Initial revision
From-SVN: r102074
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Tom Tromey
parent
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4557 changed files with 1000262 additions and 0 deletions
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/* AttributeSetUtilities.java --
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Copyright (C) 2003, 2004 Free Software Foundation, Inc.
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This file is 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, or (at your option)
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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; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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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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combination.
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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 javax.print.attribute;
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import java.io.Serializable;
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public final class AttributeSetUtilities
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{
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/**
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* This class isn't intended to be instantiated.
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*/
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private AttributeSetUtilities() {}
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private static class UnmodifiableAttributeSet
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implements AttributeSet, Serializable
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{
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private AttributeSet set;
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public UnmodifiableAttributeSet(AttributeSet attributeSet)
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{
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if (attributeSet == null)
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throw new NullPointerException("attributeSet may not be null");
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this.set = attributeSet;
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}
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public boolean add(Attribute attribute)
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{
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throw new UnmodifiableSetException();
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}
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public boolean addAll(AttributeSet attributes)
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{
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throw new UnmodifiableSetException();
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}
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public void clear()
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{
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throw new UnmodifiableSetException();
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}
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public boolean containsKey(Class category)
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{
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return set.containsKey(category);
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}
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public boolean containsValue(Attribute attribute)
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{
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return set.containsValue(attribute);
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}
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public boolean equals(Object obj)
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{
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return set.equals(obj);
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}
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public Attribute get(Class interfaceName)
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{
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return set.get(interfaceName);
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}
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public int hashCode()
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{
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return set.hashCode();
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}
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public boolean isEmpty()
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{
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return set.isEmpty();
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}
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public boolean remove(Class category)
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{
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throw new UnmodifiableSetException();
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}
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public boolean remove(Attribute attribute)
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{
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throw new UnmodifiableSetException();
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}
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public int size()
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{
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return set.size();
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}
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public Attribute[] toArray()
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{
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return set.toArray();
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}
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}
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private static class UnmodifiableDocAttributeSet
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extends UnmodifiableAttributeSet
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implements DocAttributeSet, Serializable
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{
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public UnmodifiableDocAttributeSet(DocAttributeSet attributeSet)
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{
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super(attributeSet);
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}
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}
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private static class UnmodifiablePrintJobAttributeSet
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extends UnmodifiableAttributeSet
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implements PrintJobAttributeSet, Serializable
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{
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public UnmodifiablePrintJobAttributeSet(PrintJobAttributeSet attributeSet)
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{
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super(attributeSet);
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}
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}
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private static class UnmodifiablePrintRequestAttributeSet
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extends UnmodifiableAttributeSet
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implements PrintRequestAttributeSet, Serializable
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{
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public UnmodifiablePrintRequestAttributeSet(PrintRequestAttributeSet attributeSet)
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{
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super(attributeSet);
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}
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}
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private static class UnmodifiablePrintServiceAttributeSet
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extends UnmodifiableAttributeSet
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implements PrintServiceAttributeSet, Serializable
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{
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public UnmodifiablePrintServiceAttributeSet(PrintServiceAttributeSet attributeSet)
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{
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super(attributeSet);
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}
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}
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private static class SynchronizedAttributeSet
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implements AttributeSet, Serializable
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{
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private AttributeSet set;
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public SynchronizedAttributeSet(AttributeSet attributeSet)
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{
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if (attributeSet == null)
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throw new NullPointerException("attributeSet may not be null");
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this.set = attributeSet;
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}
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public synchronized boolean add(Attribute attribute)
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{
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return set.add(attribute);
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}
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public synchronized boolean addAll(AttributeSet attributes)
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{
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return set.addAll(attributes);
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}
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public synchronized void clear()
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{
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set.clear();
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}
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public synchronized boolean containsKey(Class category)
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{
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return set.containsKey(category);
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}
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public synchronized boolean containsValue(Attribute attribute)
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{
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return set.containsValue(attribute);
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}
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public synchronized boolean equals(Object obj)
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{
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return set.equals(obj);
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}
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public synchronized Attribute get(Class interfaceName)
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{
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return set.get(interfaceName);
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}
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public synchronized int hashCode()
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{
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return set.hashCode();
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}
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public synchronized boolean isEmpty()
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{
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return set.isEmpty();
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}
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public synchronized boolean remove(Class category)
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{
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return set.remove(category);
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}
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public synchronized boolean remove(Attribute attribute)
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{
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return set.remove(attribute);
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}
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public synchronized int size()
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{
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return set.size();
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}
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public synchronized Attribute[] toArray()
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{
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return set.toArray();
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}
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}
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private static class SynchronizedDocAttributeSet
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extends SynchronizedAttributeSet
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implements DocAttributeSet, Serializable
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{
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public SynchronizedDocAttributeSet(DocAttributeSet attributeSet)
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{
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super(attributeSet);
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}
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}
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private static class SynchronizedPrintJobAttributeSet
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extends SynchronizedAttributeSet
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implements PrintJobAttributeSet, Serializable
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{
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public SynchronizedPrintJobAttributeSet(PrintJobAttributeSet attributeSet)
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{
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super(attributeSet);
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}
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}
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private static class SynchronizedPrintRequestAttributeSet
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extends SynchronizedAttributeSet
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implements PrintRequestAttributeSet, Serializable
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{
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public SynchronizedPrintRequestAttributeSet(PrintRequestAttributeSet attributeSet)
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{
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super(attributeSet);
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}
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}
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private static class SynchronizedPrintServiceAttributeSet
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extends SynchronizedAttributeSet
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implements PrintServiceAttributeSet, Serializable
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{
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public SynchronizedPrintServiceAttributeSet(PrintServiceAttributeSet attributeSet)
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{
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super(attributeSet);
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}
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}
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/**
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* Returns a synchronized view of the given attribute set.
