| /* MethodSignatureParser.java |
| Copyright (C) 2005 |
| Free Software Foundation |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| package gnu.java.lang.reflect; |
| |
| import java.lang.reflect.*; |
| import java.util.ArrayList; |
| |
| public class MethodSignatureParser extends GenericSignatureParser |
| { |
| private TypeVariable[] typeParameters; |
| private Type[] argTypes; |
| private Type retType; |
| private Type[] throwsSigs; |
| |
| public MethodSignatureParser(Method method, String signature) |
| { |
| this(method, method.getDeclaringClass().getClassLoader(), signature); |
| } |
| |
| public MethodSignatureParser(Constructor method, String signature) |
| { |
| this(method, method.getDeclaringClass().getClassLoader(), signature); |
| } |
| |
| private MethodSignatureParser(GenericDeclaration wrapper, |
| ClassLoader loader, String signature) |
| { |
| super(wrapper, loader, signature); |
| |
| if (peekChar() == '<') |
| { |
| typeParameters = readFormalTypeParameters(); |
| } |
| else |
| { |
| typeParameters = new TypeVariable[0]; |
| } |
| consume('('); |
| ArrayList<Type> args = new ArrayList<Type>(); |
| while (peekChar() != ')') |
| { |
| args.add(readTypeSignature()); |
| } |
| argTypes = new Type[args.size()]; |
| args.toArray(argTypes); |
| consume(')'); |
| retType = readTypeSignature(); |
| ArrayList<Type> throwsSigs = new ArrayList<Type>(); |
| while (peekChar() == '^') |
| { |
| consume('^'); |
| if(peekChar() == 'T') |
| { |
| throwsSigs.add(readTypeVariableSignature()); |
| } |
| else |
| { |
| throwsSigs.add(readClassTypeSignature()); |
| } |
| } |
| this.throwsSigs = new Type[throwsSigs.size()]; |
| throwsSigs.toArray(this.throwsSigs); |
| end(); |
| } |
| |
| public TypeVariable[] getTypeParameters() |
| { |
| TypeImpl.resolve(typeParameters); |
| return typeParameters; |
| } |
| |
| public Type[] getGenericParameterTypes() |
| { |
| TypeImpl.resolve(argTypes); |
| return argTypes; |
| } |
| |
| public Type getGenericReturnType() |
| { |
| retType = TypeImpl.resolve(retType); |
| return retType; |
| } |
| |
| public Type[] getGenericExceptionTypes() |
| { |
| TypeImpl.resolve(throwsSigs); |
| return throwsSigs; |
| } |
| |
| private Type readTypeSignature() |
| { |
| switch (peekChar()) |
| { |
| case 'T': |
| return readTypeVariableSignature(); |
| case 'L': |
| return readClassTypeSignature(); |
| case '[': |
| return readArrayTypeSignature(); |
| case 'Z': |
| consume('Z'); |
| return boolean.class; |
| case 'B': |
| consume('B'); |
| return byte.class; |
| case 'S': |
| consume('S'); |
| return short.class; |
| case 'C': |
| consume('C'); |
| return char.class; |
| case 'I': |
| consume('I'); |
| return int.class; |
| case 'F': |
| consume('F'); |
| return float.class; |
| case 'J': |
| consume('J'); |
| return long.class; |
| case 'D': |
| consume('D'); |
| return double.class; |
| case 'V': |
| consume('V'); |
| return void.class; |
| default: |
| throw new GenericSignatureFormatError(); |
| } |
| } |
| } |