| /******************************************************************************* |
| * Copyright (c) 2009, 2010 Oracle. All rights reserved. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v1.0, which accompanies this distribution |
| * and is available at http://www.eclipse.org/legal/epl-v10.html. |
| * |
| * Contributors: |
| * Oracle - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.jpt.jpa.core.internal.resource.java.binary; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.ListIterator; |
| import java.util.Vector; |
| import org.eclipse.jdt.core.IAnnotation; |
| import org.eclipse.jdt.core.IField; |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jdt.core.IMethod; |
| import org.eclipse.jdt.core.IType; |
| import org.eclipse.jdt.core.JavaModelException; |
| import org.eclipse.jdt.core.Signature; |
| import org.eclipse.jpt.common.core.internal.utility.jdt.JPTTools; |
| import org.eclipse.jpt.common.utility.MethodSignature; |
| import org.eclipse.jpt.common.utility.internal.ClassName; |
| import org.eclipse.jpt.common.utility.internal.NameTools; |
| import org.eclipse.jpt.common.utility.internal.StringTools; |
| import org.eclipse.jpt.common.utility.internal.iterators.CloneIterator; |
| import org.eclipse.jpt.common.utility.internal.iterators.CloneListIterator; |
| import org.eclipse.jpt.jpa.core.JptJpaCorePlugin; |
| import org.eclipse.jpt.jpa.core.jpa2.resource.java.Access2_0Annotation; |
| import org.eclipse.jpt.jpa.core.resource.java.AccessType; |
| import org.eclipse.jpt.jpa.core.resource.java.Annotation; |
| import org.eclipse.jpt.jpa.core.resource.java.JavaResourcePersistentAttribute; |
| import org.eclipse.jpt.jpa.core.resource.java.JavaResourcePersistentType; |
| |
| /** |
| * binary persistent attribute (field or property) |
| */ |
| final class BinaryPersistentAttribute |
| extends BinaryPersistentMember |
| implements JavaResourcePersistentAttribute |
| { |
| private int modifiers; |
| |
| private String typeName; |
| |
| private boolean typeIsInterface; |
| |
| private boolean typeIsEnum; |
| |
| private final Vector<String> typeSuperclassNames = new Vector<String>(); |
| |
| private final Vector<String> typeInterfaceNames = new Vector<String>(); |
| |
| private final Vector<String> typeTypeArgumentNames = new Vector<String>(); |
| |
| |
| BinaryPersistentAttribute(JavaResourcePersistentType parent, IField field) { |
| this(parent, new FieldAdapter(field)); |
| } |
| |
| BinaryPersistentAttribute(JavaResourcePersistentType parent, IMethod method) { |
| this(parent, new MethodAdapter(method)); |
| } |
| |
| private BinaryPersistentAttribute(JavaResourcePersistentType parent, Adapter adapter) { |
| super(parent, adapter); |
| this.modifiers = this.buildModifiers(); |
| this.typeName = this.buildTypeName(); |
| |
| IType type = this.getType(); // shouldn't be an array... |
| this.typeIsInterface = this.buildTypeIsInterface(type); |
| this.typeIsEnum = this.buildTypeIsEnum(type); |
| this.typeSuperclassNames.addAll(this.buildTypeSuperclassNames(type)); |
| this.typeInterfaceNames.addAll(this.buildTypeInterfaceNames(type)); |
| |
| this.typeTypeArgumentNames.addAll(this.buildTypeTypeArgumentNames()); |
| } |
| |
| |
| // ******** overrides ******** |
| |
| @Override |
| public void update() { |
| super.update(); |
| this.setModifiers(this.buildModifiers()); |
| this.setTypeName(this.buildTypeName()); |
| |
| IType type = this.getType(); // shouldn't be an array... |
| this.setTypeIsInterface(this.buildTypeIsInterface(type)); |
| this.setTypeIsEnum(this.buildTypeIsEnum(type)); |
| this.setTypeSuperclassNames(this.buildTypeSuperclassNames(type)); |
| this.setTypeInterfaceNames(this.buildTypeInterfaceNames(type)); |
