org.apache.bigtop.itest.hadoop.hdfs.FSCmdExecutor.java Source code

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Here is the source code for org.apache.bigtop.itest.hadoop.hdfs.FSCmdExecutor.java

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/*
 * 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.bigtop.itest.hadoop.hdfs;

import java.io.File;
import java.util.StringTokenizer;

import org.apache.hadoop.fs.FsShell;
import org.apache.hadoop.cli.CLITestHelper;
import org.apache.hadoop.cli.util.CommandExecutor;
import org.apache.hadoop.util.ToolRunner;

public class FSCmdExecutor extends CommandExecutor {
    protected String namenode = null;
    protected FsShell shell = null;

    public FSCmdExecutor(String namenode, FsShell shell) {
        this.namenode = namenode;
        this.shell = shell;
    }

    protected void execute(final String cmd) throws Exception {
        String[] args = getCommandAsArgs(cmd, "NAMENODE", this.namenode);
        ToolRunner.run(shell, args);
    }

    @Override
    protected String[] getCommandAsArgs(final String cmd, final String masterKey, final String master) {
        StringTokenizer tokenizer = new StringTokenizer(cmd, " ");
        String[] args = new String[tokenizer.countTokens()];
        int i = 0;
        while (tokenizer.hasMoreTokens()) {
            args[i] = tokenizer.nextToken();
            args[i] = args[i].replaceAll(masterKey, master);
            args[i] = args[i].replaceAll("CLITEST_DATA",
                    new File(CLITestHelper.TEST_CACHE_DATA_DIR).toURI().toString().replace(' ', '+'));
            args[i] = args[i].replaceAll("TEST_DIR_ABSOLUTE", TestCLI.TEST_DIR_ABSOLUTE);
            args[i] = args[i].replaceAll("USERNAME", System.getProperty("user.name"));

            i++;
        }
        return args;
    }
}