/*
 * The MIT License
 *
 *  Copyright (c) 2012, benas (md.benhassine@gmail.com)
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to deal
 *  in the Software without restriction, including without limitation the rights
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *  copies of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in
 *  all copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 *  THE SOFTWARE.
 */

package net.benas.cb4j.core.validator;

import net.benas.cb4j.core.api.FieldValidator;
import net.benas.cb4j.core.model.Field;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * Numeric field validator implementation.<br/>
 * This validator should be used to validate that a field content is a numeric value
 * @author benas (md.benhassine@gmail.com)
 */
public class NumericFieldValidator implements FieldValidator {

    /**
     * {@inheritDoc}
     */
    public boolean isValidField(final Field field) {
        String expression = "^[-+]?[0-9]*\\.?[0-9]+$";
        CharSequence inputStr = field.getContent();
        Pattern pattern = Pattern.compile(expression);
        Matcher matcher = pattern.matcher(inputStr);
        return matcher.matches();
    }

    /**
     * {@inheritDoc}
     */
    public String getValidationRuleDescription() {
        return "The field content should be a numeric value";
    }


}

@@ -1622,19 +1622,22 @@
 tor 
-implement
+extend
 s 
+RegExp
 Fiel
@@ -1651,132 +1651,86 @@
 tor 
-%7B%0D%0A%0D%0A    /**%0D%0A     * %7B@inheritDoc%7D%0D%0A     */%0D%0A    public boolean isValidField(final Field field) %7B%0D%0A        String expression
+implements FieldValidator %7B%0D%0A    public static final String REGULAR_EXPRESSION
  = %22
@@ -1760,202 +1760,119 @@
 %22;%0D%0A
+%0D%0A
     
-    CharSequence inputStr = field.getContent();%0D%0A        Pattern pattern = Pattern.compile(expression);%0D%0A        Matcher matcher = pattern.matcher(inputStr);%0D%0A        return matcher.matches(
+/**%0D%0A     * %7B@inheritDoc%7D%0D%0A     */%0D%0A    public NumericFieldValidator()%7B%0D%0A        super(REGULAR_EXPRESSION
 );%0D%0A
@@ -1878,16 +1878,20 @@
 %0A    %7D%0D%0A
+    
 %0D%0A    /*

Update cb4j-core/src/main/java/net/benas/cb4j/core/validator/NumericFieldValidator.java