diff options
Diffstat (limited to 'das-java/contrib/ldap/das.ldap/src/main/java/org/apache/tuscany/das/ldap/emf/read')
4 files changed, 757 insertions, 0 deletions
diff --git a/das-java/contrib/ldap/das.ldap/src/main/java/org/apache/tuscany/das/ldap/emf/read/EDataGraphReader.java b/das-java/contrib/ldap/das.ldap/src/main/java/org/apache/tuscany/das/ldap/emf/read/EDataGraphReader.java new file mode 100644 index 0000000000..9add9b7677 --- /dev/null +++ b/das-java/contrib/ldap/das.ldap/src/main/java/org/apache/tuscany/das/ldap/emf/read/EDataGraphReader.java @@ -0,0 +1,131 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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.das.ldap.emf.read; + +import java.util.Hashtable; +import java.util.List; +import java.util.Map; + +import javax.naming.NamingException; +import javax.naming.directory.Attributes; +import javax.naming.ldap.LdapContext; + +import org.apache.directory.shared.ldap.exception.LdapNameNotFoundException; +import org.apache.tuscany.das.ldap.constants.DASConstants; +import org.apache.tuscany.das.ldap.util.QualifiedNameNormalizer; +import org.apache.tuscany.das.ldap.util.SimpleTypeNamespaceQualifier; +import org.eclipse.emf.ecore.EAttribute; +import org.eclipse.emf.ecore.EClass; +import org.eclipse.emf.ecore.EReference; +import org.eclipse.emf.ecore.EStructuralFeature; +import org.eclipse.emf.ecore.resource.Resource; +import org.eclipse.emf.ecore.sdo.EDataGraph; +import org.eclipse.emf.ecore.sdo.EDataObject; +import org.eclipse.emf.ecore.sdo.SDOFactory; + +public class EDataGraphReader +implements DASConstants +{ + public static EDataGraph read( + EClass rootDataObjectEClass, + String id, + LdapContext rootContext, + Map<EDataObject, String> dataObjectToRelativeDNCache) + throws NamingException, LdapNameNotFoundException + { + EDataGraph eDataGraph = + SDOFactory.eINSTANCE.createEDataGraph(); + + String namespaceURI = + rootDataObjectEClass.getEPackage(). + getNsURI(); + + EAttribute idEAttribute = + rootDataObjectEClass.getEIDAttribute(); + + String qualifiedIDEAttributeName = + SimpleTypeNamespaceQualifier. + qualify( + namespaceURI, + rootDataObjectEClass.getName(), + idEAttribute.getName() ); + + String normalizedIDEAttributeName = + QualifiedNameNormalizer. + normalize(qualifiedIDEAttributeName); + + String eDataObjectRDN = + normalizedIDEAttributeName + "=" + id; + + LdapContext eDataObjectContext = + (LdapContext) + rootContext. + lookup(eDataObjectRDN); + + Attributes attributes = + rootContext. + getAttributes(eDataObjectRDN); + + Map<EDataObject, Map<EStructuralFeature, List<String>>> crossReferenceIDCache = + new Hashtable<EDataObject, Map<EStructuralFeature, List<String>>>(); + + EDataObject rootDataObject = + EDataGraphReaderHelper. + restoreEDataObject( + crossReferenceIDCache, + rootDataObjectEClass, + namespaceURI, + attributes); + + String relativeDN = + EDataGraphReaderHelper.calculateRelativeDN( + rootContext, + eDataObjectContext); + + dataObjectToRelativeDNCache. + put(rootDataObject, relativeDN); + + List<EReference> eReferences = + rootDataObjectEClass.getEAllContainments(); + + if (rootDataObjectEClass.getEAllContainments().size() > 0) + { + EDataGraphReaderHelper. + addContainmentDataObjects( + crossReferenceIDCache, + dataObjectToRelativeDNCache, + rootDataObject, + attributes, + namespaceURI, + eDataObjectContext, + rootContext); + } + + eDataGraph.setERootObject(rootDataObject); + + Resource resource = eDataGraph.getRootResource(); + + EDataGraphReaderHelper.restoreCrossReferences( + crossReferenceIDCache, + resource); + + return eDataGraph; + } +}