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*
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* @return the sychronized attribute set
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*/
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public static AttributeSet synchronizedView(AttributeSet attributeSet)
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{
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return new SynchronizedAttributeSet(attributeSet);
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}
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/**
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* Returns a synchronized view of the given attribute set.
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*
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* @return the sychronized attribute set
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*/
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public static DocAttributeSet synchronizedView(DocAttributeSet attributeSet)
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{
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return new SynchronizedDocAttributeSet(attributeSet);
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}
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/**
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* Returns a synchronized view of the given attribute set.
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*
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* @return the sychronized attribute set
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*/
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public static PrintJobAttributeSet synchronizedView(PrintJobAttributeSet attributeSet)
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{
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return new SynchronizedPrintJobAttributeSet(attributeSet);
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}
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/**
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* Returns a synchronized view of the given attribute set.
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*
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* @return the sychronized attribute set
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*/
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public static PrintRequestAttributeSet synchronizedView(PrintRequestAttributeSet attributeSet)
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{
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return new SynchronizedPrintRequestAttributeSet(attributeSet);
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}
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/**
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* Returns a synchronized view of the given attribute set.
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*
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* @return the sychronized attribute set
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*/
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public static PrintServiceAttributeSet synchronizedView(PrintServiceAttributeSet attributeSet)
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{
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return new SynchronizedPrintServiceAttributeSet(attributeSet);
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}
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/**
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* Returns an unmodifiable view of the given attribute set.
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*
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* @return the sychronized attribute set
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*/
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public static AttributeSet unmodifiableView(AttributeSet attributeSet)
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{
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return new UnmodifiableAttributeSet(attributeSet);
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}
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/**
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* Returns an unmodifiable view of the given attribute set.
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*
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* @return the sychronized attribute set
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*/
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public static DocAttributeSet unmodifiableView(DocAttributeSet attributeSet)
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{
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return new UnmodifiableDocAttributeSet(attributeSet);
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}
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/**
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* Returns an unmodifiable view of the given attribute set.
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*
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* @return the sychronized attribute set
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*/
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public static PrintJobAttributeSet unmodifiableView(PrintJobAttributeSet attributeSet)
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{
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return new UnmodifiablePrintJobAttributeSet(attributeSet);
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}
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/**
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* Returns an unmodifiable view of the given attribute set.
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*
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* @return the sychronized attribute set
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*/
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public static PrintRequestAttributeSet unmodifiableView(PrintRequestAttributeSet attributeSet)
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{
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return new UnmodifiablePrintRequestAttributeSet(attributeSet);
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}
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/**
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* Returns an unmodifiable view of the given attribute set.
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*
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* @return the sychronized attribute set
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*/
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public static PrintServiceAttributeSet unmodifiableView(PrintServiceAttributeSet attributeSet)
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{
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return new UnmodifiablePrintServiceAttributeSet(attributeSet);
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}
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/**
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* Verifies that the given object is a <code>Class</code> that
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* implements the given interface name.
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*
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* @return object casted to <code>Class</code>
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*
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* @exception ClassCastException if object is not a <code>Class</code>
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* that implements interfaceName
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* @exception NullPointerException if object is null
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*/
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public static Class verifyAttributeCategory(Object object,
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Class interfaceName)
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{
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if (object == null)
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throw new NullPointerException("object may not be null");
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Class clazz = (Class) object;
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if (interfaceName.isAssignableFrom(clazz))
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return clazz;
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throw new ClassCastException();
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}
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/**
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* Verifies that the given object is an attribute of the given interface.
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*
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* @return the object casted to <code>Attribute</code>
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*
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* @exception ClassCastException if object is no instance of interfaceName.
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* @exception NullPointerException if object is null
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*/
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public static Attribute verifyAttributeValue(Object object,
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Class interfaceName)
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{
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if (object == null)
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throw new NullPointerException("object may not be null");
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if (interfaceName.isInstance(object))
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return (Attribute) object;
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throw new ClassCastException();
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}
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/**
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* Verifies that the category of attribute is equals to category.
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*
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* @param category the category the atteribute should be
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* @param attribute the attribute to verify
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*
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* @exception IllegalArgumentException if the categories are not equal
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* @exception NullPointerException if category is null
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*/
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public static void verifyCategoryForValue(Class category,
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Attribute attribute)
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{
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if (category == null)
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throw new NullPointerException("object may not be null");
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if (category.equals(attribute.getCategory()))
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throw new IllegalArgumentException
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("category of attribute not equal to category");
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}
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}
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