1 files changed, 138 insertions, 0 deletions
diff --git a/sandbox/old/contrib/jmx/src/main/java/org/apache/tuscany/service/management/jmx/instrument/InstrumentedComponent.java b/sandbox/old/contrib/jmx/src/main/java/org/apache/tuscany/service/management/jmx/instrument/InstrumentedComponent.java
new file mode 100644
index 0000000000..9e0f06ec13
--- /dev/null
+++ b/sandbox/old/contrib/jmx/src/main/java/org/apache/tuscany/service/management/jmx/instrument/InstrumentedComponent.java
@@ -0,0 +1,138 @@
+/*
+ * 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.tuscany.service.management.jmx.instrument;
+
+import java.util.Map;
+import java.net.URI;
+import javax.management.Attribute;
+import javax.management.AttributeList;
+import javax.management.AttributeNotFoundException;
+import javax.management.DynamicMBean;
+import javax.management.MBeanAttributeInfo;
+import javax.management.MBeanConstructorInfo;
+import javax.management.MBeanInfo;
+import javax.management.MBeanNotificationInfo;
+import javax.management.MBeanOperationInfo;
+
+import org.apache.tuscany.spi.component.Component;
+import org.apache.tuscany.spi.model.PropertyValue;
+
+/**
+ * This is Ruscany component exposed as a dynamic MBean. Currently it only supports a read-only vew of all the
+ * properties on the component.
+ *
+ * @version $Revision$ $Date$
+ */
+public class InstrumentedComponent implements DynamicMBean {
+
+    /**
+     * Properties available on the component.
+     */
+    private final Map<String, PropertyValue<?>> properties;
+
+    /**
+     * Name of the component.
+     */
+    private URI componentId;
+
+    /**
+     * Initializes the property values.
+     *
+     * @param component Component that is being managed.
+     */
+    @SuppressWarnings("unchecked")
+    public InstrumentedComponent(final Component component) {
+        this.properties = component.getDefaultPropertyValues();
+        this.componentId = component.getUri();
+    }
+
+    /**
+     * @see javax.management.DynamicMBean#getAttribute(java.lang.String)
+     */
+    public final Object getAttribute(final String attribute) throws AttributeNotFoundException {
+        PropertyValue<?> propertyValue = properties.get(attribute);
+        if (propertyValue != null) {
+            return propertyValue.getValueFactory().getInstance();
+        }
+        throw new AttributeNotFoundException(attribute + " not found.");
+    }
+
+    /**
+     * @see javax.management.DynamicMBean#getAttributes(java.lang.String[])
+     */
+    public final AttributeList getAttributes(final String[] attributes) {
+
+        AttributeList list = new AttributeList();
+        for (String attribute : attributes) {
+            try {
+                list.add(new Attribute(attribute, getAttribute(attribute)));
+            } catch (AttributeNotFoundException ex) {
+                throw new InstrumentationException(ex);
+            }
+        }
+        return list;
+
+    }
+
+    /**
+     * @see javax.management.DynamicMBean#getMBeanInfo()
+     */
+    public final MBeanInfo getMBeanInfo() {
+
+        final MBeanConstructorInfo[] constructors = null;
+        final MBeanOperationInfo[] operations = null;
+        final MBeanNotificationInfo[] notifications = null;
+    
+        int size = properties != null ? properties.size() : 0;
+        final MBeanAttributeInfo[] attributes = new MBeanAttributeInfo[size];
+    
+        if(properties != null) {
+            int i = 0;
+            for (PropertyValue<?> propertyValue : properties.values()) {
+                attributes[i++] =
+                    new MBeanAttributeInfo(propertyValue.getName(), String.class.getName(), null, true, false, false);
+            }
+        }
+    
+        return new MBeanInfo(componentId.toString(), null, attributes, constructors, operations, notifications);
+
+    }
+
+    /**
+     * @see javax.management.DynamicMBean#invoke(java.lang.String,java.lang.Object[],java.lang.String[])
+     */
+    public final Object invoke(final String actionName, final Object[] params, final String[] signature) {
+        throw new UnsupportedOperationException("Managed ops not supported");
+    }
+
+    /**
+     * @see javax.management.DynamicMBean#setAttribute(javax.management.Attribute)
+     */
+    public final void setAttribute(final Attribute attribute) {
+        throw new UnsupportedOperationException("Mutable props not supported");
+    }
+
+    /**
+     * @see javax.management.DynamicMBean#setAttributes(javax.management.AttributeList)
+     */
+    public final AttributeList setAttributes(final AttributeList attributes) {
+        throw new UnsupportedOperationException("Mutable props not supported");
+    }
+
+}