TL1Field.java

package org.opennaas.extensions.protocols.tl1.message;

/*
 * #%L
 * OpenNaaS :: Protocol :: TL-1
 * %%
 * Copyright (C) 2007 - 2014 Fundació Privada i2CAT, Internet i Innovació a Catalunya
 * %%
 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */


import java.io.Serializable;
import java.util.StringTokenizer;

/**
 * This class corresponds to a parsed TL1 Field
 * 
 * @author Mathieu Lemay
 * @author Research Technologist Communications Research Centre
 * @version 1.0.0a
 */
public class TL1Field implements Serializable {

	private static final long	serialVersionUID	= 5267091533470904387L;

	/** Name of the Field */
	private String				name;

	/** This is the Value of the field */
	private String				value;

	/**
	 * Creates a new instance of TL1Field
	 * 
	 * @param field
	 *            Field to be parsed in it's Name/Value format
	 */
	public TL1Field(String field) {
		if (field.charAt(0) == '"' && field.charAt(field.length() - 1) == '"')
			field = field.substring(1, field.length() - 1); // Remove quotes

		StringTokenizer parser = new StringTokenizer(field, "=");
		name = parser.nextToken();
		if (name.charAt(0) == '"' && name.charAt(name.length() - 1) == '"')
			name = name.substring(1, name.length() - 1); // Remove quotes

		if (parser.hasMoreTokens()) {
			value = parser.nextToken();
			if (value.charAt(0) == '"' && value.charAt(value.length() - 1) == '"')
				value = value.substring(1, value.length() - 1); // Remove quotes
		}
	}

	public TL1Field() {

	}

	/**
	 * Retrives the name of the Field
	 * 
	 * @return Name of the Field
	 */
	public String getName() {
		return name;
	}

	/**
	 * Retreives the value of the field specified by name in arguments
	 * 
	 * @return Value of the Field
	 */
	public String getValue() {
		return value;
	}

	/**
	 * Sets the value for the current field specified
	 * 
	 * @param val
	 *            Value of the field
	 * */
	public void setValue(String val) {
		value = val;
	}

	/**
	 * Sets the name for the current field specified
	 * 
	 * @param localname
	 *            Name of the field
	 * */
	public void setName(String localname) {
		name = localname;
	}

	/**
	 * Converts the TL1Field back to a string
	 * 
	 * @return String of the field
	 */
	public String toString() {
		if (value == null)
			return name;
		else
			return name + "=" + value;
	}
}