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.apache.wink.itest.contextresolver; import java.io.ByteArrayInputStream; import java.io.InputStream; import java.io.StringWriter; import java.util.List; import javax.xml.bind.JAXBContext; import javax.xml.bind.Marshaller; import javax.xml.bind.Unmarshaller; import junit.framework.TestCase; import org.apache.commons.httpclient.Header; import org.apache.commons.httpclient.HttpClient; import org.apache.commons.httpclient.methods.ByteArrayRequestEntity; import org.apache.commons.httpclient.methods.DeleteMethod; import org.apache.commons.httpclient.methods.GetMethod; import org.apache.commons.httpclient.methods.HeadMethod; import org.apache.commons.httpclient.methods.PostMethod; import org.apache.commons.httpclient.methods.RequestEntity; import org.apache.wink.test.integration.ServerEnvironmentInfo; public class DepartmentTest extends TestCase { public static String getBaseURI() { if (ServerEnvironmentInfo.isRestFilterUsed()) { return ServerEnvironmentInfo.getBaseURI() + "/departments"; } return ServerEnvironmentInfo.getBaseURI() + "/simplecontextresolver/departments"; } /** * This will drive several different requests that interact with the * Departments resource class. */ public void testDepartmentsResourceJAXB() throws Exception { PostMethod postMethod = null; GetMethod getAllMethod = null; GetMethod getOneMethod = null; HeadMethod headMethod = null; DeleteMethod deleteMethod = null; try { // make sure everything is clear before testing DepartmentDatabase.clearEntries(); // create a new Department Department newDepartment = new Department(); newDepartment.setDepartmentId("1"); newDepartment.setDepartmentName("Marketing"); JAXBContext context = JAXBContext .newInstance(new Class<?>[] { Department.class, DepartmentListWrapper.class }); Marshaller marshaller = context.createMarshaller(); StringWriter sw = new StringWriter(); marshaller.marshal(newDepartment, sw); HttpClient client = new HttpClient(); postMethod = new PostMethod(getBaseURI()); RequestEntity reqEntity = new ByteArrayRequestEntity(sw.toString().getBytes(), "text/xml"); postMethod.setRequestEntity(reqEntity); client.executeMethod(postMethod); newDepartment = new Department(); newDepartment.setDepartmentId("2"); newDepartment.setDepartmentName("Sales"); sw = new StringWriter(); marshaller.marshal(newDepartment, sw); client = new HttpClient(); postMethod = new PostMethod(getBaseURI()); reqEntity = new ByteArrayRequestEntity(sw.toString().getBytes(), "text/xml"); postMethod.setRequestEntity(reqEntity); client.executeMethod(postMethod); // now let's get the list of Departments that we just created // (should be 2) client = new HttpClient(); getAllMethod = new GetMethod(getBaseURI()); client.executeMethod(getAllMethod); byte[] bytes = getAllMethod.getResponseBody(); assertNotNull(bytes); InputStream bais = new ByteArrayInputStream(bytes); Unmarshaller unmarshaller = context.createUnmarshaller(); Object obj = unmarshaller.unmarshal(bais); assertTrue(obj instanceof DepartmentListWrapper); DepartmentListWrapper wrapper = (DepartmentListWrapper) obj; List<Department> dptList = wrapper.getDepartmentList(); assertNotNull(dptList); assertEquals(2, dptList.size()); // now get a specific Department that was created client = new HttpClient(); getOneMethod = new GetMethod(getBaseURI() + "/1"); client.executeMethod(getOneMethod); bytes = getOneMethod.getResponseBody(); assertNotNull(bytes); bais = new ByteArrayInputStream(bytes); obj = unmarshaller.unmarshal(bais); assertTrue(obj instanceof Department); Department dept = (Department) obj; assertEquals("1", dept.getDepartmentId()); assertEquals("Marketing", dept.getDepartmentName()); // let's send a Head request for both an existent and non-existent // resource // we are testing to see if header values being set in the resource // implementation // are sent back appropriately client = new HttpClient(); headMethod = new HeadMethod(getBaseURI() + "/3"); client.executeMethod(headMethod); assertNotNull(headMethod.getResponseHeaders()); Header header = headMethod.getResponseHeader("unresolved-id"); assertNotNull(header); assertEquals("3", header.getValue()); headMethod.releaseConnection(); // now the resource that should exist headMethod = new HeadMethod(getBaseURI() + "/1"); client.executeMethod(headMethod); assertNotNull(headMethod.getResponseHeaders()); header = headMethod.getResponseHeader("resolved-id"); assertNotNull(header); assertEquals("1", header.getValue()); deleteMethod = new DeleteMethod(getBaseURI() + "/1"); client.executeMethod(deleteMethod); assertEquals(204, deleteMethod.getStatusCode()); deleteMethod = new DeleteMethod(getBaseURI() + "/2"); client.executeMethod(deleteMethod); assertEquals(204, deleteMethod.getStatusCode()); } catch (Exception e) { e.printStackTrace(); fail(e.getMessage()); } finally { if (postMethod != null) { postMethod.releaseConnection(); } if (getAllMethod != null) { getAllMethod.releaseConnection(); } if (getOneMethod != null) { getOneMethod.releaseConnection(); } if (headMethod != null) { headMethod.releaseConnection(); } if (deleteMethod != null) { deleteMethod.releaseConnection(); } } } }