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 */
020package org.sonar.java.signature;
021
022import java.util.List;
023
024public 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}