| |
| this.setTypeTypeArgumentNames(this.buildTypeTypeArgumentNames()); |
| } |
| |
| @Override |
| public void toString(StringBuilder sb) { |
| sb.append(this.getName()); |
| } |
| |
| |
| // ********** BinaryPersistentMember implementation ********** |
| |
| private Adapter getAdapter() { |
| return (Adapter) this.adapter; |
| } |
| |
| @Override |
| Iterator<String> validAnnotationNames() { |
| return this.getAnnotationProvider().attributeAnnotationNames(); |
| } |
| |
| @Override |
| Annotation buildAnnotation(IAnnotation jdtAnnotation) { |
| return this.getAnnotationProvider().buildAttributeAnnotation(this, jdtAnnotation); |
| } |
| |
| Annotation buildNullAnnotation_(String annotationName) { |
| return this.getAnnotationProvider().buildNullAttributeAnnotation(this, annotationName); |
| } |
| |
| |
| // ********** JavaResourcePersistentAttribute implementation ********** |
| |
| @Override |
| public JavaResourcePersistentType getParent() { |
| return (JavaResourcePersistentType) super.getParent(); |
| } |
| |
| public JavaResourcePersistentType getResourcePersistentType() { |
| return this.getParent(); |
| } |
| |
| public String getName() { |
| return this.getAdapter().getAttributeName(); |
| } |
| |
| @Override |
| public Annotation buildNullAnnotation(String annotationName) { |
| return (annotationName == null) ? null : this.buildNullAnnotation_(annotationName); |
| } |
| |
| public boolean isField() { |
| return this.getAdapter().isField(); |
| } |
| |
| public boolean isProperty() { |
| return ! this.isField(); |
| } |
| |
| public boolean isFor(MethodSignature methodSignature, int occurrence) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public AccessType getSpecifiedAccess() { |
| Access2_0Annotation accessAnnotation = (Access2_0Annotation) this.getAnnotation(Access2_0Annotation.ANNOTATION_NAME); |
| return accessAnnotation == null ? null : accessAnnotation.getValue(); |
| } |
| |
| public boolean typeIsSubTypeOf(String tn) { |
| return ((this.typeName != null) && this.typeName.equals(tn)) |
| || this.typeInterfaceNames.contains(tn) |
| || this.typeSuperclassNames.contains(tn); |
| } |
| |
| public boolean typeIsVariablePrimitive() { |
| return (this.typeName != null) && ClassName.isVariablePrimitive(this.typeName); |
| } |
| |
| // ***** modifiers |
| public int getModifiers() { |
| return this.modifiers; |
| } |
| |
| private void setModifiers(int modifiers) { |
| int old = this.modifiers; |
| this.modifiers = modifiers; |
| this.firePropertyChanged(MODIFIERS_PROPERTY, old, modifiers); |
| } |
| |
| /** |
| * zero seems like a reasonable default... |
| */ |
| private int buildModifiers() { |
| try { |
| return this.getMember().getFlags(); |
| } catch (JavaModelException ex) { |
| JptJpaCorePlugin.log(ex); |
| return 0; |
| } |
| } |
| |
| // ***** type name |
| public String getTypeName() { |
| return this.typeName; |
| } |
| |
| private void setTypeName(String typeName) { |
| String old = this.typeName; |
| this.typeName = typeName; |
| this.firePropertyChanged(TYPE_NAME_PROPERTY, old, typeName); |
| } |
| |
| /** |
| * JARs don't have array types; |
| * also, no generic type parameters |
| */ |
| private String buildTypeName() { |
| return convertTypeSignatureToTypeName(this.getTypeSignature()); |
| } |
| |
| // ***** type is interface |
| public boolean typeIsInterface() { |
| return this.typeIsInterface; |
| } |
| |
| private void setTypeIsInterface(boolean typeIsInterface) { |
| boolean old = this.typeIsInterface; |
| this.typeIsInterface = typeIsInterface; |
| this.firePropertyChanged(TYPE_IS_INTERFACE_PROPERTY, old, typeIsInterface); |
| } |
| |
| private boolean buildTypeIsInterface(IType type) { |
| try { |
