diff options
Diffstat (limited to 'java/sca/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPInvoker.java')
| -rw-r--r-- | java/sca/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPInvoker.java | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/java/sca/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPInvoker.java b/java/sca/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPInvoker.java deleted file mode 100644 index 851f4b53c9..0000000000 --- a/java/sca/modules/binding-jsonp-runtime/src/main/java/org/apache/tuscany/sca/binding/jsonp/runtime/JSONPInvoker.java +++ /dev/null @@ -1,165 +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.DataExchangeSemantics;
-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, DataExchangeSemantics {
-
- 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 responseJSON = invokeHTTPRequest(uri, jsonArgs);
-
- Object response = jsonToObjects(responseJSON)[0];
- msg.setBody(response);
-
- 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();
- }
-
- 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 Object[] jsonToObjects(String jsonRequest) throws JsonParseException, JsonMappingException, IOException {
- Class<?> c = new Object[0].getClass();
- Object[] args = (Object[])mapper.readValue("[" + jsonRequest +"]", c);
- return args;
- }
-
- public boolean allowsPassByReference() {
- return true;
- }
-}
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