jsclassloader.cli.CommandLineRunner Maven / Gradle / Ivy

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package jsclassloader.cli;

import java.io.File;
import java.io.FileOutputStream;
import java.io.PrintStream;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;

import jsclassloader.Bundler;
import jsclassloader.Config;
import jsclassloader.dependency.ClassNode;


public class CommandLineRunner {

	static boolean usePropertiesFile;
	static String propFileName;
	static List seedClassesFromCmdLine;
	static String [] sourcePaths;
	private final static Logger LOG = Logger.getLogger("JS-Class-Loader");
	
	public static void main(String[] args) throws Exception {
		execute(args, System.out);
	}
	
	public static void execute(String [] args, PrintStream out) throws Exception {
		LOG.setLevel(Level.WARNING);
		
		ArgumentParser parser = new ArgumentParser();
		Config config = parser.parseArgs(args);
		
		Bundler bundler = new Bundler(config);
		
		if (parser.isListMode()) {
			for (ClassNode item : bundler.getClassList()) {
				out.println(item.getValue());
			}
		}
		else {
			String scriptTagFileConfig = config.getProperty(Config.PROP_SCRIPT_TAGS);
			if (scriptTagFileConfig != null) {
				File scriptTagFile = prepFile(scriptTagFileConfig);
				out = new PrintStream(new FileOutputStream(scriptTagFile));
				bundler.writeScriptTags(out, config);
				out.close();
			}
			
			String graphFileConfig = config.getProperty(Config.PROP_GRAPH_FILE);
			if (graphFileConfig != null) {
				File graphFile = prepFile(graphFileConfig);
				out = new PrintStream(new FileOutputStream(graphFile));
				out.print(bundler.getDependencyGraph().renderDotFile(bundler.getSeedClassNameList()));
				out.close();

				File moduleGraphFile = prepFile(graphFileConfig + ".modules");
				out = new PrintStream(new FileOutputStream(moduleGraphFile));
				out.print(bundler.getDependencyGraph().renderModuleDotFile());
				out.close();
			}
			
			String bundleFileConfig = config.getProperty(Config.PROP_BUNDLE_FILE);
			if (bundleFileConfig != null) {
				File bundleFile = prepFile(bundleFileConfig);
				out = new PrintStream(new FileOutputStream(bundleFile));
				bundler.write(out);
				out.close();	
			}
			else {
				bundler.write(System.out);
			}
		}		
	}
	
	public static File prepFile(String path) {
		File file = new File(path);
		if (file.getParentFile() != null && !file.getParentFile().exists()) {
			file.getParentFile().mkdirs();
		}
		return file;
	}
}