jp.ikedam.jenkins.plugins.scoringloadbalancer.util.ValidationUtil.java Source code

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Here is the source code for jp.ikedam.jenkins.plugins.scoringloadbalancer.util.ValidationUtil.java

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/*
 * The MIT License
 * 
 * Copyright (c) 2013 IKEDA Yasuyuki
 * 
 * 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 jp.ikedam.jenkins.plugins.scoringloadbalancer.util;

import hudson.util.FormValidation;

import org.apache.commons.lang.StringUtils;

/**
 * Common validation methods
 */
public class ValidationUtil {
    public static FormValidation doCheckInteger(String value) {
        if (StringUtils.isBlank(value)) {
            return FormValidation.error(Messages.ValidationUtil_integer_requied());
        }

        try {
            Integer.parseInt(StringUtils.trim(value));
        } catch (NumberFormatException e) {
            return FormValidation.error(e, Messages.ValidationUtil_integer_invalid());
        }

        return FormValidation.ok();
    }
}