/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* -------------------------------------------------------------------------
* * Copyright (c) 2000-2005 INRIA, France Telecom
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*
*/
package org.apache.openejb;
import org.apache.xbean.asm5.AnnotationVisitor;
import org.apache.xbean.asm5.Attribute;
import org.apache.xbean.asm5.FieldVisitor;
import org.apache.xbean.asm5.Label;
import org.apache.xbean.asm5.MethodVisitor;
import org.apache.xbean.asm5.Opcodes;
import org.apache.xbean.asm5.Type;
import org.apache.xbean.asm5.shade.commons.EmptyVisitor;
import org.apache.xbean.asm5.signature.SignatureReader;
import org.apache.xbean.asm5.signature.SignatureVisitor;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
/**
* @version $Rev: 1607852 $ $Date: 2014-07-04 15:32:03 +0200 (Fri, 04 Jul 2014) $
*/
public class DependencyVisitor extends EmptyVisitor {
Set<String> packages = new HashSet<String>();
Map<String, Map<String, Integer>> groups = new HashMap<String, Map<String, Integer>>();
Map<String, Integer> current;
public Map<String, Map<String, Integer>> getGlobals() {
return groups;
}
public Set<String> getPackages() {
return packages;
}
// ClassVisitor
public void visit(
final int version,
final int access,
final String name,
final String signature,
final String superName,
final String[] interfaces) {
if (name.startsWith("org/apache/openejb/OpenEjbContainer")) {
current = new HashMap<String, Integer>();
} else {
final String p = getGroupKey(name);
current = groups.get(p);
if (current == null) {
current = new HashMap<String, Integer>();
groups.put(p, current);
}
if (signature == null) {
addName(superName);
addNames(interfaces);
} else {
addSignature(signature);
}
}
}
public AnnotationVisitor visitAnnotation(
final String desc,
final boolean visible) {
addDesc(desc);
return super.visitAnnotation(desc, visible);
}
public void visitAttribute(final Attribute attr) {
}
public FieldVisitor visitField(
final int access,
final String name,
final String desc,
final String signature,
final Object value) {
if (signature == null) {
addDesc(desc);
} else {
addTypeSignature(signature);
}
if (value instanceof Type) {
addType((Type) value);
}
return super.visitField(access, name, desc, signature, value);
}
public MethodVisitor visitMethod(
final int access,
final String name,
final String desc,
final String signature,
final String[] exceptions) {
if (signature == null) {
addMethodDesc(desc);
} else {
addSignature(signature);
}
addNames(exceptions);
return super.visitMethod(access, name, desc, signature, exceptions);
}
public void visitInnerClass(
final String name,
final String outerName,
final String innerName,
final int access) {
// addName( outerName);
// addName( innerName);
}
public void visitOuterClass(
final String owner,
final String name,
final String desc) {
// addName(owner);
// addMethodDesc(desc);
}
// MethodVisitor
public AnnotationVisitor visitParameterAnnotation(
final int parameter,
final String desc,
final boolean visible) {
addDesc(desc);
return super.visitParameterAnnotation(parameter, desc, visible);
}
public void visitTypeInsn(final int opcode, final String desc) {
if (desc.charAt(0) == '[') {
addDesc(desc);
} else {
addName(desc);
}
}
public void visitFieldInsn(
final int opcode,
final String owner,
final String name,
final String desc) {
addName(owner);
addDesc(desc);
}
public void visitMethodInsn(
final int opcode,
final String owner,
final String name,
final String desc) {
addName(owner);
addMethodDesc(desc);
}
public void visitMethodInsn(
final int opcode,
final String owner,
final String name,
final String desc,
final boolean itf) {
addName(owner);
addMethodDesc(desc);
}
public void visitLdcInsn(final Object cst) {
if (cst instanceof Type) {
addType((Type) cst);
}
}
public void visitMultiANewArrayInsn(final String desc, final int dims) {
addDesc(desc);
}
public void visitLocalVariable(
final String name,
final String desc,
final String signature,
final Label start,
final Label end,
final int index) {
addTypeSignature(signature);
}
public void visitCode() {
}
public void visitFrame(
final int type,
final int nLocal,
final Object[] local,
final int nStack,
final Object[] stack) {
}
public void visitInsn(final int opcode) {
}
public void visitIntInsn(final int opcode, final int operand) {
}
public void visitVarInsn(final int opcode, final int var) {
}
public void visitJumpInsn(final int opcode, final Label label) {
