bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/adapter/impl/StringModifierImpl.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
   3  * in Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.db.layer0.adapter.impl;\r
  13 \r
  14 import org.simantics.databoard.Bindings;\r
  15 import org.simantics.databoard.binding.Binding;\r
  16 import org.simantics.databoard.binding.error.BindingException;\r
  17 import org.simantics.databoard.parser.repository.DataTypeSyntaxError;\r
  18 import org.simantics.databoard.parser.repository.DataValueRepository;\r
  19 import org.simantics.databoard.type.ArrayType;\r
  20 import org.simantics.databoard.type.BooleanType;\r
  21 import org.simantics.databoard.type.ByteType;\r
  22 import org.simantics.databoard.type.Datatype;\r
  23 import org.simantics.databoard.type.DoubleType;\r
  24 import org.simantics.databoard.type.FloatType;\r
  25 import org.simantics.databoard.type.IntegerType;\r
  26 import org.simantics.databoard.type.LongType;\r
  27 import org.simantics.databoard.type.StringType;\r
  28 import org.simantics.databoard.units.IUnitConverter;\r
  29 import org.simantics.db.ReadGraph;\r
  30 import org.simantics.db.Resource;\r
  31 import org.simantics.db.VirtualGraph;\r
  32 import org.simantics.db.WriteGraph;\r
  33 import org.simantics.db.common.request.WriteRequest;\r
  34 import org.simantics.db.exception.DatabaseException;\r
  35 import org.simantics.db.exception.ValidationException;\r
  36 import org.simantics.db.layer0.adapter.AbstractStringModifier;\r
  37 import org.simantics.db.layer0.util.PrimitiveValueParser;\r
  38 import org.simantics.db.layer0.util.PrimitiveValueParser.BooleanArrayValidator;\r
  39 import org.simantics.db.layer0.util.PrimitiveValueParser.BooleanValidator;\r
  40 import org.simantics.db.layer0.util.PrimitiveValueParser.ByteArrayValidator;\r
  41 import org.simantics.db.layer0.util.PrimitiveValueParser.DoubleArrayValidator;\r
  42 import org.simantics.db.layer0.util.PrimitiveValueParser.DoubleValidator;\r
  43 import org.simantics.db.layer0.util.PrimitiveValueParser.FloatArrayValidator;\r
  44 import org.simantics.db.layer0.util.PrimitiveValueParser.FloatValidator;\r
  45 import org.simantics.db.layer0.util.PrimitiveValueParser.IValidator;\r
  46 import org.simantics.db.layer0.util.PrimitiveValueParser.IntegerArrayValidator;\r
  47 import org.simantics.db.layer0.util.PrimitiveValueParser.IntegerValidator;\r
  48 import org.simantics.db.layer0.util.PrimitiveValueParser.LongArrayValidator;\r
  49 import org.simantics.db.layer0.util.PrimitiveValueParser.LongValidator;\r
  50 import org.simantics.db.service.VirtualGraphSupport;\r
  51 import org.simantics.layer0.Layer0;\r
  52 \r
  53 public final class StringModifierImpl extends AbstractStringModifier {\r
  54 \r
  55     final Resource resource;\r
  56     final IUnitConverter converter;\r
  57     IValidator     validator;\r
  58 \r
  59     public StringModifierImpl(ReadGraph g, Resource resource) throws DatabaseException {\r
  60         this(g, resource, null);\r
  61     }\r
  62 \r
  63     public StringModifierImpl(ReadGraph g, Resource resource, IUnitConverter converter) throws DatabaseException {\r
  64         super(resource);\r
  65         this.resource = resource;\r
  66         this.validator = null;\r
  67         this.converter = converter;\r
  68 \r
  69         // Resolve validator if any\r
  70         Layer0 l0 = Layer0.getInstance(g);\r
  71         validator = PrimitiveValueParser.NON_MODIFIABLE_VALIDATOR;\r
  72 \r
  73         Datatype type = g.getPossibleRelatedValue(resource, l0.HasDataType,\r
  74                 Bindings.getBindingUnchecked(Datatype.class));\r
  75         if (type == null)\r
  76             return;\r
  77 \r
  78         if (type instanceof DoubleType) {\r
  79             validator = new DoubleValidator();\r
