package com.thinkbiganalytics.nifi.rest.support;
/*-
* #%L
* thinkbig-nifi-rest-common-util
* %%
* Copyright (C) 2017 ThinkBig Analytics
* %%
* 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.
* #L%
*/
import org.apache.commons.lang3.StringUtils;
import java.util.Date;
/**
* Utility class to support common naming of versioned process groups
*/
public class NifiTemplateNameUtil {
/**
* the regex pattern to match when looking for versioned process groups
**/
static String VERSION_NAME_REGEX = "(.*) - (\\d{13})";
/**
* Return the new name of the versioned process group
*
* @param name the process group name with out the version timestamp
* @return the new name that has the new version timestamp
*/
public static String getVersionedProcessGroupName(String name) {
return name + " - " + new Date().getTime();
}
/**
* Return the process group name, removing the versioned timestamp if one exists
*
* @param name a process group name
* @return the process group name, removing the versioned timestamp if one exists
*/
public static String parseVersionedProcessGroupName(String name) {
if (isVersionedProcessGroup(name)) {
return StringUtils.substringBefore(name, " - ");
}
return name;
}
/**
* Check to see if the incoming name includes a versioned timestamp
*
* @param name the process group name
* @return {@code true} if the incoming name contains the version timestamp, {@code false} if the name is not versioned.
*/
public static boolean isVersionedProcessGroup(String name) {
return StringUtils.isNotBlank(name) && name.matches(VERSION_NAME_REGEX);
}
}