Author: bdelacretaz
Date: Wed Jun 22 14:58:59 2011
New Revision: 1138496
URL: http://svn.apache.org/viewvc?rev=1138496&view=rev
Log:
Experimenting with HTTP access to JMX attributes - might be useful for
integration testing
Added:
sling/whiteboard/bdelacretaz/experimental/ (with props)
sling/whiteboard/bdelacretaz/experimental/pom.xml (with props)
sling/whiteboard/bdelacretaz/experimental/src/
sling/whiteboard/bdelacretaz/experimental/src/main/
sling/whiteboard/bdelacretaz/experimental/src/main/java/
sling/whiteboard/bdelacretaz/experimental/src/main/java/org/
sling/whiteboard/bdelacretaz/experimental/src/main/java/org/apache/
sling/whiteboard/bdelacretaz/experimental/src/main/java/org/apache/sling/
sling/whiteboard/bdelacretaz/experimental/src/main/java/org/apache/sling/bdelacretaz/
sling/whiteboard/bdelacretaz/experimental/src/main/java/org/apache/sling/bdelacretaz/experimental/
sling/whiteboard/bdelacretaz/experimental/src/main/java/org/apache/sling/bdelacretaz/experimental/impl/
sling/whiteboard/bdelacretaz/experimental/src/main/java/org/apache/sling/bdelacretaz/experimental/impl/jmxservlet/
sling/whiteboard/bdelacretaz/experimental/src/main/java/org/apache/sling/bdelacretaz/experimental/impl/jmxservlet/JmxServlet.java
(with props)
sling/whiteboard/bdelacretaz/experimental/src/main/java/org/apache/sling/bdelacretaz/experimental/impl/jmxservlet/JmxServletMBean.java
(with props)
Propchange: sling/whiteboard/bdelacretaz/experimental/
------------------------------------------------------------------------------
--- svn:ignore (added)
+++ svn:ignore Wed Jun 22 14:58:59 2011
@@ -0,0 +1,12 @@
+target
+bin
+*.iml
+*.ipr
+*.iws
+.settings
+.project
+.classpath
+.externalToolBuilders
+maven-eclipse.xml
+sling
+
Added: sling/whiteboard/bdelacretaz/experimental/pom.xml
URL:
http://svn.apache.org/viewvc/sling/whiteboard/bdelacretaz/experimental/pom.xml?rev=1138496&view=auto
==============================================================================
--- sling/whiteboard/bdelacretaz/experimental/pom.xml (added)
+++ sling/whiteboard/bdelacretaz/experimental/pom.xml Wed Jun 22 14:58:59 2011
@@ -0,0 +1,78 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
http://maven.apache.org/maven-v4_0_0.xsd";>
+ <modelVersion>4.0.0</modelVersion>
+ <parent>
+ <groupId>org.apache.sling</groupId>
+ <artifactId>sling</artifactId>
+ <version>9</version>
+ </parent>
+
+ <groupId>org.apache.sling</groupId>
+
<artifactId>org.apache.sling.whiteboard.bdelacretaz.experimental</artifactId>
+ <version>0.9.9-SNAPSHOT</version>
+ <packaging>bundle</packaging>
+ <name>Bertrand's experimental Sling stuff</name>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.felix</groupId>
+ <artifactId>maven-scr-plugin</artifactId>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.felix</groupId>
+ <artifactId>maven-bundle-plugin</artifactId>
+ <extensions>true</extensions>
+ <configuration>
+ <instructions>
+
<Private-Package>org.apache.sling.bdelacretaz.experimental.impl.*</Private-Package>
+ </instructions>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.osgi</groupId>
+ <artifactId>org.osgi.core</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.osgi</groupId>
+ <artifactId>org.osgi.compendium</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.sling</groupId>
+ <artifactId>org.apache.sling.api</artifactId>
+ <version>2.1.0</version>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.sling</groupId>
+ <artifactId>org.apache.sling.jcr.api</artifactId>
+ <version>2.1.0</version>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.felix</groupId>
+ <artifactId>org.apache.felix.scr.annotations</artifactId>
