diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0-Beta2-RC3/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPInvoker.java')
-rw-r--r-- | sca-java-2.x/tags/2.0-Beta2-RC3/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPInvoker.java | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta2-RC3/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPInvoker.java b/sca-java-2.x/tags/2.0-Beta2-RC3/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPInvoker.java deleted file mode 100644 index 6b0bfec213..0000000000 --- a/sca-java-2.x/tags/2.0-Beta2-RC3/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPInvoker.java +++ /dev/null @@ -1,174 +0,0 @@ -/* - * 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.jsonp.runtime; - -import java.io.BufferedReader; -import java.io.ByteArrayOutputStream; -import java.io.IOException; -import java.io.InputStream; -import java.io.InputStreamReader; - -import org.apache.commons.codec.EncoderException; -import org.apache.commons.codec.net.URLCodec; -import org.apache.http.HttpEntity; -import org.apache.http.HttpResponse; -import org.apache.http.client.HttpClient; -import org.apache.http.client.methods.HttpGet; -import org.apache.http.impl.client.DefaultHttpClient; -import org.apache.tuscany.sca.assembly.EndpointReference; -import org.apache.tuscany.sca.interfacedef.Operation; -import org.apache.tuscany.sca.invocation.Invoker; -import org.apache.tuscany.sca.invocation.Message; -import org.codehaus.jackson.JsonGenerationException; -import org.codehaus.jackson.JsonParseException; -import org.codehaus.jackson.map.JsonMappingException; -import org.codehaus.jackson.map.ObjectMapper; - -public class JSONPInvoker implements Invoker { - - protected Operation operation; - protected EndpointReference endpoint; - - protected ObjectMapper mapper; // TODO: share mapper btw invoker and servlet or move to databinding - - public JSONPInvoker(Operation operation, EndpointReference endpoint) { - this.operation = operation; - this.endpoint = endpoint; - this.mapper = new ObjectMapper(); - } - - public Message invoke(Message msg) { - try { - - return doInvoke(msg); - - } catch (Exception e) { - throw new RuntimeException(e); - } - } - - public Message doInvoke(Message msg) throws JsonGenerationException, JsonMappingException, IOException, EncoderException { - String uri = endpoint.getBinding().getURI() + "/" + operation.getName(); - //String[] jsonArgs = objectsToJSON((Object[])msg.getBody()); - String[] jsonArgs = objectsToJSONStrings((Object[])msg.getBody()); - - String responseJSON = invokeHTTPRequest(uri, jsonArgs); - - //Object response = jsonToObjects(responseJSON)[0]; - msg.setBody(responseJSON); - - return msg; - } - - protected String invokeHTTPRequest(String url, String[] jsonArgs) throws IOException, EncoderException { - - HttpClient httpclient = new DefaultHttpClient(); - - - URLCodec uc = new URLCodec(); - for (int i=0 ; i<jsonArgs.length; i++) { - if (i == 0) { - url += '?'; - } else { - url += '&'; - } - url += "arg" + i + "="; - url += uc.encode(jsonArgs[i]); - } - - HttpGet httpget = new HttpGet(url); - - HttpResponse response = httpclient.execute(httpget); - - StringBuffer responseJSON = new StringBuffer(); - - HttpEntity entity = response.getEntity(); - - // If the response does not enclose an entity, there is no need - // to worry about connection release - if (entity != null) { - InputStream instream = entity.getContent(); - try { - - BufferedReader reader = new BufferedReader(new InputStreamReader(instream)); - String s = null; - while ((s = reader.readLine()) != null) { - responseJSON.append(s); - } - - } catch (IOException ex) { - - // In case of an IOException the connection will be released - // back to the connection manager automatically - throw ex; - - } catch (RuntimeException ex) { - - // In case of an unexpected exception you may want to abort - // the HTTP request in order to shut down the underlying - // connection and release it back to the connection manager. - httpget.abort(); - throw ex; - - } finally { - - // Closing the input stream will trigger connection release - instream.close(); - - } - - // When HttpClient instance is no longer needed, - // shut down the connection manager to ensure - // immediate deallocation of all system resources - httpclient.getConnectionManager().shutdown(); - } - - return responseJSON.toString(); - } - -/* Not required now JSON conversion is delegated to databinding - protected String[] objectsToJSON(Object[] msgArgs) throws JsonGenerationException, JsonMappingException, IOException { - String[] jsonArgs = new String[msgArgs.length]; - for (int i=0; i<msgArgs.length; i++) { - ByteArrayOutputStream os = new ByteArrayOutputStream(); - mapper.writeValue(os , msgArgs[i]); - jsonArgs[i] = os.toString(); - } - return jsonArgs; - } -*/ - - protected String[] objectsToJSONStrings(Object[] msgArgs) throws JsonGenerationException, JsonMappingException, IOException { - String[] jsonArgs = new String[msgArgs.length]; - for (int i=0; i<msgArgs.length; i++) { - jsonArgs[i] = msgArgs[i].toString(); - } - return jsonArgs; - } - -/* Not required now JSON conversion is delegated to databinding - protected Object[] jsonToObjects(String jsonRequest) throws JsonParseException, JsonMappingException, IOException { - Class<?> c = new Object[0].getClass(); - Object[] args = (Object[])mapper.readValue("[" + jsonRequest +"]", c); - return args; - } -*/ - -} |