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- /* *******************************************************************
- * Copyright (c) 2008 Contributors
- *
- * 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:
- * Andy Clement - refactored out of MemberImpl
- * ******************************************************************/
- package org.aspectj.weaver;
-
- import java.lang.reflect.Modifier;
-
- public class SignatureUtils {
-
- public static String getSignatureString(Member m, World world) {
- MemberKind kind = m.getKind();
- if (kind == Member.METHOD) {
- return getMethodSignatureString(m, world);
- } else if (kind == Member.CONSTRUCTOR) {
- return getConstructorSignatureString(m, world);
- } else if (kind == Member.FIELD) {
- return getFieldSignatureString(m, world);
- } else if (kind == Member.HANDLER) {
- return getHandlerSignatureString(m, world);
- } else if (kind == Member.STATIC_INITIALIZATION) {
- return getStaticInitializationSignatureString(m, world);
- } else if (kind == Member.ADVICE) {
- return getAdviceSignatureString(m, world);
- } else if (kind == Member.MONITORENTER || kind == Member.MONITOREXIT) {
- return getMonitorSignatureString(m, world);
- } else {
- throw new BCException("Do not know the signature string for MemberKind " + kind);
- }
- }
-
- public static String getSignatureMakerName(Member m) {
- MemberKind kind = m.getKind();
- if (kind == Member.METHOD) {
- return "makeMethodSig";
- } else if (kind == Member.CONSTRUCTOR) {
- return "makeConstructorSig";
- } else if (kind == Member.FIELD) {
- return "makeFieldSig";
- } else if (kind == Member.HANDLER) {
- return "makeCatchClauseSig";
- } else if (kind == Member.STATIC_INITIALIZATION) {
- return "makeInitializerSig";
- } else if (kind == Member.ADVICE) {
- return "makeAdviceSig";
- } else if (kind == Member.MONITORENTER) {
- return "makeLockSig";
- } else if (kind == Member.MONITOREXIT) {
- return "makeUnlockSig";
- } else {
- throw new BCException("Do not know the signature maker name for MemberKind " + kind);
- }
- }
-
- public static String getSignatureType(Member m) {
- MemberKind kind = m.getKind();
- if (m.getName().equals("<clinit>") && kind != Member.STATIC_INITIALIZATION)
- throw new BCException();
- // if (m.getName().equals("<clinit>")) return "org.aspectj.lang.reflect.InitializerSignature";
-
- if (kind == Member.METHOD) {
- return "org.aspectj.lang.reflect.MethodSignature";
- } else if (kind == Member.CONSTRUCTOR) {
- return "org.aspectj.lang.reflect.ConstructorSignature";
- } else if (kind == Member.FIELD) {
- return "org.aspectj.lang.reflect.FieldSignature";
- } else if (kind == Member.HANDLER) {
- return "org.aspectj.lang.reflect.CatchClauseSignature";
- } else if (kind == Member.STATIC_INITIALIZATION) {
- return "org.aspectj.lang.reflect.InitializerSignature";
- } else if (kind == Member.ADVICE) {
- return "org.aspectj.lang.reflect.AdviceSignature";
- } else if (kind == Member.MONITORENTER) {
- return "org.aspectj.lang.reflect.LockSignature";
- } else if (kind == Member.MONITOREXIT) {
- return "org.aspectj.lang.reflect.UnlockSignature";
- } else {
- throw new BCException("Do not know the signature type for MemberKind " + kind);
- }
- }
-
- // ---
-
- private static String getHandlerSignatureString(Member m, World world) {
- StringBuffer buf = new StringBuffer();
- buf.append(makeString(0));
- buf.append('-');
- // buf.append(getName());
- buf.append('-');
- buf.append(makeString(m.getDeclaringType()));
- buf.append('-');
- buf.append(makeString(m.getParameterTypes()[0]));
- buf.append('-');
- String pName = "<missing>";
- String[] names = m.getParameterNames(world);
- if (names != null)
- pName = names[0];
- buf.append(pName);
- buf.append('-');
- return buf.toString();
- }
-
- private static String getStaticInitializationSignatureString(Member m, World world) {
- StringBuffer buf = new StringBuffer();