+ <version>1.2.0</version>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>javax.jcr</groupId>
+ <artifactId>jcr</artifactId>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>javax.servlet</groupId>
+ <artifactId>servlet-api</artifactId>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.slf4j</groupId>
+ <artifactId>slf4j-api</artifactId>
+ <scope>provided</scope>
+ </dependency>
+ </dependencies>
+</project>
Propchange: sling/whiteboard/bdelacretaz/experimental/pom.xml
------------------------------------------------------------------------------
svn:eol-style = native
Added:
sling/whiteboard/bdelacretaz/experimental/src/main/java/org/apache/sling/bdelacretaz/experimental/impl/jmxservlet/JmxServlet.java
URL:
http://svn.apache.org/viewvc/sling/whiteboard/bdelacretaz/experimental/src/main/java/org/apache/sling/bdelacretaz/experimental/impl/jmxservlet/JmxServlet.java?rev=1138496&view=auto
==============================================================================
---
sling/whiteboard/bdelacretaz/experimental/src/main/java/org/apache/sling/bdelacretaz/experimental/impl/jmxservlet/JmxServlet.java
(added)
+++
sling/whiteboard/bdelacretaz/experimental/src/main/java/org/apache/sling/bdelacretaz/experimental/impl/jmxservlet/JmxServlet.java
Wed Jun 22 14:58:59 2011
@@ -0,0 +1,154 @@
+/*
+ * 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.bdelacretaz.experimental.impl.jmxservlet;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.util.concurrent.atomic.AtomicInteger;
+
+import javax.management.MBeanAttributeInfo;
+import javax.management.MBeanInfo;
+import javax.management.MBeanRegistration;
+import javax.management.MBeanServer;
+import javax.management.ObjectName;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Properties;
+import org.apache.felix.scr.annotations.Property;
+import org.apache.felix.scr.annotations.Service;
+import org.apache.sling.api.SlingHttpServletRequest;
+import org.apache.sling.api.SlingHttpServletResponse;
+import org.apache.sling.api.servlets.SlingSafeMethodsServlet;
+
+@SuppressWarnings("serial")
+@Component
+@Service
+@Properties({
+ @Property(name="sling.servlet.paths", value="/system/sling/jmx"),
+ @Property(name="jmx.objectname", value=JmxServlet.OBJECT_NAME)
+})
+/** HTTP access to MBeans attribute values - could be used for integration
+ * testing of Sling MBeans.
+ */
+public class JmxServlet extends SlingSafeMethodsServlet implements
JmxServletMBean, MBeanRegistration {
+
+ private AtomicInteger requestsCount = new AtomicInteger();
+ private MBeanServer mbeanServer;
+
+ public static final String OBJECT_NAME =
"org.apache.sling:type=jmx,service=JmxServlet";
+
+ @Override
+ protected void doGet(SlingHttpServletRequest request,
SlingHttpServletResponse response)
+ throws ServletException, IOException {
+
+ if(mbeanServer == null) {
+ response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
"MBeanServer not set");
+ return;
+ }
+
+ requestsCount.incrementAndGet();
+ response.setContentType("text/plain");
+ response.setCharacterEncoding("UTF-8");
+ final PrintWriter pw = response.getWriter();
+
+ String objectNameStr = request.getParameter("objectName");
+ if(objectNameStr == null) {
+ objectNameStr = OBJECT_NAME;
+ }
+ String attributeName = request.getParameter("attributeName");
+ if(attributeName == null) {
+ attributeName = "RequestsCount";
+ }
+ final String requestInfo = objectNameStr + " [" + attributeName + "]";
+
+ try {
+ final ObjectName objectName = new ObjectName(objectNameStr);
+ final MBeanInfo info = mbeanServer.getMBeanInfo(objectName);
+ if(info == null) {