\ No newline at end of file diff --git a/das-java/contrib/ldap/das.ldap/src/main/java/org/apache/tuscany/das/ldap/emf/read/EDataGraphReaderHelper.java b/das-java/contrib/ldap/das.ldap/src/main/java/org/apache/tuscany/das/ldap/emf/read/EDataGraphReaderHelper.java new file mode 100644 index 0000000000..1496d91dab --- /dev/null +++ b/das-java/contrib/ldap/das.ldap/src/main/java/org/apache/tuscany/das/ldap/emf/read/EDataGraphReaderHelper.java @@ -0,0 +1,365 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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.das.ldap.emf.read; + +import java.util.ArrayList; +import java.util.Hashtable; +import java.util.List; +import java.util.Map; + +import javax.naming.NamingEnumeration; +import javax.naming.NamingException; +import javax.naming.directory.Attribute; +import javax.naming.directory.Attributes; +import javax.naming.ldap.LdapContext; + +import org.apache.tuscany.das.ldap.constants.DASConstants; +import org.apache.tuscany.das.ldap.util.QualifiedNameNormalizer; +import org.apache.tuscany.das.ldap.util.SimpleTypeNamespaceQualifier; +import org.eclipse.emf.common.util.BasicEList; +import org.eclipse.emf.common.util.EList; +import org.eclipse.emf.ecore.EAttribute; +import org.eclipse.emf.ecore.EClass; +import org.eclipse.emf.ecore.EReference; +import org.eclipse.emf.ecore.EStructuralFeature; +import org.eclipse.emf.ecore.impl.EClassImpl; +import org.eclipse.emf.ecore.resource.Resource; +import org.eclipse.emf.ecore.sdo.EDataObject; + +public class EDataGraphReaderHelper +implements DASConstants +{ + public static String calculateRelativeDN( + LdapContext containerContext, + LdapContext dataObjectContext) throws NamingException + { + String containerDN = containerContext.getNameInNamespace(); + String dataObjectDN = dataObjectContext.getNameInNamespace(); + + int beginIndex = 0; + int endIndex = + dataObjectDN.length() - containerDN.length() - 1; + + String result = + dataObjectDN.substring( + beginIndex, + endIndex); + + return result; + } + + + public static EDataObject restoreEDataObject( + Map<EDataObject, Map<EStructuralFeature, List<String>>> crossReferenceIDCache, + EClass eClass, + String namespaceURI, + Attributes attributes) + throws NamingException + { + EDataObject eDataObject = + (EDataObject) + eClass.getEPackage(). + getEFactoryInstance(). + create(eClass); + + EDataObjectReaderHelper. + restoreEAttributes( + eClass, + eDataObject, + namespaceURI, + attributes ); + + EStructuralFeature[] eCrossReferences = + ((EClassImpl.FeatureSubsetSupplier) + eDataObject. + eClass(). + getEAllStructuralFeatures()). + crossReferences(); + + if (eCrossReferences != null) + { + Map<EStructuralFeature, List<String>> eReferenceToEObjectIDs = + new Hashtable<EStructuralFeature, List<String>>(); + + for (EStructuralFeature eReference : eCrossReferences) + { + String qualifiedEReferenceName = + SimpleTypeNamespaceQualifier. + qualify( + namespaceURI, + eClass.getName(), + eReference.getName() ); + + String normalizedEReferenceName = + QualifiedNameNormalizer. + normalize(qualifiedEReferenceName); + + if (eReference.isMany()) + { + List<String> idList = + new ArrayList<String>(); + + Attribute eReferenceAttribute = + attributes.get(normalizedEReferenceName); + + NamingEnumeration namingEnumeration = + eReferenceAttribute.getAll(); + + while (namingEnumeration.hasMore()) + { + String id = (String) namingEnumeration.next(); + idList.add(id); + eReferenceToEObjectIDs.put(eReference, idList); + } + } + else + { + List<String> idList = + new ArrayList<String>(); + + String value = + (String) + attributes. + get(normalizedEReferenceName). + get(); + + idList.add(value); + eReferenceToEObjectIDs.put(eReference, idList); + } + crossReferenceIDCache.put( + eDataObject, + eReferenceToEObjectIDs); + } + } + return eDataObject; + } + + public static void restoreCrossReferences( + Map<EDataObject, Map<EStructuralFeature, List<String>>> crossReferenceIDCache, + Resource resource) + { + for (EDataObject eDataObject : crossReferenceIDCache.keySet()) + { + Map<EStructuralFeature, List<String>> eReferenceToIDListMap = + crossReferenceIDCache.get(eDataObject); + + for (EStructuralFeature eStructuralFeature : eReferenceToIDListMap.keySet()) + { + if (eStructuralFeature.isMany()) + { + List<String> eReferenceIDs = + eReferenceToIDListMap. + get(eStructuralFeature); + + EList<EDataObject> multiplicityManyList = null; + if (eReferenceIDs.size() > 0) + { + multiplicityManyList = + new BasicEList<EDataObject>(); + } + for (String eReferenceID : eReferenceIDs) + { + Object referencedDataObject = resource.getEObject(eReferenceID); + multiplicityManyList.add((EDataObject) referencedDataObject); + eDataObject.eSet( + eStructuralFeature, + multiplicityManyList); + } + } + else + { + String eReferenceID = + eReferenceToIDListMap. + get(eStructuralFeature). + get(0); + + Object referencedDataObject = resource.getEObject(eReferenceID); + eDataObject.eSet( + eStructuralFeature, + referencedDataObject); + } + } + } + } + + public static void addContainmentDataObjects( + Map crossReferenceIDCache, + Map<EDataObject, String> dataObjectToRelativeDNCache, + EDataObject containerDataObject, + Attributes attributes, + String namespaceURI, + LdapContext eDataObjectContext, + LdapContext rootContext) throws NamingException + { + EClass eClass = + containerDataObject.eClass(); + + List<EReference> eReferences = + eClass.getEAllContainments(); + + for (EReference eReference : eReferences) + { + String qualifiedEReferenceName = + SimpleTypeNamespaceQualifier. + qualify( + namespaceURI, + eClass.getName(), + eReference.getName() ); + + String normalizedReferenceName = + QualifiedNameNormalizer. + normalize(qualifiedEReferenceName); + + Attribute attribute = + attributes. + get(normalizedReferenceName); + + if (attribute.size() > 0) + { + LdapContext eReferenceContainmentContext = + (LdapContext) + eDataObjectContext. + lookup("cn=" + eReference.getName()); + + EClass eReferenceType = + (EClass) eReference.getEType(); + + EAttribute eReferenceTypeEIDAttribute = + eReferenceType.getEIDAttribute(); + + String qualifiedEReferenceTypeIDEAttributeName = + SimpleTypeNamespaceQualifier. + qualify( + namespaceURI, + eReferenceType.getName(), + eReferenceTypeEIDAttribute.getName() ); + + String normalizedReferenceTypeEIDAttributeName = + QualifiedNameNormalizer. + normalize(qualifiedEReferenceTypeIDEAttributeName); + + if (eReference.isMany()) + { + EList<EDataObject> containmentList = + new BasicEList<EDataObject>(); + + NamingEnumeration idNamingEnumeration = + attribute.getAll(); + + while(idNamingEnumeration.hasMore()) + { + String containedDataObjectID = + (String) idNamingEnumeration.next(); + + String containedDataObjectEntryRDN = + normalizedReferenceTypeEIDAttributeName + + "=" + containedDataObjectID; + + Attributes eReferenceAttributes = + eReferenceContainmentContext. + getAttributes(containedDataObjectEntryRDN); + + + EDataObject eReferenceDataObject = + EDataGraphReaderHelper. + restoreEDataObject( + crossReferenceIDCache, + eReferenceType, + namespaceURI, + eReferenceAttributes); + + //TODO Consider using aspects + String relativeDN = + calculateRelativeDN( + rootContext, + (LdapContext) + eReferenceContainmentContext. + lookup(containedDataObjectEntryRDN)); + dataObjectToRelativeDNCache.put(eReferenceDataObject, relativeDN); + //End of Aspect + + containmentList.add(eReferenceDataObject); + + if (eReferenceDataObject.eClass().getEAllContainments().size() > 0) + { + addContainmentDataObjects( + crossReferenceIDCache, + dataObjectToRelativeDNCache, + eReferenceDataObject, + eReferenceAttributes, + namespaceURI, + (LdapContext) eReferenceContainmentContext. + lookup(containedDataObjectEntryRDN), + rootContext); + } + } + containerDataObject.eSet(eReference, containmentList); + } + else + { + String containedDataObjectID = + (String) attribute.get(); + + String containedDataObjectEntryRDN = + normalizedReferenceTypeEIDAttributeName + + "=" + containedDataObjectID; + + Attributes eReferenceAttributes = + eReferenceContainmentContext. + getAttributes(containedDataObjectEntryRDN); + + EDataObject