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org.apache.tomcat.util.modeler.modules.MbeansDescriptorsDOMSource Maven / Gradle / Ivy
/*
* 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.tomcat.util.modeler.modules;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import javax.management.ObjectName;
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
import org.apache.tomcat.util.DomUtil;
import org.apache.tomcat.util.modeler.AttributeInfo;
import org.apache.tomcat.util.modeler.ManagedBean;
import org.apache.tomcat.util.modeler.NotificationInfo;
import org.apache.tomcat.util.modeler.OperationInfo;
import org.apache.tomcat.util.modeler.ParameterInfo;
import org.apache.tomcat.util.modeler.Registry;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
public class MbeansDescriptorsDOMSource extends ModelerSource
{
private static final Log log = LogFactory.getLog(MbeansDescriptorsDOMSource.class);
Registry registry;
String location;
String type;
Object source;
List mbeans=new ArrayList();
public void setRegistry(Registry reg) {
this.registry=reg;
}
public void setLocation( String loc ) {
this.location=loc;
}
/** Used if a single component is loaded
*
* @param type
*/
public void setType( String type ) {
this.type=type;
}
public void setSource( Object source ) {
this.source=source;
}
@Override
public List loadDescriptors( Registry registry, String location,
String type, Object source)
throws Exception
{
setRegistry(registry);
setLocation(location);
setType(type);
setSource(source);
execute();
return mbeans;
}
public void execute() throws Exception {
if( registry==null ) registry=Registry.getRegistry(null, null);
try {
InputStream stream=(InputStream)source;
long t1=System.currentTimeMillis();
Document doc=DomUtil.readXml(stream);
// Ignore for now the name of the root element
Node descriptorsN=doc.getDocumentElement();
//Node descriptorsN=DomUtil.getChild(doc, "mbeans-descriptors");
if( descriptorsN == null ) {
log.error("No descriptors found");
return;
}
Node firstMbeanN=null;
if( "mbean".equals( descriptorsN.getNodeName() ) ) {
firstMbeanN=descriptorsN;
} else {
firstMbeanN=DomUtil.getChild(descriptorsN, "mbean");
}
if( firstMbeanN==null ) {
log.error(" No mbean tags ");
return;
}
// Process each element
for (Node mbeanN = firstMbeanN; mbeanN != null;
mbeanN= DomUtil.getNext(mbeanN))
{
// Create a new managed bean info
ManagedBean managed=new ManagedBean();
DomUtil.setAttributes(managed, mbeanN);
Node firstN;
// Process descriptor subnode
/*Node mbeanDescriptorN =
DomUtil.getChild(mbeanN, "descriptor");
if (mbeanDescriptorN != null) {
Node firstFieldN =
DomUtil.getChild(mbeanDescriptorN, "field");
for (Node fieldN = firstFieldN; fieldN != null;
fieldN = DomUtil.getNext(fieldN)) {
FieldInfo fi = new FieldInfo();
DomUtil.setAttributes(fi, fieldN);
managed.addField(fi);
}
}*/
// process attribute nodes
firstN=DomUtil.getChild( mbeanN, "attribute");
for (Node descN = firstN; descN != null;
descN = DomUtil.getNext( descN ))
{
// Create new attribute info
AttributeInfo ai=new AttributeInfo();
DomUtil.setAttributes(ai, descN);
// Process descriptor subnode
/*Node descriptorN =
DomUtil.getChild(descN, "descriptor");
if (descriptorN != null) {
Node firstFieldN =
DomUtil.getChild(descriptorN, "field");
for (Node fieldN = firstFieldN; fieldN != null;
fieldN = DomUtil.getNext(fieldN)) {
FieldInfo fi = new FieldInfo();
DomUtil.setAttributes(fi, fieldN);
ai.addField(fi);
}
}
*/
// Add this info to our managed bean info