  80         } else if (type instanceof StringType) {\r
  81             validator = null;\r
  82         } else if (type instanceof ByteType) {\r
  83             validator = new ByteArrayValidator();\r
  84         } else if (type instanceof BooleanType) {\r
  85             validator = new BooleanValidator();\r
  86         } else if (type instanceof IntegerType) {\r
  87             validator = new IntegerValidator();\r
  88         } else if (type instanceof LongType) {\r
  89             validator = new LongValidator();\r
  90         } else if (type instanceof FloatType) {\r
  91             validator = new FloatValidator();\r
  92         } else if(type instanceof ArrayType) {\r
  93             ArrayType arrayType = (ArrayType)type; \r
  94             type = arrayType.componentType();\r
  95             if (type instanceof DoubleType) {\r
  96                 validator = new DoubleArrayValidator();\r
  97             } else if (type instanceof StringType) {\r
  98                 validator = null;\r
  99             } else if (type instanceof ByteType) {\r
 100                 validator = new ByteArrayValidator();\r
 101             } else if (type instanceof BooleanType) {\r
 102                 validator = new BooleanArrayValidator();\r
 103             } else if (type instanceof IntegerType) {\r
 104                 validator = new IntegerArrayValidator();\r
 105             } else if (type instanceof LongType) {\r
 106                 validator = new LongArrayValidator();\r
 107             } else if (type instanceof FloatType) {\r
 108                 validator = new FloatArrayValidator();\r
 109             }\r
 110         }\r
 111     }\r
 112 \r
 113     @Override\r
 114     public String isValid(String value) {\r
 115         return validator == null ? null : validator.isValid(value);\r
 116     }\r
 117 \r
 118     @Override\r
 119     public final void modify(WriteGraph graph, final String value) throws DatabaseException {\r
 120         VirtualGraphSupport vgs = graph.getService(VirtualGraphSupport.class);\r
 121         VirtualGraph vg = vgs.getGraph(graph, resource);\r
 122         if (vg != null) {\r
 123             graph.syncRequest(new WriteRequest(vg) {\r
 124                 @Override\r
 125                 public void perform(WriteGraph graph) throws DatabaseException {\r
 126                     modify0(graph, value);\r
 127                 }\r
 128             });\r
 129         } else {\r
 130             modify0(graph, value);\r
 131         }\r
 132     }\r
 133 \r
 134     protected void modify0(WriteGraph graph, String value) throws DatabaseException {\r
 135         Layer0 l0 = Layer0.getInstance(graph);\r
 136 \r
 137         try {\r
 138             // FIXME: no support for StringArray!\r
 139             Datatype type = graph.getDataType(resource);\r
 140             if (type == null)\r
 141                 return;\r
 142 \r
 143             if (type instanceof StringType) {\r
 144                 // We do not want to parse string types with databoard since it requires the string to be within quotes "".\r
 145                 graph.claimValue(resource, value, Bindings.STRING);\r
 146                 return;\r
 147             }\r
 148 \r
 149 //            } else if (type instanceof DoubleType) {\r
 150 //              double v = PrimitiveValueParser.parseDouble(value);\r
 151 //              if(converter != null) v = converter.convert(v);\r
 152 //                graph.claimValue(resource, v, Bindings.DOUBLE);\r
 153 //            } else if (type instanceof ByteType) {\r
 154 //                graph.claimValue(resource, PrimitiveValueParser.parseByte(value), Bindings.BYTE);\r
 155 //            } else if (type instanceof BooleanType) {\r
 156 //                graph.claimValue(resource, PrimitiveValueParser.parseBoolean(value), Bindings.BOOLEAN);\r
