6 files changed, 571 insertions, 0 deletions
diff --git a/sandbox/sebastien/java/sca-node/modules/node-api/src/main/java/org/apache/tuscany/sca/node/NodeException.java b/sandbox/sebastien/java/sca-node/modules/node-api/src/main/java/org/apache/tuscany/sca/node/NodeException.java
new file mode 100644
index 0000000000..463b8ec299
--- /dev/null
+++ b/sandbox/sebastien/java/sca-node/modules/node-api/src/main/java/org/apache/tuscany/sca/node/NodeException.java
@@ -0,0 +1,53 @@
+/*
+ * 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.node;
+
+
+/**
+ * Denotes an error starting the runtime
+ *
+ * @version $Rev: 568826 $ $Date: 2007-08-23 06:27:34 +0100 (Thu, 23 Aug 2007) $
+ */
+public class NodeException extends Exception {
+
+    static final long serialVersionUID = 2096658015909178325L;
+    
+    private String message;
+    
+    public NodeException() {
+    }
+    
+    public NodeException(String message) {
+        super(message);
+        setMessage(message);
+    }
+
+    public NodeException(Throwable cause) {
+        super(cause);
+        setMessage(cause.getMessage());
+    }
+    
+    public String getMessage() {
+        return message;
+    }
+
+    public void setMessage(String message) {
+        this.message = message;
+    }    
+}
diff --git a/sandbox/sebastien/java/sca-node/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCADomainAccess.java b/sandbox/sebastien/java/sca-node/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCADomainAccess.java
new file mode 100644
index 0000000000..4430a5e73b
--- /dev/null
+++ b/sandbox/sebastien/java/sca-node/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCADomainAccess.java
@@ -0,0 +1,71 @@
+/*
+ * 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.node;
+
+import org.osoa.sca.CallableReference;
+import org.osoa.sca.ServiceReference;
+
+
+/**
+ * Provides access to the components in a domain.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface SCADomainAccess {
+
+    /**
+     * Cast a type-safe reference to a CallahbleReference. Converts a type-safe
+     * reference to an equivalent CallableReference; if the target refers to a
+     * service then a ServiceReference will be returned, if the target refers to
+     * a callback then a CallableReference will be returned.
+     *
+     * @param target a reference proxy provided by the SCA runtime
+     * @param <B> the Java type of the business interface for the reference
+     * @param <R> the type of reference to be returned
+     * @return a CallableReference equivalent for the proxy
+     * @throws IllegalArgumentException if the supplied instance is not a
+     *             reference supplied by the SCA runtime
+     */
+    <B, R extends CallableReference<B>> R cast(B target) throws IllegalArgumentException;
+
+    /**
+     * Returns a proxy for a service provided by a component in the SCA domain.
+     *
+     * @param businessInterface the interface that will be used to invoke the
+     *            service
+     * @param serviceName the name of the service
+     * @param <B> the Java type of the business interface for the service
+     * @return an object that implements the business interface
+     */
+    <B> B getService(Class<B> businessInterface, String serviceName);
+
+    /**
+     * Returns a ServiceReference for a service provided by a component in the
+     * SCA domain.
+     *
+     * @param businessInterface the interface that will be used to invoke the
+     *            service
+     * @param serviceName the name of the service
+     * @param <B> the Java type of the business interface for the service
+     * @return a ServiceReference for the designated service
+     */
+    <B> ServiceReference<B> getServiceReference(Class<B> businessInterface, String serviceName);
+
+}
+\ No newline at end of file
diff --git a/sandbox/sebastien/java/sca-node/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCADomainFinder.java b/sandbox/sebastien/java/sca-node/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCADomainFinder.java
new file mode 100644
index 0000000000..882c61dfcc
--- /dev/null
+++ b/sandbox/sebastien/java/sca-node/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCADomainFinder.java
@@ -0,0 +1,78 @@
+/*
+ * 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.node;
+
+import java.lang.reflect.Constructor;
+
+import org.apache.tuscany.sca.domain.DomainException;
+import org.apache.tuscany.sca.domain.SCADomain;
+import org.osoa.sca.ServiceRuntimeException;
+
+/**
+ * A finder for SCA domains.
+ * 
+ * @version $Rev: 580520 $ $Date: 2007-09-29 00:50:25 +0100 (Sat, 29 Sep 2007) $
+ */
+public abstract class SCADomainFinder {
+    
+        
+    /**
+     * Returns a new SCA domain finder instance.
