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

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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 ShowServerFunction extends SqoopFunction {
    @SuppressWarnings("static-access")
    public ShowServerFunction() {
        this.addOption(OptionBuilder.withDescription(resourceString(Constants.RES_SHOW_PROMPT_DISPLAY_ALL_SERVERS))
                .withLongOpt(Constants.OPT_ALL).create(Constants.OPT_ALL_CHAR));
        this.addOption(OptionBuilder.withDescription(resourceString(Constants.RES_SHOW_PROMPT_DISPLAY_SERVER_HOST))
                .withLongOpt(Constants.OPT_HOST).create(Constants.OPT_HOST_CHAR));
        this.addOption(OptionBuilder.withDescription(resourceString(Constants.RES_SHOW_PROMPT_DISPLAY_SERVER_PORT))
                .withLongOpt(Constants.OPT_PORT).create(Constants.OPT_PORT_CHAR));
        this.addOption(
                OptionBuilder.withDescription(resourceString(Constants.RES_SHOW_PROMPT_DISPLAY_SERVER_WEBAPP))
                        .withLongOpt(Constants.OPT_WEBAPP).create(Constants.OPT_WEBAPP_CHAR));
    }

    @Override
    public boolean validateArgs(CommandLine line) {
        if (line.getArgs().length == 1) {
            printlnResource(Constants.RES_SHOW_SERVER_USAGE);
            return false;
        }
        return true;
    }

    @Override
    public Object executeFunction(CommandLine line, boolean isInteractive) {
        if (line.hasOption(Constants.OPT_ALL)) {
            showServer(true, true, true, true);

        } else {
            boolean host = false, port = false, webapp = false, version = false;
            if (line.hasOption(Constants.OPT_HOST)) {
                host = true;
            }
            if (line.hasOption(Constants.OPT_PORT)) {
                port = true;
            }
            if (line.hasOption(Constants.OPT_WEBAPP)) {
                webapp = true;
            }

            showServer(host, port, webapp, version);
        }

        return Status.OK;
    }

    private void showServer(boolean host, boolean port, boolean webapp, boolean version) {
        if (host) {
            printlnResource(Constants.RES_SHOW_PROMPT_SERVER_HOST, getServerHost());
        }

        if (port) {
            printlnResource(Constants.RES_SHOW_PROMPT_SERVER_PORT, getServerPort());
        }

        if (webapp) {
            printlnResource(Constants.RES_SHOW_PROMPT_SERVER_WEBAPP, getServerWebapp());
        }
    }
}