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.tuscany.sca.binding.atom; import java.io.File; import java.text.SimpleDateFormat; import java.util.Date; import junit.framework.Assert; import org.apache.abdera.Abdera; import org.apache.abdera.i18n.iri.IRI; import org.apache.abdera.model.Document; import org.apache.abdera.model.Entry; import org.apache.abdera.model.Link; import org.apache.abdera.parser.Parser; import org.apache.abdera.protocol.client.AbderaClient; import org.apache.http.Header; import org.apache.http.HttpResponse; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpPost; import org.apache.http.client.methods.HttpPut; import org.apache.http.entity.FileEntity; import org.apache.tuscany.sca.host.http.client.HttpClientFactory; import org.apache.tuscany.sca.node.Contribution; import org.apache.tuscany.sca.node.ContributionLocationHelper; import org.apache.tuscany.sca.node.Node; import org.apache.tuscany.sca.node.NodeFactory; import org.junit.AfterClass; import org.junit.BeforeClass; import org.junit.Test; /** * Tests use of server provided entry entity tags for Atom binding in Tuscany. * Tests conditional gets (e.g. get if-none-match) or conditional posts (post if-match) * using entity tags or last modified header entries. * Uses the SCA provided Provider composite to act as a server. * Uses the Abdera provided Client to act as a client. * * @version $Rev: 1043774 $ $Date: 2010-12-08 23:45:29 +0000 (Wed, 08 Dec 2010) $ */ public class MediaCollectionTestCase { public final static String providerURI = "http://localhost:8084/receipt"; protected static Node scaProviderNode; protected static CustomerClient testService; protected static Abdera abdera; protected static AbderaClient client; protected static Parser abderaParser; protected static String eTag; protected static Date lastModified; protected static String mediaId; protected static final SimpleDateFormat dateFormat = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss Z"); // RFC 822 date time @BeforeClass public static void init() throws Exception { try { //System.out.println(">>>MediaCollectionTestCase.init"); String contribution = ContributionLocationHelper.getContributionLocation(MediaCollectionTestCase.class); scaProviderNode = NodeFactory.newInstance().createNode( "org/apache/tuscany/sca/binding/atom/ReceiptProvider.composite", new Contribution("provider", contribution)); scaProviderNode.start(); abdera = new Abdera(); client = new AbderaClient(abdera); abderaParser = Abdera.getNewParser(); } catch (Exception e) { e.printStackTrace(); } } @AfterClass public static void destroy() throws Exception { System.out.println(">>>MediaCollectionTestCase.destroy"); if (scaProviderNode != null) { scaProviderNode.stop(); } } @Test public void testPrelim() throws Exception { Assert.assertNotNull(scaProviderNode); Assert.assertNotNull(client); } @Test public void testMediaEntryPost() throws Exception { // Pseudo Code (see APP (http://tools.ietf.org/html/rfc5023#section-9.6) // Post request // POST /edit/ HTTP/1.1 // Host: media.example.org // Content-Type: image/png // Slug: The Beach // Content-Length: nnn // ...binary data... // Testing of entry creation String receiptName = "Auto Repair Bill"; String fileName = "target/test-classes/ReceiptToms.gif"; File input = new File(fileName); boolean exists = input.exists(); Assert.assertTrue(exists); // Prepare HTTP post // PostMethod post = new PostMethod( colUri.toString() ); HttpPost post = new HttpPost(providerURI); post.addHeader("Content-Type", "image/gif"); post.addHeader("Title", "Title " + receiptName + ""); post.addHeader("Slug", "Slug " + receiptName + ""); post.setEntity(new FileEntity(input, "image/gif")); // Get HTTP client org.apache.http.client.HttpClient httpclient = new HttpClientFactory().createHttpClient(); try { // Execute request HttpResponse response = httpclient.execute(post); int result = response.getStatusLine().getStatusCode(); // Pseudo Code (see APP (http://tools.ietf.org/html/rfc5023#section-9.6) // Post response // Tuscany responds with proper media links. Note that the media is // stored in a different location than the media information which is // stored in the Atom feed. // HTTP/1.1 201 Created // Display status code // System.out.println("Response status code: " + result + ", status text=" + post.getStatusText() ); Assert.assertEquals(201, result); // Display response // System.out.println("Response body: "); // System.out.println(post.getResponseBodyAsString()); // Warning: BodyAsString recommends BodyAsStream // Location: http://example.org/media/edit/the_beach.atom (REQUIRED) // System.out.println( "Response Location=" + response.getFirstHeader( "Location" ).getValue() + "." ); Header header = response.getFirstHeader("Location"); Assert.assertNotNull(header); Assert.assertNotNull(header.getValue()); // ContentLocation: http://example.org/media/edit/the_beach.jpg (REQUIRED) // System.out.println( "Response Content-Location=" + response.getFirstHeader( "Content-Location" ).getValue() ); header = response.getFirstHeader("Content-Location"); Assert.assertNotNull(header); Assert.assertNotNull(header.getValue()); // Content-Type: application/atom+xml;type=entry;charset="utf-8" // System.out.println( "Response Content-Type=" + response.getFirstHeader( "Content-Type" ).getValue()); header = response.getFirstHeader("Content-Type"); Assert.assertNotNull(header); Assert.assertNotNull(header.getValue()); // Content-Length: nnn (OPTIONAL) // System.out.println( "Response Content-Length=" + response.getFirstHeader( "Content-Length" ).getValue() ); header = response.getFirstHeader("Content-Length"); Assert.assertNotNull(header); Assert.assertNotNull(header.getValue()); // <?xml version="1.0"?