+     *  
+     * @return a new SCA domain finder
+     */
+    public static SCADomainFinder newInstance() {
+        SCADomainFinder scaDomainFinder = null;
+
+        try {
+            final ClassLoader classLoader = SCADomainFinder.class.getClassLoader();
+            String className =  "org.apache.tuscany.sca.node.impl.SCADomainFinderImpl";  
+                            
+            Class cls = Class.forName(className, true, classLoader);
+            
+            Constructor<?> constructor = null;
+            
+            try {
+                constructor = cls.getConstructor();
+            } catch (NoSuchMethodException e) {
+                // ignore
+            }
+            
+            if (constructor != null) {
+                scaDomainFinder = (SCADomainFinder)constructor.newInstance();
+            } 
+            
+            return scaDomainFinder;
+
+        } catch (Exception e) {
+            throw new ServiceRuntimeException(e);
+        }  
+    }
+
+    /**
+     * Finds an existing SCA domain.
+     * 
+     * @param domainURI the URI of the domain, this is the endpoint
+     * URI of the domain administration service
+     * @return the SCA domain
+     */
+    public abstract SCADomain getSCADomain(String domainURI) throws DomainException;
+    
+}
diff --git a/sandbox/sebastien/java/sca-node/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCANode.java b/sandbox/sebastien/java/sca-node/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCANode.java
new file mode 100644
index 0000000000..0da36d8ffa
--- /dev/null
+++ b/sandbox/sebastien/java/sca-node/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCANode.java
@@ -0,0 +1,97 @@
+/*
+ * 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.node;
+
+import java.net.URL;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.domain.SCADomain;
+import org.osoa.sca.annotations.Remotable;
+
+/**
+ * Represents an SCA processing node. An SCA node belongs to an SCA domain.
+ * A node is loaded with one or mode SCA composites. It can start and stop that composite.
+ *
+ * @version $Rev: 580520 $ $Date: 2007-09-29 00:50:25 +0100 (Sat, 29 Sep 2007) $
+ */
+@Remotable
+public interface SCANode {
+
+    /**
+     * Returns the URI of the SCA node. That URI is the endpoint of the
+     * SCA node administration service.
+     *
+     * @return the URI of the SCA node
+     */
+    String getURI();
+
+    /**
+     * Returns the SCA domain that the node belongs to.
+     *
+     * @return the SCA domain that the node belongs to
+     */
+    SCADomain getDomain();
+
+    /**
+     * Add an SCA contribution into the node.
+     *
+     * @param contributionURI the URI of the contribution
+     * @param contributionURL the URL of the contribution
+     */
+    void addContribution(String contributionURI, URL contributionURL) throws NodeException;
+
+    /**
+     * Remove an SCA contribution from the node.
+     *
+     * @param contributionURI the URI of the contribution
+     */
+    void removeContribution(String contributionURI) throws NodeException;
+
+    /**
+     * Add the named deployable composite to the domain level composite
+     *
+     * @param compositeQName the name of the composite
+     */
+    void addToDomainLevelComposite(QName compositeQName) throws NodeException;
+
+    /**
+     * Add the specified deployable composite to the domain level composite
+     *
+     * @param compositePath the path of the composite file
+     */
+    void addToDomainLevelComposite(String compositePath) throws NodeException;
+
+    /**
+     * Start all the deployed composites
+     */
+    void start() throws NodeException;
+
+    /**
+     * Stop all of the deployed composites
+     */
+    void stop() throws NodeException;
+
+    /**
+     * Destroy the node.
+     */
+    void destroy() throws NodeException;
+
+}
diff --git a/sandbox/sebastien/java/sca-node/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCANodeFactory.java b/sandbox/sebastien/java/sca-node/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCANodeFactory.java
new file mode 100644
index 0000000000..c8508ecbef
--- /dev/null
+++ b/sandbox/sebastien/java/sca-node/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCANodeFactory.java
@@ -0,0 +1,161 @@
+/*
+ * 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.node;
+
+import java.lang.reflect.Constructor;
+import java.net.URL;
+
+import org.apache.tuscany.sca.node.util.SCAContributionUtil;
+import org.osoa.sca.ServiceRuntimeException;
+
+/**
+ * A factory for SCA processing nodes. An SCA processing node can be loaded
+ * with an SCA composite.
