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 */ 016package org.nuxeo.ecm.core.blob; 017 018/** 019 * Represents trusted managed blob key computation with a fallback {@link KeyStrategy} 020 * 021 * @since 11.2 022 */ 023public class KeyStrategyManaged implements KeyStrategy { 024 025 protected final KeyStrategy strategy; 026 027 public KeyStrategyManaged(KeyStrategy strategy) { 028 this.strategy = strategy; 029 } 030 031 @Override 032 public boolean useDeDuplication() { 033 return false; 034 } 035 036 @Override 037 public String getDigestFromKey(String key) { 038 return null; 039 } 040 041 @Override 042 public BlobWriteContext getBlobWriteContext(BlobContext blobContext) { 043 if (blobContext.blob instanceof ManagedBlob) { 044 // strip version id if part of file key 045 String key = ((ManagedBlob) blobContext.blob).getKey().split(String.valueOf(VER_SEP))[0]; 046 return new BlobWriteContext(blobContext, null, () -> key, this); 047 } else { 048 return strategy.getBlobWriteContext(blobContext); 049 } 050 } 051 052 @Override 053 public boolean equals(Object obj) { 054 if (!(obj instanceof KeyStrategyManaged)) { 055 return false; 056 } 057 return strategy.equals(((KeyStrategyManaged) obj).strategy); 058 } 059 060 @Override 061 public int hashCode() { 062 return 0; 063 } 064 065}