63 lines
2.1 KiB
Java
63 lines
2.1 KiB
Java
/*
|
|
* Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
package vm.share.transform;
|
|
|
|
import jdk.internal.org.objectweb.asm.AnnotationVisitor;
|
|
|
|
public abstract class AnnotationAppender {
|
|
private final String desc;
|
|
private final boolean visible;
|
|
private boolean annotationPresent;
|
|
|
|
public AnnotationAppender(String desc, boolean visible) {
|
|
this.desc = desc;
|
|
this.visible = visible;
|
|
}
|
|
|
|
public void checkAnnotation(String desc, boolean isVisible) {
|
|
annotationPresent |= visible == isVisible && this.desc.equals(desc);
|
|
}
|
|
|
|
public void addAnnotation(VisitAnnotation func) {
|
|
if (shouldAdd()) {
|
|
AnnotationVisitor av = func.visit(desc, true);
|
|
if (av != null) {
|
|
postCreate(av);
|
|
av.visitEnd();
|
|
annotationPresent = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
protected boolean shouldAdd() {
|
|
return !annotationPresent;
|
|
}
|
|
|
|
protected abstract void postCreate(AnnotationVisitor av);
|
|
|
|
@FunctionalInterface
|
|
public static interface VisitAnnotation {
|
|
AnnotationVisitor visit(String desc, boolean visible);
|
|
}
|
|
}
|