UnresolvedAnnotationBinding.java

/*******************************************************************************
 * Copyright (c) 2000, 2009 IBM Corporation and others.
 * 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:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jdt.internal.compiler.lookup;

public class UnresolvedAnnotationBinding extends AnnotationBinding {
	private LookupEnvironment env;

	private boolean typeUnresolved= true;

	UnresolvedAnnotationBinding(ReferenceBinding type, ElementValuePair[] pairs, LookupEnvironment env) {
		super(type, pairs);
		this.env= env;
	}

	public ReferenceBinding getAnnotationType() {
		if (this.typeUnresolved) { // the type is resolved when requested
			this.type= (ReferenceBinding)BinaryTypeBinding.resolveType(this.type, this.env, false /* no raw conversion for now */);
			// annotation type are never parameterized
			this.typeUnresolved= false;
		}
		return this.type;
	}

	public ElementValuePair[] getElementValuePairs() {
		if (this.env != null) {
			if (this.typeUnresolved) {
				getAnnotationType(); // resolve the annotation type
			}
			// resolve method binding and value type (if unresolved) for each pair
			for (int i= this.pairs.length; --i >= 0;) {
				ElementValuePair pair= this.pairs[i];
				MethodBinding[] methods= this.type.getMethods(pair.getName());
				// there should be exactly one since the type is an annotation type.
				if (methods != null && methods.length == 1) {
					pair.setMethodBinding(methods[0]);
				} // else silently leave a null there
				Object value= pair.getValue();
				if (value instanceof UnresolvedReferenceBinding) {
					pair.setValue(((UnresolvedReferenceBinding)value).
							resolve(this.env, false));
					// no parameterized types in annotation values
				} // do nothing for UnresolvedAnnotationBinding-s, since their
					// content is only accessed through get* methods
			}
			this.env= null;
		}
		return this.pairs;
	}
}