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 */ 018package org.nuxeo.ecm.core.opencmis.impl.server; 019 020import java.io.Serializable; 021import java.math.BigInteger; 022import java.util.Collections; 023import java.util.List; 024 025import org.apache.chemistry.opencmis.commons.data.CmisExtensionElement; 026import org.apache.chemistry.opencmis.commons.data.PropertyBoolean; 027import org.apache.chemistry.opencmis.commons.data.PropertyData; 028import org.apache.chemistry.opencmis.commons.data.PropertyId; 029import org.apache.chemistry.opencmis.commons.data.PropertyInteger; 030import org.apache.chemistry.opencmis.commons.data.PropertyString; 031import org.apache.chemistry.opencmis.commons.definitions.PropertyDefinition; 032import org.apache.chemistry.opencmis.commons.exceptions.CmisConstraintException; 033import org.nuxeo.ecm.core.api.DocumentModel; 034 035/** 036 * Base abstract class for a live property of an object. 037 * <p> 038 * Concrete classes must also implement one of {@link PropertyId}, {@link PropertyString}, ... 039 * 040 * @see NuxeoPropertyData 041 */ 042public abstract class NuxeoPropertyDataBase<T> implements PropertyData<T> { 043 044 protected final PropertyDefinition<T> propertyDefinition; 045 046 protected final DocumentModel doc; 047 048 public NuxeoPropertyDataBase(PropertyDefinition<T> propertyDefinition, DocumentModel doc) { 049 this.propertyDefinition = propertyDefinition; 050 this.doc = doc; 051 } 052 053 public PropertyDefinition<T> getPropertyDefinition() { 054 return propertyDefinition; 055 } 056 057 @Override 058 public String getId() { 059 return propertyDefinition.getId(); 060 } 061 062 @Override 063 public String getLocalName() { 064 return propertyDefinition.getLocalName(); 065 } 066 067 @Override 068 public String getDisplayName() { 069 return propertyDefinition.getDisplayName(); 070 } 071 072 @Override 073 public String getQueryName() { 074 return propertyDefinition.getQueryName(); 075 } 076 077 @SuppressWarnings("unchecked") 078 public <U> U getValue() { 079 return (U) getFirstValue(); 080 } 081 082 @Override 083 public abstract T getFirstValue(); 084 085 @Override 086 public List<T> getValues() { 087 T v = getFirstValue(); 088 return v == null ? Collections.<T> emptyList() : Collections.singletonList(v); 089 } 090 091 public void setValue(Object value) { 092 Serializable old = null; 093 if (value == null && old == null) { 094 return; 095 } 096 if (value != null && value.equals(old)) { 097 return; 098 } 099 throw new CmisConstraintException("Read-only property: " + propertyDefinition.getId()); 100 } 101 102 @Override 103 public List<CmisExtensionElement> getExtensions() { 104 return null; 105 } 106 107 @Override 108 public void setExtensions(List<CmisExtensionElement> extensions) { 109 throw new UnsupportedOperationException(); 110 } 111 112 /** 113 * A fixed property (whose value cannot be changed). 114 */ 115 public static abstract class NuxeoPropertyDataFixed<T> extends NuxeoPropertyDataBase<T> { 116 117 protected final T value; 118 119 protected NuxeoPropertyDataFixed(PropertyDefinition<T> propertyDefinition, T value) { 120 super(propertyDefinition, null); 121 this.value = value; 122 } 123 124 @Override 125 public T getFirstValue() { 126 return value; 127 } 128 } 129 130 /** 131 * A fixed multi-valued property (whose value cannot be changed). 132 */ 133 public static abstract class NuxeoPropertyMultiDataFixed<T> extends NuxeoPropertyDataBase<T> { 134 135 protected final List<T> value; 136 137 protected NuxeoPropertyMultiDataFixed(PropertyDefinition<T> propertyDefinition, List<T> value) { 138 super(propertyDefinition, null); 139 this.value = value; 140 } 141 142 @Override 143 @SuppressWarnings("unchecked") 144 public <U> U getValue() { 145 return (U) getValues(); 146 } 147 148 @Override 149 public T getFirstValue() { 150 return value.size() == 0 ? null : value.get(0); 151 } 152 153 @Override 154 public List<T> getValues() { 155 return value; 156 } 157 } 158 159 /** 160 * A fixed ID property. 161 */ 162 public static class NuxeoPropertyIdDataFixed extends NuxeoPropertyDataFixed<String> implements PropertyId { 163 164 protected NuxeoPropertyIdDataFixed(PropertyDefinition<String> propertyDefinition, String value) { 165 super(propertyDefinition, value); 166 } 167 } 168 169 /** 170 * A fixed multi-ID property. 171 */ 172 public static class NuxeoPropertyIdMultiDataFixed extends NuxeoPropertyMultiDataFixed<String> implements PropertyId { 173 174 protected NuxeoPropertyIdMultiDataFixed(PropertyDefinition<String> propertyDefinition, List<String> value) { 175 super(propertyDefinition, value); 176 } 177 } 178 179 /** 180 * A fixed String property. 181 */ 182 public static class NuxeoPropertyStringDataFixed extends NuxeoPropertyDataFixed<String> implements PropertyString { 183 184 protected NuxeoPropertyStringDataFixed(PropertyDefinition<String> propertyDefinition, String value) { 185 super(propertyDefinition, value); 186 } 187 } 188 189 /** 190 * A fixed Boolean property. 191 */ 192 public static class NuxeoPropertyBooleanDataFixed extends NuxeoPropertyDataFixed<Boolean> implements 193 PropertyBoolean { 194 195 protected NuxeoPropertyBooleanDataFixed(PropertyDefinition<Boolean> propertyDefinition, Boolean value) { 196 super(propertyDefinition, value); 197 } 198 } 199 200 /** 201 * A fixed Integer property. 202 */ 203 public static class NuxeoPropertyIntegerDataFixed extends NuxeoPropertyDataFixed<BigInteger> implements 204 PropertyInteger { 205 206 protected NuxeoPropertyIntegerDataFixed(PropertyDefinition<BigInteger> propertyDefinition, Long value) { 207 super(propertyDefinition, value == null ? null : BigInteger.valueOf(value.longValue())); 208 } 209 } 210 211}