inputvalidatoritem.java

来自「主要是对串口驱动的的一些控制源码！！！ 在下载javacomm20-win32」· Java 代码 · 共 118 行

package de.fhm.jkf.gui;

/**
 * <br><br><center><table border="1" width="80%"><hr>
 * <strong><a href="http://jkf.sourceforge.net">The JKF Project</a></strong>
 * <p>
 * Copyright (C) 2002 by Theodor Willax
 * <p>
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * <p>
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * <p>
 * You should have received a copy of the <a href="http://www.gnu.org/copyleft/lesser.html">
 * GNU Lesser General Public License</a> along with this library; if not, write to
 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA  02111-1307  USA
 * <hr></table></center>
 * 
 * Wrapper class for validation items.
 * 
 * @author Theodor Willax
 * @version $Revision: 1.2 $
 */
public class InputValidatorItem {
	
	/**
	 * The validatable component the validation occured in.
	 */
	private Validatable v;

	/** The error message to this validation item. */
	private String errorMsg;

	/** If this item represents an error in validation or not.
	 */
	private boolean hasError;
		
	/**
	 * Constructs a <code>new</code> 
	 * <code>InputValidatorItem</code> which represents an error
	 * situation.
	 * 
	 * @param msg The error message displayed in the error list.
	 * @param v The <code>validatable</code> that was validated.
	 */
	public InputValidatorItem(Validatable v, String errorMsg) {
		this.errorMsg = errorMsg;
		this.v = v;
		this.hasError = true;
	}
	
	/**
	 * Creates a <code>new</code> <code>InputValidatorItem</code>
	 * for succesfull validations.
	 * 
	 * @param v The <code>validatable</code> that was validated
	 */
	public InputValidatorItem(Validatable v) {
		this(v, "");
		this.hasError = false;
	}

	/**
	 * Returns the component the validation error occured in.
	 */
	public Validatable getValidatable() {
		return v;
	}
	
	/**
	 * Returns the validation error message.
	 */
	public String getMessage() {
		return errorMsg;
	}

	/**
	 * Returns if this item is an error or if validation was successful.
	 */
	public boolean hasError() {
		return hasError;
	}
		
	/**
	 * Generates <code>String</code> representation of this error.
	 * 
	 * @return the <code>String</code> representation of this error.
	 */
	public String toString() {
		return errorMsg;
	}
	
	/**
	 * Tests if <code>this</code> <code>InputValidatorItem</code>
	 * is equal to the given <code>Object</code>.
	 * 
	 * @param other another <code>Object</code> to test for equality.
	 */
	public boolean equals(Object other) {
		if (other == null)
			return false;
		if (other == this)
			return true;
		if (other instanceof InputValidatorItem) {
			if (v.equals(((InputValidatorItem)other).v))
				return true;
		}
		return false;
	}
	
}