diff options
Diffstat (limited to 'sca-java-1.x/tags/java-stable-20060304/sdo/impl/src/main/java/org/apache/tuscany/sdo/util/DataObjectUtil.java')
-rw-r--r-- | sca-java-1.x/tags/java-stable-20060304/sdo/impl/src/main/java/org/apache/tuscany/sdo/util/DataObjectUtil.java | 1727 |
1 files changed, 1727 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-stable-20060304/sdo/impl/src/main/java/org/apache/tuscany/sdo/util/DataObjectUtil.java b/sca-java-1.x/tags/java-stable-20060304/sdo/impl/src/main/java/org/apache/tuscany/sdo/util/DataObjectUtil.java new file mode 100644 index 0000000000..6c816090a4 --- /dev/null +++ b/sca-java-1.x/tags/java-stable-20060304/sdo/impl/src/main/java/org/apache/tuscany/sdo/util/DataObjectUtil.java @@ -0,0 +1,1727 @@ +/** + * + * Copyright 2005 The Apache Software Foundation or its licensors, as applicable. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.apache.tuscany.sdo.util; + + +import java.math.BigDecimal; +import java.math.BigInteger; +import java.util.ArrayList; +import java.util.Date; +import java.util.HashMap; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Set; + +import org.apache.tuscany.sdo.impl.SDOFactoryImpl; +import org.eclipse.emf.common.util.BasicEList; +import org.eclipse.emf.common.util.URI; +import org.eclipse.emf.ecore.EClass; +import org.eclipse.emf.ecore.EClassifier; +import org.eclipse.emf.ecore.EDataType; +import org.eclipse.emf.ecore.EFactory; +import org.eclipse.emf.ecore.EObject; +import org.eclipse.emf.ecore.EPackage; +import org.eclipse.emf.ecore.EStructuralFeature; +import org.eclipse.emf.ecore.EcorePackage; +import org.eclipse.emf.ecore.resource.Resource; +import org.eclipse.emf.ecore.resource.ResourceSet; +import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl; +import org.eclipse.emf.ecore.util.EcoreUtil; +import org.eclipse.emf.ecore.util.ExtendedMetaData; +import org.eclipse.emf.ecore.util.FeatureMap; +import org.eclipse.emf.ecore.util.FeatureMapUtil; +import org.eclipse.emf.ecore.xmi.impl.EMOFResourceFactoryImpl; +import org.eclipse.emf.ecore.xmi.impl.EcoreResourceFactoryImpl; +import org.eclipse.emf.ecore.xmi.impl.XMLResourceFactoryImpl; +import org.eclipse.emf.ecore.xml.type.internal.XMLCalendar; +import org.eclipse.xsd.util.XSDResourceFactoryImpl; + +import commonj.sdo.DataGraph; +import commonj.sdo.DataObject; +import commonj.sdo.Property; +import commonj.sdo.Type; +import commonj.sdo.helper.TypeHelper; + + +public final class DataObjectUtil +{ + public static BigDecimal getBigDecimal(Object value) + { + if (value instanceof BigDecimal) + { + return (BigDecimal)value; + } + + if (value instanceof BigInteger) + { + return new BigDecimal((BigInteger)value); + } + + if (value instanceof Number) + { + return new BigDecimal(((Number)value).doubleValue()); + } + + if (value instanceof String) + { + return new BigDecimal((String)value); + } + + if (value == null) + { + return null; + } + + throw new IllegalArgumentException("The value of type '" + value.getClass().getName() + "' cannot be converted to BigDecimal"); + } + + public static Object getSetValue(Property property, BigDecimal value) + { + EStructuralFeature eStructuralFeature = (EStructuralFeature)property; + EClassifier eType = eStructuralFeature.getEType(); + if (value == null) + { + return eType.getDefaultValue(); + } + + String name = eType.getInstanceClassName(); + if (name == "java.math.BigDecimal") + { + return value; + } + + if (name == "java.math.BigInteger") + { + return value.toBigInteger(); + } + + if (name == "java.lang.Byte" || name == "byte") + { + return new Byte(value.byteValue()); + } + + if (name == "java.lang.Double" || name == "double") + { + return new Double(value.doubleValue()); + } + + if (name == "java.lang.Float" || name == "float") + { + return new Float(value.floatValue()); + } + + if (name == "java.lang.Integer" || name == "int") + { + return new Integer(value.intValue()); + } + + if (name == "java.lang.Long" || name == "long") + { + return new Long(value.longValue()); + } + + if (name == "java.lang.Short" || name == "short") + { + return new Short(value.shortValue()); + } + + if (name == "java.lang.String") + { + return String.valueOf(value); + } + + //Instead of throwing an IllegalArgumentException we will pass the value to the property + return value; + } + + public static BigInteger getBigInteger(Object value) + { + if (value instanceof BigInteger) + { + return (BigInteger)value; + } + + if (value instanceof BigDecimal) + { + return ((BigDecimal)value).toBigInteger(); + } + + if (value instanceof Number) + { + return BigInteger.valueOf(((Number)value).longValue()); + } + + if (value instanceof String) + { + return new BigInteger((String)value); + } + + if (value instanceof byte[]) + { + return new