// Copyright 2005-2007 onetsoft.com
//
// 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.
package com.onetsoft.fastjsp.valid.validator;

import com.onetsoft.fastjsp.valid.ValidationMessageProvider;
import com.onetsoft.fastjsp.valid.Validator;
import java.util.Locale;
import java.util.regex.Pattern;

/**
 * @author <a href="mailto:hgw@onetsoft.com">hgw</a>
 */
public class Email implements Validator {

    public final static String  MessagePatternKey= ValidationMessageProvider.EMAIL_INVALID;

    private static String PATTERN = "^\\w[-._\\w]*\\w@\\w[-._\\w]*\\w\\.\\w{2,6}$";
    private static String function = "validate_email";

    public Email() {
    }

    public boolean matches(String pattern, String input) {
            return Pattern.compile(PATTERN).matcher(input).find();         
    }

    public Object clone() {
        return this;
    }

    public String validate(String Value, Locale locale, ValidationMessageProvider provider) {
        if (!matches(PATTERN, Value))
            return getMessagePattern(locale, provider);
        else
            return null;
    }

    public String getMessagePattern(Locale locale, ValidationMessageProvider provider) {
        return provider.getPattern(locale, ValidationMessageProvider.EMAIL_INVALID);
    }

    public String getLimit() {
        return "'\\^\\\\w\\[\\-\\._\\\\w\\]\\*\\\\w\\@\\\\w\\[\\-\\._\\\\w\\]\\*\\\\w\\\\\\.\\\\w\\{2\\,6\\}\\$'";
    }

    public String getJSFunction() {
        return function;
    }


}