org.pz.platypus.commandline.ClProcessor.java Source code

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Here is the source code for org.pz.platypus.commandline.ClProcessor.java

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/**
 *  Platypus: Page Layout and Typesetting Software (free at platypus.pz.org)
 *
 *  Platypus is (c) Copyright 2009-12 Pacific Data Works LLC. All Rights Reserved.
 *  Licensed under Apache License 2.0 (http://www.apache.org/licenses/LICENSE-2.0.html)
 */

package org.pz.platypus.commandline;

import org.apache.commons.cli.*;
import org.pz.platypus.*;
import org.pz.platypus.utilities.*;

/**
 * Process the command-line options.
 * @author alb; based in part on work by Atul S. Khot (ask)
 */
public class ClProcessor {
    private GDD gdd;
    private ClParser clp;
    private String[] args;
    private String outputFormat = ""; // note empty string

    public ClProcessor(final ClParser clParser, final String[] Args, final GDD Gdd) {
        gdd = Gdd;
        clp = clParser;
        args = Args;
    }

    public String process() {
        String outputLocation = null;

        CommandLine cl = clp.getLine();
        processBooleanOptions(cl);

        if (outputFormat != null) {
            FormatSelection fs = new FormatSelection(clp, gdd);
            fs.determine();

            String format = gdd.sysStrings.get("_FORMAT");
            outputLocation = verifyOutputPlugin(format);

            updateFilenamesInSystemStrings(cl, gdd.sysStrings);
            addCommandLineToSystemStrings(args, gdd.sysStrings);
            gdd.diag("Command line: " + gdd.sysStrings.get("_COMMAND_LINE"));
        }
        return (outputLocation);
    }

    public void processVerbosityOptions() {
        if (clp.getLine().hasOption("-vverbose"))
            gdd.setClVVerbose(true);

        if (clp.getLine().hasOption("-verbose"))
            gdd.setClVerbose(true);
    }

    public void processBooleanOptions(final CommandLine cl) {
        if (args.length == 0)
            gdd.log.severe(gdd.getLit("PLEASE_RERUN_WITH_FILENAMES")); // falls through to next test.

        processVerbosityOptions();

        if (cl.hasOption("-help") || cl.getOptions().length == 0) {
            MessagesToUser.showUsage(gdd.lits, clp);
            outputFormat = null; // indicates no further output to be done.
        }

        if (cl.hasOption("-fontlist")) {
            outputFormat = "fontlist";
        }
    }

    private String verifyOutputPlugin(String format) {
        PluginLocator locator = new PluginLocator(gdd);
        return (locator.locate(format));
    }

    private void updateFilenamesInSystemStrings(final CommandLine cl, final SystemStrings sys) {
        sys.add("_INPUT_FILE", cl.getOptionValue("infile"));
        if (sys.get("_OUTPUT_FILE") == null) // true except if fs.determine() computed output filename
            sys.add("_OUTPUT_FILE", cl.getOptionValue("outfile"));
    }

    private void addCommandLineToSystemStrings(final String[] args, final SystemStrings sys) {
        StringBuilder commandLine = new StringBuilder(60);
        for (String arg : args)
            commandLine.append(arg + " ");
        sys.add("_COMMAND_LINE", commandLine.toString().trim());
    }
}