IntegerMinValidator.java

/**
 *  OpenKM, Open Document Management System (http://www.openkm.com)
 *  Copyright (c) 2006-2011  Paco Avila & Josep Llort
 *
 *  No bytes were intentionally harmed during the development of this application.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *  
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

package com.openkm.frontend.client.util.validator;

import com.google.gwt.user.client.ui.SuggestBox;
import com.google.gwt.user.client.ui.TextBoxBase;

import eu.maydu.gwt.validation.client.ValidationAction;
import eu.maydu.gwt.validation.client.ValidationResult;
import eu.maydu.gwt.validation.client.Validator;
import eu.maydu.gwt.validation.client.i18n.StandardValidationMessages;
import eu.maydu.gwt.validation.client.i18n.ValidationMessages;

/**
 * IntegerMinValidator
 * 
 * @author jllort
 *
 */
public class IntegerMinValidator extends Validator<IntegerMinValidator> {

	private TextBoxBase text;
	private SuggestBox suggest;
	private int min;
	
	public IntegerMinValidator(TextBoxBase text) {
		this(text, null);
	}
	
	public IntegerMinValidator(TextBoxBase text, String customMsgKey) {
		this(text, false);
	}
	
	public IntegerMinValidator(TextBoxBase text, int min) {
		this.text = text;
		this.min = min;
	}
	
	public IntegerMinValidator(TextBoxBase text, int min, String customMsgKey) {
		this.text = text;
		this.min = min;
		this.setCustomMsgKey(customMsgKey);
	}
	
	public IntegerMinValidator(TextBoxBase text, boolean preventsPropagationOfValidationChain) {
		this(text, preventsPropagationOfValidationChain, null);
	}
	
	public IntegerMinValidator(TextBoxBase text, boolean preventsPropagationOfValidationChain, String customMsgKey) {
		super();
		this.setPreventsPropagationOfValidationChain(preventsPropagationOfValidationChain);
		if(text == null)
			throw new RuntimeException("text must not be null");
		this.text = text;
		this.setCustomMsgKey(customMsgKey);
	}
	
	public IntegerMinValidator(SuggestBox suggest) {
		this(suggest, null);
	}
	
	public IntegerMinValidator(SuggestBox suggest, String customMsgKey) {
		this(suggest, false);
		this.setCustomMsgKey(customMsgKey);
	}
	
	public IntegerMinValidator(SuggestBox suggest, int min) {
		this(suggest, min, false);
	}
	
	
	public IntegerMinValidator(SuggestBox suggest, boolean preventsPropagationOfValidationChain) {
		this(suggest, preventsPropagationOfValidationChain, null);
	}
	
	public IntegerMinValidator(SuggestBox suggest, boolean preventsPropagationOfValidationChain, String customMsgKey) {
		super();
		this.setPreventsPropagationOfValidationChain(preventsPropagationOfValidationChain);
		if(suggest == null)
			throw new RuntimeException("suggest must not be null");
		this.suggest = suggest;
		this.setCustomMsgKey(customMsgKey);
	}
	
	public IntegerMinValidator(SuggestBox suggest, int min, boolean preventsPropagationOfValidationChain) {
		this(suggest, min, preventsPropagationOfValidationChain, null);
	}
	
	public IntegerMinValidator(SuggestBox suggest, int min, boolean preventsPropagationOfValidationChain, String customMsgKey) {
		super();
		this.setPreventsPropagationOfValidationChain(preventsPropagationOfValidationChain);
		if(suggest == null)
			throw new RuntimeException("suggest must not be null");
		this.suggest = suggest;
		this.min = min;
		this.setCustomMsgKey(customMsgKey);
	}
	
	@Override
	public ValidationResult validate(ValidationMessages allMessages) {
		StandardValidationMessages messages = allMessages.getStandardMessages();
		String str;
		if(text != null)
			str = text.getText();
		else str = suggest.getText();
		if(!isRequired() && str.equals(""))
			return null;
		str = str.trim();
		if(str.equals(""))
			return new ValidationResult(getErrorMessage(allMessages, messages.notAnInteger()));
		
		//Integer in range
		try {
			long value = Long.parseLong(str);
			if(value < this.min) {
				return new ValidationResult(getErrorMessage(allMessages, messages.validator_min()));
			}
		}catch(NumberFormatException ex) {
			return new ValidationResult(getErrorMessage(allMessages, messages.notAnInteger()));
		}
		
		return null;
	}
	
	public void invokeActions(ValidationResult result) {
		if(text != null) {
			for(ValidationAction<TextBoxBase> action : getFailureActions())
				action.invoke(result, text);
		}else {
			for(ValidationAction<SuggestBox> action : getFailureActions())
				action.invoke(result, suggest);
		}
	}
}