| /** |
| * 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.tool; |
| |
| import org.apache.commons.cli.CommandLine; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| |
| import com.cloudera.sqoop.SqoopOptions; |
| import com.cloudera.sqoop.SqoopOptions.InvalidOptionsException; |
| import com.cloudera.sqoop.cli.ToolOptions; |
| |
| /** |
| * Tool that lists available tables in a database. |
| */ |
| public class ListTablesTool extends com.cloudera.sqoop.tool.BaseSqoopTool { |
| |
| public static final Log LOG = LogFactory.getLog( |
| ListTablesTool.class.getName()); |
| |
| public ListTablesTool() { |
| super("list-tables"); |
| } |
| |
| @Override |
| /** {@inheritDoc} */ |
| public int run(SqoopOptions options) { |
| if (!init(options)) { |
| return 1; |
| } |
| |
| try { |
| String [] tables = manager.listTables(); |
| if (null == tables) { |
| System.err.println("Could not retrieve tables list from server"); |
| LOG.error("manager.listTables() returned null"); |
| return 1; |
| } else { |
| for (String tbl : tables) { |
| System.out.println(tbl); |
| } |
| } |
| } finally { |
| destroy(options); |
| } |
| |
| return 0; |
| } |
| |
| @Override |
| /** Configure the command-line arguments we expect to receive */ |
| public void configureOptions(ToolOptions toolOptions) { |
| toolOptions.addUniqueOptions(getCommonOptions()); |
| } |
| |
| @Override |
| /** {@inheritDoc} */ |
| public void applyOptions(CommandLine in, SqoopOptions out) |
| throws InvalidOptionsException { |
| applyCommonOptions(in, out); |
| } |
| |
| @Override |
| /** {@inheritDoc} */ |
| public void validateOptions(SqoopOptions options) |
| throws InvalidOptionsException { |
| options.setExtraArgs(getSubcommandArgs(extraArguments)); |
| int dashPos = getDashPosition(extraArguments); |
| if (hasUnrecognizedArgs(extraArguments, 0, dashPos)) { |
| throw new InvalidOptionsException(HELP_STR); |
| } |
| |
| validateCommonOptions(options); |
| } |
| } |
| |