| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * |
| * Copyright (c) 1999, 2000 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Xerces" and "Apache Software Foundation" must |
| * not be used to endorse or promote products derived from this |
| * software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache", |
| * nor may "Apache" appear in their name, without prior written |
| * permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation and was |
| * originally based on software copyright (c) 1999, International |
| * Business Machines, Inc., http://www.apache.org. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| |
| package dom; |
| |
| import util.Arguments; |
| |
| |
| import java.io.OutputStreamWriter; |
| import java.io.PrintWriter; |
| import java.io.UnsupportedEncodingException; |
| |
| import org.w3c.dom.Attr; |
| import org.w3c.dom.Document; |
| import org.w3c.dom.NamedNodeMap; |
| import org.w3c.dom.Node; |
| import org.w3c.dom.NodeList; |
| import org.apache.xerces.readers.MIME2Java; |
| |
| |
| /** |
| * A sample DOM writer. This sample program illustrates how to |
| * traverse a DOM tree in order to print a document that is parsed. |
| * |
| * @version $Id$ |
| */ |
| public class DOMWriter { |
| |
| // |
| // Constants |
| // |
| |
| |
| /** Default parser name. */ |
| private static final String |
| DEFAULT_PARSER_NAME = "dom.wrappers.DOMParser"; |
| |
| |
| private static boolean setValidation = false; //defaults |
| private static boolean setNameSpaces = true; |
| private static boolean setSchemaSupport = true; |
| private static boolean setDeferredDOM = true; |
| |
| |
| |
| // |
| // Data |
| // |
| |
| /** Default Encoding */ |
| private static String |
| PRINTWRITER_ENCODING = "UTF8"; |
| |
| private static String MIME2JAVA_ENCODINGS[] = |
| { "Default", "UTF-8", "US-ASCII", "ISO-8859-1", "ISO-8859-2", "ISO-8859-3", "ISO-8859-4", |
| "ISO-8859-5", "ISO-8859-6", "ISO-8859-7", "ISO-8859-8", "ISO-8859-9", "ISO-2022-JP", |
| "SHIFT_JIS", "EUC-JP","GB2312", "BIG5", "EUC-KR", "ISO-2022-KR", "KOI8-R", "EBCDIC-CP-US", |
| "EBCDIC-CP-CA", "EBCDIC-CP-NL", "EBCDIC-CP-DK", "EBCDIC-CP-NO", "EBCDIC-CP-FI", "EBCDIC-CP-SE", |
| "EBCDIC-CP-IT", "EBCDIC-CP-ES", "EBCDIC-CP-GB", "EBCDIC-CP-FR", "EBCDIC-CP-AR1", |
| "EBCDIC-CP-HE", "EBCDIC-CP-CH", "EBCDIC-CP-ROECE","EBCDIC-CP-YU", |
| "EBCDIC-CP-IS", "EBCDIC-CP-AR2", "UTF-16" |
| }; |
| |
| |
| /* |
| private static String JAVA_SUPPORTED_ENCODINGS[] = |
| { "Default", "8859_1", "8859_2", "8859_3", "8859_4", "8859_5", "8859_6", |
| "8859_7", "8859_8", "8859_9", "Cp037", "Cp273", "Cp277", "Cp278", |
| "Cp280", "Cp284", "Cp285", "Cp297", "Cp420", "Cp424", "Cp437", |
| "Cp500", "Cp737", "Cp775", "Cp838", "Cp850", "Cp852", "Cp855", "Cp856", |
| "Cp857", "Cp860", "Cp861", |
| "Cp862", "Cp863", "Cp864", "Cp865", "Cp866", "Cp868", "Cp869", "Cp870", |
| "Cp871", "Cp874", "Cp875", |
| "Cp918", "Cp921", "Cp922", "Cp930", "Cp933", "Cp935", "Cp937", "Cp939", |
| "Cp942", "Cp948", "Cp949", |
| "Cp950", "Cp964", "Cp970", "Cp1006", "Cp1025", "Cp1026", "Cp1046", |
| "Cp1097", "Cp1098", "Cp1112", |
| "Cp1122", "Cp1123", "Cp1124", "Cp1250", "Cp1251", "Cp1252", "Cp1253", |
