minlength.java

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// 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.text.MessageFormat;
import java.util.Locale;

/**
 * @author <a href="mailto:[e-mail]">hgw</a>
 */
public class MinLength implements Validator {
    public final static String  MessagePatternKey= ValidationMessageProvider.STRING_TOO_SHORT;
    private int minLength = 0;
    private static String function = "validate_min_length";

    public MinLength(int minLength) {
        this.minLength = minLength;
    }

    public Object clone() {
        return new MinLength(minLength);
    }

    public String validate(String Value, Locale locale, ValidationMessageProvider provider) {
        if (Value != null && Value.length() < minLength)
            return getMessagePattern(locale, provider);
        else
            return null;
    }

    public String getMessagePattern(Locale locale, ValidationMessageProvider provider) {
        return MessageFormat.format(provider.getPattern(locale, ValidationMessageProvider.STRING_TOO_SHORT), new String[]{"{0}", String.valueOf(minLength)});
    }

    public String getLimit() {
        return String.valueOf(minLength);
    }

    public String getJSFunction() {
        return function;
    }

    public int getMinLength() {
        return minLength;
    }
}