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1: /* XHTMLWriter.java -- 2: Copyright (C) 1999,2000,2001 Free Software Foundation, Inc. 3: 4: This file is part of GNU Classpath. 5: 6: GNU Classpath is free software; you can redistribute it and/or modify 7: it under the terms of the GNU General Public License as published by 8: the Free Software Foundation; either version 2, or (at your option) 9: any later version. 10: 11: GNU Classpath is distributed in the hope that it will be useful, but 12: WITHOUT ANY WARRANTY; without even the implied warranty of 13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14: General Public License for more details. 15: 16: You should have received a copy of the GNU General Public License 17: along with GNU Classpath; see the file COPYING. If not, write to the 18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19: 02110-1301 USA. 20: 21: Linking this library statically or dynamically with other modules is 22: making a combined work based on this library. Thus, the terms and 23: conditions of the GNU General Public License cover the whole 24: combination. 25: 26: As a special exception, the copyright holders of this library give you 27: permission to link this library with independent modules to produce an 28: executable, regardless of the license terms of these independent 29: modules, and to copy and distribute the resulting executable under 30: terms of your choice, provided that you also meet, for each linked 31: independent module, the terms and conditions of the license of that 32: module. An independent module is a module which is not derived from 33: or based on this library. If you modify this library, you may extend 34: this exception to your version of the library, but you are not 35: obligated to do so. If you do not wish to do so, delete this 36: exception statement from your version. */ 37: 38: package gnu.xml.util; 39: 40: import java.io.IOException; 41: import java.io.OutputStream; 42: import java.io.OutputStreamWriter; 43: import java.io.Writer; 44: 45: 46: /** 47: * This extends XMLWriter to create a class which defaults to writing 48: * XHTML text, preferring the US-ASCII encoding. It adds no unique 49: * functionality, only changing the defaults slightly to simplify writing 50: * XHTML processing components by providing a bean class whose properties 51: * have more convenient defaults. An artifact of using the US-ASCII 52: * encoding is that no XML declaration is written, so that HTML tools 53: * that can't accept them will not become confused. Components can treat 54: * the output as UTF-8, ISO-8859-1, or US-ASCII without incurring any 55: * data loss. 56: * 57: * @author David Brownell 58: */ 59: public class XHTMLWriter extends XMLWriter 60: { 61: /** 62: * Constructs this handler with System.out used to write 63: * SAX events using the US-ASCII encoding, as XHTML. 64: */ 65: public XHTMLWriter () 66: throws IOException 67: { 68: this (System.out); 69: } 70: 71: /** 72: * Constructs this handler such that the specified output stream 73: * is used to write SAX events in the US-ASCII encoding, as XHTML. 74: * 75: * @param out Where US-ASCII encoding of the stream of SAX 76: * events will be sent. 77: */ 78: public XHTMLWriter (OutputStream out) 79: throws IOException 80: { 81: // not all JVMs understand "ASCII" as an encoding name, so 82: // we use 8859_1 (they all seem to handle that one) and 83: // make the echo handler filter out non-ASCII characters 84: this (new OutputStreamWriter (out, "8859_1"), "US-ASCII"); 85: } 86: 87: /** 88: * Constructs this handler such that the specified output stream 89: * is used to write SAX events as XHTML. 90: * 91: * @param out Where the stream of SAX events will be written. 92: */ 93: public XHTMLWriter (Writer out) 94: { 95: this (out, null); 96: } 97: 98: /** 99: * Constructs this handler such that the specified output stream 100: * is used to write SAX events as XHTML, labeled with the specified 101: * encoding. 102: * 103: * @param out Where the stream of SAX events will be written. 104: * @param encoding If non-null, this names the encoding to be 105: * placed in the encoding declaration. 106: */ 107: public XHTMLWriter (Writer out, String encoding) 108: { 109: super (out, encoding); 110: setXhtml (true); 111: } 112: }