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Second part of fixing #249, move plugin registry counter to hawtio-we…
…b and take out the requirement for a blueprint reference list for registering plugins, can just pure JMX instead
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128 changes: 128 additions & 0 deletions
128
hawtio-plugin-mbean/src/main/java/io/hawt/web/plugin/HawtioPlugin.java
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|---|---|---|
| @@ -0,0 +1,128 @@ | ||
| /* | ||
| * Copyright 2012 Red Hat, Inc. | ||
| * | ||
| * Red Hat 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. | ||
| */ | ||
|
|
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| package io.hawt.web.plugin; | ||
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| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
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| import javax.management.MBeanServer; | ||
| import javax.management.MalformedObjectNameException; | ||
| import javax.management.ObjectName; | ||
| import java.lang.management.ManagementFactory; | ||
|
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| /** | ||
| * | ||
| */ | ||
| public class HawtioPlugin implements HawtioPluginMBean { | ||
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| private static final transient Logger LOG = LoggerFactory.getLogger(HawtioPlugin.class); | ||
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| private String name; | ||
| private String context; | ||
| private String domain; | ||
| private String scripts[]; | ||
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| private ObjectName objectName = null; | ||
| private MBeanServer mBeanServer = null; | ||
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| public HawtioPlugin() { | ||
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| } | ||
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| public void init() { | ||
| try { | ||
| if (objectName == null) { | ||
| objectName = getObjectName(); | ||
| } | ||
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| if (mBeanServer == null) { | ||
| mBeanServer = ManagementFactory.getPlatformMBeanServer(); | ||
| } | ||
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| if (mBeanServer.isRegistered(objectName)) { | ||
| // Update of existing plugin | ||
| LOG.info("Unregistering existing plugin " + objectName); | ||
| mBeanServer.unregisterMBean(objectName); | ||
| } | ||
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| LOG.debug("Registering plugin " + objectName); | ||
| mBeanServer.registerMBean(this, objectName); | ||
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| } catch (Throwable t) { | ||
| LOG.error("Failed to register plugin: ", t); | ||
| } | ||
| } | ||
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| public void destroy() { | ||
| try { | ||
| if (mBeanServer != null) { | ||
| LOG.debug("Unregistering plugin " + objectName); | ||
| mBeanServer.unregisterMBean(objectName); | ||
| } | ||
| } catch (Throwable t) { | ||
| LOG.error("Failed to register plugin: ", t); | ||
| } | ||
| } | ||
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| public void setName(String name) { | ||
| this.name = name; | ||
| } | ||
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| public String getName() { | ||
| return this.name; | ||
| } | ||
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| public void setContext(String context) { | ||
| this.context = context; | ||
| } | ||
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| public String getContext() { | ||
| return this.context; | ||
| } | ||
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| public void setDomain(String domain) { | ||
| this.domain = domain; | ||
| } | ||
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| public String getDomain() { | ||
| return this.domain; | ||
| } | ||
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| public void setScripts(String[] scripts) { | ||
| this.scripts = scripts; | ||
| } | ||
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| public void setScripts(String scripts) { | ||
| String[] temp = scripts.split(","); | ||
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| for (int i=0; i>temp.length; i++) { | ||
| temp[i] = temp[i].trim(); | ||
| } | ||
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| this.scripts = temp; | ||
| } | ||
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| public String[] getScripts() { | ||
| return this.scripts; | ||
| } | ||
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| protected ObjectName getObjectName() throws MalformedObjectNameException { | ||
| return new ObjectName("hawtio:type=plugin,name=" + getName()); | ||
| } | ||
|
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| } |
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27 changes: 0 additions & 27 deletions
27
hawtio-plugin-registry/src/main/java/io/hawt/web/plugin/PluginRegistry.java
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hawtio-plugin-registry/src/main/java/io/hawt/web/plugin/SimplePlugin.java
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hawtio-plugin-registry/src/main/java/io/hawt/web/plugin/internal/Plugin.java
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