/* | |
* | |
* 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.qpid.management.wsdm.capabilities; | |
import java.util.ArrayList; | |
import java.util.List; | |
import javax.management.MBeanAttributeInfo; | |
import javax.management.MBeanOperationInfo; | |
import javax.management.ObjectName; | |
import org.apache.muse.core.Environment; | |
import org.apache.muse.util.xml.XmlUtils; | |
import org.apache.muse.ws.resource.metadata.WsrmdConstants; | |
import org.apache.qpid.management.Names; | |
import org.apache.qpid.qman.debug.WsdlDebugger; | |
import org.w3c.dom.Element; | |
/** | |
* Resource Metadata Descriptor Builder. | |
* It is used for build the metadata descriptor for properties of the | |
* incoming jmx object. | |
* | |
* @author Andrea Gazzarini | |
*/ | |
class RmdBuilder implements IArtifactBuilder | |
{ | |
private List<Element> _metadataDescriptor = new ArrayList<Element>(); | |
ObjectName _objectName; | |
/** | |
* Nothing to be done here on this builder. | |
* Simply logs a message indicating the target object name. | |
* | |
* @param objectName the jmx name of the object that is going to be processed. | |
*/ | |
public void begin(ObjectName objectName) | |
{ | |
this._objectName = objectName; | |
} | |
/** | |
* Nothing to be done here on this builder. | |
* | |
* @throws BuilderException never. | |
*/ | |
public void endAttributes() | |
{ | |
// N.A. for this builder. | |
} | |
/** | |
* Nothing to be done here on this builder. | |
* | |
* @throws BuilderException never. | |
*/ | |
public void endOperations() | |
{ | |
// N.A. for this builder. | |
} | |
/** | |
* Process a single attribute metadata. | |
* An attribute (that is, a property) represented by the corresponding incoming | |
* attribute metadata will generate an wsrmd:Property xml element with the constraints | |
* (initial values, static values, allowed values) contained on the metadata. | |
* | |
* @param attributeMetadata the attribute (jmx) metadata. | |
*/ | |
public void onAttribute(MBeanAttributeInfo attributeMetadata) | |
{ | |
Element property = XmlUtils.createElement(WsrmdConstants.PROPERTY_QNAME); | |
property.setAttribute(Names.NAME_ATTRIBUTE, Names.PREFIX+":"+attributeMetadata.getName()); | |
property.setAttribute(Names.MODIFIABILITY, | |
attributeMetadata.isWritable() | |
? Names.READ_WRITE | |
: Names.READ_ONLY); | |
property.setAttribute(Names.MUTABILITY,Names.MUTABLE); | |
WsdlDebugger.debug(_objectName, property); | |
_metadataDescriptor.add(property); | |
} | |
/** | |
* Nothing to be done here on this builder. | |
* | |
* @throws BuilderException never. | |
*/ | |
public void onOperation(MBeanOperationInfo operation) | |
{ | |
// N.A. for this builder | |
} | |
/** | |
* Nothing to be done here on this builder. | |
* | |
* @throws BuilderException never. | |
*/ | |
public void setEnvironment(Environment environment) | |
{ | |
// N.A. for this builder | |
} | |
/** | |
* Nothing to be done here on this builder. | |
* | |
* @throws BuilderException never. | |
*/ | |
public Element[] getResourceMetadataDescriptor() | |
{ | |
Element [] properties = _metadataDescriptor.toArray( | |
new Element[_metadataDescriptor.size()]); | |
return properties; | |
} | |
} |