+ * 
+ * @version $Rev: 579871 $ $Date: 2007-09-27 03:20:34 +0100 (Thu, 27 Sep 2007) $
+ */
+public abstract class SCANodeFactory {
+    
+        
+    /**
+     * Returns a new SCA node factory instance.
+     *  
+     * @return a new SCA node factory
+     */
+    public static SCANodeFactory newInstance() {
+        SCANodeFactory scaNodeFactory = null;
+        
+        try {
+            final ClassLoader classLoader = SCANodeFactory.class.getClassLoader();
+            String className =  "org.apache.tuscany.sca.node.impl.SCANodeFactoryImpl";  
+                            
+            Class cls = Class.forName(className, true, classLoader);
+            
+            Constructor<?> constructor = null;
+            
+            try {
+                constructor = cls.getConstructor();
+            } catch (NoSuchMethodException e) {
+                // ignore
+            }
+            
+            if (constructor != null) {
+                scaNodeFactory = (SCANodeFactory)constructor.newInstance();
+            } 
+            
+            return scaNodeFactory;
+
+        } catch (Exception e) {
+            throw new ServiceRuntimeException(e);
+        }  
+    }
+
+    private static SCANodeFactory singletonInstance;
+
+    /**
+     * Returns a singleton SCA node factory instance, and creates a new
+     * singleton instance if none exists.
+     *  
+     * @return an SCA node factory
+     */
+    public static SCANodeFactory getInstance() {
+        if (singletonInstance == null) {
+            singletonInstance = newInstance();
+        }
+        return singletonInstance;
+    }
+        
+    /**
+     * Creates a new SCA node.
+     * 
+     * @param physicalNodeURI the URI of the node, this URI is used to provide the default 
+     *        host and port information for the runtime for situations when bindings
+     *        do provide this information
+     * @param domainURI the URI of the domain that the node belongs to. This URI is 
+     *        used to locate the domain manager on the network
+     * @return a new SCA node.
+     */
+    public abstract SCANode createSCANode(String physicalNodeURI, String domainURI) throws NodeException;
+    
+    /**
+     * Creates a new SCA node. Many physical nodes may share the same logical URL in load balancing
+     *  and failover scenarios where each node in the group runs the same contribution and 
+     *  active composites 
+     * 
+     * @param physicalNodeURI the URI of the node, this URI is used to provide the default 
+     *        host and port information for the runtime for situations when bindings
+     *        don't provide this information
+     * @param domainURI the URI of the domain that the node belongs to. This URI is 
+     *        used to locate the domain manager on the network
+     * @param logicalNodeURI the URI of the node to be used in situations where more than one node 
+     *        are grouped together for failover or load balancing scenarios. The logicalNodeURI
+     *        will typically identify the logical node where requests are sent
+     * @return a new SCA node.
+     */
+    public abstract SCANode createSCANode(String physicalNodeURI, String domainURI, String logicalNodeURI) throws NodeException;
+    
+    /**
+     *  Creates a new SCA node. Many physical nodes may share the same logical URL in load balancing
+     *  and failover scenarios where each node in the group runs the same contribution and 
+     *  active composites. Also allows a class loaded to b specified. This is the 
+     *  ClassLoader that will be used to load the management application used by the 
+     *  node to talk to the domain
+     * 
+     * @param physicalNodeURI the URI of the node, this URI is used to provide the default 
+     *        host and port information for the runtime for situations when bindings
+     *        don't provide this information
+     * @param domainURI the URI of the domain that the node belongs to. This URI is 
+     *        used to locate the domain manager on the network
+     * @param logicalNodeURI the URI of the node to be used in situations where more than one node 
+     *        are grouped together for failover or load balancing scenarios. The logicalNodeURI
+     *        will typically identify the logical node where requests are sent. If null is provided
+     *        no logicalNodeURI is set.
+     * @param classLoader the class loader to use by default when loading contributions. If null is provided
+     *        the ClassLoader the derived automatically. 
+     * @return a new SCA node.
+     */
+    public abstract SCANode createSCANode(String physicalNodeURI, String domainURI, String logicalNodeURI, ClassLoader classLoader) throws NodeException;
+
+    
+    /**
+     * Convenience method to create and start a node and embedded domain
+     * that deploys a single composite within a single contribution.
+     * 
+     * @param composite the composite to be deployed.
+     * @return a new SCA node.