}
public void visitLabel(final Label label) {
}
public void visitIincInsn(final int var, final int increment) {
}
public void visitTableSwitchInsn(
final int min,
final int max,
final Label dflt,
final Label[] labels) {
}
public void visitLookupSwitchInsn(
final Label dflt,
final int[] keys,
final Label[] labels) {
}
public void visitTryCatchBlock(
final Label start,
final Label end,
final Label handler,
final String type) {
addName(type);
}
public void visitLineNumber(final int line, final Label start) {
}
public void visitMaxs(final int maxStack, final int maxLocals) {
}
// AnnotationVisitor
public void visit(final String name, final Object value) {
if (value instanceof Type) {
addType((Type) value);
}
}
public void visitEnum(
final String name,
final String desc,
final String value) {
addDesc(desc);
}
public AnnotationVisitor visitAnnotation(
final String name,
final String desc) {
addDesc(desc);
return super.visitAnnotation(name, desc);
}
// SignatureVisitor
public void visitBaseType(final char descriptor) {
}
public void visitTypeVariable(final String name) {
// TODO verify
}
public void visitClassType(final String name) {
addName(name);
}
public void visitInnerClassType(final String name) {
addName(name);
}
public void visitTypeArgument() {
}
// ---------------------------------------------
private String getGroupKey(String name) {
final int n = name.lastIndexOf('/');
if (n > -1) {
name = name.substring(0, n);
}
name = name.replace('/', '.');
packages.add(name);
return name;
}
private void addName(final String name) {
if (name == null) {
return;
}
final String p = getGroupKey(name);
if (current.containsKey(p)) {
current.put(p, current.get(p) + 1);
} else {
current.put(p, 1);
}
}
private void addNames(final String[] names) {
for (int i = 0; names != null && i < names.length; i++) {
addName(names[i]);
}
}
private void addDesc(final String desc) {
addType(Type.getType(desc));
}
private void addMethodDesc(final String desc) {
addType(Type.getReturnType(desc));
final Type[] types = Type.getArgumentTypes(desc);
for (int i = 0; i < types.length; i++) {
addType(types[i]);
}
}
private void addType(final Type t) {
switch (t.getSort()) {
case Type.ARRAY:
addType(t.getElementType());
break;
case Type.OBJECT:
addName(t.getClassName().replace('.', '/'));
break;
}
}
private void addSignature(final String signature) {
if (signature != null) {
new SignatureReader(signature).accept(new SignatureAdapter(this));
}
}
private void addTypeSignature(final String signature) {
if (signature != null) {
new SignatureReader(signature).acceptType(new SignatureAdapter(this));
}
}
private class SignatureAdapter extends SignatureVisitor {
private final DependencyVisitor delegate;
public SignatureAdapter(final DependencyVisitor dependencyVisitor) {
super(Opcodes.ASM5);
delegate = dependencyVisitor;
}
@Override
public void visitFormalTypeParameter(final String name) {
//delegate.visitFormalTypeParameter(name);
}
@Override
public SignatureVisitor visitClassBound() {
return this; //delegate.visitClassBound();
}
@Override
public SignatureVisitor visitInterfaceBound() {
return this; //delegate.visitInterfaceBound();
}
@Override
public SignatureVisitor visitSuperclass() {
return this; //delegate.visitSuperclass();
}
@Override
public SignatureVisitor visitInterface() {
return this; //delegate.visitInterface();
}
@Override
public SignatureVisitor visitParameterType() {
return this; //delegate.visitParameterType();
}
@Override
public SignatureVisitor visitReturnType() {
return this; //delegate.visitReturnType();
}
@Override
public SignatureVisitor visitExceptionType() {
return this; //delegate.visitExceptionType();
}
@Override
public void visitBaseType(final char descriptor) {
delegate.visitBaseType(descriptor);
}
@Override
public void visitTypeVariable(final String name) {
delegate.visitTypeVariable(name);
}
@Override
public SignatureVisitor visitArrayType() {
return this; //delegate.visitArrayType();
}
@Override
public void visitClassType(final String name) {
delegate.visitClassType(name);
}
@Override
public void visitInnerClassType(final String name) {
delegate.visitInnerClassType(name);
}
@Override
public void visitTypeArgument() {
delegate.visitTypeArgument();
}
@Override
public SignatureVisitor visitTypeArgument(final char wildcard) {
return this; //delegate.visitTypeArgument(wildcard);
}
@Override
public void visitEnd() {
delegate.visitEnd();
}
}
}