001 /* StreamPrintService.java -- 002 Copyright (C) 2004, 2006 Free Software Foundation, Inc. 003 004 This file is part of GNU Classpath. 005 006 GNU Classpath is free software; you can redistribute it and/or modify 007 it under the terms of the GNU General Public License as published by 008 the Free Software Foundation; either version 2, or (at your option) 009 any later version. 010 011 GNU Classpath is distributed in the hope that it will be useful, but 012 WITHOUT ANY WARRANTY; without even the implied warranty of 013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 General Public License for more details. 015 016 You should have received a copy of the GNU General Public License 017 along with GNU Classpath; see the file COPYING. If not, write to the 018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 019 02110-1301 USA. 020 021 Linking this library statically or dynamically with other modules is 022 making a combined work based on this library. Thus, the terms and 023 conditions of the GNU General Public License cover the whole 024 combination. 025 026 As a special exception, the copyright holders of this library give you 027 permission to link this library with independent modules to produce an 028 executable, regardless of the license terms of these independent 029 modules, and to copy and distribute the resulting executable under 030 terms of your choice, provided that you also meet, for each linked 031 independent module, the terms and conditions of the license of that 032 module. An independent module is a module which is not derived from 033 or based on this library. If you modify this library, you may extend 034 this exception to your version of the library, but you are not 035 obligated to do so. If you do not wish to do so, delete this 036 exception statement from your version. */ 037 038 039 package javax.print; 040 041 import java.io.OutputStream; 042 043 044 /** 045 * <code>StreamPrintService</code> is a special print service capable of 046 * printing into a supplied output stream. 047 * <p> 048 * Beside providing the same functionality as a print service it additionally 049 * allows to specify the output stream for the print data. A stream print 050 * service is obtained via the {@link javax.print.StreamPrintServiceFactory} 051 * by looking for services supporting a given output format type. 052 * </p> 053 * 054 * @author Michael Koch (konqueror@gmx.de) 055 */ 056 public abstract class StreamPrintService implements PrintService 057 { 058 private boolean disposed; 059 private OutputStream out; 060 061 /** 062 * Constructs a <code>StreamPrintService</code> object. 063 * 064 * @param out the <code>OutputStream</code> to use 065 */ 066 protected StreamPrintService(OutputStream out) 067 { 068 this.out = out; 069 } 070 071 /** 072 * Dispose this <code>StreamPrintService</code> object. 073 */ 074 public void dispose() 075 { 076 disposed = true; 077 } 078 079 /** 080 * Returns the document format emitted by this print service. 081 * The returned string is a MIME type compatible with the 082 * {@link DocFlavor} class. 083 * 084 * @return The document format of the output. 085 */ 086 public abstract String getOutputFormat(); 087 088 /** 089 * Returns the <code>OutputStream</code> of this object. 090 * 091 * @return The <code>OutputStream</code> 092 */ 093 public OutputStream getOutputStream() 094 { 095 return out; 096 } 097 098 /** 099 * Determines if this <code>StreamPrintService</code> object is disposed. 100 * 101 * @return <code>true</code> if disposed already, 102 * otherwise <code>false</code> 103 */ 104 public boolean isDisposed() 105 { 106 return disposed; 107 } 108 }