1 files changed, 120 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/host-embedded/src/main/java/org/apache/tuscany/sca/host/embedded/impl/ComponentManagerImpl.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/host-embedded/src/main/java/org/apache/tuscany/sca/host/embedded/impl/ComponentManagerImpl.java
new file mode 100644
index 0000000000..187f32f405
--- /dev/null
+++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/host-embedded/src/main/java/org/apache/tuscany/sca/host/embedded/impl/ComponentManagerImpl.java
@@ -0,0 +1,120 @@
+/*
+ * 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.sca.host.embedded.impl;
+
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import java.util.concurrent.CopyOnWriteArrayList;
+
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.core.assembly.ActivationException;
+import org.apache.tuscany.sca.core.assembly.RuntimeComponentImpl;
+import org.apache.tuscany.sca.host.embedded.management.ComponentListener;
+import org.apache.tuscany.sca.host.embedded.management.ComponentManager;
+
+/**
+ * Implementation of the ComponentManager.
+ *
+ * @version $Rev$ $Date$
+ */
+public class ComponentManagerImpl implements ComponentManager {
+
+    protected List<ComponentListener> listeners = new CopyOnWriteArrayList<ComponentListener>();
+    protected EmbeddedSCADomain domain;
+
+    public ComponentManagerImpl(EmbeddedSCADomain domain) {
+        this.domain = domain;
+    }
+
+    public void addComponentListener(ComponentListener listener) {
+        this.listeners.add(listener);
+    }
+
+    public void removeComponentListener(ComponentListener listener) {
+        this.listeners.remove(listener);
+    }
+
+    public Set<String> getComponentNames() {
+        Set<String> names = new HashSet<String>();
+        for (Composite composite: domain.getDomainComposite().getIncludes()) {
+            for (Component component: composite.getComponents()) {
+                names.add(component.getName());
+            }
+        }
+        return names;
+    }
+
+    public Component getComponent(String componentName) {
+        for (Composite composite: domain.getDomainComposite().getIncludes()) {
+            for (Component component: composite.getComponents()) {
+                if (component.getName().equals(componentName)) {
+                    return component;
+                }
+            }
+        }
+        return null;
+    }
+
+    public void startComponent(String componentName) throws ActivationException {
+        Component component = getComponent(componentName);
+        if (component == null) {
+            throw new IllegalArgumentException("no component: " + componentName);
+        }
+        domain.getCompositeActivator().start(component);
+        notifyComponentStarted(componentName);
+    }
+
+    public void stopComponent(String componentName) throws ActivationException {
+        Component component = getComponent(componentName);
+        if (component == null) {
+            throw new IllegalArgumentException("no component: " + componentName);
+        }
+        domain.getCompositeActivator().stop(component);
+        notifyComponentStopped(componentName);
+    }
+
+    public void notifyComponentStarted(String componentName) {
+        for (ComponentListener listener : listeners) {
+            try {
+                listener.componentStarted(componentName);
+            } catch (Exception e) {
+                e.printStackTrace(); // TODO: log
+            }
+        }
+    }
+
+    public void notifyComponentStopped(String componentName) {
+        for (ComponentListener listener : listeners) {
+            try {
+                listener.componentStopped(componentName);
+            } catch (Exception e) {
+                e.printStackTrace(); // TODO: log
+            }
+        }
+    }
+
+    public boolean isComponentStarted(String componentName) {
+        RuntimeComponentImpl runtimeComponent = (RuntimeComponentImpl)getComponent(componentName);
+        return runtimeComponent.isStarted();
+    }
+
+}