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

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Here is the source code for org.apache.sqoop.shell.ShowLinkFunction.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.model.MLink;
import org.apache.sqoop.shell.core.Constants;
import org.apache.sqoop.shell.utils.TableDisplayer;
import org.apache.sqoop.validation.Status;

import java.text.DateFormat;
import java.util.LinkedList;
import java.util.List;

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

/**
 *
 */
@SuppressWarnings("serial")
public class ShowLinkFunction extends SqoopFunction {
    @SuppressWarnings("static-access")
    public ShowLinkFunction() {
        this.addOption(OptionBuilder.withDescription(resourceString(Constants.RES_SHOW_PROMPT_DISPLAY_ALL_LINKS))
                .withLongOpt(Constants.OPT_ALL).create(Constants.OPT_ALL_CHAR));
        this.addOption(OptionBuilder.hasArg().withArgName(Constants.OPT_FROM)
                .withDescription(resourceString(Constants.RES_SHOW_PROMPT_DISPLAY_LINK_LID))
                .withLongOpt(Constants.OPT_FROM).create(Constants.OPT_LID_CHAR));
    }

    @Override
    public Object executeFunction(CommandLine line, boolean isInteractive) {
        if (line.hasOption(Constants.OPT_ALL)) {
            showLinks();
        } else if (line.hasOption(Constants.OPT_FROM)) {
            showLink(getLong(line, Constants.OPT_FROM));
        } else {
            showSummary();
        }

        return Status.OK;
    }

    private void showSummary() {
        List<MLink> links = client.getLinks();

        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_CONNECTOR));
        header.add(resourceString(Constants.RES_TABLE_HEADER_ENABLED));

        List<String> ids = new LinkedList<String>();
        List<String> names = new LinkedList<String>();
        List<String> connectors = new LinkedList<String>();
        List<String> availabilities = new LinkedList<String>();

        for (MLink link : links) {
            ids.add(String.valueOf(link.getPersistenceId()));
            names.add(link.getName());
            connectors.add(String.valueOf(link.getConnectorId()));
            availabilities.add(String.valueOf(link.getEnabled()));
        }

        TableDisplayer.display(header, ids, names, connectors, availabilities);
    }

    private void showLinks() {
        List<MLink> links = client.getLinks();

        printlnResource(Constants.RES_SHOW_PROMPT_LINKS_TO_SHOW, links.size());

        for (MLink link : links) {
            displayLink(link);
        }
    }

    private void showLink(Long xid) {
        MLink link = client.getLink(xid);

        printlnResource(Constants.RES_SHOW_PROMPT_LINKS_TO_SHOW, 1);

        displayLink(link);
    }

    private void displayLink(MLink link) {
        DateFormat formatter = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT);

        printlnResource(Constants.RES_SHOW_PROMPT_LINK_INFO, link.getPersistenceId(), link.getName(),
                link.getEnabled(), link.getCreationUser(), formatter.format(link.getCreationDate()),
                link.getLastUpdateUser(), formatter.format(link.getLastUpdateDate()));

        long connectorId = link.getConnectorId();
        printlnResource(Constants.RES_SHOW_PROMPT_LINK_CID_INFO, connectorId);

        // Display link config
        displayConfig(link.getConnectorLinkConfig().getConfigs(), client.getConnectorConfigBundle(connectorId));
    }
}