1 files changed, 174 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-atom-runtime/src/main/java/org/apache/tuscany/sca/binding/atom/provider/AtomReferenceBindingProvider.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-atom-runtime/src/main/java/org/apache/tuscany/sca/binding/atom/provider/AtomReferenceBindingProvider.java
new file mode 100644
index 0000000000..83c26c7c21
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-atom-runtime/src/main/java/org/apache/tuscany/sca/binding/atom/provider/AtomReferenceBindingProvider.java
@@ -0,0 +1,174 @@
+/*
+ * 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.binding.atom.provider;
+
+import org.apache.http.client.HttpClient;
+import org.apache.tuscany.sca.assembly.EndpointReference;
+import org.apache.tuscany.sca.binding.atom.AtomBinding;
+import org.apache.tuscany.sca.databinding.Mediator;
+import org.apache.tuscany.sca.host.http.client.HttpClientFactory;
+import org.apache.tuscany.sca.interfacedef.DataType;
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.interfacedef.impl.DataTypeImpl;
+import org.apache.tuscany.sca.interfacedef.util.XMLType;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.provider.ReferenceBindingProvider;
+import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
+
+/**
+ * Implementation of the Atom binding provider.
+ *
+ * @version $Rev$ $Date$
+ */
+class AtomReferenceBindingProvider implements ReferenceBindingProvider {
+    private HttpClientFactory httpClientFactory;
+    private EndpointReference endpointReference;
+    private RuntimeComponentReference reference;
+    private AtomBinding binding;
+    private String authorizationHeader = null;
+    private HttpClient httpClient;
+    private Mediator mediator;
+    private DataType<?> itemClassType;
+    private DataType<?> itemXMLType;
+    private boolean supportsFeedEntries;
+
+    /**
+     * Constructs a new AtomReferenceBindingProvider
+     * @param component
+     * @param reference
+     * @param binding
+     * @param mediator
+     */
+    AtomReferenceBindingProvider(HttpClientFactory httpClientFactory,
+                                 EndpointReference endpointReference,
+                                 Mediator mediator) {
+        this.httpClientFactory = httpClientFactory;
+        this.endpointReference = endpointReference;
+        this.reference = (RuntimeComponentReference)endpointReference.getReference();
+        this.binding = (AtomBinding)endpointReference.getBinding();
+        this.mediator = mediator;
+
+        // Prepare authorization header
+        // TUSCANY-3735: Don't send authorization header by default as this can cause problems.
+        // Commented out the following two lines until we have a better way to control this.
+        //String authorization = "admin" + ":" + "admin";
+        //authorizationHeader = "Basic " + new String(Base64.encodeBase64(authorization.getBytes()));
+
+    }
+
+    public Invoker createInvoker(Operation operation) {
+        
+        String operationName = operation.getName();            
+        String uri = endpointReference.getDeployedURI();
+        if (operationName.equals("get")) { 
+
+            // Determine the collection item type
+            itemXMLType = new DataTypeImpl<Class<?>>(String.class.getName(), String.class, String.class);
+            DataType<XMLType> outputType = operation.getOutputType().getLogical().get(0);
+            itemClassType = outputType;
+            if (itemClassType.getPhysical() == org.apache.abdera.model.Entry.class) {
+                supportsFeedEntries = true;
+            }
+
+            return new AtomBindingInvoker.GetInvoker(operation, uri, httpClient, authorizationHeader, this);
+
+        } else if (operationName.equals("post")) {
+            return new AtomBindingInvoker.PostInvoker(operation, uri, httpClient, authorizationHeader, this);
+        } else if (operationName.equals("put")) {
+            return new AtomBindingInvoker.PutInvoker(operation, uri, httpClient, authorizationHeader, this);
+        } else if (operationName.equals("delete")) {
+            return new AtomBindingInvoker.DeleteInvoker(operation, uri, httpClient, authorizationHeader, this);
+        } else if (operationName.equals("getFeed") || operationName.equals("getAll")) {
+            return new AtomBindingInvoker.GetAllInvoker(operation, uri, httpClient, authorizationHeader, this);
+        } else if (operationName.equals("postMedia")) {
+            return new AtomBindingInvoker.PostMediaInvoker(operation, uri, httpClient, authorizationHeader, this);
+        } else if (operationName.equals("putMedia")) {
+            return new AtomBindingInvoker.PutMediaInvoker(operation, uri, httpClient, authorizationHeader, this);
+        } else if (operationName.equals("query")) {
+            return new AtomBindingInvoker.QueryInvoker(operation, uri, httpClient, authorizationHeader, this);
+        }
+
+        return new AtomBindingInvoker(operation, uri, httpClient, authorizationHeader, this);
+    }
+
+    public InterfaceContract getBindingInterfaceContract() {
+        return reference.getInterfaceContract();
+    }
+
+    public void start() {
+
+        // Configure the HTTP client credentials
+        // TUSCANY-3735: Don't use authentication by default as this can cause problems.
+        // Commented out the following four lines until we have a better way to control this.
+        //Credentials credentials = new UsernamePasswordCredentials("admin", "admin");
+        //httpClient.getParams().setAuthenticationPreemptive(true);
+        //URI uri = URI.create(binding.getURI());
+        //httpClient.getState().setCredentials(new AuthScope(uri.getHost(), uri.getPort()), credentials);
+
+        // Find the get operation on the reference interface
+        // Create an HTTP client
+        httpClient = httpClientFactory.createHttpClient();
+    }
+
+    public void stop() {
+        if (httpClient != null) {
+            httpClient.getConnectionManager().shutdown();
+        }    	
+    }
+    
+    public boolean supportsOneWayInvocation() {
+        return false;
+    }
+
+    /**
+     * Returns the mediator.
+     * @return
+     */
+    Mediator getMediator() {
+        return mediator;
+    }
+
+    /**
+     * Returns the item class type.
+     * @return
+     */
+    DataType<?> getItemClassType() {
+        return itemClassType;
+    }
+
+    /**
+     * Returns the item XML type.
+     * @return
+     */
+    DataType<?> getItemXMLType() {
+        return itemXMLType;
+    }
+    
+    /**
+     * Returns true if the invoker should work with Atom
+     * feed entries.
+     * @return
+     */
+    boolean supportsFeedEntries() {
+        return supportsFeedEntries;
+    }
+
+}