NameValidator.java

/*
 * Copyright 2015 JBoss, by Red Hat, 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://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.uberfire.ext.plugin.client.validation;

import org.uberfire.ext.plugin.client.resources.i18n.CommonConstants;

public class NameValidator extends RuleValidator {

    public static final String VALID_DIR_REGEX = "^([^*\"\\/><?\\\\\\!|;:]*)$";

    private String emptyError;

    private String invalidError;

    private String error;

    private NameValidator(String emptyError,
                          String invalidError) {
        this.emptyError = emptyError;
        this.invalidError = invalidError;
    }

    public static NameValidator createNameValidator(String emptyError,
                                                    String invalidError) {
        return new NameValidator(emptyError,
                                 invalidError);
    }

    public static NameValidator tagNameValidator() {
        return new NameValidator(CommonConstants.INSTANCE.EmptyTagName(),
                                 CommonConstants.INSTANCE.InvalidTagName());
    }

    public static NameValidator parameterNameValidator() {
        return new NameValidator(CommonConstants.INSTANCE.EmptyParameterName(),
                                 CommonConstants.INSTANCE.InvalidParameterName());
    }

    public String getValidationError() {
        return error;
    }

    public boolean isValid(String dirName) {
        if (dirName == null || dirName.trim().isEmpty()) {
            this.error = this.emptyError;
            return Boolean.FALSE;
        }

        if (!dirName.matches(VALID_DIR_REGEX)) {
            this.error = this.invalidError;
            return Boolean.FALSE;
        }

        this.error = null;
        return Boolean.TRUE;
    }
}