1 files changed, 64 insertions, 0 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/internal/jdtutility/SimpleDeclarationAnnotationAdapter.java b/jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/internal/jdtutility/SimpleDeclarationAnnotationAdapter.java
new file mode 100644
index 0000000000..77d3352d06
--- /dev/null
+++ b/jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/internal/jdtutility/SimpleDeclarationAnnotationAdapter.java
@@ -0,0 +1,64 @@
+/*******************************************************************************
+ * Copyright (c) 2006, 2007 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.jdtutility;
+
+import org.eclipse.jdt.core.dom.ASTNode;
+import org.eclipse.jdt.core.dom.Annotation;
+
+/**
+ * Manipulate an annotation with a specific name, e.g.
+ * <pre>
+ *     &#64;Foo
+ *     private int id;
+ * </pre>
+ * 
+ * NB:
+ * If the declaration contains more than one annotation with the same
+ * name, the adapter will correspond to the first annotation with the specified
+ * name. (Also note that the compiler will not allow a declaration to be
+ * modified by multiple annotations with the same name, i.e. of the same type;
+ * so if there *are* multiple annotations of the same type, there are bigger
+ * problems to worry about than which annotation the adapter manipulates.)
+ */
+public class SimpleDeclarationAnnotationAdapter extends AbstractDeclarationAnnotationAdapter {
+
+
+	// ********** constructors **********
+
+	public SimpleDeclarationAnnotationAdapter(String annotationName) {
+		super(annotationName);
+	}
+
+
+	// ********** AbstractAnnotationAdapter implementation **********
+
+	@Override
+	public Annotation getAnnotation(ModifiedDeclaration declaration) {
+		return declaration.getAnnotationNamed(this.getAnnotationName());
+	}
+
+	@Override
+	public void removeAnnotation(ModifiedDeclaration declaration) {
+		declaration.removeAnnotationNamed(this.getAnnotationName());
+	}
+
+	@Override
+	protected void addAnnotation(ModifiedDeclaration declaration, Annotation annotation) {
+		declaration.replaceAnnotationNamed(this.getAnnotationName(), annotation);
+	}
+
+	@Override
+	public ASTNode astNode(ModifiedDeclaration declaration) {
+		// if the annotation is missing, return the declaration
+		Annotation annotation = this.getAnnotation(declaration);
+		return (annotation != null) ? annotation : declaration.getDeclaration();
+	}
+
+}