8aa540d2f7
Imported GNU Classpath 0.90 * scripts/makemake.tcl: Set gnu/java/awt/peer/swing to ignore. * gnu/classpath/jdwp/VMFrame.java (SIZE): New constant. * java/lang/VMCompiler.java: Use gnu.java.security.hash.MD5. * java/lang/Math.java: New override file. * java/lang/Character.java: Merged from Classpath. (start, end): Now 'int's. (canonicalName): New field. (CANONICAL_NAME, NO_SPACES_NAME, CONSTANT_NAME): New constants. (UnicodeBlock): Added argument. (of): New overload. (forName): New method. Updated unicode blocks. (sets): Updated. * sources.am: Regenerated. * Makefile.in: Likewise. From-SVN: r111942
131 lines
4.6 KiB
Java
131 lines
4.6 KiB
Java
/* StreamPrintServiceFactory.java --
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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 javax.print;
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import gnu.classpath.ServiceFactory;
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import java.io.OutputStream;
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import java.util.Arrays;
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import java.util.HashSet;
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import java.util.Iterator;
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/**
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* <code>StreamPrintServiceFactory</code> provides a static method to lookup
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* registered factories to construct <code>StreamPrintService</code> instances.
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* <p>
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* <code>StreamPrintService</code> are used to print into a provided output
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* stream in the document format provided by the stream print service
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* implementation.
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* </p><p>
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* Implementations are located and loaded automatically through the SPI JAR
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* file specification. Therefore implementation classes must provide a default
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* constructor for instantiation.
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* </p>
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*
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* @author Wolfgang Baer (WBaer@gmx.de)
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*/
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public abstract class StreamPrintServiceFactory
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{
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/**
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* Default public constructor.
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* Used for automatic loading and instantiation through
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* the SPI jar file specification.
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*/
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public StreamPrintServiceFactory()
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{
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// nothing to do
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}
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/**
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* Searches for matching factories providing stream print services that
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* support the printing of documents with the given document flavor into
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* the given output mime type.
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*
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* @param flavor the document flavor needed, <code>null</code> doesn't
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* constrain the lookup result.
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* @param outputMimeType the mime type needed, <code>null</code> doesn't
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* constrain the lookup result.
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*
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* @return The matching <code>StreamPrintServiceFactory</code> instances.
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*/
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public static StreamPrintServiceFactory[] lookupStreamPrintServiceFactories(
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DocFlavor flavor, String outputMimeType)
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{
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HashSet set = new HashSet();
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Iterator it =
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ServiceFactory.lookupProviders(StreamPrintServiceFactory.class);
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while (it.hasNext())
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{
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StreamPrintServiceFactory tmp = (StreamPrintServiceFactory) it.next();
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if (tmp.getOutputFormat().equals(outputMimeType)
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&& Arrays.asList(tmp.getSupportedDocFlavors()).contains(flavor))
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set.add(tmp);
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}
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StreamPrintServiceFactory[] tmp = new StreamPrintServiceFactory[set.size()];
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return (StreamPrintServiceFactory[]) set.toArray(tmp);
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}
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/**
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* Returns the output format supported by this factory.
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*
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* @return The mime type of the output format as string representation.
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*/
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public abstract String getOutputFormat();
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/**
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* Returns the document flavors this factory supports as flavors
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* for the input documents.
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*
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* @return The array of supported document flavors.
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*/
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public abstract DocFlavor[] getSupportedDocFlavors();
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/**
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* Constructs a <code>StreamPrintService</code> which directs its output
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* the given output stream.
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*
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* @param out the output stream for the produced document.
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* @return The constructed stream print service.
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*/
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public abstract StreamPrintService getPrintService(OutputStream out);
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}
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