Mercurial > hg > blitz_condensed
diff src/com/go/trove/classfile/InnerClassesAttr.java @ 0:3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
author | Dan Creswell <dan.creswell@gmail.com> |
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date | Sat, 21 Mar 2009 11:00:06 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/com/go/trove/classfile/InnerClassesAttr.java Sat Mar 21 11:00:06 2009 +0000 @@ -0,0 +1,243 @@ +/* ==================================================================== + * Trove - Copyright (c) 1997-2000 Walt Disney Internet Group + * ==================================================================== + * The Tea Software License, Version 1.1 + * + * Copyright (c) 2000 Walt Disney Internet Group. 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. The end-user documentation included with the redistribution, + * if any, must include the following acknowledgment: + * "This product includes software developed by the + * Walt Disney Internet Group (http://opensource.go.com/)." + * Alternately, this acknowledgment may appear in the software itself, + * if and wherever such third-party acknowledgments normally appear. + * + * 4. The names "Tea", "TeaServlet", "Kettle", "Trove" and "BeanDoc" must + * not be used to endorse or promote products derived from this + * software without prior written permission. For written + * permission, please contact opensource@dig.com. + * + * 5. Products derived from this software may not be called "Tea", + * "TeaServlet", "Kettle" or "Trove", nor may "Tea", "TeaServlet", + * "Kettle", "Trove" or "BeanDoc" appear in their name, without prior + * written permission of the Walt Disney Internet Group. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 WALT DISNEY INTERNET GROUP OR ITS + * 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. + * ==================================================================== + * + * For more information about Tea, please see http://opensource.go.com/. + */ + +package com.go.trove.classfile; + +import java.util.*; +import java.io.*; + +/****************************************************************************** + * This class corresponds to the InnerClasses_attribute structure introduced in + * JDK1.1. It is not defined in the first edition of + * <i>The Java Virual Machine Specification</i>. + * + * @author Brian S O'Neill + * @version + * <!--$$Revision: 1.1 $-->, <!--$$JustDate:--> 00/11/27 <!-- $--> + */ +class InnerClassesAttr extends Attribute { + private List mInnerClasses = new ArrayList(); + + public InnerClassesAttr(ConstantPool cp) { + super(cp, INNER_CLASSES); + } + + /** + * @param inner The full inner class name + * @param outer The full outer class name + * @param name The simple name of the inner class, or null if anonymous + * @param accessFlags Access flags for the inner class + */ + public void addInnerClass(String inner, + String outer, + String name, + AccessFlags accessFlags) { + + ConstantClassInfo innerInfo = ConstantClassInfo.make(mCp, inner); + ConstantClassInfo outerInfo; + if (outer == null) { + outerInfo = null; + } + else { + outerInfo = ConstantClassInfo.make(mCp, outer); + } + + ConstantUTFInfo nameInfo; + if (name == null) { + nameInfo = null; + } + else { + nameInfo = ConstantUTFInfo.make(mCp, name); + } + + mInnerClasses.add(new Info(innerInfo, outerInfo, nameInfo, + accessFlags.getModifier())); + } + + public Info[] getInnerClassesInfo() { + Info[] infos = new Info[mInnerClasses.size()]; + return (Info[])mInnerClasses.toArray(infos); + } + + public int getLength() { + return 2 + 8 * mInnerClasses.size(); + } + + public void writeDataTo(DataOutput dout) throws IOException { + int size = mInnerClasses.size(); + dout.writeShort(size); + for (int i=0; i<size; i++) { + ((Info)mInnerClasses.get(i)).writeTo(dout); + } + } + + static Attribute define(ConstantPool cp, + String name, + int length, + DataInput din) throws IOException { + + InnerClassesAttr innerClasses = new InnerClassesAttr(cp); + + int size = din.readUnsignedShort(); + for (int i=0; i<size; i++) { + int inner_index = din.readUnsignedShort(); + int outer_index = din.readUnsignedShort(); + int name_index = din.readUnsignedShort(); + int af = din.readUnsignedShort(); + + ConstantClassInfo inner; + if (inner_index == 0) { + inner = null; + } + else { + inner = (ConstantClassInfo)cp.getConstant(inner_index); + } + + ConstantClassInfo outer; + if (outer_index == 0) { + outer = null; + } + else { + outer = (ConstantClassInfo)cp.getConstant(outer_index); + } + + ConstantUTFInfo innerName; + if (name_index == 0) { + innerName = null; + } + else { + innerName = (ConstantUTFInfo)cp.getConstant(name_index); + } + + Info info = new Info(inner, outer, innerName, af); + innerClasses.mInnerClasses.add(info); + } + + return innerClasses; + } + + public static class Info { + private ConstantClassInfo mInner; + private ConstantClassInfo mOuter; + private ConstantUTFInfo mName; + private int mAccessFlags; + + Info(ConstantClassInfo inner, + ConstantClassInfo outer, + ConstantUTFInfo name, + int accessFlags) { + + mInner = inner; + mOuter = outer; + mName = name; + mAccessFlags = accessFlags; + } + + /** + * Returns null if no inner class specified. + */ + public ConstantClassInfo getInnerClass() { + return mInner; + } + + /** + * Returns null if no outer class specified. + */ + public ConstantClassInfo getOuterClass() { + return mOuter; + } + + /** + * Returns null if no inner class specified or is anonymous. + */ + public String getInnerClassName() { + if (mName == null) { + return null; + } + else { + return mName.getValue(); + } + } + + /** + * Returns a copy of the access flags. + */ + public AccessFlags getAccessFlags() { + return new AccessFlags(mAccessFlags); + } + + public void writeTo(DataOutput dout) throws IOException { + if (mInner == null) { + dout.writeShort(0); + } + else { + dout.writeShort(mInner.getIndex()); + } + + if (mOuter == null) { + dout.writeShort(0); + } + else { + dout.writeShort(mOuter.getIndex()); + } + + if (mName == null) { + dout.writeShort(0); + } + else { + dout.writeShort(mName.getIndex()); + } + + dout.writeShort(mAccessFlags); + } + } +}