CliCommandSetBuildMLFileDepth.java

/*******************************************************************************
 * Copyright (c) 2012 Arapiki Solutions Inc.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    "Peter Smith <psmith@arapiki.com>" - initial API and 
 *        implementation and/or initial documentation
 *******************************************************************************/ 

package com.buildml.main.commands;

import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.Options;

import com.buildml.main.CliUtils;
import com.buildml.main.ICliCommand;
import com.buildml.model.IBuildStore;
import com.buildml.model.IPackageRootMgr;
import com.buildml.utils.errors.ErrorCode;

/**
 * BuildML CLI Command class that implements the "set-bml-depth" command.
 * 
 * @author "Peter Smith <psmith@arapiki.com>"
 */
public class CliCommandSetBuildMLFileDepth implements ICliCommand {

	/*=====================================================================================*
	 * PUBLIC METHODS
	 *=====================================================================================*/
	
	/* (non-Javadoc)
	 * @see com.buildml.main.ICliCommand#getLongDescription()
	 */
	@Override
	public String getLongDescription() {
		return CliUtils.genLocalizedMessage("#include commands/set-bml-depth.txt");
	}
	
	/*-------------------------------------------------------------------------------------*/

	/* (non-Javadoc)
	 * @see com.buildml.main.ICliCommand#getName()
	 */
	@Override
	public String getName() {
		return "set-bml-depth";
	}

	/*-------------------------------------------------------------------------------------*/

	/* (non-Javadoc)
	 * @see com.buildml.main.ICliCommand#getOptions()
	 */
	@Override
	public Options getOptions() {
		return new Options();
	}

	/*-------------------------------------------------------------------------------------*/

	/* (non-Javadoc)
	 * @see com.buildml.main.ICliCommand#getParameterDescription()
	 */
	@Override
	public String getParameterDescription() {
		return "<depth>";
	}

	/*-------------------------------------------------------------------------------------*/

	/* (non-Javadoc)
	 * @see com.buildml.main.ICliCommand#getShortDescription()
	 */
	@Override
	public String getShortDescription() {
		return "Set the distance between build.bml and @workspace";
	}

	/*-------------------------------------------------------------------------------------*/

	/* (non-Javadoc)
	 * @see com.buildml.main.ICliCommand#processOptions(org.apache.commons.cli.CommandLine)
	 */
	@Override
	public void processOptions(IBuildStore buildStore, CommandLine cmdLine) {
		/* no options */
	}

	/*-------------------------------------------------------------------------------------*/

	/* (non-Javadoc)
	 * @see com.buildml.main.ICliCommand#invoke(com.buildml.model.BuildStore, java.lang.String[])
	 */
	@Override
	public void invoke(IBuildStore buildStore, String buildStorePath, String[] args) {

		CliUtils.validateArgs(getName(), args, 1, 1, "You must specify a numeric distance.");

		IPackageRootMgr pkgRootMgr = buildStore.getPackageRootMgr();
		
		String depthString = args[0];
		int depth = 0;
		try {
			depth = Integer.valueOf(depthString);
		} catch (NumberFormatException ex) {
			CliUtils.reportErrorAndExit("Depth value: " + depthString + " is not a valid integer.");
		}
		
		/* set the BuildML file depth */
		int rc = pkgRootMgr.setBuildMLFileDepth(depth);
		if (rc == ErrorCode.BAD_PATH) {
			CliUtils.reportErrorAndExit("Invalid BuildML file depth: " + depth);
		}
		
		System.out.println("BuildML file depth set to " + depth + ".");
	}

	/*-------------------------------------------------------------------------------------*/
}