+ notFound(response, requestInfo, "MBeanInfo not found");
+ return;
+ }
+ final MBeanAttributeInfo [] attr = info.getAttributes();
+ if(attr == null) {
+ notFound(response, requestInfo, "MBeanAttributeInfo not
found");
+ return;
+ }
+
+ boolean found = false;
+ for(MBeanAttributeInfo a : attr) {
+ if(attributeName.equals(a.getName())) {
+ found = true;
+ outputPair(pw, "Request", requestInfo);
+ outputPair(pw, "Description", a.getDescription());
+ outputPair(pw, "Name", a.getName());
+ outputPair(pw, "Type", a.getType());
+ outputPair(pw, "Value",
+ mbeanServer.getAttribute(objectName,
attributeName).toString());
+ }
+ }
+
+ if(!found) {
+ notFound(response, requestInfo, "Even though
MBeanAttributeInfo was found");
+ return;
+ }
+
+ } catch(Exception e) {
+ throw new ServletException(
+ "Exception while retrieving JMX info " + requestInfo, e);
+ }
+
+ pw.flush();
+ }
+
+ private void notFound(HttpServletResponse response, String requestInfo,
String additionalInfo) throws IOException {
+ response.sendError(HttpServletResponse.SC_NOT_FOUND,
+ "Not found: " + requestInfo + " (" + additionalInfo + ")");
+ }
+
+ private static void outputPair(PrintWriter pw, String key, String value) {
+ pw.print(key);
+ pw.print('=');
+ pw.println(value);
+ }
+
+ /** @inheritDoc */
+ public void postDeregister() {
+ }
+
+ /** @inheritDoc */
+ public void postRegister(Boolean arg0) {
+ }
+
+ /** @inheritDoc */
+ public void preDeregister() throws Exception {
+ mbeanServer = null;
+ }
+
+ /** @inheritDoc */
+ public ObjectName preRegister(MBeanServer s, ObjectName name) {
+ mbeanServer = s;
+ return name;
+ }
+
+ public int getRequestsCount() {
+ return requestsCount.get();
+ }
+}
Propchange:
sling/whiteboard/bdelacretaz/experimental/src/main/java/org/apache/sling/bdelacretaz/experimental/impl/jmxservlet/JmxServlet.java
------------------------------------------------------------------------------
svn:eol-style = native
Propchange:
sling/whiteboard/bdelacretaz/experimental/src/main/java/org/apache/sling/bdelacretaz/experimental/impl/jmxservlet/JmxServlet.java
------------------------------------------------------------------------------
svn:keywords = Author Date Id Revision Rev URL
Added:
sling/whiteboard/bdelacretaz/experimental/src/main/java/org/apache/sling/bdelacretaz/experimental/impl/jmxservlet/JmxServletMBean.java
URL:
http://svn.apache.org/viewvc/sling/whiteboard/bdelacretaz/experimental/src/main/java/org/apache/sling/bdelacretaz/experimental/impl/jmxservlet/JmxServletMBean.java?rev=1138496&view=auto
==============================================================================
---
sling/whiteboard/bdelacretaz/experimental/src/main/java/org/apache/sling/bdelacretaz/experimental/impl/jmxservlet/JmxServletMBean.java
(added)
+++
sling/whiteboard/bdelacretaz/experimental/src/main/java/org/apache/sling/bdelacretaz/experimental/impl/jmxservlet/JmxServletMBean.java
Wed Jun 22 14:58:59 2011
@@ -0,0 +1,23 @@
+/*
+ * 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.bdelacretaz.experimental.impl.jmxservlet;
+
+public interface JmxServletMBean {
+ int getRequestsCount();
+}
Propchange:
sling/whiteboard/bdelacretaz/experimental/src/main/java/org/apache/sling/bdelacretaz/experimental/impl/jmxservlet/JmxServletMBean.java
------------------------------------------------------------------------------
svn:eol-style = native
Propchange:
sling/whiteboard/bdelacretaz/experimental/src/main/java/org/apache/sling/bdelacretaz/experimental/impl/jmxservlet/JmxServletMBean.java
------------------------------------------------------------------------------
svn:keywords = Author Date Id Revision Rev URL
