diff options
Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/internal/utility/jdt/AbstractNestedDeclarationAnnotationAdapter.java')
| -rw-r--r-- | jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/internal/utility/jdt/AbstractNestedDeclarationAnnotationAdapter.java | 422 |
1 files changed, 0 insertions, 422 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/internal/utility/jdt/AbstractNestedDeclarationAnnotationAdapter.java b/jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/internal/utility/jdt/AbstractNestedDeclarationAnnotationAdapter.java deleted file mode 100644 index 9606e65926..0000000000 --- a/jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/internal/utility/jdt/AbstractNestedDeclarationAnnotationAdapter.java +++ /dev/null @@ -1,422 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2006, 2008 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.core.internal.utility.jdt; - -import java.util.Iterator; -import java.util.List; -import org.eclipse.jdt.core.dom.AST; -import org.eclipse.jdt.core.dom.ASTNode; -import org.eclipse.jdt.core.dom.Annotation; -import org.eclipse.jdt.core.dom.Expression; -import org.eclipse.jdt.core.dom.MarkerAnnotation; -import org.eclipse.jdt.core.dom.MemberValuePair; -import org.eclipse.jdt.core.dom.NormalAnnotation; -import org.eclipse.jdt.core.dom.SingleMemberAnnotation; -import org.eclipse.jpt.core.utility.jdt.DeclarationAnnotationAdapter; -import org.eclipse.jpt.core.utility.jdt.ModifiedDeclaration; - -/** - * Pull together some of the behavior common to NestedDeclarationAnnotationAdapter - * and IndexedNestedDeclarationAnnotationAdapter - */ -public abstract class AbstractNestedDeclarationAnnotationAdapter extends AbstractDeclarationAnnotationAdapter { - private final DeclarationAnnotationAdapter outerAnnotationAdapter; - private final String elementName; - private final boolean removeOuterAnnotationWhenEmpty; - - // reduce NLS checks - protected static final String VALUE = "value"; //$NON-NLS-1$ - - - // ********** constructors ********** - - /** - * default element name is "value"; - * default behavior is to remove the outer annotation when it is empty - */ - protected AbstractNestedDeclarationAnnotationAdapter(DeclarationAnnotationAdapter outerAnnotationAdapter, String annotationName) { - this(outerAnnotationAdapter, VALUE, annotationName); - } - - /** - * default behavior is to remove the outer annotation when it is empty - */ - protected AbstractNestedDeclarationAnnotationAdapter(DeclarationAnnotationAdapter outerAnnotationAdapter, String elementName, String annotationName) { - this(outerAnnotationAdapter, elementName, annotationName, true); - } - - protected AbstractNestedDeclarationAnnotationAdapter(DeclarationAnnotationAdapter outerAnnotationAdapter, String elementName, String annotationName, boolean removeOuterAnnotationWhenEmpty) { - super(annotationName); - this.outerAnnotationAdapter = outerAnnotationAdapter; - this.elementName = elementName; - this.removeOuterAnnotationWhenEmpty = removeOuterAnnotationWhenEmpty; - } - - - // ********** DeclarationAnnotationAdapter implementation ********** - - public Annotation getAnnotation(ModifiedDeclaration declaration) { - Annotation outer = this.outerAnnotationAdapter.getAnnotation(declaration); - if (outer == null) { - return null; - } - Expression value = this.elementValue(outer); - if (value == null) { - return null; - } - Annotation inner = this.getAnnotation(value); - if (inner == null) { - return null; - } - // return the annotation only if it has a matching name(?) - return this.nameMatches(declaration, inner) ? inner : null; - } - - public void removeAnnotation(ModifiedDeclaration declaration) { - Annotation outer = this.outerAnnotationAdapter.getAnnotation(declaration); - if (outer == null) { - return; - } - Expression value = this.elementValue(outer); - if (value == null) { - return; - } - // hack to allow short-circuit when the value is an array initializer - if (this.removeAnnotation(declaration, outer, value)) { - return; - } - Annotation inner = this.annotationValue(value); - if (inner == null) { - return; - } - // remove the annotation only if it has a matching name(?) - if (this.nameMatches(declaration, inner)) { - this.removeElementAndNormalize(declaration, outer); - } - } - - public ASTNode getAstNode(ModifiedDeclaration declaration) { - // if the annotation is missing, return the outer annotation's node - Annotation annotation = this.getAnnotation(declaration); - return (annotation != null) ? annotation : this.outerAnnotationAdapter.getAstNode(declaration); - } - - @Override - protected void addAnnotation(ModifiedDeclaration declaration, Annotation inner) { - Annotation outer = this.outerAnnotationAdapter.getAnnotation(declaration); - if (outer == null) { - this.buildNewOuterAnnotation(declaration, inner); - } else if (outer.isMarkerAnnotation()) { - this.modifyAnnotation(declaration, (MarkerAnnotation) outer, inner); - } else if (outer.isSingleMemberAnnotation()) { - this.modifyAnnotation(declaration, (SingleMemberAnnotation) outer, inner); - } else