Java tutorial
/* * Licensed to Crate under one or more contributor license agreements. * See the NOTICE file distributed with this work for additional * information regarding copyright ownership. Crate 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. * * However, if you have executed another commercial license agreement * with Crate these terms will supersede the license and you may use the * software solely pursuant to the terms of the relevant commercial * agreement. */ package io.crate.rest; import io.crate.plugin.HttpTransportPlugin; import org.apache.http.Header; import org.apache.http.client.methods.CloseableHttpResponse; import org.apache.http.client.methods.HttpGet; import org.apache.http.client.methods.HttpPost; import org.apache.http.client.methods.HttpUriRequest; import org.apache.http.client.protocol.HttpClientContext; import org.apache.http.impl.client.CloseableHttpClient; import org.apache.http.impl.client.HttpClients; import org.apache.http.message.BasicHeader; import org.elasticsearch.common.settings.Settings; import org.elasticsearch.common.transport.InetSocketTransportAddress; import org.elasticsearch.env.Environment; import org.elasticsearch.http.HttpServerTransport; import org.elasticsearch.plugins.Plugin; import org.elasticsearch.test.ESIntegTestCase; import org.elasticsearch.transport.Netty4Plugin; import org.junit.Before; import java.io.IOException; import java.net.InetSocketAddress; import java.net.URI; import java.nio.charset.Charset; import java.nio.file.Files; import java.nio.file.Path; import java.util.Arrays; import java.util.Collection; import java.util.Collections; import java.util.Iterator; import java.util.List; import java.util.Locale; import java.util.concurrent.ExecutionException; import static org.elasticsearch.common.network.NetworkModule.HTTP_DEFAULT_TYPE_SETTING; import static org.elasticsearch.common.network.NetworkModule.HTTP_ENABLED; import static org.hamcrest.core.Is.is; public abstract class AdminUIHttpIntegrationTest extends ESIntegTestCase { protected InetSocketAddress address; protected CloseableHttpClient httpClient = HttpClients.createDefault(); @Override protected Settings nodeSettings(int nodeOrdinal) { return Settings.builder().put(super.nodeSettings(nodeOrdinal)).put(HTTP_ENABLED.getKey(), true) .put(HTTP_DEFAULT_TYPE_SETTING.getKey(), "netty4").build(); } @SuppressWarnings("unchecked") @Override protected Collection<Class<? extends Plugin>> nodePlugins() { return Arrays.asList(HttpTransportPlugin.class, Netty4Plugin.class); } @Before public void setup() throws ExecutionException, InterruptedException, IOException { Iterable<HttpServerTransport> transports = internalCluster().getInstances(HttpServerTransport.class); Iterator<HttpServerTransport> httpTransports = transports.iterator(); address = ((InetSocketTransportAddress) httpTransports.next().boundAddress().publishAddress()).address(); // place index file final Path indexDirectory = internalCluster().getInstance(Environment.class).libFile().resolve("site"); Files.createDirectories(indexDirectory); final Path indexFile = indexDirectory.resolve("index.html"); Files.write(indexFile, Collections.singletonList("<h1>Crate Admin</h1>"), Charset.forName("UTF-8")); } private CloseableHttpResponse executeAndDefaultAssertions(HttpUriRequest request) throws IOException { CloseableHttpResponse resp = httpClient.execute(request); assertThat(resp.containsHeader("Connection"), is(false)); return resp; } CloseableHttpResponse get(String uri) throws IOException { return get(uri, null); } CloseableHttpResponse get(String uri, Header[] headers) throws IOException { HttpGet httpGet = new HttpGet( String.format(Locale.ENGLISH, "http://%s:%s/%s", address.getHostName(), address.getPort(), uri)); if (headers != null) { httpGet.setHeaders(headers); } return executeAndDefaultAssertions(httpGet); } CloseableHttpResponse browserGet(String uri) throws IOException { Header[] headers = { browserHeader() }; return get(uri, headers); } CloseableHttpResponse post(String uri) throws IOException { HttpPost httpPost = new HttpPost( String.format(Locale.ENGLISH, "http://%s:%s/%s", address.getHostName(), address.getPort(), uri)); return executeAndDefaultAssertions(httpPost); } List<URI> getAllRedirectLocations(String uri, Header[] headers) throws IOException { CloseableHttpResponse response = null; try { HttpClientContext context = HttpClientContext.create(); HttpGet httpGet = new HttpGet(String.format(Locale.ENGLISH, "http://%s:%s/%s", address.getHostName(), address.getPort(), uri)); if (headers != null) { httpGet.setHeaders(headers); } response = httpClient.execute(httpGet, context); // get all redirection locations return context.getRedirectLocations(); } finally { if (response != null) { response.close(); } } } static BasicHeader browserHeader() { return new BasicHeader("User-Agent", "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.106 Safari/537.36"); } }