eReferenceDataObject = + EDataGraphReaderHelper. + restoreEDataObject( + crossReferenceIDCache, + eReferenceType, + namespaceURI, + eReferenceAttributes); + + //TODO Consider using aspects + String relativeDN = + calculateRelativeDN( + rootContext, + (LdapContext) + eReferenceContainmentContext. + lookup(containedDataObjectEntryRDN)); + + dataObjectToRelativeDNCache.put(eReferenceDataObject, relativeDN); + //End of Aspect + + containerDataObject.eSet(eReference, eReferenceDataObject); + + if (eReferenceDataObject.eClass().getEAllContainments().size() > 0) + { + addContainmentDataObjects( + crossReferenceIDCache, + dataObjectToRelativeDNCache, + eReferenceDataObject, + eReferenceAttributes, + namespaceURI, + (LdapContext) eReferenceContainmentContext. + lookup(containedDataObjectEntryRDN), + rootContext); + } + } + } + } + } +}
\ No newline at end of file diff --git a/das-java/contrib/ldap/das.ldap/src/main/java/org/apache/tuscany/das/ldap/emf/read/EDataObjectReader.java b/das-java/contrib/ldap/das.ldap/src/main/java/org/apache/tuscany/das/ldap/emf/read/EDataObjectReader.java new file mode 100644 index 0000000000..0c812f4bfc --- /dev/null +++ b/das-java/contrib/ldap/das.ldap/src/main/java/org/apache/tuscany/das/ldap/emf/read/EDataObjectReader.java @@ -0,0 +1,100 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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.das.ldap.emf.read; + +import javax.naming.NamingException; +import javax.naming.directory.Attributes; +import javax.naming.ldap.LdapContext; + +import org.apache.tuscany.das.ldap.constants.DASConstants; +import org.apache.tuscany.das.ldap.util.QualifiedNameNormalizer; +import org.apache.tuscany.das.ldap.util.SimpleTypeNamespaceQualifier; +import org.eclipse.emf.ecore.EAttribute; +import org.eclipse.emf.ecore.EClass; +import org.eclipse.emf.ecore.sdo.EDataObject; + +public class EDataObjectReader +implements DASConstants +{ + /** + * Read. + * + * @param eClass the e class + * @param id the id + * @param containerContext the container context + * + * @return the e data object + * + * @throws NamingException the naming exception + * + * Note that this is more of a utility, as only this class's + * helper is used in restoring the EDataGraph. + */ + public static EDataObject read( + EClass eClass, + String id, + LdapContext containerContext) + throws NamingException + { + String namespaceURI = + eClass.getEPackage(). + getNsURI(); + + EAttribute idEAttribute = + eClass.getEIDAttribute(); + + String qualifiedIDEAttributeName = + SimpleTypeNamespaceQualifier. + qualify( + namespaceURI, + eClass.getName(), + idEAttribute.getName() ); + + String normalizedIDEAttributeName = + QualifiedNameNormalizer. + normalize(qualifiedIDEAttributeName); + + String eDataObjectRDN = + normalizedIDEAttributeName + "=" + id; + + LdapContext eDataObjectContext = + (LdapContext) + containerContext. + lookup(eDataObjectRDN); + + Attributes attributes = + eDataObjectContext.getAttributes(""); + + EDataObject eDataObject = + (EDataObject) + eClass.getEPackage(). + getEFactoryInstance(). + create(eClass); + + EDataObjectReaderHelper. + restoreEAttributes( + eClass, + eDataObject, + namespaceURI, + attributes ); + + return eDataObject; + } +}
\ No newline at end of file diff --git a/das-java/contrib/ldap/das.ldap/src/main/java/org/apache/tuscany/das/ldap/emf/read/EDataObjectReaderHelper.java b/das-java/contrib/ldap/das.ldap/src/main/java/org/apache/tuscany/das/ldap/emf/read/EDataObjectReaderHelper.java new file mode 100644 index 0000000000..2fa6321a65 --- /dev/null +++ b/das-java/contrib/ldap/das.ldap/src/main/java/org/apache/tuscany/das/ldap/emf/read/EDataObjectReaderHelper.java @@ -0,0 +1,161 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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.das.ldap.emf.read; + +import java.util.List; + +import javax.naming.NamingException; +import