/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the Common Development and
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* Distribution License (the License). You may not use this file except in compliance with the
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* License.
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*
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* You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
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* specific language governing permission and limitations under the License.
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*
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* When distributing Covered Software, include this CDDL Header Notice in each file and include
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* the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
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* Header, with the fields enclosed by brackets [] replaced by your own identifying
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* information: "Portions Copyright [year] [name of copyright owner]".
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*
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* CDDL HEADER END
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*
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* Copyright 2013 ForgeRock AS.
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* Portions Copyright 2013 IS4U.
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*/
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package org.forgerock.opendj.virtual;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.sql.SQLException;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.Map;
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import java.util.Properties;
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import java.util.Set;
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/**
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* The JDBC configuration manager for the JDBCMapper which can save mapping to and read mapping from the
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* MappingConfig.properties file.
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*/
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public class MappingConfigurationManager
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{
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private JDBCMapper jdbcMapper;
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private Properties prop;
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/**
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* Creates a new JDBC mapping configuration manager.
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*
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* @param jdbcmapper
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* The JDBCMapper object to configure mapping for.
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*/
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public MappingConfigurationManager(JDBCMapper jdbcmapper)
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{
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this.prop = new Properties();
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this.jdbcMapper = jdbcmapper;
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}
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/**
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* Saves the provided mapping to the MappingConfig.properties file.
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*
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* @param mapping
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* The mapping to save to the MappingConfig.properties file.
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* @throws IOException
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* If an I/O exception error occurs.
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*/
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public void saveMapping(Map<String, String> mapping)
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{
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String mappingKey, mappingValue;
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final Set<String> mapperKeySet = mapping.keySet();
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try
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{
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for(Iterator<String> i = mapperKeySet.iterator(); i.hasNext(); ){
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mappingKey = i.next();
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mappingValue = mapping.get(mappingKey);
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prop.setProperty(mappingKey, mappingValue);
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}
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prop.store(new FileOutputStream("MappingConfig.properties"), null);
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}catch (IOException ex) {
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ex.printStackTrace();
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}
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}
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/**
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* Load the mapping from the MappingConfig.properties file.
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*
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* @throws SQLException
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* If the SQL query has an invalid format.
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* @throws IOException
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* If an I/O exception error occurs.
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*/
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public Map<String, String> loadMapping() throws SQLException
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{
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try {
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prop.load(new FileInputStream("MappingConfig.properties"));
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final ArrayList<String> tableNames = jdbcMapper.getTables();
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final Map<String, String> mapper = new HashMap<String, String>();
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for(int i = 0; i < tableNames.size(); i++){
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String columnName, mappingKey, mappingValue, tableName = tableNames.get(i);
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final ArrayList<String> columnNames = jdbcMapper.getTableColumns(tableName);
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for(Iterator<String> j = columnNames.iterator(); j.hasNext(); ) {
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columnName = j.next();
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mappingKey = tableName + ":" + columnName;
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mappingValue = prop.getProperty(tableName + ":" + columnName);
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if(mappingValue != null)mapper.put(mappingKey, mappingValue);
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}
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}
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return mapper;
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} catch (IOException ex) {
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ex.printStackTrace();
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return null;
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}
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}
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}
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