Package org.apache.sqoop.shell

Source Code of org.apache.sqoop.shell.CloneConnectionFunction

/**
* 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 jline.ConsoleReader;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.OptionBuilder;
import org.apache.sqoop.common.SqoopException;
import org.apache.sqoop.model.MConnection;
import org.apache.sqoop.model.MPersistableEntity;
import org.apache.sqoop.shell.core.ShellError;
import org.apache.sqoop.shell.core.Constants;
import org.apache.sqoop.validation.Status;

import java.io.IOException;
import java.util.ResourceBundle;

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

/**
*
*/
public class CloneConnectionFunction extends SqoopFunction {
  @SuppressWarnings("static-access")
  public CloneConnectionFunction() {
    this.addOption(OptionBuilder
      .withDescription(resourceString(Constants.RES_PROMPT_CONN_ID))
      .withLongOpt(Constants.OPT_XID)
      .hasArg()
      .create(Constants.OPT_XID_CHAR)
    );
  }

  public Object executeFunction(CommandLine line) {
    if (!line.hasOption(Constants.OPT_XID)) {
      printlnResource(Constants.RES_ARGS_XID_MISSING);
      return null;
    }

    try {
      cloneConnection(getLong(line, Constants.OPT_XID));
    } catch (IOException ex) {
      throw new SqoopException(ShellError.SHELL_0005, ex);
    }

    return null;
  }

  private void cloneConnection(Long connectionId) throws IOException {
    printlnResource(Constants.RES_CLONE_CLONING_CONN, connectionId);

    ConsoleReader reader = new ConsoleReader();

    MConnection connection = client.getConnection(connectionId);
    // Remove persistent id as we're making a clone
    connection.setPersistenceId(MPersistableEntity.PERSISTANCE_ID_DEFAULT);

    Status status = Status.FINE;
    printlnResource(Constants.RES_PROMPT_UPDATE_CONN_METADATA);

    ResourceBundle connectorBundle = client.getResourceBundle(connection.getConnectorId());
    ResourceBundle frameworkBundle = client.getFrameworkResourceBundle();
    do {
      // Print error introduction if needed
      if( !status.canProceed() ) {
        errorIntroduction();
      }

      // Fill in data from user
      if(!fillConnection(reader, connection, connectorBundle, frameworkBundle)) {
        return;
      }

      status = client.createConnection(connection);

    } while(!status.canProceed());

    printlnResource(Constants.RES_CLONE_CONN_SUCCESSFUL, status.name(), connection.getPersistenceId());
  }
}
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