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/* MaskableEnvelopeEntry.java --
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Copyright (C) 2003, 2006 Free Software Foundation, Inc.
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This file is a part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or (at
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your option) any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.javax.crypto.keyring;
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import java.util.ArrayList;
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import java.util.List;
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* An envelope entry that can be "masked" -- placed in a state where the
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* envelope's contents cannot be accessed, due to the envelope not being
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* fully decoded, for example.
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public abstract class MaskableEnvelopeEntry extends EnvelopeEntry
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// ------------------------------------------------------------------------
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/** The masked state. */
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protected boolean masked;
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// ------------------------------------------------------------------------
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public MaskableEnvelopeEntry(int type, Properties properties)
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super(type, properties);
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protected MaskableEnvelopeEntry(int type)
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// ------------------------------------------------------------------------
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* Sets the masked state to the specified value.
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* @param masked The new masked state.
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protected final void setMasked(boolean masked)
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* Gets the masked state of this object. Certain operations on this object
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* will fail if it is masked.
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* @return The current masked state.
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public boolean isMasked()
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public void add(Entry entry)
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throw new IllegalStateException("masked envelope");
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public boolean containsEntry(Entry entry)
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throw new IllegalStateException("masked envelope");
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return super.containsEntry(entry);
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public List getEntries()
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throw new IllegalStateException("masked envelope");
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return new ArrayList(entries);
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public List get(String alias)
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throw new IllegalStateException("masked envelope");
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return super.get(alias);
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public boolean remove(Entry entry)
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throw new IllegalStateException("masked envelope");
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return super.remove(entry);
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public void remove(String alias)
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throw new IllegalStateException("masked envelope");