001    /*
002     * Sonar, open source software quality management tool.
003     * Copyright (C) 2008-2012 SonarSource
004     * mailto:contact AT sonarsource DOT com
005     *
006     * Sonar is free software; you can redistribute it and/or
007     * modify it under the terms of the GNU Lesser General Public
008     * License as published by the Free Software Foundation; either
009     * version 3 of the License, or (at your option) any later version.
010     *
011     * Sonar is distributed in the hope that it will be useful,
012     * but WITHOUT ANY WARRANTY; without even the implied warranty of
013     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014     * Lesser General Public License for more details.
015     *
016     * You should have received a copy of the GNU Lesser General Public
017     * License along with Sonar; if not, write to the Free Software
018     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
019     */
020    package org.sonar.java.signature;
021    
022    import java.util.List;
023    
024    public final class MethodSignatureScanner {
025    
026      private final String bytecodeMethodSignature;
027    
028      private MethodSignatureScanner(String bytecodeMethodSignature) {
029        this.bytecodeMethodSignature = bytecodeMethodSignature;
030      }
031    
032      public static MethodSignature scan(String bytecodeMethodSignature) {
033        MethodSignatureScanner scanner = new MethodSignatureScanner(bytecodeMethodSignature);
034        return scanner.scan();
035      }
036    
037      private MethodSignature scan() {
038        int leftBracketIndex = bytecodeMethodSignature.indexOf('(');
039        int rightBracketIndex = bytecodeMethodSignature.indexOf(')');
040        String methodName = bytecodeMethodSignature.substring(0, leftBracketIndex);
041        Parameter returnType = ParameterSignatureScanner.scan(bytecodeMethodSignature.substring(rightBracketIndex + 1));
042        List<Parameter> argumentTypes = ParameterSignatureScanner.scanArguments(bytecodeMethodSignature.substring(leftBracketIndex + 1,
043            rightBracketIndex));
044        return new MethodSignature(methodName, returnType, argumentTypes);
045      }
046    
047    }