if (outer.isNormalAnnotation()) { - this.modifyAnnotation(declaration, (NormalAnnotation) outer, inner); - } else { - throw new IllegalStateException("unknown annotation type: " + outer); //$NON-NLS-1$ - } - } - - - // ********** abstract methods ********** - - /** - * Return an annotation extracted from the specified expression, - * which is the value of the adapter's element. - */ - protected abstract Annotation getAnnotation(Expression value); - - /** - * Remove the annotation from the specified expression, - * which is the value of the adapter's element. - * Return whether the removal was successful. - */ - protected abstract boolean removeAnnotation(ModifiedDeclaration declaration, Annotation outer, Expression value); - - /** - * Set the value of the specified outer annotation to the - * specified inner annotation. - */ - protected abstract void modifyAnnotationValue(SingleMemberAnnotation outer, Annotation inner); - - /** - * Set the value of the specified member value pair to the - * specified inner annotation. - */ - protected abstract void modifyMemberValuePair(MemberValuePair pair, Annotation inner); - - - // ********** public methods ********** - - public DeclarationAnnotationAdapter getOuterAnnotationAdapter() { - return this.outerAnnotationAdapter; - } - - public String getElementName() { - return this.elementName; - } - - - // ********** internal methods ********** - - /** - * If the specified expression is an annotation, cast it to an annotation; - * otherwise return null. - */ - protected Annotation annotationValue(Expression expression) { - switch (expression.getNodeType()) { - case ASTNode.NORMAL_ANNOTATION: - case ASTNode.SINGLE_MEMBER_ANNOTATION: - case ASTNode.MARKER_ANNOTATION: - return (Annotation) expression; - default: - return null; - } - } - - /** - * Remove the *first* annotation element with the specified name - * from the specified annotation, converting the annotation as appropriate. - */ - protected void removeElementAndNormalize(ModifiedDeclaration declaration, Annotation outer) { - if (outer.isNormalAnnotation()) { - this.removeElementAndNormalize(declaration, (NormalAnnotation) outer); - } else if (outer.isSingleMemberAnnotation()) { - this.removeElementAndNormalize(declaration, (SingleMemberAnnotation) outer); - } else if (outer.isMarkerAnnotation()) { - this.removeElementAndNormalize(declaration, (MarkerAnnotation) outer); - } else { - throw new IllegalArgumentException("unknown annotation type: " + outer); //$NON-NLS-1$ - } - } - - /** - * Remove the *first* annotation element with the adapter's element name - * from the specified annotation. Convert the annotation to - * a marker annotation or single member annotation if appropriate. - * <pre> - * @Outer(name="Fred", foo=@Inner) => @Outer(name="Fred") - * @Outer(foo=@Inner) => @Outer - * </pre> - */ - protected void removeElementAndNormalize(ModifiedDeclaration declaration, NormalAnnotation outer) { - this.removeElement(outer); - this.normalizeAnnotation(declaration, outer); - } - - /** - * Remove from the specified annotation the element with - * the adapter's element name. - */ - protected void removeElement(NormalAnnotation annotation) { - for (Iterator<MemberValuePair> stream = this.values(annotation).iterator(); stream.hasNext(); ) { - MemberValuePair pair = stream.next(); - if (pair.getName().getFullyQualifiedName().equals(this.elementName)) { - stream.remove(); - break; - } - } - } - - /** - * Convert the specified normal annotation to a marker annotation or - * single member annotation if appropriate. - */ - protected void normalizeAnnotation(ModifiedDeclaration declaration, NormalAnnotation outer) { - List<MemberValuePair> values = this.values(outer); - switch (values.size()) { - case 0: - // if the elements are all gone, remove the annotation or convert it to a marker annotation - if (this.removeOuterAnnotationWhenEmpty) { - this.outerAnnotationAdapter.removeAnnotation(declaration); - } else { - // convert the annotation to a marker annotation - this.outerAnnotationAdapter.newMarkerAnnotation(declaration); - } - break; - case 1: - MemberValuePair pair = values.get(0); - if (pair.getName().getFullyQualifiedName().equals(VALUE)) { - // if the last remaining element is 'value', convert the annotation to a single member annotation - Expression vv = pair.getValue(); - vv = (Expression) ASTNode.copySubtree(vv.getAST(), vv); - this.outerAnnotationAdapter.newSingleMemberAnnotation(declaration).setValue(vv); - } - break; - default: - // do nothing - break; - } - } - - /** - * Convert the specified single member annotation to a marker annotation - * if the adapter's element name is "value". - */ - protected void removeElementAndNormalize(ModifiedDeclaration declaration, @SuppressWarnings("unused") SingleMemberAnnotation outer) { - if (this.elementName.equals(VALUE)) { - if (this.removeOuterAnnotationWhenEmpty) { - this.outerAnnotationAdapter.removeAnnotation(declaration); - } else { - // convert the annotation to a marker annotation - this.outerAnnotationAdapter.newMarkerAnnotation(declaration); - } - } - } - - protected