SnapshotsAnalyzerMain.java

/*******************************************************************************
 * Copyright (c) 2012 OpenLegacy Inc.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     OpenLegacy Inc. - initial API and implementation
 *******************************************************************************/
package org.openlegacy.designtime.mains;

import org.openlegacy.designtime.terminal.analyzer.TerminalSnapshotsAnalyzer;
import org.openlegacy.designtime.terminal.generators.ScreenEntityJavaGenerator;
import org.openlegacy.terminal.TerminalSnapshot;
import org.openlegacy.terminal.TerminalSnapshotsLoader;
import org.openlegacy.terminal.definitions.ScreenEntityDefinition;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import java.io.File;
import java.io.FileOutputStream;
import java.util.Collection;
import java.util.List;

public class SnapshotsAnalyzerMain {

	public static void main(String[] args) {
		if (args.length < 3) {
			System.out.println("Usage:\njava org.openlegacy.designtime.mains.SnapshotsAnalyzerMain screens-resource-folder output-folder package [spring-context]");
			return;
		}
		String inputFolderName = args[0];
		String outputFolderName = args[1];
		String packageFolder = args[2].replaceAll(".", "/");
		String springContext = args.length >= 4 ? args[3] : "classpath:/openlegacy-default-designtime-context.xml";

		File outputFolder = new File(outputFolderName, packageFolder);

		ApplicationContext applicationContext = new ClassPathXmlApplicationContext(springContext);

		TerminalSnapshotsLoader snapshotsLoader = applicationContext.getBean(TerminalSnapshotsLoader.class);
		try {
			List<TerminalSnapshot> snapshots = snapshotsLoader.loadSnapshots(inputFolderName);
			TerminalSnapshotsAnalyzer snapshotsAnalyzer = applicationContext.getBean(TerminalSnapshotsAnalyzer.class);
			Collection<ScreenEntityDefinition> screenDefinitions = snapshotsAnalyzer.analyzeSnapshots(snapshots).values();
			for (ScreenEntityDefinition screenEntityDefinition : screenDefinitions) {
				File outputFile = new File(outputFolder, screenEntityDefinition.getEntityName() + ".java");
				FileOutputStream output = new FileOutputStream(outputFile);
				applicationContext.getBean(ScreenEntityJavaGenerator.class).generate(screenEntityDefinition, output);
				output.close();
			}

		} catch (Exception e) {
			e.printStackTrace();
			System.exit(1);
		}
	}
}