| "Cp1254", "Cp1255", "Cp1256", |
| "Cp1257", "Cp1258", "Cp1381", "Cp1383", "Cp33722", "MS874", |
| "EUCJIS", "GB2312", |
| "GBK", "ISO2022CN_CNS", "ISO2022CN_GB", |
| "JIS", |
| "JIS0208", "KOI8_R", "KSC5601","MS874", |
| "SJIS", "Big5", "CNS11643", |
| "MacArabic", "MacCentralEurope", "MacCroatian", "MacCyrillic", |
| "MacDingbat", "MacGreek", |
| "MacHebrew", "MacIceland", "MacRoman", "MacRomania", "MacSymbol", |
| "MacThai", "MacTurkish", |
| "MacUkraine", "SJIS", "Unicode", "UnicodeBig", "UnicodeLittle", "UTF8"}; |
| */ |
| |
| /** Print writer. */ |
| protected PrintWriter out; |
| |
| /** Canonical output. */ |
| protected boolean canonical; |
| |
| |
| public DOMWriter(String encoding, boolean canonical) |
| throws UnsupportedEncodingException { |
| out = new PrintWriter(new OutputStreamWriter(System.out, encoding)); |
| this.canonical = canonical; |
| } // <init>(String,boolean) |
| |
| // |
| // Constructors |
| // |
| |
| /** Default constructor. */ |
| public DOMWriter(boolean canonical) throws UnsupportedEncodingException { |
| this( getWriterEncoding(), canonical); |
| } |
| |
| public static String getWriterEncoding( ) { |
| return(PRINTWRITER_ENCODING); |
| }// getWriterEncoding |
| |
| public static void setWriterEncoding( String encoding ) { |
| if ( encoding.equalsIgnoreCase( "DEFAULT" ) ) |
| PRINTWRITER_ENCODING = "UTF8"; |
| else if ( encoding.equalsIgnoreCase( "UTF-16" ) ) |
| PRINTWRITER_ENCODING = "Unicode"; |
| else |
| PRINTWRITER_ENCODING = MIME2Java.convert( encoding ); |
| }// setWriterEncoding |
| |
| |
| public static boolean isValidJavaEncoding( String encoding ) { |
| for ( int i = 0; i < MIME2JAVA_ENCODINGS.length; i++ ) |
| if ( encoding.equals( MIME2JAVA_ENCODINGS[i] ) ) |
| return(true); |
| |
| return(false); |
| }// isValidJavaEncoding |
| |
| |
| |
| /** Prints the resulting document tree. */ |
| public static void print(String parserWrapperName, String uri, |
| boolean canonical ) { |
| try { |
| DOMParserWrapper parser = |
| (DOMParserWrapper)Class.forName(parserWrapperName).newInstance(); |
| |
| parser.setFeature( "http://apache.org/xml/features/dom/defer-node-expansion", |
| setDeferredDOM ); |
| parser.setFeature( "http://xml.org/sax/features/validation", |
| setValidation ); |
| parser.setFeature( "http://xml.org/sax/features/namespaces", |
| setNameSpaces ); |
| parser.setFeature( "http://apache.org/xml/features/validation/schema", |
| setSchemaSupport ); |
| |
| Document document = parser.parse(uri); |
| DOMWriter writer = new DOMWriter(canonical); |
| writer.print(document); |
| } catch ( Exception e ) { |
| //e.printStackTrace(System.err); |
| } |
| |
| } // print(String,String,boolean) |
| |
| |
| /** Prints the specified node, recursively. */ |
| public void print(Node node) { |
| |
| // is there anything to do? |
| if ( node == null ) { |
| return; |
| } |
| |
| int type = node.getNodeType(); |
| switch ( type ) { |
| // print document |
| case Node.DOCUMENT_NODE: { |
| if ( !canonical ) { |
| String Encoding = this.getWriterEncoding(); |
| if ( Encoding.equalsIgnoreCase( "DEFAULT" ) ) |
| Encoding = "UTF-8"; |
