--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2016 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ * THTH ry - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.debug.browser.utils;\r
+\r
+import java.io.IOException;\r
+import java.lang.reflect.Array;\r
+import java.util.Arrays;\r
+\r
+import org.simantics.databoard.Bindings;\r
+import org.simantics.databoard.Databoard;\r
+import org.simantics.databoard.binding.ArrayBinding;\r
+import org.simantics.databoard.binding.Binding;\r
+import org.simantics.databoard.binding.error.BindingException;\r
+import org.simantics.databoard.serialization.Serializer;\r
+import org.simantics.databoard.type.ArrayType;\r
+import org.simantics.databoard.type.Datatype;\r
+import org.simantics.databoard.util.ObjectUtils;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.utils.CommonDBUtils;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.variable.RVI;\r
+import org.simantics.db.layer0.variable.Variable;\r
+import org.simantics.db.layer0.variable.Variables;\r
+import org.simantics.layer0.Layer0;\r
+\r
+public class Values {\r
+\r
+ private static int RESOURCE_NAME_MAX_LENGTH = 1000;\r
+ private static int RESOURCE_VALUE_MAX_SIZE = 16384;\r
+\r
+ public static ValueInfo getPossibleValueInfo(ReadGraph graph, Resource r) {\r
+ try {\r
+ if (!graph.hasValue(r))\r
+ return null;\r
+\r
+ String value = null;\r
+ String datatype = null;\r
+\r
+ Layer0 L0 = Layer0.getInstance(graph);\r
+ Datatype type = graph.getPossibleRelatedValue(r, L0.HasDataType, Bindings.getBindingUnchecked(Datatype.class));\r
+ if (type != null) {\r
+ if (graph.isInstanceOf(r, L0.RVI)) {\r
+ try {\r
+ RVI rvi = graph.getPossibleValue(r, graph.getService(Databoard.class).getBindingUnchecked(RVI.class));\r
+ Resource owner = CommonDBUtils.getPossibleOwner(graph, r);\r
+ if (owner != null) {\r
+ Variable context = Variables.getPossibleConfigurationContext(graph, owner);\r
+ if (context != null) \r
+ value = rvi.asPossibleString(graph, context);\r
+ }\r
+ if (value == null)\r
+ value = rvi.toString( graph );\r
+ if (value != null)\r
+ datatype = "Relative Variable Identifier (RVI)";\r
+ } catch (DatabaseException e) {\r
+ // Fall through to more generic mechanisms\r
+ }\r
+ }\r
+\r
+ // Generic datatype-based fallback method\r
+ if (value == null) {\r
+ Binding b = Bindings.getBinding(type);\r
+ Object v = graph.getPossibleValue(r, b);\r
+ Serializer s = Bindings.getSerializerUnchecked(b);\r
+ int size = s.getSize(v);\r
+ if (size > RESOURCE_VALUE_MAX_SIZE) {\r
+ value = "Approx. " + size + " byte literal";\r
+ } else {\r
+ if (b instanceof ArrayBinding) {\r
+ // Manipulate data type to contain actual array\r
+ // length for printing purposes.\r
+ int arraySize = ((ArrayBinding) b).size(v);\r
+ ArrayType atype = (ArrayType) type;\r
+ atype.setLength(Integer.toString(arraySize));\r
+ }\r
+ value = b.toString(v, false);\r
+ }\r
+// datatype = type.toSingleLineString();\r
+// datatype = type.toString();\r
+// datatype = DataTypePrinter2.print(type);\r
+ datatype = Bindings.getBindingUnchecked(Datatype.class).toString(type, false);\r
+ }\r
+ }\r
+\r
+ // Final fallback if there's no datatype specified\r
+ ValueInfo info = null;\r
+ if (value != null)\r
+ info = new ValueInfo(r, value, datatype);\r
+ if (info == null)\r
+ info = toSimpleValueInfo(r, graph.getValue(r));\r
+\r
+ return info;\r
+ } catch (DatabaseException e) {\r
+ return null;\r
+ } catch (IOException e) {\r
+ return null;\r
+ } catch (BindingException e) {\r
+ return null;\r
+ }\r
+ }\r
+\r
+ private static ValueInfo toSimpleValueInfo(Resource r, Object value) {\r
+ Class<?> clazz = value.getClass();\r
+ if (clazz.isArray()) {\r
+ int length = Array.getLength(value);\r
+ if (length > RESOURCE_NAME_MAX_LENGTH) {\r
+ if (value instanceof byte[]) {\r
+ byte[] arr = (byte[]) value;\r
+ byte[] arr2 = Arrays.copyOf(arr, RESOURCE_NAME_MAX_LENGTH);\r
+ return truncated(r, "byte", Arrays.toString(arr2), arr.length);\r
+ } else if (value instanceof int[]) {\r
+ int[] arr = (int[]) value;\r
+ int[] arr2 = Arrays.copyOf(arr, RESOURCE_NAME_MAX_LENGTH);\r
+ return truncated(r, "int", Arrays.toString(arr2), arr.length);\r
+ } else if (value instanceof long[]) {\r
+ long[] arr = (long[]) value;\r
+ long[] arr2 = Arrays.copyOf(arr, RESOURCE_NAME_MAX_LENGTH);\r
+ return truncated(r, "long", Arrays.toString(arr2), arr.length);\r
+ } else if (value instanceof float[]) {\r
+ float[] arr = (float[]) value;\r
+ float[] arr2 = Arrays.copyOf(arr, RESOURCE_NAME_MAX_LENGTH);\r
+ return truncated(r, "float", Arrays.toString(arr2), arr.length);\r
+ } else if (value instanceof double[]) {\r
+ double[] arr = (double[]) value;\r
+ double[] arr2 = Arrays.copyOf(arr, RESOURCE_NAME_MAX_LENGTH);\r
+ return truncated(r, "double", Arrays.toString(arr2), arr.length);\r
+ } else if (value instanceof boolean[]) {\r
+ boolean[] arr = (boolean[]) value;\r
+ boolean[] arr2 = Arrays.copyOf(arr, RESOURCE_NAME_MAX_LENGTH);\r
+ return truncated(r, "boolean", Arrays.toString(arr2), arr.length);\r
+ } else if (value instanceof Object[]) {\r
+ Object[] arr = (Object[]) value;\r
+ Object[] arr2 = Arrays.copyOf(arr, RESOURCE_NAME_MAX_LENGTH);\r
+ return truncated(r, "Object", Arrays.toString(arr2), arr.length);\r
+ } else {\r
+ return new ValueInfo(r, "", "Unknown big array " + clazz.getCanonicalName());\r
+ }\r
+ } else {\r
+ return new ValueInfo(r, ObjectUtils.toString(value), clazz.getComponentType() + "[" + length + "]");\r
+ }\r
+ }\r
+ return new ValueInfo(r, ObjectUtils.toString(value), clazz.getCanonicalName());\r
+ }\r
+\r
+ private static ValueInfo truncated(Resource r, String type, String value, int originalLength) {\r
+ return new ValueInfo(r, value, type + "[" + RESOURCE_NAME_MAX_LENGTH + "/" + originalLength + "]");\r
+ }\r
+\r
+}\r
Code Review / simantics / platform.git / blobdiff