- buf.append(makeString(m.getModifiers(world)));
- buf.append('-');
- // buf.append(getName());
- buf.append('-');
- buf.append(makeString(m.getDeclaringType()));
- buf.append('-');
- return buf.toString();
- }
-
- protected static String getAdviceSignatureString(Member m, World world) {
- StringBuffer buf = new StringBuffer();
- buf.append(makeString(m.getModifiers(world)));
- buf.append('-');
- buf.append(m.getName());
- buf.append('-');
- buf.append(makeString(m.getDeclaringType()));
- buf.append('-');
- buf.append(makeString(m.getParameterTypes()));
- buf.append('-');
- buf.append(makeString(m.getParameterNames(world)));
- buf.append('-');
- buf.append(makeString(m.getExceptions(world)));
- buf.append('-');
- buf.append(makeString(m.getReturnType()));
- buf.append('-');
- return buf.toString();
- }
-
- protected static String getMethodSignatureString(Member m, World world) {
- StringBuffer buf = new StringBuffer();
- buf.append(makeString(m.getModifiers(world)));
- buf.append('-');
- buf.append(m.getName());
- buf.append('-');
- buf.append(makeString(m.getDeclaringType()));
- buf.append('-');
- buf.append(makeString(m.getParameterTypes()));
- buf.append('-');
- buf.append(makeString(m.getParameterNames(world)));
- buf.append('-');
- buf.append(makeString(m.getExceptions(world)));
- buf.append('-');
- buf.append(makeString(m.getReturnType()));
- buf.append('-');
- return buf.toString();
- }
-
- protected static String getMonitorSignatureString(Member m, World world) {
- StringBuffer buf = new StringBuffer();
- buf.append(makeString(Modifier.STATIC)); // modifiers
- buf.append('-');
- buf.append(m.getName()); // name
- buf.append('-');
- buf.append(makeString(m.getDeclaringType())); // Declaring Type
- buf.append('-');
- buf.append(makeString(m.getParameterTypes()[0])); // Parameter Types
- buf.append('-');
- buf.append(""); // Parameter names
- buf.append('-');
- return buf.toString();
- }
-
- protected static String getConstructorSignatureString(Member m, World world) {
- StringBuffer buf = new StringBuffer();
- buf.append(makeString(m.getModifiers(world)));
- buf.append('-');
- buf.append('-');
- buf.append(makeString(m.getDeclaringType()));
- buf.append('-');
- buf.append(makeString(m.getParameterTypes()));
- buf.append('-');
- buf.append(makeString(m.getParameterNames(world)));
- buf.append('-');
- buf.append(makeString(m.getExceptions(world)));
- buf.append('-');
- return buf.toString();
- }
-
- protected static String getFieldSignatureString(Member m, World world) {
- StringBuffer buf = new StringBuffer();
- buf.append(makeString(m.getModifiers(world)));
- buf.append('-');
- buf.append(m.getName());
- buf.append('-');
- buf.append(makeString(m.getDeclaringType()));
- buf.append('-');
- buf.append(makeString(m.getReturnType()));
- buf.append('-');
- return buf.toString();
- }
-
- protected static String makeString(int i) {
- return Integer.toString(i, 16);
- }
-
- protected static String makeString(UnresolvedType t) {
- // this is the inverse of the odd behavior for Class.forName w/ arrays
- if (t.isArray()) {
- // this behavior matches the string used by the eclipse compiler for Foo.class literals
- return t.getSignature().replace('/', '.');
- } else {
- return t.getName();
- }
- }
-
- protected static String makeString(UnresolvedType[] types) {
- if (types == null)
- return "";
- StringBuffer buf = new StringBuffer();
- for (int i = 0, len = types.length; i < len; i++) {
- buf.append(makeString(types[i]));
- buf.append(':');
- }
- return buf.toString();
- }
-
- protected static String makeString(String[] names) {
- if (names == null)
- return "";
- StringBuffer buf = new StringBuffer();
- for (int i = 0, len = names.length; i < len; i++) {
- buf.append(names[i]);
- buf.append(':');
- }
- return buf.toString();
- }
-
- }
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