BigInteger((byte[])value); + } + + if (value == null) + { + return null; + } + + throw new IllegalArgumentException("The value of type '" + value.getClass().getName() + "' cannot be converted to BigInteger"); + } + + public static Object getSetValue(Property property, BigInteger value) + { + EStructuralFeature eStructuralFeature = (EStructuralFeature)property; + EClassifier eType = eStructuralFeature.getEType(); + if (value == null) + { + return eType.getDefaultValue(); + } + + String name = eType.getInstanceClassName(); + if (name == "java.math.BigInteger") + { + return value; + } + + if (name == "java.math.BigDecimal") + { + return new BigDecimal(value); + } + + if (name == "java.lang.Byte" || name == "byte") + { + return new Byte(value.byteValue()); + } + + if (name == "java.lang.Double" || name == "double") + { + return new Double(value.doubleValue()); + } + + if (name == "java.lang.Float" || name == "float") + { + return new Float(value.floatValue()); + } + + if (name == "java.lang.Integer" || name == "int") + { + return new Integer(value.intValue()); + } + + if (name == "java.lang.Long" || name == "long") + { + return new Long(value.longValue()); + } + + if (name == "java.lang.Short" || name == "short") + { + return new Short(value.shortValue()); + } + + if (name == "java.lang.String") + { + return String.valueOf(value); + } + + if (name == "byte[]") + { + return value.toByteArray(); + } + + //Instead of throwing an IllegalArgumentException we will pass the value to the property + return value; + } + + public static boolean getBoolean(Object value) + { + if (value instanceof Boolean) + { + return ((Boolean)value).booleanValue(); + } + + if (value instanceof String) + { + return Boolean.valueOf((String)value).booleanValue(); + } + + if (value == null) + { + return false; + } + + throw new IllegalArgumentException("The value of type '" + value.getClass().getName() + "' cannot be converted to boolean"); + } + + public static Object getSetValue(Property property, boolean value) + { + EStructuralFeature eStructuralFeature = (EStructuralFeature)property; + String name = eStructuralFeature.getEType().getInstanceClassName(); + if (name == "java.lang.Boolean" || name == "boolean") + { + return value ? Boolean.TRUE : Boolean.FALSE; + } + + if (name == "java.lang.String") + { + return String.valueOf(value); + } + + //Instead of throwing an IllegalArgumentException we will pass the value to the property + return value ? Boolean.TRUE : Boolean.FALSE; + } + + public static byte getByte(Object value) + { + if (value instanceof Number) + { + return ((Number)value).byteValue(); + } + + if (value instanceof String) + { + return Byte.parseByte((String)value); + } + + if (value == null) + { + return 0; + } + + throw new IllegalArgumentException("The value of type '" + value.getClass().getName() + "' cannot be converted to byte"); + } + + public static Object getSetValue(Property property, byte value) + { + EStructuralFeature eStructuralFeature = (EStructuralFeature)property; + String name = eStructuralFeature.getEType().getInstanceClassName(); + if (name == "java.lang.Byte" || name == "byte") + { + return new Byte(value); + } + + if (name == "java.lang.Double" || name == "double") + { + return new Double(value); + } + + if (name == "java.lang.Float" || name == "float") + { + return new Float(value); + } + + if (name == "java.lang.Integer" || name == "int") + { + return new Integer(value); + } + + if (name == "java.lang.Long" || name == "long") + { + return new Long(value); + } + + if (name == "java.lang.Short" || name == "short") + { + return new Short(value); + } + + if (name == "java.math.BigDecimal") + { + return getBigDecimal(new Byte(value)); + } + + if (name == "java.math.BigInteger") + { + return getBigInteger(new Byte(value)); + } + + if (name == "java.lang.String") + { + return String.valueOf(value); + } + + //Instead of throwing an IllegalArgumentException we will pass the value to the property + return new Byte(value); + } + + public static byte[] getBytes(Object value) + { + if (value instanceof byte[]) + { + return (byte[])value; + } + + if (value instanceof BigInteger) + { + return ((BigInteger)value).toByteArray(); + } + + if (value == null) + { + return null; + } + + throw new IllegalArgumentException("The value of type '" + value.getClass().getName() + "' cannot be converted to byte array"); + } + + public static Object getSetValue(Property property, byte[] value) + { + EStructuralFeature eStructuralFeature = (EStructuralFeature)property; + EClassifier eType = eStructuralFeature.getEType(); + if (value == null) + { + return eType.getDefaultValue(); + } + + String name = eType.getInstanceClassName(); + if (name == "byte[]") + { + return value; + } + + if (name == "java.math.BigInteger") + { + return