/**
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.airavata.common.utils;

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

public class NameValidator {

    /**
     * @param name
     * @return Is it valid name?
     */
    public static boolean validate(String name) {
        // Set the name pattern string
        Pattern p = Pattern.compile("([a-zA-Z]){1,}([0-9]|_|\\.|[a-zA-Z]){0,}$");

        // Match the given string with the pattern
        Matcher m = p.matcher(name);

        // Check whether match is found
        boolean matchFound = m.matches();

        return matchFound;
    }

    /**
     * @param args
     * @Description some quick tests
     */
    public static void main(String[] args) {
        System.out.println(validate("abc90_90abc")); // true

        System.out.println(validate("abc_abc_123")); // true

        System.out.println(validate("abc_abc_")); // true

        System.out.println(validate("abc_abc")); // true

        System.out.println(validate("abc.abc")); // true

        System.out.println(validate("9abc_abc")); // false, name cannot start with number

        System.out.println(validate("_abc_abc")); // false, name cannot start with "_"

        System.out.println(validate("\\abc_abc")); // false, name cannot start with "\"

        System.out.println(validate("abc\\_abc")); // false, name cannot contain "\"
    }
}
