org.kyupi.apps.App.java Source code

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Here is the source code for org.kyupi.apps.App.java

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/*
 * Copyright 2013 The KyuPI project contributors. See the COPYRIGHT.md file
 * at the top-level directory of this distribution.
 * This file is part of the KyuPI project. It is subject to the license terms
 * in the LICENSE.md file found in the top-level directory of this distribution.
 * No part of the KyuPI project, including this file, may be copied, modified,
 * propagated, or distributed except according to the terms contained in the
 * LICENSE.md file.
 */
package org.kyupi.apps;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Date;
import java.util.concurrent.Callable;

import junit.framework.TestCase;

import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.CommandLineParser;
import org.apache.commons.cli.GnuParser;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;
import org.apache.log4j.Logger;
import org.kyupi.graph.Graph;
import org.kyupi.graph.GraphTools;
import org.kyupi.graph.Library;
import org.kyupi.graph.LibraryNangate;
import org.kyupi.graph.LibrarySAED;
import org.kyupi.misc.RuntimeTools;

/**
 * handles common command line options and provides utilities to build main
 * applications.
 * 
 * To build a new application, subclass App and add a main function:
 * 
 * <pre>
 * public class MyApp extends App {
 *    public static void main(String[] args) throws Exception {
 *       new MyApp().setArgs(args).call();
 *    }
 * 
 *    public Void call() throws Exception {
 *       printWelcome();
 *       // TODO: Your code goes here
 *       printGoodbye();
 *       return null;
 *    }
 * }
 * </pre>
 * 
 * At the same time, any App extends TestCase and public test*() methods can be
 * added that will be run by JUnit.
 */
public abstract class App extends TestCase implements Callable<Void> {

    protected static Logger log = Logger.getLogger(App.class);

    protected Options options = new Options();

    private String[] args;

    private CommandLine argsParsed;

    private Library lib;

    protected static String OPT_DESIGN = "d";
    protected static String OPT_TESTS = "t";
    protected static String OPT_LIB = "l";
    protected static String OPT_INPUT = "i";
    protected static String OPT_OUTPUT = "o";
    protected static String OPT_FORCE = "f";

    public App() {
        options.addOption(OPT_DESIGN, true, "design file to load (d.v, d.vhdl, d.bench, d.isc, d.*.gz, d.*.bz2)");
        options.addOption(OPT_TESTS, true, "test data to read (t.stil, t.*.gz, t.*.bz2)");
        options.addOption(OPT_FORCE, false, "force overwriting any existing files");
        options.addOption(OPT_INPUT, true, "comma-seperated list of generic input files");
        options.addOption(OPT_OUTPUT, true, "comma-seperated list of generic output files");
        options.addOption(OPT_LIB, true, "technology library (*Basic, Saed90, Nangate)");
    }

    public App setArgs(String... args) {
        this.args = args;
        CommandLineParser parser = new GnuParser();
        try {
            argsParsed = parser.parse(options, args);
        } catch (ParseException e) {
            printOptionHelp();
            throw new IllegalArgumentException(e);
        }
        return this;
    }

    protected String[] args() {
        ensureArgsParsed();
        return args;
    }

    protected CommandLine argsParsed() {
        ensureArgsParsed();
        return argsParsed;
    }

    protected Graph loadCircuitFromArgs() throws IOException {
        ensureArgsParsed();
        if (argsParsed.hasOption(OPT_DESIGN)) {
            String c_spec = argsParsed.getOptionValue(OPT_DESIGN);
            File f = new File(c_spec).getAbsoluteFile();
            log.debug("LoadingCircuit " + f.getAbsolutePath());
            ensureLib();
            return GraphTools.loadGraph(f, lib);
        } else
            throw new IllegalArgumentException("Please specify a circuit with -" + OPT_DESIGN + " ...");
    }

    protected ArrayList<File> outputFilesFromArgs() {
        ensureArgsParsed();
        ArrayList<File> files = new ArrayList<File>();
        if (argsParsed.hasOption(OPT_OUTPUT)) {
            String file_names[] = argsParsed.getOptionValue(OPT_OUTPUT).split(",");
            for (String n : file_names) {
                files.add(new File(n));
            }
        }
        return files;
    }

    protected void printWelcome() {
        log.info("App " + this.getClass().getCanonicalName());
        RuntimeTools.printRuntimeInfo();
    }

    protected void printGoodbye() {
        log.info("EndTime " + new Date(System.currentTimeMillis()));
    }

    protected void printOptionHelp() {
        for (Object oo : options.getOptions()) {
            Option op = (Option) oo;
            log.info("  -" + op.getOpt() + "\t" + op.getDescription());
        }
    }

    protected void setLib(Library l) {
        lib = l;
    }

    private void ensureLib() {
        ensureArgsParsed();
        if (argsParsed.hasOption(OPT_LIB)) {
            String val = argsParsed.getOptionValue(OPT_LIB).toUpperCase();
            if (val.startsWith("N"))
                lib = new LibraryNangate();
            else if (val.startsWith("S"))
                lib = new LibrarySAED();
            else
                lib = new Library();
        } else {
            if (lib == null)
                lib = new Library();
        }
    }

    private void ensureArgsParsed() {
        if (argsParsed == null)
            setArgs();
    }

    public void testNothing() {
    }

}