001/* 002 * (C) Copyright 2006-2011 Nuxeo SA (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 * Dragos Mihalache 018 * Florent Guillaume 019 */ 020 021package org.nuxeo.ecm.core.versioning; 022 023import org.nuxeo.ecm.core.api.DocumentModel; 024import org.nuxeo.ecm.core.api.facet.VersioningDocument; 025import org.nuxeo.runtime.api.Framework; 026 027/** 028 * Adapter showing the versioning aspects of documents. 029 */ 030public class VersioningDocumentAdapter implements VersioningDocument { 031 032 public final DocumentModel doc; 033 034 public final VersioningService service; 035 036 public VersioningDocumentAdapter(DocumentModel doc) { 037 service = Framework.getService(VersioningService.class); 038 this.doc = doc; 039 } 040 041 @Override 042 public Long getMajorVersion() { 043 return Long.valueOf(getValidVersionNumber(VersioningService.MAJOR_VERSION_PROP)); 044 } 045 046 @Override 047 public Long getMinorVersion() { 048 return Long.valueOf(getValidVersionNumber(VersioningService.MINOR_VERSION_PROP)); 049 } 050 051 @Override 052 public String getVersionLabel() { 053 return service.getVersionLabel(doc); 054 } 055 056 private long getValidVersionNumber(String propName) { 057 Object propVal = doc.getPropertyValue(propName); 058 return (propVal == null || !(propVal instanceof Long)) ? 0 : ((Long) propVal).longValue(); 059 } 060 061}