001/* 002 * (C) Copyright 2020 Nuxeo (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * bdelbosc 018 */ 019package org.nuxeo.lib.stream.log; 020 021/** 022 * @since 11.1 023 */ 024public class NameResolver { 025 026 protected final String prefix; 027 028 protected final int prefixLen; 029 030 public NameResolver(String prefix) { 031 this.prefix = (prefix != null) ? prefix : ""; 032 this.prefixLen = this.prefix.length(); 033 } 034 035 public String getId(Name name) { 036 return prefix + name.getId(); 037 } 038 039 public Name getName(String id) { 040 if (!id.startsWith(prefix)) { 041 throw new IllegalArgumentException(String.format("invalid id: %s must starts with prefix %s", id, prefix)); 042 } 043 return Name.ofId(id.substring(prefixLen)); 044 } 045 046 public String getPrefix() { 047 return prefix; 048 } 049 @Override 050 public String toString() { 051 return "NameResolver{" + "prefix='" + prefix + '\'' + '}'; 052 } 053}