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diff --git a/libjava/java/security/PermissionCollection.java b/libjava/java/security/PermissionCollection.java
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-/* PermissionCollection.java -- A collection of permission objects
-   Copyright (C) 1998, 2001, 2002, 2005  Free Software Foundation, Inc.
-
-This file is part of GNU Classpath.
-
-GNU Classpath 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, or (at your option)
-any later version.
-
-GNU Classpath 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 GNU Classpath; see the file COPYING.  If not, write to the
-Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library.  Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module.  An independent module is a module which is not derived from
-or based on this library.  If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so.  If you do not wish to do so, delete this
-exception statement from your version. */
-
-package java.security;
-
-import java.io.Serializable;
-import java.util.Enumeration;
-
-/**
- * This class models a group of Java permissions.  It has convenient
- * methods for determining whether or not a given permission is implied
- * by any of the permissions in this collection.
- *
- * <p>Some care must be taken in storing permissions.  First, a collection of
- * the appropriate type must be created.  This is done by calling the
- * <code>newPermissionCollection</code> method on an object of the
- * permission class you wish to add to the collection.  If this method
- * returns <code>null</code>, any type of <code>PermissionCollection</code>
- * can be used to store permissions of that type.  However, if a
- * <code>PermissionCollection</code> collection object is returned, that
- * type must be used.
- *
- * <p>A <code>PermissionCollection</code> returned by the
- * <code>newPermissionCollection</code> method in a subclass of
- * <code>Permission</code> is a homogeneous collection.  It only will
- * hold permissions of one specified type - instances of the class that
- * created it.  Not all <code>PermissionCollection</code> subclasses
- * have to hold permissions of only one type however.  For example,
- * the <code>Permissions</code> class holds permissions of many types.
- *
- * <p>Since the <code>newPermissionCollection</code> in <code>Permission</code>
- * itself returns <code>null</code>, by default a permission can be stored
- * in any type of collection unless it overrides that method to create its
- * own collection type.
- *
- * @author Aaron M. Renn (arenn@urbanophile.com)
- * @author Eric Blake (ebb9@email.byu.edu)
- * @see Permission
- * @see Permissions
- * @since 1.1
- * @status updated to 1.4
- */
-public abstract class PermissionCollection implements Serializable
-{
-  /**
-   * Compatible with JDK 1.1+.
-   */
-  private static final long serialVersionUID = -6727011328946861783L;
-
-  /**
-   * Indicates whether or not this collection is read only.
-   *
-   * @serial if the collection is read-only
-   */
-  private boolean readOnly;
-
-  /**
-   * Create a new collection.
-   */
-  public PermissionCollection()
-  {
-  }
-
-  /**
-   * This method adds a new <code>Permission</code> object to the collection.
-   *
-   * @param perm the <code>Permission</code> to add
-   *
-   * @throws SecurityException if the collection is marked read only
-   * @throws IllegalArgumentException if perm is of the wrong type
-   */
-  public abstract void add(Permission perm);
-
-  /**
-   * This method tests whether the specified <code>Permission</code> object is
-   * implied by this collection of <code>Permission</code> objects.
-   *
-   * @param perm the <code>Permission</code> object to test
-   * @return true if the collection implies perm
-   */
-  public abstract boolean implies(Permission perm);
-
-  /**
-   * This method returns an <code>Enumeration</code> of all the objects in
-   * this collection.
-   *
-   * @return an <code>Enumeration</code> of this collection's objects
-   */
-  public abstract Enumeration elements();
-
-  /**
-   * This method sets this <code>PermissionCollection</code> object to be
-   * read only.  No further permissions can be added to it after calling this
-   * method.
-   */
-  public void setReadOnly()
-  {
-    readOnly = true;
-  }
-
-  /**
-   * This method tests whether or not this <code>PermissionCollection</code>
-   * object is read only.
-   *
-   * @return true if this collection is read only
-   */
-  public boolean isReadOnly()
-  {
-    return readOnly;
-  }
-
-  /**
-   * This method returns a <code>String</code> representation of this
-   * collection.  It is formed by:
-   * <pre>
-   * super.toString()" (\n"
-   *   // enumerate all permissions, one per line
-   * ")\n"
-   * </pre>
-   *
-   * @return a <code>String</code> representing this object
-   */
-  public String toString()
-  {
-    StringBuffer sb = new StringBuffer(super.toString());
-
-    sb.append(" (\n");
-    Enumeration e = elements();
-    while (e.hasMoreElements())
-      sb.append(' ').append(e.nextElement()).append('\n');
-    return sb.append(")\n").toString();
-  }
-} // class PermissionCollection