| else if ( Encoding.equalsIgnoreCase( "Unicode" ) ) |
| Encoding = "UTF-16"; |
| else |
| Encoding = MIME2Java.reverse( Encoding ); |
| |
| out.println("<?xml version=\"1.0\" encoding=\""+ |
| Encoding + "\"?>"); |
| } |
| print(((Document)node).getDocumentElement()); |
| out.flush(); |
| break; |
| } |
| |
| // print element with attributes |
| case Node.ELEMENT_NODE: { |
| out.print('<'); |
| out.print(node.getNodeName()); |
| Attr attrs[] = sortAttributes(node.getAttributes()); |
| for ( int i = 0; i < attrs.length; i++ ) { |
| Attr attr = attrs[i]; |
| out.print(' '); |
| out.print(attr.getNodeName()); |
| out.print("=\""); |
| out.print(normalize(attr.getNodeValue())); |
| out.print('"'); |
| } |
| out.print('>'); |
| NodeList children = node.getChildNodes(); |
| if ( children != null ) { |
| int len = children.getLength(); |
| for ( int i = 0; i < len; i++ ) { |
| print(children.item(i)); |
| } |
| } |
| break; |
| } |
| |
| // handle entity reference nodes |
| case Node.ENTITY_REFERENCE_NODE: { |
| if ( canonical ) { |
| NodeList children = node.getChildNodes(); |
| if ( children != null ) { |
| int len = children.getLength(); |
| for ( int i = 0; i < len; i++ ) { |
| print(children.item(i)); |
| } |
| } |
| } else { |
| out.print('&'); |
| out.print(node.getNodeName()); |
| out.print(';'); |
| } |
| break; |
| } |
| |
| // print cdata sections |
| case Node.CDATA_SECTION_NODE: { |
| if ( canonical ) { |
| out.print(normalize(node.getNodeValue())); |
| } else { |
| out.print("<![CDATA["); |
| out.print(node.getNodeValue()); |
| out.print("]]>"); |
| } |
| break; |
| } |
| |
| // print text |
| case Node.TEXT_NODE: { |
| out.print(normalize(node.getNodeValue())); |
| break; |
| } |
| |
| // print processing instruction |
| case Node.PROCESSING_INSTRUCTION_NODE: { |
| out.print("<?"); |
| out.print(node.getNodeName()); |
| String data = node.getNodeValue(); |
| if ( data != null && data.length() > 0 ) { |
| out.print(' '); |
| out.print(data); |
| } |
| out.print("?>"); |
| break; |
| } |
| } |
| |
| if ( type == Node.ELEMENT_NODE ) { |
| out.print("</"); |
| out.print(node.getNodeName()); |
| out.print('>'); |
| } |
| |
| out.flush(); |
| |
| } // print(Node) |
| |
| /** Returns a sorted list of attributes. */ |
| protected Attr[] sortAttributes(NamedNodeMap attrs) { |
| |
| int len = (attrs != null) ? attrs.getLength() : 0; |
| Attr array[] = new Attr[len]; |
| for ( int i = 0; i < len; i++ ) { |
| array[i] = (Attr)attrs.item(i); |
| } |
| for ( int i = 0; i < len - 1; i++ ) { |
| String name = array[i].getNodeName(); |
| int index = i; |
| for ( int j = i + 1; j < len; j++ ) { |
| String curName = array[j].getNodeName(); |
| if ( curName.compareTo(name) < 0 ) { |
| name = curName; |
| index = j; |
| } |
| } |
| if ( index != i ) { |
| Attr temp = array[i]; |
| array[i] = array[index]; |
| array[index] = temp; |
| } |
| } |
| |
| return(array); |
| |
| } // sortAttributes(NamedNodeMap):Attr[] |
| |
| |
| // |
| // Main |
| // |
| |
| /** Main program entry point. */ |
| public static void main(String argv[]) { |
| Arguments argopt = new Arguments(); |
| argopt.setUsage( new String[] { |
| "usage: java dom.DOMWriter (options) uri ...","", |
