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. * ==================================================================== * * @author Gael COLIN */ package net.gcolin.httpquery; import java.io.InputStream; import java.io.UnsupportedEncodingException; import java.util.logging.Level; import java.util.logging.Logger; import org.apache.http.client.methods.HttpDelete; import org.apache.http.client.methods.HttpGet; import org.apache.http.client.methods.HttpHead; import org.apache.http.client.methods.HttpOptions; import org.apache.http.client.methods.HttpPost; import org.apache.http.client.methods.HttpPut; import org.apache.http.client.methods.HttpTrace; import org.apache.http.entity.ByteArrayEntity; import org.apache.http.entity.InputStreamEntity; import org.apache.http.entity.StringEntity; public class HttpHandlerImpl implements HttpHandler { public static final String ERROR_MESSAGE = "cannot send request"; @Override public Request get(String uri) { return new RequestImpl(new HttpGet(uri)); } @Override public Request delete(String uri) { return new RequestImpl(new HttpDelete(uri)); } @Override public RequestWithPayload put(String uri, Object obj) { return new RequestWithPayloadImpl(new HttpPut(uri), obj); } @Override public Request put(String uri, byte[] data) { HttpPut put = new HttpPut(uri); put.setEntity(new ByteArrayEntity(data)); return new RequestImpl(put); } @Override public Request put(String uri, String str) { HttpPut put = new HttpPut(uri); try { put.setEntity(new StringEntity(str)); } catch (UnsupportedEncodingException e) { Logger.getLogger(this.getClass().getName()).log(Level.SEVERE, e.getMessage(), e); } return new RequestImpl(put); } @Override public Request put(String uri, InputStream inStream) { HttpPut put = new HttpPut(uri); put.setEntity(new InputStreamEntity(inStream, -1)); return new RequestImpl(put); } @Override public RequestWithPayload post(String uri, Object obj) { return new RequestWithPayloadImpl(new HttpPost(uri), obj); } @Override public Request post(String uri, byte[] data) { HttpPost post = new HttpPost(uri); post.setEntity(new ByteArrayEntity(data)); return new RequestImpl(post); } @Override public Request post(String uri, InputStream inStream) { HttpPost post = new HttpPost(uri); post.setEntity(new InputStreamEntity(inStream, -1)); return new RequestImpl(post); } @Override public Request post(String uri, String str) { HttpPost post = new HttpPost(uri); try { post.setEntity(new StringEntity(str)); } catch (UnsupportedEncodingException e) { Logger.getLogger(this.getClass().getName()).log(Level.SEVERE, e.getMessage(), e); } return new RequestImpl(post); } @Override public Request trace(String uri) { return new RequestImpl(new HttpTrace(uri)); } @Override public Request head(String uri) { return new RequestImpl(new HttpHead(uri)); } @Override public Request options(String uri) { return new RequestImpl(new HttpOptions(uri)); } }