org.apache.accumulo.shell.commands.ExecfileCommand.java Source code

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Here is the source code for org.apache.accumulo.shell.commands.ExecfileCommand.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.accumulo.shell.commands;

import static java.nio.charset.StandardCharsets.UTF_8;

import java.io.File;
import java.util.Scanner;

import org.apache.accumulo.shell.Shell;
import org.apache.accumulo.shell.Shell.Command;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.Options;

public class ExecfileCommand extends Command {
    private Option verboseOption;

    @Override
    public String description() {
        return "specifies a file containing accumulo commands to execute";
    }

    @Override
    public int execute(final String fullCommand, final CommandLine cl, final Shell shellState) throws Exception {
        Scanner scanner = new Scanner(new File(cl.getArgs()[0]), UTF_8.name());
        try {
            while (scanner.hasNextLine()) {
                shellState.execCommand(scanner.nextLine(), true, cl.hasOption(verboseOption.getOpt()));
            }
        } finally {
            scanner.close();
        }
        return 0;
    }

    @Override
    public String usage() {
        return getName() + " <fileName>";
    }

    @Override
    public int numArgs() {
        return 1;
    }

    @Override
    public Options getOptions() {
        final Options opts = new Options();
        verboseOption = new Option("v", "verbose", false, "display command prompt as commands are executed");
        opts.addOption(verboseOption);
        return opts;
    }
}