org.gradle.util.NameValidator.java Source code

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Here is the source code for org.gradle.util.NameValidator.java

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/*
 * Copyright 2017 the original author or authors.
 *
 * 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 org.gradle.util;

import org.apache.commons.lang.StringUtils;

import java.util.Arrays;

public final class NameValidator {

    private static final char[] FORBIDDEN_CHARACTERS = new char[] { ' ', '/', '\\', ':', '<', '>', '"', '?', '*',
            '|' };
    private static final char FORBIDDEN_LEADING_AND_TRAILING_CHARACTER = '.';

    private NameValidator() {
    }

    /**
     * Validates that a given name string does not contain any forbidden characters.
     */
    public static void validate(String name, String nameDescription, String fixSuggestion) {
        if (StringUtils.isEmpty(name)) {
            DeprecationLogger.nagUserOfDeprecatedThing("The " + nameDescription + " is empty.", fixSuggestion);
        } else if (StringUtils.containsAny(name, FORBIDDEN_CHARACTERS)) {
            DeprecationLogger.nagUserOfDeprecatedThing(
                    "The " + nameDescription + " '" + name + "' contains at least one of the following characters: "
                            + Arrays.toString(FORBIDDEN_CHARACTERS) + ".",
                    fixSuggestion);
        } else if (name.charAt(0) == FORBIDDEN_LEADING_AND_TRAILING_CHARACTER
                || name.charAt(name.length() - 1) == FORBIDDEN_LEADING_AND_TRAILING_CHARACTER) {
            DeprecationLogger.nagUserOfDeprecatedThing("The " + nameDescription + " '" + name
                    + "' starts or ends with a '" + FORBIDDEN_LEADING_AND_TRAILING_CHARACTER + "'.", fixSuggestion);
        }
    }
}