org.jwat.tools.tasks.pathindex.PathIndexTaskCLIParser Maven / Gradle / Ivy

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JWAT-Tools uses the available JWAT libraries to make high level tasks available either from command-line or programmatically. Common tasks include: Test, Compress, Decompress, CDX, Arc2Warc. More specialised tasks include: Changed, ContainerMD, Delete, Extract, Interval, PathIndex, Unpack, Headers2CDX.

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package org.jwat.tools.tasks.pathindex;

import java.io.File;

import org.jwat.tools.JWATTools;

import com.antiaction.common.cli.Argument;
import com.antiaction.common.cli.ArgumentParserException;
import com.antiaction.common.cli.ArgumentParser;
import com.antiaction.common.cli.CommandLine;
import com.antiaction.common.cli.Options;

public class PathIndexTaskCLIParser {

	public static final int A_OUTPUT = 101;

	protected PathIndexTaskCLIParser() {
	}

	public static PathIndexOptions parseArguments(CommandLine cmdLine) {
		Options cliOptions = new Options();
		try {
			cliOptions.addOption("-o", null, A_OUTPUT, 0, null).setValueRequired();
			cliOptions.addNamedArgument("files", JWATTools.A_FILES, 1, Integer.MAX_VALUE);
			cmdLine = ArgumentParser.parse(cmdLine.argsArray, cliOptions, cmdLine);
		}
		catch (ArgumentParserException e) {
			System.out.println( PathIndexTaskCLIParser.class.getName() + ": " + e.getMessage() );
			System.exit( 1 );
		}

		PathIndexOptions options = new PathIndexOptions();
		Argument argument;

		// Output file.
		argument = cmdLine.idMap.get( A_OUTPUT );
		if ( argument != null && argument.value != null ) {
			options.outputFile = new File(argument.value);
			if (options.outputFile.isDirectory()) {
				System.out.println("Can not output to a directory!");
				System.exit(1);
			} else if (options.outputFile.getParentFile() != null && !options.outputFile.getParentFile().exists()) {
				if (!options.outputFile.getParentFile().mkdirs()) {
					System.out.println("Could not create parent directories!");
					System.exit(1);
				}
			}
		}

		// Files.
		argument = cmdLine.idMap.get( JWATTools.A_FILES );
		options.filesList = argument.values;

		return options;
	}

}