new BigInteger(value); + } + + //Instead of throwing an IllegalArgumentException we will pass the value to the property + return value; + } + + public static char getChar(Object value) + { + if (value instanceof Character) + { + return ((Character)value).charValue(); + } + + if (value instanceof String) + { + return ((String)value).charAt(0); + } + + if (value == null) + { + return 0; + } + + throw new IllegalArgumentException("The value of type '" + value.getClass().getName() + "' cannot be converted to char"); + } + + public static Object getSetValue(Property property, char value) + { + EStructuralFeature eStructuralFeature = (EStructuralFeature)property; + String name = eStructuralFeature.getEType().getInstanceClassName(); + if (name == "java.lang.Character" || name == "char") + { + return new Character(value); + } + + if (name == "java.lang.String") + { + return String.valueOf(value); + } + + //Instead of throwing an IllegalArgumentException we will pass the value to the property + return new Character(value); + } + + public static Date getDate(Object value) + { + if (value instanceof XMLCalendar) + { + return ((XMLCalendar)value).getDate(); + } + + if (value instanceof Date) + { + return (Date)value; + } + + if (value instanceof Long) + { + return new Date(((Long)value).longValue()); + } + + if (value == null) + { + return null; + } + + throw new IllegalArgumentException("The value of type '" + value.getClass().getName() + "' cannot be converted to Date"); + } + + public static Object getSetValue(Property property, Date value) + { + EStructuralFeature eStructuralFeature = (EStructuralFeature)property; + EClassifier eType = eStructuralFeature.getEType(); + if (value == null) + { + return eType.getDefaultValue(); + } + + String name = eType.getInstanceClassName(); + if (name == "java.lang.Object") + { + String typeName = getDateTypeName((EDataType)eType); + if ("Date".equals(typeName)) + { + return new XMLCalendar(value, XMLCalendar.DATE); + } + if ("DateTime".equals(typeName)) + { + return new XMLCalendar(value, XMLCalendar.DATETIME); + } + // Instead of throwing an IllegalArgumentException we will pass the value to the property + return value; + } + + if (name == "java.lang.Long" || name == "long") + { + return new Long(value.getTime()); + } + if (name == "java.lang.String") + { + return value.toString(); + } + + // Instead of throwing an IllegalArgumentException we will pass the value to the property + return value; + } + + protected static String getDateTypeName(EDataType eDataType) + { + String name = eDataType.getName(); + if (("DateTime".equals(name)) || ("Date".equals(name))) + { + return name; + } + + EDataType baseType = ExtendedMetaData.INSTANCE.getBaseType(eDataType); + if (baseType != null) + { + return getDateTypeName(baseType); + } + + List memberTypes = ExtendedMetaData.INSTANCE.getMemberTypes(eDataType); + if (!memberTypes.isEmpty()) + { + for (int i = 0, size = memberTypes.size(); i < size; ++i) + { + EDataType memberType = (EDataType)memberTypes.get(i); + String memberTypeName = getDateTypeName(memberType); + if (("DateTime".equals(memberTypeName)) || ("Date".equals(memberTypeName))) + { + return memberTypeName; + } + } + } + + return ""; + } + + public static double getDouble(Object value) + { + if (value instanceof Number) + { + return ((Number)value).doubleValue(); + } + + if (value instanceof String) + { + return Double.parseDouble((String)value); + } + + if (value == null) + { + return 0; + } + + throw new IllegalArgumentException("The value of type '" + value.getClass().getName() + "' cannot be converted to double"); + } + + public static Object getSetValue(Property property, double value) + { + EStructuralFeature eStructuralFeature = (EStructuralFeature)property; + String name = eStructuralFeature.getEType().getInstanceClassName(); + if (name == "java.lang.Byte" || name == "byte") + { + return new Byte((byte)value); + } + + if (name == "java.lang.Double" || name == "double") + { + return new Double(value); + } + + if (name == "java.lang.Float" || name == "float") + { + return new Float(value); + } + + if (name == "java.lang.Integer" || name == "int") + { + return new Integer((int)value); + } + + if (name == "java.lang.Long" || name == "long") + { + return new Long((long)value); + } + + if (name == "java.lang.Short" || name == "short") + { + return new Short((short)value); + } + + if (name == "java.math.BigDecimal") + { + return getBigDecimal(new Double(value)); + } + + if (name == "java.math.BigInteger") + { + return getBigInteger(new Double(value)); + } + + if (name == "java.lang.String") + { + return String.valueOf(value); + } + + //Instead of throwing an IllegalArgumentException we will pass the value to the property + return new