Java tutorial
/* * 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.bpmscript.http; import java.io.IOException; import org.apache.commons.httpclient.HttpClient; import org.apache.commons.httpclient.HttpException; import org.apache.commons.httpclient.methods.GetMethod; import org.apache.commons.httpclient.methods.PostMethod; import org.bpmscript.BpmScriptException; import org.bpmscript.util.StreamService; /** * */ public class HttpClientRestService implements IRestService { /** * @throws BpmScriptException * @see org.bpmscript.http.IRestService#get(java.lang.String) */ public String get(String url) throws BpmScriptException { HttpClient client = new HttpClient(); GetMethod getMethod = new GetMethod(url); try { int status = client.executeMethod(getMethod); if (status == 200) { String result = StreamService.DEFAULT_INSTANCE.readFully(getMethod.getResponseBodyAsStream()); return result; } else { throw new BpmScriptException("Error status of " + status); } } catch (HttpException e) { throw new BpmScriptException(e); } catch (IOException e) { throw new BpmScriptException(e); } finally { getMethod.releaseConnection(); } } /** * @throws BpmScriptException * @see org.bpmscript.http.IRestService#post(java.lang.String, java.lang.String) */ @SuppressWarnings("deprecation") public String post(String url, String content) throws BpmScriptException { HttpClient client = new HttpClient(); PostMethod postMethod = new PostMethod(url); postMethod.setRequestBody(content); try { int status = client.executeMethod(postMethod); if (status == 200) { String result = StreamService.DEFAULT_INSTANCE.readFully(postMethod.getResponseBodyAsStream()); return result; } else { throw new BpmScriptException("Error status of " + status); } } catch (HttpException e) { throw new BpmScriptException(e); } catch (IOException e) { throw new BpmScriptException(e); } finally { postMethod.releaseConnection(); } } }