From 8aa540d2f783474d1d2e06f16744bf67b9c1facc Mon Sep 17 00:00:00 2001 From: Mark Wielaard Date: Fri, 10 Mar 2006 21:46:48 +0000 Subject: Imported GNU Classpath 0.90 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 --- libjava/classpath/javax/print/SimpleDoc.java | 223 +++++++++++++++++++++++++++ 1 file changed, 223 insertions(+) create mode 100644 libjava/classpath/javax/print/SimpleDoc.java (limited to 'libjava/classpath/javax/print/SimpleDoc.java') diff --git a/libjava/classpath/javax/print/SimpleDoc.java b/libjava/classpath/javax/print/SimpleDoc.java new file mode 100644 index 0000000..a49406b --- /dev/null +++ b/libjava/classpath/javax/print/SimpleDoc.java @@ -0,0 +1,223 @@ +/* SimpleDoc.java -- + Copyright (C) 2006 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath 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 for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package javax.print; + +import java.io.ByteArrayInputStream; +import java.io.CharArrayReader; +import java.io.IOException; +import java.io.InputStream; +import java.io.Reader; +import java.io.StringReader; + +import javax.print.attribute.AttributeSetUtilities; +import javax.print.attribute.DocAttributeSet; + +/** + * Simple implementation of the Doc interface capable of handling + * the predefined document flavors of DocFlavor. + *

+ * This implementation can construct a reader or stream for the service from + * the print data and ensures that always the same object is returned on each + * method call. It does simple checks that the supplied data matches the + * specified flavor of the doc object and supports thread safe access. + *

+ * + * @author Wolfgang Baer (WBaer@gmx.de) + */ +public final class SimpleDoc implements Doc +{ + private final Object printData; + private final DocFlavor flavor; + private final DocAttributeSet attributes; + + private InputStream stream; + private Reader reader; + + /** + * Constructs a SimpleDoc with the specified print data, doc flavor and doc attribute set. + * @param printData the object with the data to print. + * @param flavor the document flavor of the print data. + * @param attributes the attributes of the doc (may be null). + * + * @throws IllegalArgumentException if either printData or + * flavor are null, or the print data is not + * supplied in the document format specified by the given flavor object. + */ + public SimpleDoc(Object printData, DocFlavor flavor, + DocAttributeSet attributes) + { + if (printData == null || flavor == null) + throw new IllegalArgumentException("printData/flavor may not be null"); + + if (! (printData.getClass().getName().equals( + flavor.getRepresentationClassName()) + || flavor.getRepresentationClassName().equals("java.io.Reader") + && printData instanceof Reader + || flavor.getRepresentationClassName().equals("java.io.InputStream") + && printData instanceof InputStream)) + { + throw new IllegalArgumentException("data is not of declared flavor type"); + } + + this.printData = printData; + this.flavor = flavor; + + if (attributes != null) + this.attributes = AttributeSetUtilities.unmodifiableView(attributes); + else + this.attributes = null; + + stream = null; + reader = null; + } + + /** + * Returns the unmodifiable view of the attributes of this doc object. + *

+ * The attributes of this doc's attributes set overrides attributes of + * the same category in the print job's attribute set. If an attribute + * is not available in this doc's attributes set or null + * is returned the attributes of the same category of the print job are + * used. + *

+ * + * @return The unmodifiable attributes set, or null. + */ + public DocAttributeSet getAttributes() + { + return attributes; + } + + /** + * Returns the flavor of this doc objects print data. + * + * @return The document flavor. + */ + public DocFlavor getDocFlavor() + { + return flavor; + } + + /** + * Returns the print data of this doc object. + *

+ * The returned object is an instance as described by the associated + * document flavor ({@link DocFlavor#getRepresentationClassName()}) + * and can be cast to this representation class. + *

+ * + * @return The print data in the representation class. + * @throws IOException if representation class is a stream and I/O + * exception occures. + */ + public Object getPrintData() throws IOException + { + return printData; + } + + /** + * Returns a Reader object for extracting character print data + * from this document. + *

+ * This method is supported if the document flavor is of type: + *

+ * otherwise this method returns null. + *

+ * + * @return The Reader object, or null. + * + * @throws IOException if an error occurs. + */ + public Reader getReaderForText() throws IOException + { + synchronized (this) + { + // construct the reader if applicable on request + if (reader == null) + { + if (flavor instanceof DocFlavor.CHAR_ARRAY) + reader = new CharArrayReader((char[]) printData); + else if (flavor instanceof DocFlavor.STRING) + reader = new StringReader((String) printData); + else if (flavor instanceof DocFlavor.READER) + reader = (Reader) printData; + } + + return reader; + } + } + + /** + * Returns an InputStream object for extracting byte print data + * from this document. + *

+ * This method is supported if the document flavor is of type: + *

+ * otherwise this method returns null. + *

+ * + * @return The InputStream object, or null. + * + * @throws IOException if an error occurs. + */ + public InputStream getStreamForBytes() throws IOException + { + synchronized (this) + { + // construct the stream if applicable on request + if (stream == null) + { + if (flavor instanceof DocFlavor.BYTE_ARRAY) + stream = new ByteArrayInputStream((byte[]) printData); + else if (flavor instanceof DocFlavor.INPUT_STREAM) + stream = (InputStream) printData; + } + + return stream; + } + } + +} -- cgit v1.1