| /* |
| * 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.sling.jmx.provider.impl; |
| |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| import javax.management.Attribute; |
| import javax.management.AttributeList; |
| import javax.management.InstanceNotFoundException; |
| import javax.management.MBeanAttributeInfo; |
| import javax.management.MBeanInfo; |
| import javax.management.MBeanServer; |
| import javax.management.ObjectName; |
| import javax.management.ReflectionException; |
| |
| import org.apache.sling.api.resource.AbstractResource; |
| import org.apache.sling.api.resource.ResourceMetadata; |
| import org.apache.sling.api.resource.ResourceResolver; |
| import org.apache.sling.api.resource.ValueMap; |
| import org.apache.sling.api.wrappers.DeepReadValueMapDecorator; |
| import org.apache.sling.api.wrappers.ValueMapDecorator; |
| |
| public class MBeanResource extends AbstractResource { |
| |
| private final String path; |
| |
| private final ResourceResolver resourceResolver; |
| |
| private final ResourceMetadata metadata = new ResourceMetadata(); |
| |
| private final MBeanInfo info; |
| |
| private final ObjectName objectName; |
| |
| private final String resourceType; |
| |
| /** The mbean server. */ |
| private final MBeanServer mbeanServer; |
| |
| private volatile AttributeList attributeList; |
| |
| public MBeanResource(final MBeanServer mbeanServer, |
| final ResourceResolver resolver, |
| final String resourceType, |
| final String path, |
| final MBeanInfo info, |
| final ObjectName objectName) { |
| this.mbeanServer = mbeanServer; |
| this.resourceResolver = resolver; |
| this.path = path; |
| this.info = info; |
| this.objectName = objectName; |
| final int pos = resourceType.lastIndexOf(':'); |
| if ( pos == -1 ) { |
| this.resourceType = resourceType; |
| } else { |
| this.resourceType = resourceType.substring(0, pos); |
| } |
| } |
| |
| public AttributeList getAttributes() { |
| if ( this.attributeList == null ) { |
| final MBeanAttributeInfo[] infos = info.getAttributes(); |
| final String[] names = new String[infos.length]; |
| int index = 0; |
| for(final MBeanAttributeInfo i : infos) { |
| names[index] = i.getName(); |
| index++; |
| } |
| try { |
| this.attributeList = mbeanServer.getAttributes(objectName, names); |
| } catch (InstanceNotFoundException e) { |
| // ignore |
| this.attributeList = new AttributeList(); |
| } catch (ReflectionException e) { |
| // ignore |
| this.attributeList = new AttributeList(); |
| } |
| } |
| return this.attributeList; |
| } |
| |
| /** |
| * @see org.apache.sling.api.resource.Resource#getPath() |
| */ |
| public String getPath() { |
| return this.path; |
| } |
| |
| /** |
| * @see org.apache.sling.api.resource.Resource#getResourceType() |
| */ |
| public String getResourceType() { |
| return resourceType; |
| } |
| |
| /** |
| * @see org.apache.sling.api.resource.Resource#getResourceSuperType() |
| */ |
| public String getResourceSuperType() { |
| return Constants.TYPE_MBEAN; |
| } |
| |
| /** |
| * @see org.apache.sling.api.resource.Resource#getResourceMetadata() |
| */ |
| public ResourceMetadata getResourceMetadata() { |
| return metadata; |
| } |
| |
| /** |
| * @see org.apache.sling.api.resource.Resource#getResourceResolver() |
| */ |
| public ResourceResolver getResourceResolver() { |
| return this.resourceResolver; |
| } |
| |
| @Override |
| public <AdapterType> AdapterType adaptTo(final Class<AdapterType> type) { |
| if ( type == ValueMap.class || type == Map.class ) { |
| final Map<String, Object> propMap = this.getPropertiesMap(); |
| return (AdapterType) new DeepReadValueMapDecorator(this, new ValueMapDecorator(propMap)); |
| } |
| return super.adaptTo(type); |
| } |
| |
| private Map<String, Object> getPropertiesMap() { |
| final Map<String, Object> result = new HashMap<String, Object>(); |
| result.put(Constants.PROP_RESOURCE_TYPE, this.getResourceType()); |
| result.put(Constants.PROP_RESOURCE_SUPER_TYPE, this.getResourceSuperType()); |
| |
| if ( this.info.getDescription() != null ) { |
| result.put(Constants.PROP_DESCRIPTION, this.info.getDescription()); |
| } |
| result.put(Constants.PROP_CLASSNAME, this.info.getClassName()); |
| result.put(Constants.PROP_OBJECTNAME, this.objectName.getCanonicalName()); |
| |
| final AttributeList values = this.getAttributes(); |
| final Iterator iter = values.iterator(); |
| while ( iter.hasNext() ) { |
| final Attribute a = (Attribute)iter.next(); |
| final Object value = a.getValue(); |
| if ( value != null ) { |
| result.put(a.getName(), value); |
| } |
| } |
| |
| return result; |
| } |
| } |