management.MBeanNotificationInfo;
import javax.management.NotificationBroadcaster;
import org.jboss.mx.server.StandardMBean;
public class StandardMetaData implements MetaDataBuilder {
private Object resource = null;
public StandardMetaData(Object resource) {
this.resource = resource;
}
public MBeanInfo build() throws NotCompliantMBeanException {
Class stdInterface = StandardMBean.getMBeanInterface(resource);
Method[] methods = stdInterface.getMethods();
HashMap getters = new HashMap();
HashMap setters = new HashMap();
List operInfo = new ArrayList();
List attrInfo = new ArrayList();
MBeanConstructorInfo[] constrInfo = null;
try {
for (int i = 0; i < methods.length; ++i) {
String methodName = methods[i].getName();
if (methodName.startsWith("set"))
setters.put(methodName.substring(3, methodName.length()), methods[i]);
else if (methodName.startsWith("get"))
getters.put(methodName.substring(3, methodName.length()), methods[i]);
else if (methodName.startsWith("is"))
getters.put(methodName.substring(2, methodName.length()), methods[i]);
else operInfo.add(new MBeanOperationInfo("MBean Operation.",
methods[i]));
}
Object[] keys = getters.keySet().toArray();
for (int i = 0; i < keys.length; ++i) {
String attrName = (String)keys[i];
Method getter = (Method)getters.remove(attrName);
Method setter = (Method)setters.remove(attrName);
attrInfo.add(new MBeanAttributeInfo(attrName, "MBean Attribute.",
getter, setter));
}
Iterator it = setters.keySet().iterator();
while(it.hasNext()) {
String attrName = (String)it.next();
Method setter = (Method)setters.get(attrName);
attrInfo.add(new MBeanAttributeInfo(attrName, "MBean Attribute.", null,
setter));
}
Constructor[] constructors = resource.getClass().getConstructors();
constrInfo = new MBeanConstructorInfo[constructors.length];
for (int i = 0; i < constructors.length; ++i)
constrInfo[i] = new MBeanConstructorInfo("MBean Constructor.",
constructors[i]);
MBeanNotificationInfo[] notifInfo = null;
if (resource instanceof NotificationBroadcaster)
notifInfo = ((NotificationBroadcaster)resource).getNotificationInfo();
return new MBeanInfo(resource.getClass().getName(),
resource.getClass().getName(),
(MBeanAttributeInfo[])attrInfo.toArray(new MBeanAttributeInfo[0]),
constrInfo,
(MBeanOperationInfo[])operInfo.toArray(new MBeanOperationInfo[0]),
notifInfo
);
}
catch (IntrospectionException e) {
throw new NotCompliantMBeanException(e.getMessage());
}
};
}
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