+     */
+    public static SCANode createNodeWithComposite(String composite) throws NodeException {
+        try {
+            final ClassLoader loader = Thread.currentThread().getContextClassLoader();
+            final URL url = SCAContributionUtil.findContributionFromResource(loader, composite);
+
+            final SCANode node = getInstance().createSCANode(null, null);
+            node.addContribution(url.toString(), url);                                                                    
+            node.addToDomainLevelComposite(composite);
+            node.start();
+
+            return node;
+
+        } catch (Exception e) {
+            throw new NodeException(e);
+        }  
+    }
+    
+}
diff --git a/sandbox/sebastien/java/sca-node/modules/node-api/src/main/java/org/apache/tuscany/sca/node/util/SCAContributionUtil.java b/sandbox/sebastien/java/sca-node/modules/node-api/src/main/java/org/apache/tuscany/sca/node/util/SCAContributionUtil.java
new file mode 100644
index 0000000000..b005232370
--- /dev/null
+++ b/sandbox/sebastien/java/sca-node/modules/node-api/src/main/java/org/apache/tuscany/sca/node/util/SCAContributionUtil.java
@@ -0,0 +1,111 @@
+/*
+ * 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.node.util;
+
+import java.io.File;
+import java.net.MalformedURLException;
+import java.net.URL;
+
+
+/**
+ * Utility methods to find an SCA contribution from a class or a resource.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class SCAContributionUtil {
+    
+    /**
+     * Given a class this method finds the contribution that it belongs to.
+     * This could be either a local directory of a jar file.
+     * 
+     * @param clazz
+     * @return the contribution URL
+     * @throws MalformedURLException
+     */  
+    public static URL findContributionFromClass(Class<?> clazz) throws MalformedURLException {
+        return findContributionFromResource(clazz.getClassLoader(), clazz.getName().replace('.', '/') + ".class");
+    }
+              
+    /**
+     * Given the path to a resource this method finds the contribution that it belongs to
+     * this could be either a local directory of a jar file.
+     * 
+     * @param classLoader
+     * @param compositeString
+     * @return the contribution URL
+     * @throws MalformedURLException
+     */  
+    public static URL findContributionFromResource(ClassLoader classLoader, String compositeString) throws MalformedURLException {
+    	   	
+        URL contributionURL = classLoader.getResource(compositeString);
+        
+        if ( contributionURL != null ){ 
+            String contributionURLString = contributionURL.toExternalForm();
+            String protocol = contributionURL.getProtocol();
+            
+            if ("file".equals(protocol)) {
+                // directory contribution
+                if (contributionURLString.endsWith(compositeString)) {
+                    String location = contributionURLString.substring(0, contributionURLString.lastIndexOf(compositeString));
+                    // workaround from evil URL/URI form Maven
+                    contributionURL = toFile(new URL(location)).toURI().toURL();
+                }
+    
+            } else if ("jar".equals(protocol)) {
+                // jar contribution
+                String location = contributionURLString.substring(4, contributionURLString.lastIndexOf("!/"));
+                // workaround for evil URL/URI from Maven
+                contributionURL = toFile(new URL(location)).toURI().toURL();
+            }
+        } 
+        
+    	return contributionURL;
+    } 
+
+    /**
+     * Convert from a <code>URL</code> to a <code>File</code>.
+     * <p>
+     * From version 1.1 this method will decode the URL. Syntax such as
+     * <code>file:///my%20docs/file.txt</code> will be correctly decoded to
+     * <code>/my docs/file.txt</code>.
+     * 
+     * @param url the file URL to convert, null returns null
+     * @return the equivalent <code>File</code> object, or <code>null</code>
+     *         if the URL's protocol is not <code>file</code>
+     * @throws IllegalArgumentException if the file is incorrectly encoded
+     */
+    private static File toFile(URL url) {
+        if (url == null || !url.getProtocol().equals("file")) {
+            return null;
+        } else {
+            String filename = url.getFile().replace('/', File.separatorChar);
+            int pos = 0;
+            while ((pos = filename.indexOf('%', pos)) >= 0) { // NOPMD
+                if (pos + 2 < filename.length()) {
+                    String hexStr = filename.substring(pos + 1, pos + 3);
+                    char ch = (char)Integer.parseInt(hexStr, 16);
+                    filename = filename.substring(0, pos) + ch + filename.substring(pos + 3);
+                }
+            }
+            return new File(filename);
+        }
+    }
+
+}
+\ No newline at end of file