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

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Here is the source code for org.apache.sqoop.shell.ShowConnectorFunction.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 java.util.Collection;
import java.util.LinkedList;
import java.util.List;

import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.OptionBuilder;
import org.apache.sqoop.model.MConnector;
import org.apache.sqoop.shell.core.Constants;
import org.apache.sqoop.shell.utils.TableDisplayer;
import org.apache.sqoop.validation.Status;

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

@SuppressWarnings("serial")
public class ShowConnectorFunction extends SqoopFunction {

    @SuppressWarnings("static-access")
    public ShowConnectorFunction() {
        this.addOption(
                OptionBuilder.withDescription(resourceString(Constants.RES_SHOW_PROMPT_DISPLAY_ALL_CONNECTORS))
                        .withLongOpt(Constants.OPT_ALL).create(Constants.OPT_ALL_CHAR));
        this.addOption(OptionBuilder.hasArg().withArgName("cid")
                .withDescription(resourceString(Constants.RES_SHOW_PROMPT_DISPLAY_CONNECTOR_CID))
                .withLongOpt(Constants.OPT_CID).create(Constants.OPT_CID_CHAR));
    }

    @Override
    public Object executeFunction(CommandLine line, boolean isInteractive) {
        if (line.hasOption(Constants.OPT_ALL)) {
            showConnectors();
        } else if (line.hasOption(Constants.OPT_CID)) {
            showConnector(getLong(line, Constants.OPT_CID));
        } else {
            showSummary();
        }

        return Status.OK;
    }

    private void showSummary() {
        Collection<MConnector> connectors = client.getConnectors();

        List<String> header = new LinkedList<String>();
        header.add(resourceString(Constants.RES_TABLE_HEADER_ID));
        header.add(resourceString(Constants.RES_TABLE_HEADER_NAME));
        header.add(resourceString(Constants.RES_TABLE_HEADER_VERSION));
        header.add(resourceString(Constants.RES_TABLE_HEADER_CLASS));
        header.add(resourceString(Constants.RES_TABLE_HEADER_SUPPORTED_DIRECTIONS));

        List<String> ids = new LinkedList<String>();
        List<String> uniqueNames = new LinkedList<String>();
        List<String> versions = new LinkedList<String>();
        List<String> classes = new LinkedList<String>();
        List<String> supportedDirections = new LinkedList<String>();

        for (MConnector connector : connectors) {
            ids.add(String.valueOf(connector.getPersistenceId()));
            uniqueNames.add(connector.getUniqueName());
            versions.add(connector.getVersion());
            classes.add(connector.getClassName());
            supportedDirections.add(connector.getSupportedDirections().toString());
        }

        TableDisplayer.display(header, ids, uniqueNames, versions, classes, supportedDirections);
    }

    private void showConnectors() {
        Collection<MConnector> connectors = client.getConnectors();

        printlnResource(Constants.RES_SHOW_PROMPT_CONNECTORS_TO_SHOW, connectors.size());

        for (MConnector connector : connectors) {
            displayConnector(connector);
        }
    }

    private void showConnector(Long cid) {
        MConnector connector = client.getConnector(cid);

        printlnResource(Constants.RES_SHOW_PROMPT_CONNECTORS_TO_SHOW, 1);

        displayConnector(connector);
    }

    private void displayConnector(MConnector connector) {
        printlnResource(Constants.RES_SHOW_PROMPT_CONNECTOR_INFO, connector.getPersistenceId(),
                connector.getUniqueName(), connector.getClassName(), connector.getVersion(),
                connector.getSupportedDirections().toString());
        displayConnectorConfigDetails(connector, client.getConnectorConfigBundle(connector.getPersistenceId()));
    }
}