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/*
* Copyright (c) 2023, 2024 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0,
* or the Eclipse Distribution License v. 1.0 which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
*/
// Contributors:
// Oracle - initial API and implementation
package org.eclipse.persistence.asm;
import org.eclipse.persistence.asm.internal.Util;
import java.util.HashMap;
import java.util.Map;
public abstract class ClassWriter extends ClassVisitor {
//This block must be first - begin
private final static String ASM_CLASSWRITER_ECLIPSELINK = "org.eclipse.persistence.internal.libraries.asm.ClassWriter";
private final static String ASM_CLASSWRITER_OW2 = "org.objectweb.asm.ClassWriter";
private final static Map ASM_CLASSWRITER_MAP = new HashMap<>();
static {
ASM_CLASSWRITER_MAP.put(ASMFactory.ASM_SERVICE_OW2, ASM_CLASSWRITER_OW2);
ASM_CLASSWRITER_MAP.put(ASMFactory.ASM_SERVICE_ECLIPSELINK, ASM_CLASSWRITER_ECLIPSELINK);
}
//This block must be first - end
public static final int COMPUTE_FRAMES = valueInt("COMPUTE_FRAMES");
private ClassWriter cw;
protected ClassWriter customClassWriter;
public ClassWriter() {
}
public ClassWriter(final int flags) {
this(null, flags);
}
public ClassWriter(final ClassReader classReader, final int flags) {
super(Opcodes.ASM_API_SELECTED);
cw = ASMFactory.createClassWriter(flags);
}
public void setCustomClassWriter(ClassWriter classWriter) {
this.customClassWriter = classWriter;
}
public void setCustomClassWriterInImpl(ClassWriter classWriter) {
this.cw.setCustomClassWriter(classWriter);
}
public ClassWriter getInternal() {
return cw;
}
private static int valueInt(String fieldName) {
return ((int) Util.getFieldValue(ASM_CLASSWRITER_MAP, fieldName, Integer.TYPE));
}
public abstract String getCommonSuperClass(final String type1, final String type2);
public void visit(final int access, final String name, final String signature, final String superName, final String[] interfaces) {
this.cw.visit(access, name, signature, superName, interfaces);
}
@Override
public void visit(final int version, final int access, final String name, final String signature, final String superName, final String[] interfaces) {
this.cw.visit(version, access, name, signature, superName, interfaces);
}
@Override
public AnnotationVisitor visitAnnotation(final String descriptor, final boolean visible) {
return this.cw.visitAnnotation(descriptor, visible);
}
@Override
public AnnotationVisitor visitAnnotationSuper(final String descriptor, final boolean visible) {
return this.cw.visitAnnotationSuper(descriptor, visible);
}
@Override
public FieldVisitor visitField(final int access, final String name, final String descriptor, final String signature, final Object value) {
return this.cw.visitField(access, name, descriptor, signature, value);
}
@Override
public FieldVisitor visitFieldSuper(final int access, final String name, final String descriptor, final String signature, final Object value) {
return this.cw.visitFieldSuper(access, name, descriptor, signature, value);
}
@Override
public MethodVisitor visitMethod(int access, String name, String descriptor, String signature, String[] exceptions) {
return this.cw.visitMethod(access, name, descriptor, signature, exceptions);
}
@Override
public MethodVisitor visitMethodSuper(int access, String name, String descriptor, String signature, String[] exceptions) {
return this.cw.visitMethodSuper(access, name, descriptor, signature, exceptions);
}
@Override
public void visitEnd() {
this.cw.visitEnd();
}
public byte[] toByteArray() {
return this.cw.toByteArray();
}
public byte[] toByteArraySuper() {
return this.cw.toByteArraySuper();
}
@Override
public abstract T unwrap();
}