Double(value); + } + + public static float getFloat(Object value) + { + if (value instanceof Number) + { + return ((Number)value).floatValue(); + } + + if (value instanceof String) + { + return Float.parseFloat((String)value); + } + + if (value == null) + { + return 0; + } + + throw new IllegalArgumentException("The value of type '" + value.getClass().getName() + "' cannot be converted to float"); + } + + public static Object getSetValue(Property property, float value) + { + EStructuralFeature eStructuralFeature = (EStructuralFeature)property; + String name = eStructuralFeature.getEType().getInstanceClassName(); + if (name == "java.lang.Byte" || name == "byte") + { + return new Byte((byte)value); + } + + if (name == "java.lang.Double" || name == "double") + { + return new Double(value); + } + + if (name == "java.lang.Float" || name == "float") + { + return new Float(value); + } + + if (name == "java.lang.Integer" || name == "int") + { + return new Integer((int)value); + } + + if (name == "java.lang.Long" || name == "long") + { + return new Long((long)value); + } + + if (name == "java.lang.Short" || name == "short") + { + return new Short((short)value); + } + + if (name == "java.math.BigDecimal") + { + return getBigDecimal(new Float(value)); + } + + if (name == "java.math.BigInteger") + { + return getBigInteger(new Float(value)); + } + + if (name == "java.lang.String") + { + return String.valueOf(value); + } + + // Instead of throwing an IllegalArgumentException we will pass the value to the property + return new Float(value); + } + + public static int getInt(Object value) + { + if (value instanceof Number) + { + return ((Number)value).intValue(); + } + + if (value instanceof String) + { + return Integer.parseInt((String)value); + } + + if (value == null) + { + return 0; + } + + throw new IllegalArgumentException("The value of type '" + value.getClass().getName() + "' cannot be converted to int"); + } + + public static Object getSetValue(Property property, int value) + { + EStructuralFeature eStructuralFeature = (EStructuralFeature)property; + String name = eStructuralFeature.getEType().getInstanceClassName(); + if (name == "java.lang.Byte" || name == "byte") + { + return new Byte((byte)value); + } + + if (name == "java.lang.Double" || name == "double") + { + return new Double(value); + } + + if (name == "java.lang.Float" || name == "float") + { + return new Float(value); + } + + if (name == "java.lang.Integer" || name == "int") + { + return new Integer(value); + } + + if (name == "java.lang.Long" || name == "long") + { + return new Long(value); + } + + if (name == "java.lang.Short" || name == "short") + { + return new Short((short)value); + } + + if (name == "java.math.BigDecimal") + { + return getBigDecimal(new Integer(value)); + } + + if (name == "java.math.BigInteger") + { + return getBigInteger(new Integer(value)); + } + + if (name == "java.lang.String") + { + return String.valueOf(value); + } + + // Instead of throwing an IllegalArgumentException we will pass the value to the property + return new Integer(value); + } + + public static long getLong(Object value) + { + if (value instanceof Number) + { + return ((Number)value).longValue(); + } + + if (value instanceof String) + { + return Long.parseLong((String)value); + } + + if (value instanceof Date) + { + return ((Date)value).getTime(); + } + + if (value == null) + { + return 0; + } + + throw new IllegalArgumentException("The value of type '" + value.getClass().getName() + "' cannot be converted to long"); + } + + public static Object getSetValue(Property property, long value) + { + EStructuralFeature eStructuralFeature = (EStructuralFeature)property; + String name = eStructuralFeature.getEType().getInstanceClassName(); + if (name == "java.lang.Byte" || name == "byte") + { + return new Byte((byte)value); + } + + if (name == "java.lang.Double" || name == "double") + { + return new Double(value); + } + + if (name == "java.lang.Float" || name == "float") + { + return new Float(value); + } + + if (name == "java.lang.Integer" || name == "int") + { + return new Integer((int)value); + } + + if (name == "java.lang.Long" || name == "long") + { + return new Long(value); + } + + if (name == "java.lang.Short" || name == "short") + { + return new Short((short)value); + } + + if (name == "java.math.BigDecimal") + { + return getBigDecimal(new Long(value)); + } + + if (name == "java.math.BigInteger") + { + return getBigInteger(new Long(value)); + } + + if (name == "java.lang.String") + { + return String.valueOf(value); + } + + if (name == "java.util.Date") + { + return new Date(value); + } + + // Instead of throwing an IllegalArgumentException we will pass the value to the property + return new Long(value); + } + + public static short