gt:         if (!(o instanceof MethodDescriptor)) {
context: /*
   *  ProtocolLib - Bukkit server library that allows access to the Minecraft protocol.
   *  Copyright (C) 2012 Kristian S. Stangeland
   *
   *  This program 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 of 
   *  the License, or (at your option) any later version.
   *
   *  This program 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 this program; 
   *  if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 
   *  02111-1307 USA
   */
  
  package com.comphenix.protocol.reflect.compiler;
  
  import java.util.HashMap;
  import java.util.Map;
  
  import net.sf.cglib.asm.Type;
  
  /**
   * Represents a method.
   */
  class MethodDescriptor {
  
      /**
       * The method name.
       */
      private final String name;
  
      /**
       * The method descriptor.
       */
      private final String desc;
  
      /**
       * Maps primitive Java type names to their descriptors.
       */
      private static final Map<String, String> DESCRIPTORS;
  
      static {
          DESCRIPTORS = new HashMap<String, String>();
          DESCRIPTORS.put("void", "V");
          DESCRIPTORS.put("byte", "B");
          DESCRIPTORS.put("char", "C");
          DESCRIPTORS.put("double", "D");
          DESCRIPTORS.put("float", "F");
          DESCRIPTORS.put("int", "I");
          DESCRIPTORS.put("long", "J");
          DESCRIPTORS.put("short", "S");
          DESCRIPTORS.put("boolean", "Z");
      }
  
      /**
       * Creates a new {@link Method}.
       * 
       * @param name the method's name.
       * @param desc the method's descriptor.
       */
      public MethodDescriptor(final String name, final String desc) {
          this.name = name;
          this.desc = desc;
      }
  
      /**
       * Creates a new {@link Method}.
       * 
       * @param name the method's name.
       * @param returnType the method's return type.
       * @param argumentTypes the method's argument types.
       */
      public MethodDescriptor(
          final String name,
          final Type returnType,
          final Type[] argumentTypes)
      {
          this(name, Type.getMethodDescriptor(returnType, argumentTypes));
      }
  
      /**
       * Returns a {@link Method} corresponding to the given Java method
       * declaration.
       * 
       * @param method a Java method declaration, without argument names, of the
       *        form "returnType name (argumentType1, ... argumentTypeN)", where
       *        the types are in plain Java (e.g. "int", "float",
       *        "java.util.List", ...). Classes of the java.lang package can be
       *        specified by their unqualified name; all other classes names must
       *        be fully qualified.
       * @return a {@link Method} corresponding to the given Java method
       *         declaration.
       * @throws IllegalArgumentException if <code>method</code> could not get
       *         parsed.
       */
      public static MethodDescriptor getMethod(final String method)
              throws IllegalArgumentException
      {
          return getMethod(method, false);
      }
  
      /**
       * Returns a {@link Method} corresponding to the given Java method
       * declaration.
       * 
       * @param method a Java method declaration, without argument names, of the
       *        form "returnType name (argumentType1, ... argumentTypeN)", where
       *        the types are in plain Java (e.g. "int", "float",
       *        "java.util.List", ...). Classes of the java.lang package may be
       *        specified by their unqualified name, depending on the
       *        defaultPackage argument; all other classes names must be fully
       *        qualified.
       * @param defaultPackage true if unqualified class names belong to the
       *        default package, or false if they correspond to java.lang classes.
       *        For instance "Object" means "Object" if this option is true, or
       *        "java.lang.Object" otherwise.
       * @return a {@link Method} corresponding to the given Java method
       *         declaration.
       * @throws IllegalArgumentException if <code>method</code> could not get
       *         parsed.
       */
      public static MethodDescriptor getMethod(
          final String method,
          final boolean defaultPackage) throws IllegalArgumentException
      {
          int space = method.indexOf(' ');
          int start = method.indexOf('(', space) + 1;
          int end = method.indexOf(')', start);
          if (space == -1 || start == -1 || end == -1) {
              throw new IllegalArgumentException();
          }
          String returnType = method.substring(0, space);
          String methodName = method.substring(space + 1, start - 1).trim();
          StringBuffer sb = new StringBuffer();
          sb.append('(');
          int p;
          do {
              String s;
              p = method.indexOf(',', start);
              if (p == -1) {
                  s = map(method.substring(start, end).trim(), defaultPackage);
              } else {
                  s = map(method.substring(start, p).trim(), defaultPackage);
                  start = p + 1;
              }
              sb.append(s);
          } while (p != -1);
          sb.append(')');
          sb.append(map(returnType, defaultPackage));
          return new MethodDescriptor(methodName, sb.toString());
      }
  
      private static String map(final String type, final boolean defaultPackage) {
          if ("".equals(type)) {
              return type;
          }
  
          StringBuffer sb = new StringBuffer();
          int index = 0;
          while ((index = type.indexOf("[]", index) + 1) > 0) {
              sb.append('[');
          }
  
          String t = type.substring(0, type.length() - sb.length() * 2);
          String desc = (String) DESCRIPTORS.get(t);
          if (desc != null) {
              sb.append(desc);
          } else {
              sb.append('L');
              if (t.indexOf('.') < 0) {
                  if (!defaultPackage) {
                      sb.append("java/lang/");
                  }
                  sb.append(t);
              } else {
                  sb.append(t.replace('.', '/'));
              }
              sb.append(';');
          }
          return sb.toString();
      }
  
      /**
       * Returns the name of the method described by this object.
       * 
       * @return the name of the method described by this object.
       */
      public String getName() {
          return name;
      }
  
      /**
       * Returns the descriptor of the method described by this object.
       * 
       * @return the descriptor of the method described by this object.
       */
      public String getDescriptor() {
          return desc;
      }
  
      /**
       * Returns the return type of the method described by this object.
       * 
       * @return the return type of the method described by this object.
       */
      public Type getReturnType() {
          return Type.getReturnType(desc);
      }
  
      /**
       * Returns the argument types of the method described by this object.
       * 
       * @return the argument types of the method described by this object.
       */
      public Type[] getArgumentTypes() {
          return Type.getArgumentTypes(desc);
      }
  
      public String toString() {
          return name + desc;
      }
  
      public boolean equals(final Object o) {
  