javax.naming.directory.Attribute; +import javax.naming.directory.Attributes; + +import org.apache.tuscany.das.ldap.constants.DASConstants; +import org.apache.tuscany.das.ldap.util.QualifiedNameNormalizer; +import org.apache.tuscany.das.ldap.util.SimpleTypeNamespaceQualifier; +import org.eclipse.emf.common.util.BasicEList; +import org.eclipse.emf.common.util.EList; +import org.eclipse.emf.ecore.EAttribute; +import org.eclipse.emf.ecore.EClass; +import org.eclipse.emf.ecore.sdo.EDataObject; +import org.eclipse.emf.ecore.util.EcoreUtil; + +public class EDataObjectReaderHelper +implements DASConstants +{ + public static void restoreEAttributes( + EClass eClass, + EDataObject eDataObject, + String namespaceURI, + Attributes attributes) + throws NamingException + { + List<EAttribute> eAttributes = + eClass.getEAllAttributes(); + + for (EAttribute eAttribute : eAttributes) + { + String qualifiedEAttributeName = + SimpleTypeNamespaceQualifier. + qualify( + namespaceURI, + eClass.getName(), + eAttribute.getName() ); + + String normalizedEAttributeName = + QualifiedNameNormalizer. + normalize(qualifiedEAttributeName); + + if (eAttribute.isMany()) + { + EList<Object> values = + new BasicEList<Object>(); + + Attribute attribute = + attributes. + get(normalizedEAttributeName); + + for (int i = 0; i < attribute.size(); i++) + { + String value = (String) attribute.get(i); + + values.add(EcoreUtil.createFromString( + eAttribute.getEAttributeType(), + value)); + } + + eDataObject.eSet( + eAttribute, values); + } + else + { + String value = + (String) + attributes. + get(normalizedEAttributeName). + get(); + + eDataObject.eSet( + eAttribute, + EcoreUtil.createFromString( + eAttribute.getEAttributeType(), + value)); + } + } + } + + + //TODO Test all of these verifying that we get out what we put in + //TODO Move to helper + //TODO Note that we are using eDataObject.eSet(eAttribute, EcoreUtil.createFromString(eAttribute.getEAttributeType(), value)); instead + /* + public static void setEDataObjectFeature( + EDataObject eDataObject, + String value, + EAttribute eAttribute) + { + if (eAttribute.getEType() == EcorePackage.eINSTANCE.getEString()) + { + eDataObject.eSet(eAttribute, value); + } + else if ( + eAttribute.getEType() == EcorePackage.eINSTANCE.getEInt() || + eAttribute.getEType() == EcorePackage.eINSTANCE.getEIntegerObject()) + { + eDataObject.eSet(eAttribute, new Integer(value)); + } + else if (eAttribute.getEType() == EcorePackage.eINSTANCE.getEBoolean() || + eAttribute.getEType() == EcorePackage.eINSTANCE.getEBooleanObject()) + { + eDataObject.eSet(eAttribute, new Boolean(value)); + } + else if (eAttribute.getEType() == EcorePackage.eINSTANCE.getEFloat() || + eAttribute.getEType() == EcorePackage.eINSTANCE.getEFloatObject()) + { + eDataObject.eSet(eAttribute, new Float(value)); + } + else if (eAttribute.getEType() == EcorePackage.eINSTANCE.getEDouble() || + eAttribute.getEType() == EcorePackage.eINSTANCE.getEDoubleObject()) + { + eDataObject.eSet(eAttribute, new Double(value)); + } + else if (eAttribute.getEType() == EcorePackage.eINSTANCE.getEBigDecimal()) + { + eDataObject.eSet(eAttribute, new BigDecimal(value)); + } + else if (eAttribute.getEType() == EcorePackage.eINSTANCE.getEBigInteger() ) + { + eDataObject.eSet(eAttribute, new BigInteger(value)); + } + else if (eAttribute.getEType() == EcorePackage.eINSTANCE.getEByte() || + eAttribute.getEType() == EcorePackage.eINSTANCE.getEByteObject()) + { + eDataObject.eSet(eAttribute, new Byte(value)); + } + else if (eAttribute.getEType() == EcorePackage.eINSTANCE.getEByte() || + eAttribute.getEType() == EcorePackage.eINSTANCE.getEByteObject()) + { + eDataObject.eSet(eAttribute, new Byte(value)); + } + else if (eAttribute.getEType() == EcorePackage.eINSTANCE.getEByteArray()) + { + throw new RuntimeException("Sorry - ByteArrays are not supported."); + } + } + */ +}
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