getShort(Object value) + { + if (value instanceof Number) + { + return ((Number)value).shortValue(); + } + + if (value instanceof String) + { + return Short.parseShort((String)value); + } + + if (value == null) + { + return 0; + } + + throw new IllegalArgumentException("The value of type '" + value.getClass().getName() + "' cannot be converted to short"); + } + + public static Object getSetValue(Property property, short value) + { + EStructuralFeature eStructuralFeature = (EStructuralFeature)property; + String name = eStructuralFeature.getEType().getInstanceClassName(); + if (name == "java.lang.Byte" || name == "byte") + { + return new Byte((byte)value); + } + + if (name == "java.lang.Double" || name == "double") + { + return new Double(value); + } + + if (name == "java.lang.Float" || name == "float") + { + return new Float(value); + } + + if (name == "java.lang.Integer" || name == "int") + { + return new Integer(value); + } + + if (name == "java.lang.Long" || name == "long") + { + return new Long(value); + } + + if (name == "java.lang.Short" || name == "short") + { + return new Short(value); + } + + if (name == "java.math.BigDecimal") + { + return getBigDecimal(new Short(value)); + } + + if (name == "java.math.BigInteger") + { + return getBigInteger(new Short(value)); + } + + if (name == "java.lang.String") + { + return String.valueOf(value); + } + + // Instead of throwing an IllegalArgumentException we will pass the value to the property + return new Short(value); + } + + public static String getString(Object value) + { + if (value instanceof String) + { + return (String)value; + } + + if (value instanceof Number || value instanceof Boolean || value instanceof Character) + { + return String.valueOf(value); + } + + if (value == null) + { + return null; + } + + throw new IllegalArgumentException("The value of type '" + value.getClass().getName() + "' cannot be converted to String"); + } + + public static Object getSetValue(Property property, String value) + { + EStructuralFeature eStructuralFeature = (EStructuralFeature)property; + EClassifier eType = eStructuralFeature.getEType(); + if (value == null) + { + return eType.getDefaultValue(); + } + + String name = eType.getInstanceClassName(); + if (name == "java.lang.String") + { + return value; + } + + if (name == "java.lang.Byte" || name == "byte") + { + return Byte.valueOf(value); + } + + if (name == "java.lang.Double" || name == "double" || name == "java.lang.Number") + { + return Double.valueOf(value); + } + + if (name == "java.lang.Float" || name == "float") + { + return new Float(value); + } + + if (name == "java.lang.Integer" || name == "int") + { + return Integer.valueOf(value); + } + + if (name == "java.lang.Long" || name == "long") + { + return Long.valueOf(value); + } + + if (name == "java.lang.Short" || name == "short") + { + return Short.valueOf(value); + } + + if (name == "java.lang.Character" || name == "char") + { + return new Character(value.charAt(0)); + } + + if (name == "java.math.BigDecimal") + { + return getBigDecimal(value); + } + + if (name == "java.math.BigInteger") + { + return getBigInteger(value); + } + + if (name == "java.lang.Boolean" || name == "boolean") + { + return Boolean.valueOf(value); + } + + // Instead of throwing an IllegalArgumentException we will pass the value to the property + return value; + } + + public static EStructuralFeature getOpenFeature(EObject eObject, int featureID) + { + EClass eClass = eObject.eClass(); + int openFeatureCount = featureID - eClass.getFeatureCount(); + Set openFeatureSet = new HashSet(); + for (int i = 0, count = eClass.getEAllStructuralFeatures().size(); i < count; ++i) + { + EStructuralFeature eStructuralFeature = eClass.getEStructuralFeature(i); + if (!eStructuralFeature.isDerived() && FeatureMapUtil.isFeatureMap(eStructuralFeature)) + { + List features = (List)eObject.eGet(eStructuralFeature); + for (int j = 0, size = features.size(); j < size; ++j) + { + FeatureMap.Entry entry = (FeatureMap.Entry)features.get(j); + EStructuralFeature entryFeature = entry.getEStructuralFeature(); + if (openFeatureSet.add(entryFeature)) + { + if (--openFeatureCount < 0) return entryFeature; + } + } + } + } + throw new IndexOutOfBoundsException(); + } + + public static EStructuralFeature getOpenFeature(EObject eObject, String featureName) + { + EClass eClass = eObject.eClass(); + Set openFeatureSet = new HashSet(); + for (int i = 0, count = eClass.getEAllStructuralFeatures().size(); i < count; ++i) + { + EStructuralFeature eStructuralFeature = eClass.getEStructuralFeature(i); + if (/*!eStructuralFeature.isDerived() && */FeatureMapUtil.isFeatureMap(eStructuralFeature)) + { + List features = (List)eObject.eGet(eStructuralFeature); + for (int j = 0, size = features.size(); j < size; ++j) + { + FeatureMap.Entry entry = (FeatureMap.Entry)features.get(j); + EStructuralFeature entryFeature = entry.getEStructuralFeature(); + if (openFeatureSet.add(entryFeature)) + { + Property property = (Property)entryFeature; + if (property.getName().equals(featureName)) return entryFeature; + + List aliasNames = property.getAliasNames(); + for (int aliasCount = aliasNames.size(); aliasCount > 0; ) + { + if (aliasNames.get(--aliasCount).equals(featureName)) return entryFeature; + } + } + } + } + } + throw new IllegalArgumentException("Class '" + eObject.eClass().getName() + "' does not have a feature named '" + featureName + "'"); + } + + public static List getAliasNames(EStructuralFeature eStructuralFeature) + { + List aliasNames = new ArrayList(); + String xmlName = ExtendedMetaData.INSTANCE.getName(eStructuralFeature); + if (!xmlName.equals(eStructuralFeature.getName())) + { + aliasNames.add(xmlName); + } + return aliasNames; + } + + public static List getAliasNames(EClassifier eClassifier) + { + List aliasNames = new ArrayList(); + String xmlName = ExtendedMetaData.INSTANCE.getName(eClassifier); + if (!xmlName.equals(eClassifier.getName())) + { + aliasNames.add(xmlName); + } + return aliasNames; + } + + /** + * Process the default EMF path and minimal XPath syntax. + * This design is still under review and construction. + * + * Syntax: + * + *<pre> + * path = /? (step '/')* step + * step = feature + * | feature '.' index_from_0 + * | feature '[' index_from_1 ']' + * | reference '[' attribute '=' value ']' + * | .. + * | '@' step + *</pre> + * + * feature = the name of an attribute or reference + * attribute = the name of an attribute + * reference = the name of a reference + * index = positive integer + * value = the string value of an attribute + * leading / begins at the root + * .. is containing object + * + * features must be multi-valued to use '.' and '[' operations. + * Only the last step may have an attribute as the feature. + */ + public static final class Accessor //TODO rewrite this using SDO APIs + { + /** + * Creates an accessor for the path of the object. + */ + public static Accessor create(EObject eObject, String path) + { + Accessor result = pool.get(); + result.init(eObject, path); + return result; + } + + /** + * Only the get and recycle methods should be call; they are the only synchronized methods. + */ + protected static class Pool extends BasicEList + { + protected Accessor[] accessors; + + public Pool() + { + super(10); + } + + protected Object[] newData(int capacity) + { + return accessors = new Accessor [capacity]; + } + + /** + * Returns a recyled instance or a new instance. + */ + public synchronized Accessor get() + { + if (size > 0) + { + return accessors[--size]; + } + else + { + return new Accessor(); + } + } + + /** Safely gives the accessor back for recycled use. + */ + public synchronized void recycle(Accessor accessor) + { + int minimumCapacity = size + 1; + if (minimumCapacity > data.length) + { + grow(minimumCapacity); + } + accessors[size++] = accessor; + } + } + + /** + * A static thread safe pool of Accessors. + */ + static final Pool pool = new Pool(); + + protected static final int NO_INDEX = -1; + + protected EObject eObject; + + protected EStructuralFeature feature; + + protected int index; + + protected Accessor() + { + } + + protected Accessor(EObject eObject, String path) + { + init(eObject, path); + } + + protected void init(EObject eObject, String path) + { + this.eObject = eObject; + + // This should only be called with a path right now. + // + //feature = getType(eObject).getProperty(path).getEStructuralFeature(); + //if (feature == null) + { + process(path); + } + //else + { + //index = NO_INDEX; + } + } + + public Object get() + { + if (feature == null) + { + return eObject; + } + else + { + Object value = eObject.eGet(feature, true); + if (index >= 0) + { + value = ((List)value).get(index); + if (value instanceof FeatureMap.Entry) + { + value = ((FeatureMap.Entry)value).getValue(); + } + } + else if (FeatureMapUtil.isFeatureMap(feature)) + { + value = new BasicSequence((FeatureMap.Internal)value); + } + return value; + } + } + + public Object getAndRecyle() + { + Object result = get(); + pool.recycle(this); + return result; + } + + public void set(Object newValue) + { + if (index >= 0) + { + List list = (List)eObject.eGet(feature, true); + list.set(index, newValue); + } + else + { + // EATM newValue = string2Enum(feature, newValue); + eObject.eSet(feature, newValue); + } + } + + public void setAndRecyle(Object newValue) + { + set(newValue); + pool.recycle(this); + } + + public boolean isSet() + { + return eObject.eIsSet(feature); + } + + public boolean isSetAndRecyle() + { + boolean result = isSet(); + pool.recycle(this); + return