| return (type != null) && type.isInterface(); |
| } catch (JavaModelException ex) { |
| JptJpaCorePlugin.log(ex); |
| return false; |
| } |
| } |
| |
| // ***** type is enum |
| public boolean typeIsEnum() { |
| return this.typeIsEnum; |
| } |
| |
| private void setTypeIsEnum(boolean typeIsEnum) { |
| boolean old = this.typeIsEnum; |
| this.typeIsEnum = typeIsEnum; |
| this.firePropertyChanged(TYPE_IS_ENUM_PROPERTY, old, typeIsEnum); |
| } |
| |
| private boolean buildTypeIsEnum(IType type) { |
| try { |
| return (type != null) && type.isEnum(); |
| } catch (JavaModelException ex) { |
| JptJpaCorePlugin.log(ex); |
| return false; |
| } |
| } |
| |
| // ***** type superclass hierarchy |
| public ListIterator<String> typeSuperclassNames() { |
| return new CloneListIterator<String>(this.typeSuperclassNames); |
| } |
| |
| public boolean typeSuperclassNamesContains(String superclassName) { |
| return this.typeSuperclassNames.contains(superclassName); |
| } |
| |
| private void setTypeSuperclassNames(List<String> typeSuperclassNames) { |
| this.synchronizeList(typeSuperclassNames, this.typeSuperclassNames, TYPE_SUPERCLASS_NAMES_LIST); |
| } |
| |
| private List<String> buildTypeSuperclassNames(IType type) { |
| if (type == null) { |
| return Collections.emptyList(); |
| } |
| |
| ArrayList<String> names = new ArrayList<String>(); |
| type = this.findSuperclass(type); |
| while (type != null) { |
| names.add(type.getFullyQualifiedName('.')); // no parameters are included here |
| type = this.findSuperclass(type); |
| } |
| return names; |
| } |
| |
| // ***** type interface hierarchy |
| public Iterator<String> typeInterfaceNames() { |
| return new CloneIterator<String>(this.typeInterfaceNames); |
| } |
| |
| public boolean typeInterfaceNamesContains(String interfaceName) { |
| return this.typeInterfaceNames.contains(interfaceName); |
| } |
| |
| private void setTypeInterfaceNames(Collection<String> typeInterfaceNames) { |
| this.synchronizeCollection(typeInterfaceNames, this.typeInterfaceNames, TYPE_INTERFACE_NAMES_COLLECTION); |
| } |
| |
| private Collection<String> buildTypeInterfaceNames(IType type) { |
| if (type == null) { |
| return Collections.emptySet(); |
| } |
| |
| HashSet<String> names = new HashSet<String>(); |
| while (type != null) { |
| this.addInterfaceNamesTo(type, names); |
| type = this.findSuperclass(type); |
| } |
| return names; |
| } |
| |
| private void addInterfaceNamesTo(IType type, HashSet<String> names) { |
| for (String interfaceSignature : this.getSuperInterfaceTypeSignatures(type)) { |
| String interfaceName = convertTypeSignatureToTypeName(interfaceSignature); |
| names.add(interfaceName); |
| IType interfaceType = this.findType(interfaceName); |
| if (interfaceType != null) { |
| this.addInterfaceNamesTo(interfaceType, names); // recurse |
| } |
| } |
| } |
| |
| // ***** type type argument names |
| public ListIterator<String> typeTypeArgumentNames() { |
| return new CloneListIterator<String>(this.typeTypeArgumentNames); |
| } |
| |
| public int typeTypeArgumentNamesSize() { |
| return this.typeTypeArgumentNames.size(); |
| } |
| |
| public String getTypeTypeArgumentName(int index) { |
| return this.typeTypeArgumentNames.get(index); |
| } |
| |
| private void setTypeTypeArgumentNames(List<String> typeTypeArgumentNames) { |
| this.synchronizeList(typeTypeArgumentNames, this.typeTypeArgumentNames, TYPE_TYPE_ARGUMENT_NAMES_LIST); |
| } |
| |
| /** |
| * these types can be arrays (e.g. "java.lang.String[]"); |
| * but they won't have any further nested generic type arguments |
| * (e.g. "java.util.Collection<java.lang.String>") |
| */ |
| private List<String> buildTypeTypeArgumentNames() { |
| String typeSignature = this.getTypeSignature(); |
