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/* |
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* Copyright 2014, Armenak Grigoryan, and individual contributors as indicated |
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* by the @authors tag. See the copyright.txt in the distribution for a |
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* full listing of individual contributors. |
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* |
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* This is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU Lesser General Public License as |
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* published by the Free Software Foundation; either version 2.1 of |
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* the License, or (at your option) any later version. |
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* |
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* This software is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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*/ |
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package com.strider.datadefender; |
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import com.strider.datadefender.extractor.IExtractor; |
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import com.strider.datadefender.extractor.DataExtractor; |
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import com.strider.datadefender.database.IDbFactory; |
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import java.util.concurrent.Callable; |
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import java.util.List; |
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import org.apache.commons.lang3.StringUtils; |
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import picocli.CommandLine.ArgGroup; |
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import picocli.CommandLine.Command; |
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import picocli.CommandLine.Model.CommandSpec; |
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import picocli.CommandLine.ParameterException; |
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import picocli.CommandLine.Parameters; |
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import picocli.CommandLine.Spec; |
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import lombok.extern.log4j.Log4j2; |
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/** |
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* "extract" picocli subcommand, configures and executes the data extractor. |
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* |
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* @author Zaahid Bateson |
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*/ |
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@Command( |
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name = "extract", |
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version = "1.0", |
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mixinStandardHelpOptions = true, |
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description = "Run data extraction utility -- generates files out of table " |
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+ "columns with the name 'table_columnName.txt' for each column " |
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+ "requested." |
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) |
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@Log4j2 |
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public class Extract implements Callable<Integer> { |
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@ArgGroup(exclusive = false, multiplicity = "1", heading = "Database connection settings%n") |
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private DbConfig dbConfig; |
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@Spec |
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private CommandSpec spec; |
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private List<String> tableColumns; |
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@Parameters(paramLabel = "columns", description = "Generate data for the specified table.columName(s)") |
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public void setTableColumns(List<String> tableColumns) { |
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for (String tableColumn : tableColumns) { |
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int loc = tableColumn.indexOf("."); |
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if (loc < 1 || loc >= tableColumn.length() - 1) { |
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throw new ParameterException( |
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spec.commandLine(), |
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String.format( |
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"Columns must be specified in the form [table].[columnName], found: %s", |
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tableColumn |
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) |
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); |
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} |
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} |
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this.tableColumns = tableColumns; |
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} |
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@Override |
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public Integer call() throws Exception { |
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System.out.println(""); |
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System.out.println("Starting data extractor"); |
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log.info("Datasource URL: {}, vendor: {}, schema: {}", dbConfig.getUrl(), dbConfig.getVendor(), dbConfig.getSchema()); |
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log.info("Username: {}, Password provided: {}", dbConfig.getUsername(), (StringUtils.isNotBlank(dbConfig.getPassword()) ? "yes" : "no")); |
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log.info("Extracting data from: {}", tableColumns); |
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IDbFactory factory = IDbFactory.get(dbConfig); |
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final IExtractor extractor = new DataExtractor( |
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factory, |
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dbConfig, |
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tableColumns |
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); |
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try { |
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extractor.extract(); |
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} catch (DataDefenderException e) { |
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log.error(e.getMessage()); |
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log.debug("Exception occurred during data extraction", e); |
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return 1; |
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} catch (Throwable e) { |
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log.error(e.getMessage(), e); |
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return 1; |
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} |
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return 0; |
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} |
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} |
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armenak /
DataDefender