result; + } + + public void unset() + { + eObject.eUnset(feature); + } + + public void unsetAndRecyle() + { + unset(); + pool.recycle(this); + } + + public void recycle() + { + pool.recycle(this); + } + + public EObject getEObject() + { + return eObject; + } + + protected void setEObject(EObject eObject) + { + this.eObject = eObject; + feature = null; + index = NO_INDEX; + } + + public EStructuralFeature getEStructuralFeature() + { + return feature; + } + + public Property getProperty() + { + return (Property)feature; + } + + protected void setFeatureName(String name) + { + if (name != null) + { + feature = (EStructuralFeature)((DataObject)eObject).getProperty(name); + } + else + { + feature = null; + } + index = NO_INDEX; + } + + protected int getIndex() + { + return index; + } + + protected void setIndex(int index) + { + this.index = index; + if (!FeatureMapUtil.isMany(eObject, feature)) + { + throw new IndexOutOfBoundsException("Index applies only to multi-valued features."); + } + } + + protected void process(String pathString) + { + TokenList tokens = new TokenList(pathString.toCharArray()); + String token; + int size = tokens.size(); + int x = 0; + + if ("/".equals(tokens.peek(0))) + { + setEObject(EcoreUtil.getRootContainer(eObject)); + x++; + } + + for (; x < size; x++) + { + token = tokens.peek(x); + char c = token.charAt(0); + if ('/' == c) + { + setEObject((EObject)get()); + } + else if ("..".equals(token)) + { + EObject container = eObject.eContainer(); + if (container == null) + { + throw new IllegalArgumentException("No containing object for " + eObject); + } + setEObject(container); + } + else if ('.' == c) + { + x++; // skip . + token = tokens.peek(x); + int index = Integer.parseInt(token); + setIndex(index); + } + else if ('[' == c) + { + x++; // skip [ + token = tokens.peek(x); // name or index + char following = tokens.peek(x + 1).charAt(0); + if ('=' != following) + { + int index = Integer.parseInt(token) - 1; + setIndex(index); + x++; // skip ] + } + else + { + x++; // done name + x++; // skip = + String attributeValue = tokens.peek(x); // value + if ("\"".equals(attributeValue)) + { + x++; // skip " + attributeValue = tokens.peek(++x); + } + x++; // skip ] + int index = matchingIndex((List)get(), token, attributeValue); + if (index < 0) + { + setEObject(null); + } + else + { + setIndex(index); + } + } + } + else if ('@' == c) + { + x++; // skip @ + } + else + { + setFeatureName(token); + } + } + } + + protected static int matchingIndex(List eObjects, String attributeName, String attributeValue) + { + for (int i = 0, size = eObjects.size(); i < size; i++) + { + EObject eObject = (EObject)eObjects.get(i); + EStructuralFeature feature = (EStructuralFeature)((Type)eObject.eClass()).getProperty(attributeName); + if (feature != null) + { + Object test = eObject.eGet(feature, true); + if (test != null) + { + String testString = EcoreUtil.convertToString((EDataType)feature.getEType(), test); + if (attributeValue.equals(testString)) + { + return i; + } + } + } + } + return -1; + } + + protected static class TokenList extends BasicEList + { + public TokenList(char[] path) + { + super(4); + + int pathLength = path.length; + StringBuffer token = new StringBuffer(); + char cPrev; + char c = 0; + char cNext; + char stringConstant = 0; + for (int pos = 0; pos < pathLength; pos++) + { + cPrev = c; + c = path[pos]; + cNext = pos < pathLength - 1 ? path[pos + 1] : 0; + + if (stringConstant != 0) + { + if (c == stringConstant) + { + endToken(token, true); + stringConstant = 0; + } + else + { + token.append(c); + } + } + else + { + switch (c) + { + case ' ': + case 0xA: + case 0xD: + case 0x9: + if (cPrev != ' ') + { + endToken(token, false); + } + c = ' '; + break; + + case '"': + case '\'': + endToken(token, false); + stringConstant = c; + break; + + // double or single tokens + case '/': + case ':': + case '.': + if (cPrev != c) + { + endToken(token, false); + } + token.append(c); + if (cNext != c) + { + endToken(token, false); + } + break; + + // single tokens + case '*': + case '@': + case '[': + case ']': + case '(': + case ')': + case '|': + endToken(token, false); + add(String.valueOf(c)); + break; + + // TODO: < > <= >= + - != + case '!': + endToken(token, false); + token.append(c); + break; + + case '=': + endToken(token, false); + add(String.valueOf(c)); + break; + + default: + token.append(c); + } + } + } + endToken(token, false); + } + + public String peek() + { + return size > 0 ? (String)data[0] : " "; + } + + public String peek(int index) + { + return index < size ? (String)data[index] : " "; + } + + public TokenList pop() + { + remove(0); + return this; + } + + public TokenList pop(int count) + { + while (count-- > 0) + { + remove(count); + } + return