> // <entry xmlns="http://www.w3.org/2005/Atom"> // <title>The Beach</title> (REQUIRED) // <id>urn:uuid:1225c695-cfb8-4ebb-aaaa-80da344efa6a</id> (REQUIRED) // <updated>2005-10-07T17:17:08Z</updated> // <author><name>Daffy</name></author> // <summary type="text" /> (REQUIRED, OPTIONAL to populate // <content type="image/png" src="http://media.example.org/the_beach.png"/> // <link rel="edit-media" href="http://media.example.org/edit/the_beach.png" /> // <link rel="edit" href="http://example.org/media/edit/the_beach.atom" /> // </entry> Document<Entry> document = abderaParser.parse(response.getEntity().getContent()); Entry entry = document.getRoot(); String title = entry.getTitle(); // System.out.println( "mediaPost entry.title=" + title ); Assert.assertNotNull(title); IRI id = entry.getId(); // System.out.println( "mediaPost entry.id=" + id ); Assert.assertNotNull(id); mediaId = id.toString(); Assert.assertNotNull(mediaId); // Save for put/update request Date updated = entry.getUpdated(); // System.out.println( "mediaPost entry.updated=" + updated); Assert.assertNotNull(updated); String summary = entry.getSummary(); // System.out.println( "mediaPost entry.summary=" + summary); Assert.assertNotNull(summary); IRI contentSrc = entry.getContentSrc(); // System.out.println( "mediaPost entry.content.src=" + contentSrc + ", type=" + entry.getContentType()); Assert.assertNotNull(contentSrc); Link editLink = entry.getEditLink(); // System.out.println( "mediaPost entry.editLink" + " rel=" + editLink.getRel() + ", href=" + editLink.getHref() ); Assert.assertNotNull(editLink); Assert.assertNotNull(editLink.getRel()); Assert.assertNotNull(editLink.getHref()); Link editMediaLink = entry.getEditMediaLink(); // System.out.println( "mediaPost entry.editMediaLink" + " rel=" + editMediaLink.getRel() + ", href=" + editMediaLink.getHref() ); Assert.assertNotNull(editMediaLink); Assert.assertNotNull(editMediaLink.getRel()); Assert.assertNotNull(editMediaLink.getHref()); } finally { // Release current connection to the connection pool once you are done // post.releaseConnection(); } } @Test public void testMediaEntryPutFound() throws Exception { // Pseudo Code (see APP (http://tools.ietf.org/html/rfc5023#section-9.6) // Testing of entry update String receiptName = "Value Autoglass Bill"; String fileName = "target/test-classes/ReceiptValue.jpg"; File input = new File(fileName); boolean exists = input.exists(); Assert.assertTrue(exists); // Prepare HTTP put request // PUT /edit/the_beach.png HTTP/1.1 // Host: media.example.org // Content-Type: image/png // Content-Length: nnn // ...binary data... HttpPut put = new HttpPut(providerURI + "/" + mediaId); put.addHeader("Content-Type", "image/jpg"); put.addHeader("Title", "Title " + receiptName + ""); put.addHeader("Slug", "Slug " + receiptName + ""); put.setEntity(new FileEntity(input, "image/jpg")); // Get HTTP client HttpClient httpclient = new HttpClientFactory().createHttpClient(); try { // Execute request HttpResponse response = httpclient.execute(put); response.getEntity().consumeContent(); int result = response.getStatusLine().getStatusCode(); // Pseudo Code (see APP (http://tools.ietf.org/html/rfc5023#section-9.6) // Display status code // System.out.println("Response status code: " + result + ", status text=" + put.getStatusText() ); Assert.assertEquals(200, result); // Display response. Should be empty for put. // System.out.println("Response body: "); // System.out.println(put.getResponseBodyAsString()); // Warning: BodyAsString recommends BodyAsStream } finally { // Release current connection to the connection pool once you are done // put.releaseConnection(); } } @Test public void testMediaEntryPutNotFound() throws Exception { // Pseudo Code (see APP (http://tools.ietf.org/html/rfc5023#section-9.6) // Testing of entry update String receiptName = "Value Autoglass Bill"; String fileName = "target/test-classes/ReceiptValue.jpg"; File input = new File(fileName); boolean exists = input.exists(); Assert.assertTrue(exists); // Prepare HTTP put request // PUT /edit/the_beach.png HTTP/1.1 // Host: media.example.org // Content-Type: image/png // Content-Length: nnn // ...binary data... HttpPut put = new HttpPut(providerURI + "/" + mediaId + "-bogus"); // Does not exist. put.addHeader("Content-Type", "image/jpg"); put.addHeader("Title", "Title " + receiptName + ""); put.addHeader("Slug", "Slug " + receiptName + ""); put.setEntity(new FileEntity(input, "image/jpg")); // Get HTTP client HttpClient httpclient = new HttpClientFactory().createHttpClient(); try { // Execute request HttpResponse response = httpclient.execute(put); int result = response.getStatusLine().getStatusCode(); // Pseudo Code (see APP (http://tools.ietf.org/html/rfc5023#section-9.6) // Display status code // System.out.println("Response status code: " + result + ", status text=" + put.getStatusText() ); Assert.assertEquals(404, result); // Display response. Should be empty for put. // System.out.println("Response body: "); // System.out.println(put.getResponseBodyAsString()); // Warning: BodyAsString recommends BodyAsStream } finally { // Release current connection to the connection pool once you are done // put.releaseConnection(); } } }