string.java example

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xmlsh-master
/**
 * $Id: $
 * $Date: $
 *
 */

package org.xmlsh.modules.json;

import java.util.List;

import org.xmlsh.core.AbstractBuiltinFunction;
import org.xmlsh.core.InvalidArgumentException;
import org.xmlsh.core.XValue;
import org.xmlsh.json.JSONUtils;
import org.xmlsh.sh.shell.Shell;
import org.xmlsh.sh.shell.ShellConstants;
import org.xmlsh.types.TypeFamily;
import org.xmlsh.util.Util;

public class string extends AbstractBuiltinFunction {

	public string()
	{
		super("string");
	}

	@Override
	public XValue run(Shell shell, List<XValue> args) throws InvalidArgumentException {

		if( args.isEmpty() )
			return XValue.newXValue( TypeFamily.JSON, JSONUtils.toJsonString((String)null));

		if( args.size() == 1 )
			return XValue.newXValue( TypeFamily.JSON , JSONUtils.toJsonString(args.get(0)));


		String sjson = Util.joinValues(args,ShellConstants.ARG_SEPARATOR );

		return XValue.newXValue( TypeFamily.JSON,  JSONUtils.toJsonString(sjson) );
	}

}



//
//
//Copyright (C) 2008-2014 David A. Lee.
//
//The contents of this file are subject to the "Simplified BSD License" (the "License");
//you may not use this file except in compliance with the License. You may obtain a copy of the
//License at http://www.opensource.org/licenses/bsd-license.php 
//
//Software distributed under the License is distributed on an "AS IS" basis,
//WITHOUT WARRANTY OF ANY KIND, either express or implied.
//See the License for the specific language governing rights and limitations under the License.
//
//The Original Code is: all this file.
//
//The Initial Developer of the Original Code is David A. Lee
//
//Portions created by (your name) are Copyright (C) (your legal entity). All Rights Reserved.
//
//Contributor(s): none.
//