void removeElementAndNormalize(ModifiedDeclaration declaration, @SuppressWarnings("unused") MarkerAnnotation outer) { - if (this.removeOuterAnnotationWhenEmpty) { - this.outerAnnotationAdapter.removeAnnotation(declaration); - } - } - - /** - * Return the value of the *first* annotation element - * with the adapter's element name. - * Return null if the annotation has no such element. - * (An element name of "value" will return the value of a single - * member annotation.) - */ - protected Expression elementValue(Annotation annotation) { - if (annotation.isNormalAnnotation()) { - return this.elementValue((NormalAnnotation) annotation); - } - if (annotation.isSingleMemberAnnotation()) { - return this.elementValue((SingleMemberAnnotation) annotation); - } - return null; - } - - protected Expression elementValue(NormalAnnotation annotation) { - MemberValuePair pair = this.memberValuePair(annotation); - return (pair == null) ? null : pair.getValue(); - } - - /** - * If the adapter's element name is "value", return the value of the - * annotation, otherwise return null. - */ - protected Expression elementValue(SingleMemberAnnotation annotation) { - return this.elementName.equals(VALUE) ? annotation.getValue() : null; - } - - /** - * Return the *first* member value pair for the adapter's element name. - * Return null if the specified annotation has no such element. - */ - protected MemberValuePair memberValuePair(NormalAnnotation annotation) { - for (MemberValuePair pair : this.values(annotation)) { - if (pair.getName().getFullyQualifiedName().equals(this.elementName)) { - return pair; - } - } - return null; - } - - /** - * Build a new outer annotation and add the specified - * inner annotation to it: - * <pre> - * @Outer(@Inner) - * </pre> - * or - * <pre> - * @Outer(foo=@Inner) - * </pre> - */ - protected void buildNewOuterAnnotation(ModifiedDeclaration declaration, Annotation inner) { - if (this.elementName.equals(VALUE)) { - this.outerAnnotationAdapter.newSingleMemberAnnotation(declaration).setValue(this.buildNewInnerExpression(inner)); - } else { - List<MemberValuePair> values = this.values(this.outerAnnotationAdapter.newNormalAnnotation(declaration)); - values.add(this.newMemberValuePair(this.buildNewInnerExpression(inner))); - } - } - - /** - * Build an expression to be added to a new outer annotation - * for the specified inner annotation. - */ - protected abstract Expression buildNewInnerExpression(Annotation inner); - - /** - * Build a new member value pair with the specified name and value. - */ - protected MemberValuePair newMemberValuePair(String name, Expression value) { - AST ast = value.getAST(); - MemberValuePair pair = ast.newMemberValuePair(); - pair.setName(ast.newSimpleName(name)); - pair.setValue(value); - return pair; - } - - /** - * Build a new member value pair with the adapter's element name - * and the specified inner annotation. - */ - protected MemberValuePair newMemberValuePair(Expression value) { - return this.newMemberValuePair(this.elementName, value); - } - - /** - * Add the specified inner annotation to the marker annotation. - */ - protected void modifyAnnotation(ModifiedDeclaration declaration, @SuppressWarnings("unused") MarkerAnnotation outer, Annotation inner) { - this.buildNewOuterAnnotation(declaration, inner); - } - - /** - * Add the specified inner annotation to the single member annotation. - */ - protected void modifyAnnotation(ModifiedDeclaration declaration, SingleMemberAnnotation outer, Annotation inner) { - if (this.elementName.equals(VALUE)) { - this.modifyAnnotationValue(outer, inner); - } else { - this.modifyAnnotationNonValue(declaration, outer, inner); - } - } - - /** - * Add the specified inner annotation to the single member annotation, - * converting it to a normal annotation: - * <pre> - * @Outer("lorem ipsum") => @Outer(value="lorem ipsum", foo=@Inner) - * </pre> - */ - protected void modifyAnnotationNonValue(ModifiedDeclaration declaration, SingleMemberAnnotation outer, Annotation inner) { - Expression vv = outer.getValue(); - vv = (Expression) ASTNode.copySubtree(vv.getAST(), vv); - NormalAnnotation newOuter = this.outerAnnotationAdapter.newNormalAnnotation(declaration); - List<MemberValuePair> values = this.values(newOuter); - values.add(this.newMemberValuePair(VALUE, vv)); - values.add(this.newMemberValuePair(this.buildNewInnerExpression(inner))); - } - - /** - * Add the specified inner annotation to the normal annotation: - * <pre> - * @Outer(bar="lorem ipsum") => @Outer(bar="lorem ipsum", foo=@Inner) - * </pre> - * or - * <pre> - * @Outer(foo=@Inner("lorem ipsum")) => @Outer(foo=@Inner) - * </pre> - */ - protected void modifyAnnotation(@SuppressWarnings("unused") ModifiedDeclaration declaration, NormalAnnotation outer, Annotation inner) { - MemberValuePair pair = this.memberValuePair(outer); - if (pair == null) { - List<MemberValuePair> values = this.values(outer); - values.add(this.newMemberValuePair(inner)); - } else { - this.modifyMemberValuePair(pair, inner); - } - } - -} |