| /** |
| * 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.hadoop.hdfs.web; |
| |
| import java.io.IOException; |
| import java.net.HttpURLConnection; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.net.URL; |
| import java.security.PrivilegedExceptionAction; |
| import java.util.Map; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FSDataOutputStream; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.hdfs.DFSConfigKeys; |
| import org.apache.hadoop.hdfs.web.resources.HttpOpParam; |
| import org.apache.hadoop.hdfs.web.resources.Param; |
| import org.apache.hadoop.security.UserGroupInformation; |
| import org.junit.Assert; |
| |
| public class WebHdfsTestUtil { |
| public static final Log LOG = LogFactory.getLog(WebHdfsTestUtil.class); |
| |
| public static WebHdfsFileSystem getWebHdfsFileSystem(final Configuration conf |
| ) throws IOException, URISyntaxException { |
| final String uri = WebHdfsFileSystem.SCHEME + "://" |
| + conf.get(DFSConfigKeys.DFS_NAMENODE_HTTP_ADDRESS_KEY); |
| return (WebHdfsFileSystem)FileSystem.get(new URI(uri), conf); |
| } |
| |
| public static WebHdfsFileSystem getWebHdfsFileSystemAs( |
| final UserGroupInformation ugi, final Configuration conf |
| ) throws IOException, URISyntaxException, InterruptedException { |
| return ugi.doAs(new PrivilegedExceptionAction<WebHdfsFileSystem>() { |
| @Override |
| public WebHdfsFileSystem run() throws Exception { |
| return getWebHdfsFileSystem(conf); |
| } |
| }); |
| } |
| |
| public static URL toUrl(final WebHdfsFileSystem webhdfs, |
| final HttpOpParam.Op op, final Path fspath, |
| final Param<?,?>... parameters) throws IOException { |
| final URL url = webhdfs.toUrl(op, fspath, parameters); |
| WebHdfsTestUtil.LOG.info("url=" + url); |
| return url; |
| } |
| |
| public static Map<?, ?> connectAndGetJson(final HttpURLConnection conn, |
| final int expectedResponseCode) throws IOException { |
| conn.connect(); |
| Assert.assertEquals(expectedResponseCode, conn.getResponseCode()); |
| return WebHdfsFileSystem.jsonParse(conn.getInputStream()); |
| } |
| |
| public static HttpURLConnection twoStepWrite(HttpURLConnection conn, |
| final HttpOpParam.Op op) throws IOException { |
| conn.setRequestMethod(op.getType().toString()); |
| conn = WebHdfsFileSystem.twoStepWrite(conn, op); |
| conn.setDoOutput(true); |
| conn.connect(); |
| return conn; |
| } |
| |
| public static FSDataOutputStream write(final WebHdfsFileSystem webhdfs, |
| final HttpOpParam.Op op, final HttpURLConnection conn, |
| final int bufferSize) throws IOException { |
| return webhdfs.write(op, conn, bufferSize); |
| } |
| } |