| /* Copyright (C) 2003 Vladimir Roubtsov. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under |
| * the terms of the Common Public License v1.0 which accompanies this distribution, |
| * and is available at http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * $Id: MethodCollection.java,v 1.1.1.1 2004/05/09 16:57:47 vlad_r Exp $ |
| */ |
| package com.vladium.jcd.cls; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import com.vladium.jcd.lib.UDataOutputStream; |
| import com.vladium.util.IntVector; |
| |
| // ---------------------------------------------------------------------------- |
| /** |
| * @author (C) 2001, Vlad Roubtsov |
| */ |
| final class MethodCollection implements IMethodCollection |
| { |
| // public: ................................................................ |
| |
| // ACCESSORS: |
| |
| public Method_info get (final int offset) |
| { |
| return (Method_info) m_methods.get (offset); |
| } |
| |
| public int [] get (final ClassDef cls, final String name) |
| { |
| if (cls == null) throw new IllegalArgumentException ("null input: cls"); |
| |
| // TODO: hash impl [not possible without having access to the parent ClassDef] |
| |
| final int count = m_methods.size (); // use size() if class becomes non-final |
| final IntVector result = new IntVector (count); |
| |
| for (int m = 0; m < count; ++ m) |
| { |
| final Method_info method = (Method_info) m_methods.get (m); |
| |
| if (method.getName (cls).equals (name)) |
| result.add (m); |
| } |
| |
| return result.values (); // IntVector optimizes for the empty case |
| } |
| |
| public int size () |
| { |
| return m_methods.size (); |
| } |
| |
| // Cloneable: |
| |
| /** |
| * Performs a deep copy. |
| */ |
| public Object clone () |
| { |
| try |
| { |
| final MethodCollection _clone = (MethodCollection) super.clone (); |
| |
| // deep clone: |
| final int methods_count = m_methods.size (); // use size() if class becomes non-final |
| _clone.m_methods = new ArrayList (methods_count); |
| for (int m = 0; m < methods_count; ++ m) |
| { |
| _clone.m_methods.add (((Method_info) m_methods.get (m)).clone ()); |
| } |
| |
| return _clone; |
| } |
| catch (CloneNotSupportedException e) |
| { |
| throw new InternalError (e.toString ()); |
| } |
| } |
| |
| // IClassFormatOutput: |
| |
| public void writeInClassFormat (final UDataOutputStream out) throws IOException |
| { |
| final int methods_count = m_methods.size (); // use size() if class becomes non-final |
| out.writeU2 (methods_count); |
| |
| for (int i = 0; i < methods_count; i++) |
| { |
| get (i).writeInClassFormat (out); |
| } |
| } |
| |
| // Visitor: |
| |
| public void accept (final IClassDefVisitor visitor, final Object ctx) |
| { |
| visitor.visit (this, ctx); |
| } |
| |
| |
| // MUTATORS: |
| |
| public int add (final Method_info method) |
| { |
| final int newoffset = m_methods.size (); // use size() if class becomes non-final |
| m_methods.add (method); |
| |
| return newoffset; |
| } |
| |
| public Method_info set (final int offset, final Method_info method) |
| { |
| return (Method_info) m_methods.set (offset, method); |
| } |
| |
| public Method_info remove (final int offset) |
| { |
| return (Method_info) m_methods.remove (offset); |
| } |
| |
| // protected: ............................................................. |
| |
| // package: ............................................................... |
| |
| |
| MethodCollection (final int capacity) |
| { |
| m_methods = capacity < 0 ? new ArrayList () : new ArrayList (capacity); |
| } |
| |
| // private: ............................................................... |
| |
| |
| private List/* Method_info */ m_methods; // method collection |
| |
| } // end of class |
| // ---------------------------------------------------------------------------- |
| |