| if (typeSignature == null) { |
| return Collections.emptyList(); |
| } |
| |
| String[] typeArgumentSignatures = Signature.getTypeArguments(typeSignature); |
| if (typeArgumentSignatures.length == 0) { |
| return Collections.emptyList(); |
| } |
| |
| ArrayList<String> names = new ArrayList<String>(typeArgumentSignatures.length); |
| for (String typeArgumentSignature : typeArgumentSignatures) { |
| names.add(convertTypeSignatureToTypeName(typeArgumentSignature)); |
| } |
| return names; |
| } |
| |
| |
| // ********** convenience methods ********** |
| |
| private String getTypeSignature() { |
| try { |
| return this.getAdapter().getTypeSignature(); |
| } catch (JavaModelException ex) { |
| JptJpaCorePlugin.log(ex); |
| return null; |
| } |
| } |
| |
| private IType findSuperclass(IType type) { |
| return this.findTypeBySignature(this.getSuperclassSignature(type)); |
| } |
| |
| private String getSuperclassSignature(IType type) { |
| try { |
| return type.getSuperclassTypeSignature(); |
| } catch (JavaModelException ex) { |
| JptJpaCorePlugin.log(ex); |
| return null; |
| } |
| } |
| |
| private String[] getSuperInterfaceTypeSignatures(IType type) { |
| try { |
| return type.getSuperInterfaceTypeSignatures(); |
| } catch (JavaModelException ex) { |
| JptJpaCorePlugin.log(ex); |
| return StringTools.EMPTY_STRING_ARRAY; |
| } |
| } |
| |
| private IType findTypeBySignature(String typeSignature) { |
| return (typeSignature == null) ? null : this.findType(convertTypeSignatureToTypeName_(typeSignature)); |
| } |
| |
| private IType getType() { |
| return (this.typeName == null) ? null : this.findType(this.typeName); |
| } |
| |
| private IType findType(String fullyQualifiedName) { |
| try { |
| return this.getJavaProject().findType(fullyQualifiedName); |
| } catch (JavaModelException ex) { |
| JptJpaCorePlugin.log(ex); |
| return null; |
| } |
| } |
| |
| private IJavaProject getJavaProject() { |
| return this.getMember().getJavaProject(); |
| } |
| |
| |
| |
| // ********** adapters ********** |
| |
| /** |
| * Adapt an IField or IMethod. |
| */ |
| interface Adapter |
| extends BinaryPersistentMember.Adapter |
| { |
| /** |
| * Return the field or getter method's "attribute" name |
| * (e.g. field "foo" -> "foo"; method "getFoo" -> "foo"). |
| */ |
| String getAttributeName(); |
| |
| /** |
| * Return whether the attribute is a Java field (as opposed to a method). |
| */ |
| boolean isField(); |
| |
| /** |
| * Return the attribute's type signature. |
| */ |
| String getTypeSignature() throws JavaModelException; |
| } |
| |
| /** |
| * IField adapter |
| */ |
| static class FieldAdapter |
| implements Adapter |
| { |
| final IField field; |
| |
| FieldAdapter(IField field) { |
| super(); |
| this.field = field; |
| } |
| |
| public IField getElement() { |
| return this.field; |
| } |
| |
| public boolean isPersistable() { |
| return this.field.exists() && JPTTools.fieldIsPersistable(new JPTToolsAdapter()); |
| } |
| |
| public IAnnotation[] getAnnotations() throws JavaModelException { |
| return this.field.getAnnotations(); |
| } |
| |
| public String getAttributeName() { |
| return this.field.getElementName(); |
| } |
| |
| public boolean isField() { |
| return true; |
| } |
| |
| public String getTypeSignature() throws JavaModelException { |
| return this.field.getTypeSignature(); |
| } |
| |
| /** |
| * JPTTools needs an adapter so it can work with either an IField |
| * or an IVariableBinding etc. |
| */ |
| class JPTToolsAdapter implements JPTTools.FieldAdapter { |
| public int getModifiers() { |
| try { |
| return FieldAdapter.this.field.getFlags(); |
| } catch (JavaModelException ex) { |
| JptJpaCorePlugin.log(ex); |
