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/*
*
* 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 javax.management.MBeanAttributeInfo;
import javax.management.MBeanInfo;
import javax.management.MBeanOperationInfo;
import javax.management.ObjectName;
import org.apache.muse.core.Environment;
import org.apache.muse.core.Resource;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
/**
* Director used for coordinate the building process of WS-DM artifacts.
*
* @author Andrea Gazzarini
*/
final class WSDMArtifactsDirector
{
private final ObjectName _eventSourceObjectName;
private final MBeanInfo _metadata;
private final MBeanCapabilityBuilder _capabilityBuilder;
private final WsdlBuilder _wsdlBuilder;
private final RmdBuilder _rmdBuilder;
/**
* Builds a new director with the given objectname and (jmx) metadata.
*
* @param eventSourceObjectName the object name of the event source mbean.
* @param metadata the jmx metadata of the corresponding mbean.
*/
WSDMArtifactsDirector(ObjectName eventSourceObjectName, MBeanInfo metadata)
{
this._eventSourceObjectName = eventSourceObjectName;
this._metadata = metadata;
_wsdlBuilder = new WsdlBuilder();
_capabilityBuilder = new MBeanCapabilityBuilder();
_rmdBuilder = new RmdBuilder();
}
/**
* Starts the build process of this director.
* This method acts as a facade of the whole build process.
*
* @throws BuilderException when one step of the build process fails.
*/
void direct() throws BuilderException
{
processObjectName();
processAttributes();
endAttributes();
processOperations();
endOperations();
}
/**
* Notifiies builder that all the operations metadata have been transmitted.
*
* @throws BuilderException when one builder raises an exception during this operation.
*/
private void endOperations() throws BuilderException
{
_capabilityBuilder.endOperations();
_wsdlBuilder.endOperations();
_rmdBuilder.endOperations();
}
/**
* Notifiies builder that all the attributes metadata have been transmitted.
*
* @throws BuilderException when one builder raises an exception during this operation.
*/
private void endAttributes() throws BuilderException
{
_capabilityBuilder.endAttributes();
_wsdlBuilder.endAttributes();
_rmdBuilder.endAttributes();
}
/**
* Injects event source object name on all builders.
*
* @throws BuilderException when one builder raises an exception during this operation.
*/
void processObjectName() throws BuilderException
{
_capabilityBuilder.begin(_eventSourceObjectName);
_wsdlBuilder.begin(_eventSourceObjectName);
_rmdBuilder.begin(_eventSourceObjectName);
}
/**
* Injects attributes metadata on all builders.
*
* @throws BuilderException when one builder raises an exception during this operation.
*/
void processAttributes() throws BuilderException
{
for (MBeanAttributeInfo attribute : _metadata.getAttributes())
{
_capabilityBuilder.onAttribute(attribute);
_wsdlBuilder.onAttribute(attribute);
_rmdBuilder.onAttribute(attribute);
}
}
/**
* Injects operations metadata on all builders.
*
* @throws BuilderException when one builder raises an exception during this operation.
*/
void processOperations() throws BuilderException
{
for (MBeanOperationInfo operation : _metadata.getOperations())
{
_capabilityBuilder.onOperation(operation);
_wsdlBuilder.onOperation(operation);
}
}
/**
* Returns the capabilty class.
*
* @return the capability class.
*/
Class<MBeanCapability> getCapabilityClass()
{
return _capabilityBuilder.getCapabilityClass();
}
/**
* Returns the wsdl.
*
* @return the wsdl.
*/
Document getWsdl()
{
return _wsdlBuilder.getWsdl();
}
/**
* Returns the resource metadata descriptor containing metadata (rules, constraints, etc)
* for the current resource.
* The returned object is an array of Element and each of them maps a resource property.
*
* @return the resource metadata descriptor (as an array of Element).
*/
Element [] getResourceMetadataDescriptor()
{
return _rmdBuilder.getResourceMetadataDescriptor();
}
/**
* Injects the environment on this director.
*
* @param environment the QMan environment.
*/
void setEnvironment(Environment environment)
{
_wsdlBuilder.setEnvironment(environment);
_capabilityBuilder.setEnvironment(environment);
_rmdBuilder.setEnvironment(environment);
}
/**
* Injectcs the ws resource on this director.
*
* @param resource the ws resource.
*/
public void setResource(Resource resource)
{
_wsdlBuilder.setWsdlPath(resource.getWsdlPath());
}
}
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