/*
* 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.empire.db.codegen;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.empire.commons.ErrorObject;
import org.apache.empire.db.DBDatabase;
/**
* Console code generator application, takes the config file as first argument.
*
*/
public class CodeGenApp {
private static final Log log = LogFactory.getLog(CodeGenApp.class);
private static final String DEFAULT_CONFIG_FILE = "config.xml";
/**
* This is the entry point of the Code generator Sample Application.
* Please check the config.xml configuration file for Database and Connection settings.
*
* @param args
* arguments
*/
public static void main(String[] args) {
ErrorObject.setExceptionsEnabled(true);
// Start code generator
CodeGenApp app = new CodeGenApp();
app.start((args.length > 0 ? args[0] : DEFAULT_CONFIG_FILE));
}
/**
* Starts the actual generation according to the provided config file
*/
private void start(final String file){
// load configuration file
CodeGenConfig config = loadConfig(file);
// log all options
listOptions(config);
// read the database model
CodeGenParser parser = new CodeGenParser(config);
DBDatabase db = parser.loadDbModel();
// create the source-code for that database
CodeGenWriter codeGen = new CodeGenWriter(config);
codeGen.generateCodeFiles(db);
log.info("Code generation completed successfully!");
}
/**
* Loads the configuration file and
* @param configFile
* @return
*/
private CodeGenConfig loadConfig(String configFile){
// Init Configuration
CodeGenConfig config = new CodeGenConfig();
config.init(configFile);
// Enable Exceptions
ErrorObject.setExceptionsEnabled(true);
if (config.getTableClassPrefix() == null)
config.setTableClassPrefix("");
if (config.getTableClassSuffix() == null)
config.setTableClassSuffix("");
return config;
}
private void listOptions(CodeGenConfig config){
// List options
log.info("Database connection successful. Config options are:");
log.info("SchemaName=" + String.valueOf(config.getDbSchema()));
log.info("TimestampColumn=" + String.valueOf(config.getTimestampColumn()));
log.info("TargetFolder=" + config.getTargetFolder());
log.info("PackageName=" + config.getPackageName());
log.info("DbClassName=" + config.getDbClassName());
log.info("TableBaseName=" + config.getTableBaseName());
log.info("ViewBaseName=" + config.getViewBaseName());
log.info("RecordBaseName=" + config.getRecordBaseName());
log.info("TableClassPrefix=" + config.getTableClassPrefix());
log.info("ViewClassPrefi=" + config.getViewClassPrefix());
log.info("NestTable=" + config.isNestTables());
log.info("NestViews=" + config.isNestViews());
log.info("CreateRecordProperties=" + config.isCreateRecordProperties());
}
}