 157 //            } else if (type instanceof IntegerType) {\r
 158 //                graph.claimValue(resource, PrimitiveValueParser.parseInt(value), Bindings.INTEGER);\r
 159 //            } else if (type instanceof LongType) {\r
 160 //                graph.claimValue(resource, PrimitiveValueParser.parseLong(value), Bindings.LONG);\r
 161 //            } else if (type instanceof FloatType) {\r
 162 //                graph.claimValue(resource, PrimitiveValueParser.parseFloat(value), Bindings.FLOAT);\r
 163 //            } else if (graph.getPossibleRelatedValue(resource, l0.HasName) != null) {\r
 164 //                graph.claimLiteral(resource, l0.HasName, value, Bindings.STRING);\r
 165 \r
 166             if (type instanceof ArrayType) {\r
 167                 ArrayType arrayType = (ArrayType)type; \r
 168                 type = arrayType.componentType();\r
 169                 value = "[" + value + "]";\r
 170 //            if (type instanceof BooleanType) {\r
 171 //              graph.claimValue(resource, PrimitiveValueParser.parseBooleanArray(value), Bindings.BOOLEAN_ARRAY);\r
 172 //            } else if (type instanceof IntegerType) {\r
 173 //              graph.claimValue(resource, PrimitiveValueParser.parseIntArray(value), Bindings.INT_ARRAY);\r
 174 //            } else if (type instanceof LongType) {\r
 175 //              graph.claimValue(resource, PrimitiveValueParser.parseLongArray(value), Bindings.LONG_ARRAY);\r
 176 //            } else if (type instanceof FloatType) {\r
 177 //              graph.claimValue(resource, PrimitiveValueParser.parseFloatArray(value), Bindings.FLOAT_ARRAY);\r
 178 //            } else if (type instanceof DoubleType) {\r
 179 ////                    graph.claimValue(resource, PrimitiveValueParser.parseDoubleArray(value), Bindings.DOUBLE_ARRAY);\r
 180 ////                Datatype dt = graph.getPossibleRelatedValue(resource, l0.HasDataType, Bindings.getBindingUnchecked(Datatype.class));\r
 181 ////                Binding binding = Bindings.getBinding(dt);\r
 182 ////                Object parsedValue = binding.parseValue("["+value+"]", new DataValueRepository());\r
 183 ////                graph.claimValue(resource, parsedValue, binding);\r
 184 //            } else if (type instanceof ByteType) {\r
 185 //              graph.claimValue(resource, PrimitiveValueParser.parseByteArray(value), Bindings.BYTE_ARRAY);\r
 186 //            } else if (type instanceof StringType) {\r
 187 //                Datatype dt = graph.getPossibleRelatedValue(resource, l0.HasDataType, Bindings.getBindingUnchecked(Datatype.class));\r
 188 //                Binding binding = Bindings.getBinding(dt);\r
 189 //                Object parsedValue = binding.parseValue(value, new DataValueRepository());\r
 190 //                graph.claimValue(resource, parsedValue, binding);\r
 191 //            }\r
 192             }\r
 193 \r
 194             Datatype dt = graph.getPossibleRelatedValue(resource, l0.HasDataType, Bindings.getBindingUnchecked(Datatype.class));\r
 195             Binding binding = Bindings.getBinding(dt);\r
 196             Object parsedValue = binding.parseValue(value, new DataValueRepository());\r
 197             graph.claimValue(resource, parsedValue, binding);\r
 198         } catch(IllegalArgumentException e) {\r
 199             // value could not be modified\r
 200         } catch (DataTypeSyntaxError e) {\r
 201             throw new ValidationException("Could not modify resource '" + resource.getResourceId() + "' with value " + value, e);\r
 202         } catch (BindingException e) {\r
 203             throw new ValidationException("Could not modify resource '" + resource.getResourceId() + "' with value " + value, e);\r
 204         }\r
 205     }\r
 206 \r
 207 }\r