/* * Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code 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 * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */package javax.swing.text.rtf; import java.util.Dictionary;import java.util.Enumeration;import javax.swing.text.AttributeSet;import javax.swing.text.MutableAttributeSet;  /* This AttributeSet is made entirely out of tofu and Ritz Crackers   and yet has a remarkably attribute-set-like interface! */class MockAttributeSet    implements AttributeSet, MutableAttributeSet{    public Dictionary<Object, Object> backing;     public boolean isEmpty()    {         return backing.isEmpty();    }     public int getAttributeCount()    {         return backing.size();    }     public boolean isDefined(Object name)    {         return ( backing.get(name) ) != null;    }     public boolean isEqual(AttributeSet attr)    {         throw new InternalError("MockAttributeSet: charade revealed!");    }     public AttributeSet copyAttributes()    {         throw new InternalError("MockAttributeSet: charade revealed!");    }     public Object getAttribute(Object name)    {        return backing.get(name);    }     public void addAttribute(Object name, Object value)    {        backing.put(name, value);    }     public void addAttributes(AttributeSet attr)    {        Enumeration as = attr.getAttributeNames();        while(as.hasMoreElements()) {            Object el = as.nextElement();            backing.put(el, attr.getAttribute(el));        }    }     public void removeAttribute(Object name)    {        backing.remove(name);    }     public void removeAttributes(AttributeSet attr)    {         throw new InternalError("MockAttributeSet: charade revealed!");    }     public void removeAttributes(Enumeration<?> en)    {         throw new InternalError("MockAttributeSet: charade revealed!");    }     public void setResolveParent(AttributeSet pp)    {         throw new InternalError("MockAttributeSet: charade revealed!");    }      public Enumeration getAttributeNames()    {         return backing.keys();    }     public boolean containsAttribute(Object name, Object value)    {         throw new InternalError("MockAttributeSet: charade revealed!");    }     public boolean containsAttributes(AttributeSet attr)    {         throw new InternalError("MockAttributeSet: charade revealed!");    }     public AttributeSet getResolveParent()    {         throw new InternalError("MockAttributeSet: charade revealed!");    }}