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package org.unix4j.unix.grep;

import org.unix4j.unix.Grep;

/**
 * Factory for the {@link Grep grep} command returning 
 * a new command instance from every signature method.
 */
public final class GrepFactory implements Grep.Interface {
	
	/**
	 * The singleton instance of this factory.
	 */
	public static final GrepFactory INSTANCE = new GrepFactory();

	/**
	 * Private, only used to create singleton instance.
	 */
	private GrepFactory() {
		super();
	}

	@Override
	public GrepCommand grep(String... args) {
		final GrepArguments grepArgs = new GrepArguments(args);
		return new GrepCommand(grepArgs);
	}

	@Override
	public GrepCommand grep(String regexp) {
		final GrepArguments grepArgs = new GrepArguments();
		grepArgs.setRegexp(regexp);
		return new GrepCommand(grepArgs);
	}

	@Override
	public GrepCommand grep(String regexp, java.io.File... files) {
		final GrepArguments grepArgs = new GrepArguments();
		grepArgs.setRegexp(regexp);
		grepArgs.setFiles(files);
		return new GrepCommand(grepArgs);
	}

	@Override
	public GrepCommand grep(java.util.regex.Pattern pattern) {
		final GrepArguments grepArgs = new GrepArguments();
		grepArgs.setPattern(pattern);
		return new GrepCommand(grepArgs);
	}

	@Override
	public GrepCommand grep(java.util.regex.Pattern pattern, java.io.File... files) {
		final GrepArguments grepArgs = new GrepArguments();
		grepArgs.setPattern(pattern);
		grepArgs.setFiles(files);
		return new GrepCommand(grepArgs);
	}

	@Override
	public GrepCommand grep(java.util.regex.Pattern pattern, String... paths) {
		final GrepArguments grepArgs = new GrepArguments();
		grepArgs.setPattern(pattern);
		grepArgs.setPaths(paths);
		return new GrepCommand(grepArgs);
	}

	@Override
	public GrepCommand grep(GrepOptions options, String regexp) {
		final GrepArguments grepArgs = new GrepArguments(options);
		grepArgs.setRegexp(regexp);
		return new GrepCommand(grepArgs);
	}

	@Override
	public GrepCommand grep(GrepOptions options, java.util.regex.Pattern pattern) {
		final GrepArguments grepArgs = new GrepArguments(options);
		grepArgs.setPattern(pattern);
		return new GrepCommand(grepArgs);
	}

	@Override
	public GrepCommand grep(GrepOptions options, String regexp, java.io.File... files) {
		final GrepArguments grepArgs = new GrepArguments(options);
		grepArgs.setRegexp(regexp);
		grepArgs.setFiles(files);
		return new GrepCommand(grepArgs);
	}

	@Override
	public GrepCommand grep(GrepOptions options, String regexp, String... paths) {
		final GrepArguments grepArgs = new GrepArguments(options);
		grepArgs.setRegexp(regexp);
		grepArgs.setPaths(paths);
		return new GrepCommand(grepArgs);
	}

	@Override
	public GrepCommand grep(GrepOptions options, java.util.regex.Pattern pattern, java.io.File... files) {
		final GrepArguments grepArgs = new GrepArguments(options);
		grepArgs.setPattern(pattern);
		grepArgs.setFiles(files);
		return new GrepCommand(grepArgs);
	}

	@Override
	public GrepCommand grep(GrepOptions options, java.util.regex.Pattern pattern, String... paths) {
		final GrepArguments grepArgs = new GrepArguments(options);
		grepArgs.setPattern(pattern);
		grepArgs.setPaths(paths);
		return new GrepCommand(grepArgs);
	}
}