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diff --git a/src/share/classes/com/sun/org/apache/bcel/internal/classfile/InnerClasses.java b/src/share/classes/com/sun/org/apache/bcel/internal/classfile/InnerClasses.java
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@@ -0,0 +1,184 @@
+/*
+ * reserved comment block
+ * DO NOT REMOVE OR ALTER!
+ */
+package com.sun.org.apache.bcel.internal.classfile;
+
+/* ====================================================================
+ * The Apache Software License, Version 1.1
+ *
+ * Copyright (c) 2001 The Apache Software Foundation.  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
+ *        Apache Software Foundation (http://www.apache.org/)."
+ *    Alternately, this acknowledgment may appear in the software itself,
+ *    if and wherever such third-party acknowledgments normally appear.
+ *
+ * 4. The names "Apache" and "Apache Software Foundation" and
+ *    "Apache BCEL" must not be used to endorse or promote products
+ *    derived from this software without prior written permission. For
+ *    written permission, please contact apache@apache.org.
+ *
+ * 5. Products derived from this software may not be called "Apache",
+ *    "Apache BCEL", nor may "Apache" appear in their name, without
+ *    prior written permission of the Apache Software Foundation.
+ *
+ * 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 APACHE SOFTWARE FOUNDATION 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.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ */
+
+import  com.sun.org.apache.bcel.internal.Constants;
+import  java.io.*;
+
+/**
+ * This class is derived from <em>Attribute</em> and denotes that this class
+ * is an Inner class of another.
+ * to the source file of this class.
+ * It is instantiated from the <em>Attribute.readAttribute()</em> method.
+ *
+ * @author  <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
+ * @see     Attribute
+ */
+public final class InnerClasses extends Attribute {
+  private InnerClass[] inner_classes;
+  private int          number_of_classes;
+
+  /**
+   * Initialize from another object. Note that both objects use the same
+   * references (shallow copy). Use clone() for a physical copy.
+   */
+  public InnerClasses(InnerClasses c) {
+    this(c.getNameIndex(), c.getLength(), c.getInnerClasses(),
+         c.getConstantPool());
+  }
+
+  /**
+   * @param name_index Index in constant pool to CONSTANT_Utf8
+   * @param length Content length in bytes
+   * @param inner_classes array of inner classes attributes
+   * @param constant_pool Array of constants
+   * @param sourcefile_index Index in constant pool to CONSTANT_Utf8
+   */
+  public InnerClasses(int name_index, int length,
+                      InnerClass[] inner_classes,
+                      ConstantPool constant_pool)
+  {
+    super(Constants.ATTR_INNER_CLASSES, name_index, length, constant_pool);
+    setInnerClasses(inner_classes);
+  }
+
+  /**
+   * Construct object from file stream.
+   *
+   * @param name_index Index in constant pool to CONSTANT_Utf8
+   * @param length Content length in bytes
+   * @param file Input stream
+   * @param constant_pool Array of constants
+   * @throws IOException
+   */
+  InnerClasses(int name_index, int length, DataInputStream file,
+               ConstantPool constant_pool) throws IOException
+  {
+    this(name_index, length, (InnerClass[])null, constant_pool);
+
+    number_of_classes = file.readUnsignedShort();
+    inner_classes = new InnerClass[number_of_classes];
+
+    for(int i=0; i < number_of_classes; i++)
+      inner_classes[i] = new InnerClass(file);
+  }
+  /**
+   * Called by objects that are traversing the nodes of the tree implicitely
+   * defined by the contents of a Java class. I.e., the hierarchy of methods,
+   * fields, attributes, etc. spawns a tree of objects.
+   *
+   * @param v Visitor object
+   */
+  public void accept(Visitor v) {
+    v.visitInnerClasses(this);
+  }
+  /**
+   * Dump source file attribute to file stream in binary format.
+   *
+   * @param file Output file stream
+   * @throws IOException
+   */
+  public final void dump(DataOutputStream file) throws IOException
+  {
+    super.dump(file);
+    file.writeShort(number_of_classes);
+
+    for(int i=0; i < number_of_classes; i++)
+      inner_classes[i].dump(file);
+  }
+
+  /**
+   * @return array of inner class "records"
+   */
+  public final InnerClass[] getInnerClasses() { return inner_classes; }
+
+  /**
+   * @param inner_classes.
+   */
+  public final void setInnerClasses(InnerClass[] inner_classes) {
+    this.inner_classes = inner_classes;
+    number_of_classes = (inner_classes == null)? 0 : inner_classes.length;
+  }
+
+  /**
+   * @return String representation.
+   */
+  public final String toString() {
+    StringBuffer buf = new StringBuffer();
+
+    for(int i=0; i < number_of_classes; i++)
+      buf.append(inner_classes[i].toString(constant_pool) + "\n");
+
+    return buf.toString();
+  }
+
+  /**
+   * @return deep copy of this attribute
+   */
+  public Attribute copy(ConstantPool constant_pool) {
+    InnerClasses c = (InnerClasses)clone();
+
+    c.inner_classes = new InnerClass[number_of_classes];
+    for(int i=0; i < number_of_classes; i++)
+      c.inner_classes[i] = inner_classes[i].copy();
+
+    c.constant_pool = constant_pool;
+    return c;
+  }
+}