| "options:", |
| " -n | -N Turn on/off namespace [default=on]", |
| " -v | -V Turn on/off validation [default=off]", |
| " -s | -S Turn on/off Schema support [default=on]", |
| " -d | -D Turn on/off deferred DOM [default=on]", |
| " -c Canonical XML output.", |
| " -h This help screen.", |
| " -e Output Java Encoding.", |
| " Default encoding: UTF-8"} ); |
| |
| |
| |
| // is there anything to do? |
| if ( argv.length == 0 ) { |
| argopt.printUsage(); |
| System.exit(1); |
| } |
| |
| // vars |
| String parserName = DEFAULT_PARSER_NAME; |
| boolean canonical = false; |
| String encoding = "UTF8"; // default encoding |
| |
| argopt.parseArgumentTokens(argv, new char[] { 'p', 'e'} ); |
| |
| int c; |
| String arg = null; |
| while ( ( arg = argopt.getlistFiles() ) != null ) { |
| |
| outer: |
| while ( (c = argopt.getArguments()) != -1 ){ |
| switch (c) { |
| case 'c': |
| canonical = true; |
| break; |
| case 'e': |
| encoding = argopt.getStringParameter(); |
| if ( encoding != null && isValidJavaEncoding( encoding ) ) |
| setWriterEncoding( encoding ); |
| else { |
| printValidJavaEncoding(); |
| System.exit( 1 ); |
| } |
| break; |
| case 'v': |
| setValidation = true; |
| break; |
| case 'V': |
| setValidation = false; |
| break; |
| case 'N': |
| setNameSpaces = false; |
| break; |
| case 'n': |
| setNameSpaces = true; |
| break; |
| case 'p': |
| parserName = argopt.getStringParameter(); |
| break; |
| case 'd': |
| setDeferredDOM = true; |
| break; |
| case 'D': |
| setDeferredDOM = false; |
| break; |
| case 's': |
| setSchemaSupport = true; |
| break; |
| case 'S': |
| setSchemaSupport = false; |
| break; |
| case '?': |
| case 'h': |
| case '-': |
| argopt.printUsage(); |
| System.exit(1); |
| break; |
| case -1: |
| break outer; |
| default: |
| break; |
| } |
| } |
| // print uri |
| // print uri |
| System.err.println(arg+':'); |
| print(parserName, arg, canonical ); |
| System.err.println(); |
| } |
| } // main(String[]) |
| |
| |
| /** Normalizes the given string. */ |
| protected String normalize(String s) { |
| StringBuffer str = new StringBuffer(); |
| |
| int len = (s != null) ? s.length() : 0; |
| for ( int i = 0; i < len; i++ ) { |
| char ch = s.charAt(i); |
| switch ( ch ) { |
| case '<': { |
| str.append("<"); |
| break; |
| } |
| case '>': { |
| str.append(">"); |
| break; |
| } |
| case '&': { |
| str.append("&"); |
| break; |
| } |
| case '"': { |
| str.append("""); |
| break; |
| } |
| case '\r': |
| case '\n': { |
| if ( canonical ) { |
| str.append("&#"); |
| str.append(Integer.toString(ch)); |
| str.append(';'); |
| break; |
| } |
| // else, default append char |
| } |
| default: { |
| str.append(ch); |
| } |
| } |
| } |
| |
| return(str.toString()); |
| |
| } // normalize(String):String |
| |
| |
| private static void printValidJavaEncoding() { |
| System.err.println( " ENCODINGS:" ); |
| System.err.print( " " ); |
| for ( int i = 0; |
| i < MIME2JAVA_ENCODINGS.length; i++) { |
| System.err.print( MIME2JAVA_ENCODINGS[i] + " " ); |
| if ( (i % 7 ) == 0 ){ |
| System.err.println(); |
| System.err.print( " " ); |
| } |
| } |
| |
| } // printJavaEncoding() |
| |
| } |
