| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * |
| * Copyright (c) 1999 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 sax; |
| |
| import util.Arguments; |
| import java.io.OutputStreamWriter; |
| import java.io.PrintWriter; |
| import java.io.UnsupportedEncodingException; |
| |
| import sax.helpers.AttributesImpl; |
| |
| import org.xml.sax.Attributes; |
| import org.xml.sax.SAXException; |
| import org.xml.sax.SAXParseException; |
| import org.xml.sax.XMLReader; |
| import org.xml.sax.helpers.DefaultHandler; |
| |
| /** |
| * A sample SAX2 writer. This sample program illustrates how to |
| * register a SAX2 ContentHandler and receive the callbacks in |
| * order to print a document that is parsed. |
| * |
| * @version $Id$ |
| */ |
| public class SAX2Writer |
| extends DefaultHandler { |
| |
| // |
| // Constants |
| // |
| |
| /** Default parser name. */ |
| private static final String |
| DEFAULT_PARSER_NAME = "org.apache.xerces.parsers.SAXParser"; |
| |
| |
| private static boolean setValidation = false; //defaults |
| private static boolean setNameSpaces = true; |
| private static boolean setSchemaSupport = true; |
| |
| |
| // |
| // Data |
| // |
| |
| /** Print writer. */ |
| protected PrintWriter out; |
| |
| /** Canonical output. */ |
| protected boolean canonical; |
| |
| // |
| // Constructors |
| // |
| |
| /** Default constructor. */ |
| public SAX2Writer(boolean canonical) throws UnsupportedEncodingException { |
| this(null, canonical); |
| } |
| |
| protected SAX2Writer(String encoding, boolean canonical) throws UnsupportedEncodingException { |
| |
| if (encoding == null) { |
| encoding = "UTF8"; |
| } |
| |
| out = new PrintWriter(new OutputStreamWriter(System.out, encoding)); |
| this.canonical = canonical; |
| |
| } // <init>(String,boolean) |
| |
| // |
| // Public static methods |
| // |
| |
| /** Prints the output from the SAX callbacks. */ |
| public static void print(String parserName, String uri, boolean canonical) { |
| |
| try { |
| DefaultHandler handler = new SAX2Writer(canonical); |
| |
| XMLReader parser = (XMLReader)Class.forName(parserName).newInstance(); |
| |
| 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 ); |
| |
| |
| parser.setContentHandler(handler); |
| parser.setErrorHandler(handler); |
| parser.parse(uri); |
| } |
| catch (Exception e) { |
| e.printStackTrace(System.err); |
| } |
| |
| } // print(String,String,boolean) |
| |
| // |
| // DocumentHandler methods |
| // |
| |
| /** Processing instruction. */ |
| public void processingInstruction(String target, String data) { |
| |
| out.print("<?"); |
| out.print(target); |
| if (data != null && data.length() > 0) { |
| out.print(' '); |
| out.print(data); |
| } |
| out.print("?>"); |
| out.flush(); |
| |
| } // processingInstruction(String,String) |
| |
| /** Start document. */ |
| public void startDocument() { |
| |
| if (!canonical) { |
| out.println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"); |
| out.flush(); |
| } |
| |
| } // startDocument() |
| |
| /** Start element. */ |
| public void startElement(String uri, String local, String raw, |
| Attributes attrs) { |
| |
| out.print('<'); |
| out.print(raw); |
| if (attrs != null) { |
| attrs = sortAttributes(attrs); |
| int len = attrs.getLength(); |
| for (int i = 0; i < len; i++) { |
| out.print(' '); |
| out.print(attrs.getQName(i)); |
| out.print("=\""); |
| out.print(normalize(attrs.getValue(i))); |
| out.print('"'); |
| } |
| } |
| out.print('>'); |
| out.flush(); |
| |
| } // startElement(String,String,String,Attributes) |
| |
| /** Characters. */ |
| public void characters(char ch[], int start, int length) { |
| |
| out.print(normalize(new String(ch, start, length))); |
