4f9533c772
Imported GNU Classpath 0.90 * scripts/makemake.tcl: LocaleData.java moved to gnu/java/locale. * sources.am: Regenerated. * gcj/javaprims.h: Regenerated. * Makefile.in: Regenerated. * gcj/Makefile.in: Regenerated. * include/Makefile.in: Regenerated. * testsuite/Makefile.in: Regenerated. * gnu/java/lang/VMInstrumentationImpl.java: New override. * gnu/java/net/local/LocalSocketImpl.java: Likewise. * gnu/classpath/jdwp/VMMethod.java: Likewise. * gnu/classpath/jdwp/VMVirtualMachine.java: Update to latest interface. * java/lang/Thread.java: Add UncaughtExceptionHandler. * java/lang/reflect/Method.java: Implements GenericDeclaration and isSynthetic(), * java/lang/reflect/Field.java: Likewise. * java/lang/reflect/Constructor.java * java/lang/Class.java: Implements Type, GenericDeclaration, getSimpleName() and getEnclosing*() methods. * java/lang/Class.h: Add new public methods. * java/lang/Math.java: Add signum(), ulp() and log10(). * java/lang/natMath.cc (log10): New function. * java/security/VMSecureRandom.java: New override. * java/util/logging/Logger.java: Updated to latest classpath version. * java/util/logging/LogManager.java: New override. From-SVN: r113887
261 lines
8.2 KiB
Java
261 lines
8.2 KiB
Java
/* CupsPrintServiceLookup.java -- Implementation based on CUPS
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Copyright (C) 2006 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 gnu.javax.print;
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import gnu.javax.print.ipp.IppException;
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import java.util.ArrayList;
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import javax.print.DocFlavor;
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import javax.print.MultiDocPrintService;
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import javax.print.PrintService;
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import javax.print.PrintServiceLookup;
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import javax.print.attribute.Attribute;
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import javax.print.attribute.AttributeSet;
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/**
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* The platform default implementation based on CUPS.
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*
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* @author Wolfgang Baer (WBaer@gmx.de)
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*/
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public class CupsPrintServiceLookup extends PrintServiceLookup
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{
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private CupsServer server;
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/**
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* Default constructor checking security access.
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*/
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public CupsPrintServiceLookup()
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{
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// security
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SecurityManager sm = System.getSecurityManager();
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if (sm != null)
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sm.checkPrintJobAccess();
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// use the localhost cups server
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server = new CupsServer(null, null);
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}
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/**
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* This is the printer marked as default in CUPS.
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*
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* @return The default lookup service or
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* <code>null</code> if there is no default.
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*/
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public PrintService getDefaultPrintService()
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{
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try
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{
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return server.getDefaultPrinter();
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}
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catch (IppException e)
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{
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// if discovery fails treat as if there is none
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return null;
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}
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}
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/**
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* All printers and printer classes of the CUPS server are checked.
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* If flavors or attributes are null the constraint is not used.
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*
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* @param flavors the document flavors which have to be supported.
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* @param attributes the attributes which have to be supported.
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*
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* @return The multidoc print services of the implementing lookup service
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* for the given parameters, or an array of length 0 if none is available.
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*/
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public MultiDocPrintService[] getMultiDocPrintServices(DocFlavor[] flavors,
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AttributeSet attributes)
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{
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ArrayList result = new ArrayList();
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PrintService[] services = getPrintServices();
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for (int i=0; i < services.length; i++)
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{
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if (checkMultiDocPrintService(flavors, attributes, services[i]))
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result.add(services[i]);
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}
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return (MultiDocPrintService[]) result.toArray(
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new MultiDocPrintService[result.size()]);
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}
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/**
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* These are all printers and printer classes of the CUPS server.
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*
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* @return All known print services regardless of supported features,
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* or an array of length 0 if none is available.
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*/
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public PrintService[] getPrintServices()
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{
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ArrayList result = new ArrayList();
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try
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{
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result.addAll(server.getAllPrinters());
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result.addAll(server.getAllClasses());
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}
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catch (IppException e)
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{
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// ignore as this method cannot throw exceptions
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// if print service discovery fails - bad luck
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}
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return (PrintService[]) result.toArray(new PrintService[result.size()]);
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}
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/**
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* All printers and printer classes of the CUPS server are checked.
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* If flavor or attributes are null the constraint is not used.
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*
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* @param flavor the document flavor which has to be supported.
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* @param attributes the attributes which have to be supported.
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*
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* @return The print services of the implementing lookup service
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* for the given parameters, or an array of length 0 if none is available.
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*/
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public PrintService[] getPrintServices(DocFlavor flavor,
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AttributeSet attributes)
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{
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ArrayList result = new ArrayList();
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PrintService[] services = getPrintServices();
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for (int i=0; i < services.length; i++)
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{
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if (checkPrintService(flavor, attributes, services[i]))
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result.add(services[i]);
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}
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return (PrintService[]) result.toArray(new PrintService[result.size()]);
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}
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/**
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* Checks the given print service - own method so it can be used also
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* to check application registered print services from PrintServiceLookup.
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*
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* @param flavor the document flavor which has to be supported.
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* @param attributes the attributes which have to be supported.
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* @param service the service to check
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*
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* @return <code>true</code> if all constraints match, <code>false</code>
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* otherwise.
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*/
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public boolean checkPrintService(DocFlavor flavor, AttributeSet attributes,
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PrintService service)
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{
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boolean allAttributesSupported = true;
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if (flavor == null || service.isDocFlavorSupported(flavor))
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{
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if (attributes == null || attributes.size() == 0)
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return allAttributesSupported;
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Attribute[] atts = attributes.toArray();
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for (int i = 0; i < atts.length; i++)
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{
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if (! service.isAttributeCategorySupported(atts[i].getCategory()))
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{
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allAttributesSupported = false;
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break;
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}
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}
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return allAttributesSupported;
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}
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return false;
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}
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/**
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* Checks the given print service - own method so it can be used also
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* to check application registered print services from PrintServiceLookup.
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*
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* @param flavors the document flavors which have to be supported.
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* @param attributes the attributes which have to be supported.
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* @param service the service to check
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*
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* @return <code>true</code> if all constraints match, <code>false</code>
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* otherwise.
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*/
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public boolean checkMultiDocPrintService(DocFlavor[] flavors,
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AttributeSet attributes, PrintService service)
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{
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if (service instanceof MultiDocPrintService)
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{
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boolean allFlavorsSupported = true;
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boolean allAttributesSupported = true;
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if (flavors == null || flavors.length != 0)
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allFlavorsSupported = true;
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else
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{
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for (int k = 0; k < flavors.length; k++)
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{
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if (! service.isDocFlavorSupported(flavors[k]))
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{
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allFlavorsSupported = false;
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break;
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}
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}
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}
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if (attributes == null || attributes.size() == 0)
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allAttributesSupported = true;
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else
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{
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Attribute[] atts = attributes.toArray();
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for (int j = 0; j < atts.length; j++)
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{
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if (! service.isAttributeCategorySupported(
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atts[j].getCategory()))
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{
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allAttributesSupported = false;
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break;
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}
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}
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}
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if (allAttributesSupported && allFlavorsSupported)
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return true;
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}
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return false;
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}
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}
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