this; + } + + protected void endToken(StringBuffer token, boolean includeEmpty) + { + if (includeEmpty || token.length() > 0) + { + add(token.toString()); + } + token.setLength(0); + } + + protected boolean canContainNull() + { + return false; + } + + protected Object[] newData(int capacity) + { + return new String [capacity]; + } + } + + public String toString() + { + StringBuffer result = new StringBuffer("Accessor (object:"); + result.append(eObject == null ? "null" : eObject.toString()); + result.append(", feature:"); + result.append(feature == null ? "null" : feature.getName()); + result.append(", index:"); + result.append(index); + result.append(")"); + return result.toString(); + } + } + + public static Type getType(DataObject dataObject, String namespaceURI, String typeName) + { + DataGraph dataGraph = dataObject.getDataGraph(); + if (dataGraph != null) + { + return dataGraph.getType(namespaceURI, typeName); + } + else + { + //TODO think about where else to find the type + return TypeHelper.INSTANCE.getType(namespaceURI, typeName); + } + } + + public static Property getProperty(DataObject dataObject, String propertyName) + { + Property property = dataObject.getProperty(propertyName); + if (property == null) + { + throw new IllegalArgumentException("Type '" + dataObject.getType().getName() + "' does not have a property named '" + propertyName + "'"); + } + + return property; + } + + public static Property getProperty(DataObject dataObject, int propertyIndex) + { + List typeProperties = dataObject.getType().getProperties(); + + Property property = propertyIndex < typeProperties.size() ? + (Property)typeProperties.get(propertyIndex) : + (Property)dataObject.getInstanceProperties().get(propertyIndex); + + //FB maybe should catch bad index exception and throw IllegalArgumentException? + return property; + } + + public static Property getContainmentProperty(Property property) + { + if (property.isContainment()) + { + return property; + } + throw new IllegalArgumentException("The property '" + property.getName() + "' of '" + property.getContainingType().getName() + + "' isn't a containment"); + } + + public static DataObject create(Type type) + { + return (DataObject)EcoreUtil.create((EClass)type); + } + + public static ResourceSet createResourceSet() + { + ResourceSet result = new ResourceSetImpl(); + configureResourceSet(result); + return result; + } + + protected static Map registrations; + + protected static Map getRegistrations() + { + if (registrations == null) + { + Map result = new HashMap(); + + if (!(Resource.Factory.Registry.INSTANCE.getFactory(URI.createURI("*.datagraph")) instanceof DataGraphResourceFactoryImpl)) + { + result.put("datagraph", new DataGraphResourceFactoryImpl()); + } + if (!(Resource.Factory.Registry.INSTANCE.getFactory(URI.createURI("*.ecore")) instanceof EcoreResourceFactoryImpl)) + { + result.put("ecore", new EcoreResourceFactoryImpl()); + } + + if (!(Resource.Factory.Registry.INSTANCE.getFactory(URI.createURI("*.emof")) instanceof EMOFResourceFactoryImpl)) + { + result.put("emof", new EMOFResourceFactoryImpl()); + } + + if (Resource.Factory.Registry.INSTANCE.getFactory(URI.createURI("*.xsd")) == null) + { + result.put("xsd", new XSDResourceFactoryImpl()); + } + + //FIXME ClassCastException in XSDHelper.define() if you give it a WSDL file + // Patch for JIRA TUSCANY-42 + if (Resource.Factory.Registry.INSTANCE.getFactory(URI.createURI("*.wsdl")) == null) + { + result.put("wsdl", new XSDResourceFactoryImpl()); + } + + if (Resource.Factory.Registry.INSTANCE.getFactory(URI.createURI("*.*")) == null) + { + result.put("*", new XMLResourceFactoryImpl()); + } + + registrations = result; + } + + return registrations; + } + + protected static void configureResourceSet(ResourceSet resourceSet) + { + resourceSet.getResourceFactoryRegistry().getExtensionToFactoryMap().putAll(getRegistrations()); + } + + /** + * Configure EMF to support the SDO runtime by registering a specialized Ecore factory, SDOEcoreFactory. + * This static initializion must run before any SDO metadata is created or loaded. + * As long as SDO helper classes (e.g., TypeHelper, XMLHelper, etc.) are accessed though their + * corresponding INSTANCE fields (e.g., TypeHelper.INSTANCE), or using the SDOUtil methods (e.g., + * SDOUtil.createTypeHelper(), this will always be the case. + */ + static + { + EPackage.Registry.INSTANCE.put(EcorePackage.eNS_URI, new EPackage.Descriptor() + { + public EPackage getEPackage() + { + return EcorePackage.eINSTANCE; + } + + public EFactory getEFactory() + { + return new SDOFactoryImpl.SDOEcoreFactory(); + } + }); + } + + public static void initRuntime() + { + // NOOP since init is done during static initialization of this class. See above. + } + +} |