| return 0; |
| } |
| } |
| |
| } |
| |
| } |
| |
| /** |
| * IMethod adapter |
| */ |
| static class MethodAdapter |
| implements Adapter |
| { |
| final IMethod method; |
| static final IMethod[] EMPTY_METHOD_ARRAY = new IMethod[0]; |
| |
| MethodAdapter(IMethod method) { |
| super(); |
| this.method = method; |
| } |
| |
| public IMethod getElement() { |
| return this.method; |
| } |
| |
| public boolean isPersistable() { |
| return JPTTools.methodIsPersistablePropertyGetter(new JPTToolsAdapter()); |
| } |
| |
| public IAnnotation[] getAnnotations() throws JavaModelException { |
| return this.method.getAnnotations(); |
| } |
| |
| public String getAttributeName() { |
| return NameTools.convertGetterSetterMethodNameToPropertyName(this.method.getElementName()); |
| } |
| |
| public boolean isField() { |
| return false; |
| } |
| |
| public String getTypeSignature() throws JavaModelException { |
| return this.method.getReturnType(); |
| } |
| |
| /** |
| * JPTTools needs an adapter so it can work with either an IMethod |
| * or an IMethodBinding etc. |
| */ |
| abstract static class AbstractJPTToolsAdapter |
| implements JPTTools.SimpleMethodAdapter |
| { |
| AbstractJPTToolsAdapter() { |
| super(); |
| } |
| |
| abstract IMethod getMethod(); |
| |
| public int getModifiers() { |
| try { |
| return this.getMethod().getFlags(); |
| } catch (JavaModelException ex) { |
| JptJpaCorePlugin.log(ex); |
| return 0; |
| } |
| } |
| |
| public String getReturnTypeErasureName() { |
| return convertTypeSignatureToTypeName(this.getReturnTypeSignature()); |
| } |
| |
| private String getReturnTypeSignature() { |
| try { |
| return this.getMethod().getReturnType(); |
| } catch (JavaModelException ex) { |
| JptJpaCorePlugin.log(ex); |
| return null; |
| } |
| } |
| |
| public boolean isConstructor() { |
| try { |
| return this.getMethod().isConstructor(); |
| } catch (JavaModelException ex) { |
| JptJpaCorePlugin.log(ex); |
| return false; |
| } |
| } |
| |
| } |
| |
| static class SimpleJPTToolsAdapter |
| extends AbstractJPTToolsAdapter |
| { |
| private final IMethod method; |
| |
| SimpleJPTToolsAdapter(IMethod method) { |
| super(); |
| this.method = method; |
| } |
| |
| @Override |
| IMethod getMethod() { |
| return this.method; |
| } |
| |
| } |
| |
| class JPTToolsAdapter |
| extends AbstractJPTToolsAdapter |
| implements JPTTools.MethodAdapter |
| { |
| JPTToolsAdapter() { |
| super(); |
| } |
| |
| @Override |
| IMethod getMethod() { |
| return MethodAdapter.this.method; |
| } |
| |
| public String getName() { |
| return this.getMethod().getElementName(); |
| } |
| |
| public int getParametersLength() { |
| return this.getMethod().getParameterTypes().length; |
| } |
| |
| public JPTTools.SimpleMethodAdapter getSibling(String name) { |
| for (IMethod sibling : this.getSiblings()) { |
| if ((sibling.getParameterTypes().length == 0) |
| && sibling.getElementName().equals(name)) { |
| return new SimpleJPTToolsAdapter(sibling); |
| } |
| } |
| return null; |
| } |
| |
| public JPTTools.SimpleMethodAdapter getSibling(String name, String parameterTypeErasureName) { |
| for (IMethod sibling : this.getSiblings()) { |
| String[] parmTypes = sibling.getParameterTypes(); |
| if ((parmTypes.length == 1) |
| && sibling.getElementName().equals(name) |
| && convertTypeSignatureToTypeName(parmTypes[0]).equals(parameterTypeErasureName)) { |
| return new SimpleJPTToolsAdapter(sibling); |
| } |
| } |
| return null; |
| } |
| |
| private IMethod[] getSiblings() { |
| try { |
| return this.getMethod().getDeclaringType().getMethods(); |
| } catch (JavaModelException ex) { |
| JptJpaCorePlugin.log(ex); |
| return EMPTY_METHOD_ARRAY; |
| } |
| } |
| |
| } |
| |
| } |
| |
| } |