Java tutorial
/* * JBoss, Home of Professional Open Source. * Copyright 2014 Red Hat, Inc., and individual contributors * as indicated by the @author tags. * * Licensed 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 io.undertow.server.handlers; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import io.undertow.predicate.Predicate; import io.undertow.server.HttpServerExchange; import io.undertow.server.HttpHandler; import io.undertow.testutils.DefaultServer; import io.undertow.testutils.HttpClientUtils; import io.undertow.testutils.TestHttpClient; import io.undertow.util.StatusCodes; import org.apache.http.HttpResponse; import org.apache.http.client.methods.HttpPost; import org.apache.http.entity.StringEntity; import org.apache.http.params.BasicHttpParams; import org.apache.http.params.HttpParams; import org.junit.Assert; import org.junit.Assume; import org.junit.Before; import org.junit.BeforeClass; import org.junit.Test; import org.junit.runner.RunWith; /** * @author Stuart Douglas */ @RunWith(DefaultServer.class) public class HttpContinueAcceptingHandlerTestCase { private static volatile boolean accept = false; @BeforeClass public static void setup() { final BlockingHandler blockingHandler = new BlockingHandler(); final HttpContinueAcceptingHandler handler = new HttpContinueAcceptingHandler(blockingHandler, new Predicate() { @Override public boolean resolve(HttpServerExchange value) { return accept; } }); DefaultServer.setRootHandler(handler); blockingHandler.setRootHandler(new HttpHandler() { @Override public void handleRequest(final HttpServerExchange exchange) { try { byte[] buffer = new byte[1024]; final ByteArrayOutputStream b = new ByteArrayOutputStream(); int r = 0; final OutputStream outputStream = exchange.getOutputStream(); final InputStream inputStream = exchange.getInputStream(); while ((r = inputStream.read(buffer)) > 0) { b.write(buffer, 0, r); } outputStream.write(b.toByteArray()); outputStream.close(); } catch (IOException e) { throw new RuntimeException(e); } } }); } @Before public void before() { Assume.assumeFalse(DefaultServer.isAjp()); } @Test public void testHttpContinueRejected() throws IOException { accept = false; String message = "My HTTP Request!"; HttpParams httpParams = new BasicHttpParams(); httpParams.setParameter("http.protocol.wait-for-continue", Integer.MAX_VALUE); TestHttpClient client = new TestHttpClient(); client.setParams(httpParams); try { HttpPost post = new HttpPost(DefaultServer.getDefaultServerURL() + "/path"); post.addHeader("Expect", "100-continue"); post.setEntity(new StringEntity(message)); HttpResponse result = client.execute(post); Assert.assertEquals(StatusCodes.EXPECTATION_FAILED, result.getStatusLine().getStatusCode()); } finally { client.getConnectionManager().shutdown(); } } @Test public void testHttpContinueAccepted() throws IOException { accept = true; String message = "My HTTP Request!"; HttpParams httpParams = new BasicHttpParams(); httpParams.setParameter("http.protocol.wait-for-continue", Integer.MAX_VALUE); TestHttpClient client = new TestHttpClient(); client.setParams(httpParams); try { HttpPost post = new HttpPost(DefaultServer.getDefaultServerURL() + "/path"); post.addHeader("Expect", "100-continue"); post.setEntity(new StringEntity(message)); HttpResponse result = client.execute(post); Assert.assertEquals(StatusCodes.OK, result.getStatusLine().getStatusCode()); Assert.assertEquals(message, HttpClientUtils.readResponse(result)); } finally { client.getConnectionManager().shutdown(); } } }