| /* |
| * 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.geode.management.internal.cli.util; |
| |
| import java.util.ArrayList; |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| import org.apache.geode.cache.Region; |
| |
| /** |
| * Class to handle Region path. |
| * |
| * @since GemFire 7.0 |
| */ |
| public class RegionPath { |
| |
| private final String regionPath; |
| private String regionName; |
| private String regionParentPath; |
| |
| public RegionPath(String pathName) { |
| regionPath = pathName; |
| String[] regions = pathName.split(Region.SEPARATOR); |
| |
| LinkedList<String> regionsNames = new LinkedList<>(); |
| for (String region : regions) { |
| if (!region.isEmpty()) { |
| regionsNames.add(region); |
| } |
| } |
| |
| regionName = regionsNames.removeLast(); |
| StringBuilder parentPathBuilder = new StringBuilder(); |
| while (!regionsNames.isEmpty()) { |
| parentPathBuilder.append(Region.SEPARATOR).append(regionsNames.removeFirst()); |
| } |
| |
| regionParentPath = parentPathBuilder.length() != 0 ? parentPathBuilder.toString() : null; |
| } |
| |
| public String getName() { |
| return regionName; |
| } |
| |
| /** |
| * @return the regionPath |
| */ |
| public String getRegionPath() { |
| return regionPath; |
| } |
| |
| public String getParent() { |
| return regionParentPath; |
| } |
| |
| public boolean isRoot() { |
| return regionParentPath == Region.SEPARATOR || regionParentPath == null; |
| } |
| |
| public String[] getRegionsOnParentPath() { |
| if (getParent() == null) { |
| return new String[] {}; |
| } |
| |
| String[] regionsOnPath = getParent().split(Region.SEPARATOR); |
| |
| // Ignore preceding separator if there is one |
| int start = regionsOnPath[0] == null || regionsOnPath[0].isEmpty() ? 1 : 0; |
| |
| List<String> regions = new ArrayList<>(); |
| for (int i = start; i < regionsOnPath.length; i++) { |
| regions.add(regionsOnPath[i]); |
| } |
| |
| return regions.toArray(new String[] {}); |
| } |
| |
| public String getRootRegionName() { |
| if (isRoot()) { |
| return getName(); |
| } else { |
| return getRegionsOnParentPath()[0]; |
| } |
| } |
| |
| /** |
| * @return Parent RegionPath of this RegionPath. null if this is a root region |
| */ |
| public RegionPath getParentRegionPath() { |
| if (regionParentPath == null) { |
| return null; |
| } |
| return new RegionPath(getParent()); |
| } |
| |
| public boolean isRootRegion() { |
| return regionParentPath == null; |
| } |
| |
| @Override |
| public String toString() { |
| return "RegionPath [regionPath=" + regionPath + "]"; |
| } |
| |
| public static void main(String[] args) { |
| RegionPath rp = new RegionPath("/region1/region11/region111/region1112"); |
| |
| System.out.println("name :: " + rp.getName()); |
| System.out.println("regionpath :: " + rp.getRegionPath()); |
| System.out.println("parent :: " + rp.getParent()); |
| System.out.println("parent region path :: " + rp.getParentRegionPath()); |
| |
| System.out.println("---------------------------------------------------"); |
| |
| rp = new RegionPath("/region1"); |
| |
| System.out.println("name :: " + rp.getName()); |
| System.out.println("regionpath :: " + rp.getRegionPath()); |
| System.out.println("parent :: " + rp.getParent()); |
| System.out.println("parent region path :: " + rp.getParentRegionPath()); |
| } |
| } |