diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0.1/modules/binding-atom-runtime/src/main/java/org/apache/tuscany/sca/binding/atom/provider/AtomReferenceBindingProvider.java')
-rw-r--r-- | sca-java-2.x/tags/2.0.1/modules/binding-atom-runtime/src/main/java/org/apache/tuscany/sca/binding/atom/provider/AtomReferenceBindingProvider.java | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1/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/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/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; + } + +} |