org.apache.sqoop.shell.SetOptionFunction.java Source code

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Here is the source code for org.apache.sqoop.shell.SetOptionFunction.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.sqoop.shell;

import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.OptionBuilder;
import org.apache.sqoop.shell.core.Constants;
import org.apache.sqoop.validation.Status;

import static org.apache.sqoop.shell.ShellEnvironment.*;

/**
 *
 */
@SuppressWarnings("serial")
public class SetOptionFunction extends SqoopFunction {
    @SuppressWarnings("static-access")
    public SetOptionFunction() {
        this.addOption(OptionBuilder.hasArg().withDescription(resourceString(Constants.RES_SET_PROMPT_OPT_NAME))
                .withLongOpt(Constants.OPT_NAME).isRequired().create(Constants.OPT_NAME_CHAR));
        this.addOption(OptionBuilder.hasArg().withDescription(resourceString(Constants.RES_SET_PROMPT_OPT_VALUE))
                .withLongOpt(Constants.OPT_VALUE).isRequired().create(Constants.OPT_VALUE_CHAR));
    }

    @Override
    public Object executeFunction(CommandLine line, boolean isInteractive) {
        if (!line.hasOption(Constants.OPT_NAME)) {
            printlnResource(Constants.RES_ARGS_NAME_MISSING);
            return null;
        }
        if (!line.hasOption(Constants.OPT_VALUE)) {
            printlnResource(Constants.RES_ARGS_VALUE_MISSING);
            return null;
        }

        return handleOptionSetting(line.getOptionValue(Constants.OPT_NAME),
                line.getOptionValue(Constants.OPT_VALUE));
    }

    private Status handleOptionSetting(String name, String value) {
        if (name.equals(Constants.OPT_VERBOSE)) {
            boolean newValue = false;

            if (value.equals("1") || value.equals("true")) {
                newValue = true;
            }

            setVerbose(newValue);
            printlnResource(Constants.RES_SET_VERBOSE_CHANGED, newValue);
            return Status.OK;
        }

        if (name.equals(Constants.OPT_POLL_TIMEOUT)) {
            long newValue = 0;

            try {
                newValue = Long.parseLong(value);
            } catch (NumberFormatException ex) {
                // make the value stay the same
                newValue = getPollTimeout();
            }

            setPollTimeout(newValue);
            printlnResource(Constants.RES_SET_POLL_TIMEOUT_CHANGED, newValue);
            return Status.OK;
        }

        printlnResource(Constants.RES_SET_UNKNOWN_OPT_IGNORED, name);
        return null;
    }
}