| /*** |
| * ASM: a very small and fast Java bytecode manipulation framework |
| * Copyright (c) 2000-2011 INRIA, France Telecom |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of the copyright holders nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| package org.objectweb.asm.optimizer; |
| |
| import java.io.BufferedInputStream; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.HashSet; |
| import java.util.Properties; |
| import java.util.Set; |
| |
| import org.objectweb.asm.Type; |
| |
| /** |
| * A MAPPING from names to names, used to rename classes, fields and methods. |
| * |
| * @author Eric Bruneton |
| */ |
| public class NameMapping { |
| |
| public final Properties mapping; |
| |
| public final Set<Object> unused; |
| |
| public NameMapping(final String file) throws IOException { |
| mapping = new Properties(); |
| InputStream is = null; |
| try { |
| is = new BufferedInputStream(new FileInputStream(file)); |
| mapping.load(is); |
| unused = new HashSet<Object>(mapping.keySet()); |
| } finally { |
| if (is != null) { |
| is.close(); |
| } |
| } |
| } |
| |
| public String map(final String name) { |
| String s = (String) mapping.get(name); |
| if (s == null) { |
| int p = name.indexOf('.'); |
| if (p == -1) { |
| s = name; |
| } else { |
| int q = name.indexOf('('); |
| if (q == -1) { |
| s = name.substring(p + 1); |
| } else { |
| s = name.substring(p + 1, q); |
| } |
| } |
| } else { |
| unused.remove(name); |
| } |
| return s; |
| } |
| |
| public String fix(final String desc) { |
| if (desc.startsWith("(")) { |
| Type[] arguments = Type.getArgumentTypes(desc); |
| Type result = Type.getReturnType(desc); |
| for (int i = 0; i < arguments.length; ++i) { |
| arguments[i] = fix(arguments[i]); |
| } |
| result = fix(result); |
| return Type.getMethodDescriptor(result, arguments); |
| } else { |
| return fix(Type.getType(desc)).getDescriptor(); |
| } |
| } |
| |
| private Type fix(final Type t) { |
| if (t.getSort() == Type.OBJECT) { |
| return Type.getObjectType(map(t.getInternalName())); |
| } else if (t.getSort() == Type.ARRAY) { |
| String s = fix(t.getElementType()).getDescriptor(); |
| for (int i = 0; i < t.getDimensions(); ++i) { |
| s = '[' + s; |
| } |
| return Type.getType(s); |
| } else { |
| return t; |
| } |
| } |
| } |