managed.addAttribute( ai );
if (log.isTraceEnabled()) {
log.trace("Create attribute " + ai);
}
}
// process constructor nodes
/*
firstN=DomUtil.getChild( mbeanN, "constructor");
for (Node descN = firstN; descN != null;
descN = DomUtil.getNext( descN )) {
// Create new constructor info
ConstructorInfo ci=new ConstructorInfo();
DomUtil.setAttributes(ci, descN);
// Process descriptor subnode
Node firstDescriptorN =
DomUtil.getChild(descN, "descriptor");
if (firstDescriptorN != null) {
Node firstFieldN =
DomUtil.getChild(firstDescriptorN, "field");
for (Node fieldN = firstFieldN; fieldN != null;
fieldN = DomUtil.getNext(fieldN)) {
FieldInfo fi = new FieldInfo();
DomUtil.setAttributes(fi, fieldN);
ci.addField(fi);
}
}
// Process parameter subnodes
Node firstParamN=DomUtil.getChild( descN, "parameter");
for (Node paramN = firstParamN; paramN != null;
paramN = DomUtil.getNext(paramN))
{
ParameterInfo pi=new ParameterInfo();
DomUtil.setAttributes(pi, paramN);
ci.addParameter( pi );
}
// Add this info to our managed bean info
managed.addConstructor( ci );
if (log.isTraceEnabled()) {
log.trace("Create constructor " + ci);
}
}*/
// process notification nodes
firstN=DomUtil.getChild( mbeanN, "notification");
for (Node descN = firstN; descN != null;
descN = DomUtil.getNext( descN ))
{
// Create new notification info
NotificationInfo ni=new NotificationInfo();
DomUtil.setAttributes(ni, descN);
// Process descriptor subnode
/*Node firstDescriptorN =
DomUtil.getChild(descN, "descriptor");
if (firstDescriptorN != null) {
Node firstFieldN =
DomUtil.getChild(firstDescriptorN, "field");
for (Node fieldN = firstFieldN; fieldN != null;
fieldN = DomUtil.getNext(fieldN)) {
FieldInfo fi = new FieldInfo();
DomUtil.setAttributes(fi, fieldN);
ni.addField(fi);
}
}*/
// Process notification-type subnodes
Node firstParamN=DomUtil.getChild( descN, "notification-type");
for (Node paramN = firstParamN; paramN != null;
paramN = DomUtil.getNext(paramN))
{
ni.addNotifType( DomUtil.getContent(paramN) );
}
// Add this info to our managed bean info
managed.addNotification( ni );
if (log.isTraceEnabled()) {
log.trace("Created notification " + ni);
}
}
// process operation nodes
firstN=DomUtil.getChild( mbeanN, "operation");
for (Node descN = firstN; descN != null;
descN = DomUtil.getNext( descN ))
{
// Create new operation info
OperationInfo oi=new OperationInfo();
DomUtil.setAttributes(oi, descN);
// Process descriptor subnode
/*Node firstDescriptorN =
DomUtil.getChild(descN, "descriptor");
if (firstDescriptorN != null) {
Node firstFieldN =
DomUtil.getChild(firstDescriptorN, "field");
for (Node fieldN = firstFieldN; fieldN != null;
fieldN = DomUtil.getNext(fieldN)) {
FieldInfo fi = new FieldInfo();
DomUtil.setAttributes(fi, fieldN);
oi.addField(fi);
}
}*/
// Process parameter subnodes
Node firstParamN=DomUtil.getChild( descN, "parameter");
for (Node paramN = firstParamN; paramN != null;
paramN = DomUtil.getNext(paramN))
{
ParameterInfo pi=new ParameterInfo();
DomUtil.setAttributes(pi, paramN);
if( log.isTraceEnabled())
log.trace("Add param " + pi.getName());
oi.addParameter( pi );
}
// Add this info to our managed bean info
managed.addOperation( oi );
if( log.isTraceEnabled()) {
log.trace("Create operation " + oi);
}
}
// Add the completed managed bean info to the registry
registry.addManagedBean(managed);
}
long t2=System.currentTimeMillis();
log.debug( "Reading descriptors ( dom ) " + (t2-t1));
} catch( Exception ex ) {
log.error( "Error reading descriptors ", ex);
}
}
}
