| /* |
| * 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.internal.cache; |
| |
| |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| import org.apache.geode.cache.Region; |
| |
| public class RegionNameValidation { |
| |
| private static final Pattern NAME_PATTERN = Pattern.compile("[aA-zZ0-9-_.]+"); |
| |
| static Pattern getNamePattern() { |
| return NAME_PATTERN; |
| } |
| |
| public static void validate(String name) { |
| validate(name, new InternalRegionArguments()); |
| } |
| |
| static void validate(String name, InternalRegionArguments internalRegionArguments) { |
| if (name == null) { |
| throw new IllegalArgumentException( |
| "name cannot be null"); |
| } |
| if (name.isEmpty()) { |
| throw new IllegalArgumentException( |
| "name cannot be empty"); |
| } |
| if (name.contains(Region.SEPARATOR)) { |
| throw new IllegalArgumentException( |
| String.format("name cannot contain the separator ' %s '", |
| Region.SEPARATOR)); |
| } |
| |
| // Validate the name of the region only if it isn't an internal region |
| if (internalRegionArguments.isInternalRegion()) { |
| return; |
| } |
| if (internalRegionArguments.isUsedForMetaRegion()) { |
| return; |
| } |
| if (internalRegionArguments.isUsedForPartitionedRegionAdmin()) { |
| return; |
| } |
| if (internalRegionArguments.isUsedForPartitionedRegionBucket()) { |
| return; |
| } |
| |
| if (name.startsWith("__")) { |
| throw new IllegalArgumentException( |
| "Region names may not begin with a double-underscore: " + name); |
| } |
| |
| // Ensure the region only contains valid characters |
| Matcher matcher = NAME_PATTERN.matcher(name); |
| if (!matcher.matches()) { |
| throw new IllegalArgumentException( |
| "Region names may only be alphanumeric and may contain hyphens or underscores: " + name); |
| } |
| } |
| } |