From 2cfefc83671a9a3e097c3a4c31054ad5bbae7f4d Mon Sep 17 00:00:00 2001
From: markt <markt@13f79535-47bb-0310-9956-ffa450edef68>
Date: Wed, 19 May 2010 16:38:41 +0000
Subject: [PATCH] GSOC 2010: ResourceLink Patch provided by Chamith Buddhika

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@946265 13f79535-47bb-0310-9956-ffa450edef68
---
 .../apache/catalina/deploy/mbeans-descriptors.xml  |  4 ++
 .../catalina/mbeans/ContextResourceLinkMBean.java  | 79 +++++++++++++++++++++-
 2 files changed, 81 insertions(+), 2 deletions(-)

diff --git a/java/org/apache/catalina/deploy/mbeans-descriptors.xml b/java/org/apache/catalina/deploy/mbeans-descriptors.xml
index d3ffbdf6b..12f025cb9 100644
--- a/java/org/apache/catalina/deploy/mbeans-descriptors.xml
+++ b/java/org/apache/catalina/deploy/mbeans-descriptors.xml
@@ -95,6 +95,10 @@
     <attribute   name="name"
                description="The name of this resource"
                type="java.lang.String"/>
+               
+    <attribute   name="description"
+               description="The description of this resource"
+               type="java.lang.String"/>
       
     <attribute   name="type"
                description="The type of this resource"
diff --git a/java/org/apache/catalina/mbeans/ContextResourceLinkMBean.java b/java/org/apache/catalina/mbeans/ContextResourceLinkMBean.java
index 2419ccd5f..cdcba507f 100644
--- a/java/org/apache/catalina/mbeans/ContextResourceLinkMBean.java
+++ b/java/org/apache/catalina/mbeans/ContextResourceLinkMBean.java
@@ -67,6 +67,58 @@ public class ContextResourceLinkMBean extends BaseModelMBean {
 
     // ------------------------------------------------------------- Attributes
 
+    /**
+     * Obtain and return the value of a specific attribute of this MBean.
+     *
+     * @param name Name of the requested attribute
+     *
+     * @exception AttributeNotFoundException if this attribute is not
+     *  supported by this MBean
+     * @exception MBeanException if the initializer of an object
+     *  throws an exception
+     * @exception ReflectionException if a Java reflection exception
+     *  occurs when invoking the getter
+     */
+    @Override
+    public Object getAttribute(String name)
+        throws AttributeNotFoundException, MBeanException,
+        ReflectionException {
+ 
+        // Validate the input parameters
+        if (name == null)
+            throw new RuntimeOperationsException
+                (new IllegalArgumentException("Attribute name is null"),
+                 "Attribute name is null");
+
+        ContextResourceLink cl = null;
+        try {
+            cl = (ContextResourceLink) getManagedResource();
+        } catch (InstanceNotFoundException e) {
+            throw new MBeanException(e);
+        } catch (InvalidTargetObjectTypeException e) {
+             throw new MBeanException(e);
+        }
+        
+        String value = null;
+        if ("global".equals(name)) {
+            return (cl.getGlobal());
+        } else if ("description".equals(name)) {
+            return (cl.getDescription());
+        } else if ("name".equals(name)) {
+            return (cl.getName());              
+        } else if ("type".equals(name)) {
+            return (cl.getType());
+        } else {
+            value = (String) cl.getProperty(name);
+            if (value == null) {
+                throw new AttributeNotFoundException
+                    ("Cannot find attribute "+name);
+            }
+        }
+        
+        return value;
+        
+    }
     
     /**
      * Set the value of a specific attribute of this MBean.
@@ -85,9 +137,20 @@ public class ContextResourceLinkMBean extends BaseModelMBean {
     public void setAttribute(Attribute attribute)
         throws AttributeNotFoundException, MBeanException,
         ReflectionException {
-
-        super.setAttribute(attribute);
+       
+        // Validate the input parameters
+        if (attribute == null)
+            throw new RuntimeOperationsException
+                (new IllegalArgumentException("Attribute is null"),
+                 "Attribute is null");
         
+        String name = attribute.getName();
+        Object value = attribute.getValue();
+        if (name == null)
+            throw new RuntimeOperationsException
+                (new IllegalArgumentException("Attribute name is null"),
+                 "Attribute name is null"); 
+         
         ContextResourceLink crl = null;
         try {
             crl = (ContextResourceLink) getManagedResource();
@@ -97,6 +160,18 @@ public class ContextResourceLinkMBean extends BaseModelMBean {
              throw new MBeanException(e);
         }
         
+        if ("global".equals(name)) {
+            crl.setGlobal((String)value);
+        } else if ("description".equals(name)) {
+            crl.setDescription((String)value);
+        } else if ("name".equals(name)) {
+            crl.setName((String)value);              
+        } else if ("type".equals(name)) {
+            crl.setType((String)value);
+        } else {
+            crl.setProperty(name, ""+value);
+        }
+        
         // cannot use side-effects.  It's removed and added back each time 
         // there is a modification in a resource.
         NamingResources nr = crl.getNamingResources();
-- 
2.11.0