| out.flush(); |
| |
| } // characters(char[],int,int); |
| |
| /** Ignorable whitespace. */ |
| public void ignorableWhitespace(char ch[], int start, int length) { |
| |
| characters(ch, start, length); |
| out.flush(); |
| |
| } // ignorableWhitespace(char[],int,int); |
| |
| /** End element. */ |
| public void endElement(String uri, String local, String raw) { |
| |
| out.print("</"); |
| out.print(raw); |
| out.print('>'); |
| out.flush(); |
| |
| } // endElement(String) |
| |
| // |
| // ErrorHandler methods |
| // |
| |
| /** Warning. */ |
| public void warning(SAXParseException ex) { |
| System.err.println("[Warning] "+ |
| getLocationString(ex)+": "+ |
| ex.getMessage()); |
| } |
| |
| /** Error. */ |
| public void error(SAXParseException ex) { |
| System.err.println("[Error] "+ |
| getLocationString(ex)+": "+ |
| ex.getMessage()); |
| } |
| |
| /** Fatal error. */ |
| public void fatalError(SAXParseException ex) throws SAXException { |
| System.err.println("[Fatal Error] "+ |
| getLocationString(ex)+": "+ |
| ex.getMessage()); |
| throw ex; |
| } |
| |
| /** Returns a string of the location. */ |
| private String getLocationString(SAXParseException ex) { |
| StringBuffer str = new StringBuffer(); |
| |
| String systemId = ex.getSystemId(); |
| if (systemId != null) { |
| int index = systemId.lastIndexOf('/'); |
| if (index != -1) |
| systemId = systemId.substring(index + 1); |
| str.append(systemId); |
| } |
| str.append(':'); |
| str.append(ex.getLineNumber()); |
| str.append(':'); |
| str.append(ex.getColumnNumber()); |
| |
| return str.toString(); |
| |
| } // getLocationString(SAXParseException):String |
| |
| // |
| // Protected static methods |
| // |
| |
| /** 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 |
| |
| /** Returns a sorted list of attributes. */ |
| protected Attributes sortAttributes(Attributes attrs) { |
| |
| AttributesImpl attributes = new AttributesImpl(); |
| |
| int len = (attrs != null) ? attrs.getLength() : 0; |
| for (int i = 0; i < len; i++) { |
| String name = attrs.getQName(i); |
| int count = attributes.getLength(); |
| int j = 0; |
| while (j < count) { |
| if (name.compareTo(attributes.getQName(j)) < 0) { |
| break; |
| } |
| j++; |
| } |
| attributes.insertAttributeAt(j, name, attrs.getType(i), |
| attrs.getValue(i)); |
| } |
| |
| return attributes; |
| |
| } // sortAttributes(AttributeList):AttributeList |
| |
| // |
| // Main |
| // |
| |
| /** Main program entry point. */ |
| public static void main(String argv[]) { |
| /// |
| Arguments argopt = new Arguments(); |
| |
| argopt.setUsage( new String[] { |
| "usage: java sax.SAX2Writer (options) uri ...","", |
| "options:", |
| " -n | -N Turn on/off namespace [default=on]", |
| " -v | -V Turn on/off validation [default=on]", |
| " -s | -S Turn on/off Schema support [default=on]", |
| " -c Canonical XML output.", |
| " -h This help screen."} ); |
| |
| |
| |
| |
| // is there anything to do? |
| if (argv.length == 0) { |
| argopt.printUsage(); |
| System.exit(1); |
| } |
| |
| // vars |
| boolean canonical = false; |
| String parserName = DEFAULT_PARSER_NAME; |
| |
| |
| argopt.parseArgumentTokens(argv, new char[] { 'p'} ); |
| |
| int c; |
| String arg = null; |
| while ( ( arg = argopt.getlistFiles() ) != null ) { |
| |
| outer: |
| while ( (c = argopt.getArguments()) != -1 ){ |
| switch (c) { |
| case 'c': |
| canonical = true; |
| break; |
| case 'C': |
| canonical = false; |
| 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 '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 |
| System.err.println(arg+':'); |
| print(parserName, arg, canonical); |
| } |
| } // main(String[]) |
| |
| } // class SAX2Writer |