ApplicationNameValidator.java

/*
 * Copyright 2015 Amazon Technologies, Inc.
 *
 * 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://aws.amazon.com/apache2.0
 *
 * This file 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.amazonaws.eclipse.elasticbeanstalk.server.ui.databinding;

import org.eclipse.core.databinding.validation.IValidator;
import org.eclipse.core.databinding.validation.ValidationStatus;
import org.eclipse.core.runtime.IStatus;

/**
 * IValidator implementation that tests if the application name matches the specification in
 * http://docs.aws.amazon.com/elasticbeanstalk/latest/api/API_CreateEnvironment.html.
 */
public class ApplicationNameValidator implements IValidator {

    private static final int MIN_LENGTH = 1;

    private static final int MAX_LENGTH = 100;

    private static final MinMaxLengthValidator lengthValidator = new MinMaxLengthValidator("Application Name",
            MIN_LENGTH, MAX_LENGTH);

    public IStatus validate(Object value) {

        IStatus status = lengthValidator.validate(value);

        final String s = (String)value;

        if (s.contains("/")) {
            return ValidationStatus.error("Application Name cannot contain a /");
        }

        return status;
    }
}