org.eclipse.persistence.asm.Type Maven / Gradle / Ivy
/*
* Copyright (c) 2023 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 java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.persistence.asm.internal.Util;
public abstract class Type {
//This block must be first - begin
private final static String ASM_TYPE_ECLIPSELINK = "org.eclipse.persistence.internal.libraries.asm.Type";
private final static String ASM_TYPE_OW2 = "org.objectweb.asm.Type";
private final static Map ASM_TYPE_MAP = new HashMap<>();
static {
ASM_TYPE_MAP.put(ASMFactory.ASM_SERVICE_OW2, ASM_TYPE_OW2);
ASM_TYPE_MAP.put(ASMFactory.ASM_SERVICE_ECLIPSELINK, ASM_TYPE_ECLIPSELINK);
}
//This block must be first - end
public static final int BOOLEAN = valueInt("BOOLEAN");
public static final int BYTE = valueInt("BYTE");
public static final int CHAR = valueInt("CHAR");
public static final int DOUBLE = valueInt("DOUBLE");
public static final int FLOAT = valueInt("FLOAT");
public static final int INT = valueInt("INT");
public static final int LONG = valueInt("LONG");
public static final int SHORT = valueInt("SHORT");
public static final Type VOID_TYPE = ASMFactory.createVoidType();
private static int valueInt(String fieldName) {
return ((int) Util.getFieldValue(ASM_TYPE_MAP, fieldName, Integer.TYPE));
}
public static Type getType(final String typeDescriptor) {
return ASMFactory.createType(typeDescriptor);
}
public static Type getType(final Class clazz) {
return ASMFactory.createType(clazz);
}
public static String getMethodDescriptor(final Method method) {
return ASMFactory.createType(Object.class).getMethodDescriptorInternal(method);
}
public static String getMethodDescriptor(final Type returnType, final Type... argumentTypes) {
return ASMFactory.createType(Object.class).getMethodDescriptorInternal(returnType, argumentTypes);
}
public static String getDescriptor(final Class clazz) {
Type type = ASMFactory.createType(clazz);
if (type instanceof org.eclipse.persistence.asm.internal.platform.eclipselink.TypeImpl) {
return ((org.eclipse.persistence.internal.libraries.asm.Type)ASMFactory.createType(clazz).unwrap()).getDescriptor(clazz);
} else if (type instanceof org.eclipse.persistence.asm.internal.platform.ow2.TypeImpl) {
return ((org.objectweb.asm.Type)ASMFactory.createType(clazz).unwrap()).getDescriptor(clazz);
} else {
return null;
}
}
public static String getInternalName(final Class clazz) {
Type type = ASMFactory.createType(clazz);
if (type instanceof org.eclipse.persistence.asm.internal.platform.eclipselink.TypeImpl) {
return ((org.eclipse.persistence.internal.libraries.asm.Type)ASMFactory.createType(clazz).unwrap()).getInternalName(clazz);
} else if (type instanceof org.eclipse.persistence.asm.internal.platform.ow2.TypeImpl) {
return ((org.objectweb.asm.Type)ASMFactory.createType(clazz).unwrap()).getInternalName(clazz);
} else {
return null;
}
}
public static Object getTypeClassName(Object value) {
try {
if (Class.forName(ASM_TYPE_ECLIPSELINK).isInstance(value)) {
return ((org.eclipse.persistence.internal.libraries.asm.Type) value).getClassName();
} else if (Class.forName(ASM_TYPE_OW2).isInstance(value)) {
return ((org.objectweb.asm.Type) value).getClassName();
} else {
return null;
}
} catch (ClassNotFoundException e) {
//ignore
}
return null;
}
public abstract String getDescriptor();
public abstract String getInternalName();
public abstract int getSort();
public abstract int getOpcode(final int opcode);
protected abstract String getMethodDescriptorInternal(final Method method);
protected abstract String getMethodDescriptorInternal(final Type returnType, final Type... argumentTypes);
public abstract String getClassName();
public abstract T unwrap();
}