- /*
- * ====================================================================
- *
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 2001-2003 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution, if
- * any, must include the following acknowlegement:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowlegement may appear in the software itself,
- * if and wherever such third-party acknowlegements normally appear.
- *
- * 4. The names "The Jakarta Project", "Commons", and "Apache Software
- * Foundation" must not be used to endorse or promote products derived
- * from this software without prior written permission. For written
- * permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache"
- * nor may "Apache" appear in their names without prior written
- * permission of the Apache Group.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation. For more
- * information on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- *
- * [Additional notices, if required by prior licensing conditions]
- *
- */
-
-
- package org.apache.commons.modeler.modules;
-
- import java.io.InputStream;
- import java.util.ArrayList;
- import java.util.List;
-
- import org.apache.commons.logging.Log;
- import org.apache.commons.logging.LogFactory;
- import org.apache.commons.modeler.AttributeInfo;
- import org.apache.commons.modeler.ConstructorInfo;
- import org.apache.commons.modeler.FieldInfo;
- import org.apache.commons.modeler.ManagedBean;
- import org.apache.commons.modeler.NotificationInfo;
- import org.apache.commons.modeler.OperationInfo;
- import org.apache.commons.modeler.ParameterInfo;
- import org.apache.commons.modeler.Registry;
- import org.apache.commons.modeler.util.DomUtil;
- import org.w3c.dom.Document;
- import org.w3c.dom.Node;
-
-
- public class MbeansDescriptorsDOMSource extends ModelerSource
- {
- private static 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;
- }
-
- 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();
-
- 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 <mbean> 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);
- mbeans.add( managed );
-
- }
-
- long t2=System.currentTimeMillis();
- log.debug( "Reading descriptors ( dom ) " + (t2-t1));
- } catch( Exception ex ) {
- log.error( "Error reading descriptors ", ex);
- }
- }
- }