public DocumentTracer() 
{
    //
    // Constructors
    //
        setOutput(new PrintWriter(System.out));
}

Default constructor.

 public  void attributeDecl(String elementName,
    String attributeName,
    String type,
    String valueDefault,
    String value) throws SAXException 
{
        printIndent();
        fOut.print("attributeDecl(");
        fOut.print("elementName=");
        printQuotedString(elementName);
        fOut.print(',");
        fOut.print("attributeName=");
        printQuotedString(attributeName);
        fOut.print(',");
        fOut.print("type=");
        printQuotedString(type);
        fOut.print(',");
        fOut.print("valueDefault=");
        printQuotedString(valueDefault);
        fOut.print(',");
        fOut.print("value=");
        printQuotedString(value);
        fOut.println(')");
        fOut.flush();
}

Attribute declaration.

 public  void characters(char[] ch,
    int offset,
    int length) throws SAXException 
{
        printIndent();
        fOut.print("characters(");
        fOut.print("text=");
        printQuotedString(ch, offset, length);
        fOut.println(')");
        fOut.flush();
}

Characters.

 public  void comment(char[] ch,
    int offset,
    int length) throws SAXException 
{
        printIndent();
        fOut.print("comment(");
        fOut.print("text=");
        printQuotedString(ch, offset, length);
        fOut.println(')");
        fOut.flush();
}

Comment.

 public  void elementDecl(String name,
    String contentModel) throws SAXException 
{
        printIndent();
        fOut.print("elementDecl(");
        fOut.print("name=");
        printQuotedString(name);
        fOut.print(',");
        fOut.print("contentModel=");
        printQuotedString(contentModel);
        fOut.println(')");
        fOut.flush();
}

Element declaration.

 public  void endCDATA() throws SAXException 
{
        fIndent--;
        printIndent();
        fOut.println("endCDATA()");
        fOut.flush();
}

End CDATA section.

 public  void endDTD() throws SAXException 
{
        fIndent--;
        printIndent();
        fOut.println("endDTD()");
        fOut.flush();
}

End DTD.

 public  void endDocument() throws SAXException 
{
        fIndent--;
        printIndent();
        fOut.println("endDocument()");
        fOut.flush();
}

End document.

 public  void endElement(String name) throws SAXException 
{
        fIndent--;
        printIndent();
        fOut.print("endElement(");
        fOut.print("name=");
        printQuotedString(name);
        fOut.println(')");
        fOut.flush();
}

End element.

 public  void endElement(String uri,
    String localName,
    String qname) throws SAXException 
{
        fIndent--;
        printIndent();
        fOut.print("endElement(");
        fOut.print("uri=");
        printQuotedString(uri);
        fOut.print(',");
        fOut.print("localName=");
        printQuotedString(localName);
        fOut.print(',");
        fOut.print("qname=");
        printQuotedString(qname);
        fOut.println(')");
        fOut.flush();
}

End element.

 public  void endEntity(String name) throws SAXException 
{
        fIndent--;
        printIndent();
        fOut.print("endEntity(");
        fOut.print("name=");
        printQuotedString(name);
        fOut.println(')");
}

End entity.

 public  void endPrefixMapping(String prefix) throws SAXException 
{
        printIndent();
        fOut.print("endPrefixMapping(");
        fOut.print("prefix=");
        printQuotedString(prefix);
        fOut.println(')");
        fOut.flush();
}

End prefix mapping.

 public  void error(SAXParseException ex) throws SAXException 
{
        printError("Error", ex);
}

Error.

 public  void externalEntityDecl(String name,
    String publicId,
    String systemId) throws SAXException 
{
        printIndent();
        fOut.print("externalEntityDecl(");
        fOut.print("name=");
        printQuotedString(name);
        fOut.print(',");
        fOut.print("publicId=");
        printQuotedString(publicId);
        fOut.print(',");
        fOut.print("systemId=");
        printQuotedString(systemId);
        fOut.println(')");
        fOut.flush();
}

External entity declaration.

 public  void fatalError(SAXParseException ex) throws SAXException 
{
        printError("Fatal Error", ex);
        throw ex;
}

Fatal error.

 public  void ignorableWhitespace(char[] ch,
    int offset,
    int length) throws SAXException 
{
        printIndent();
        fOut.print("ignorableWhitespace(");
        fOut.print("text=");
        printQuotedString(ch, offset, length);
        fOut.println(')");
        fOut.flush();
}

Ignorable whitespace.

 public  void internalEntityDecl(String name,
    String text) throws SAXException 
{
        printIndent();
        fOut.print("internalEntityDecl(");
        fOut.print("name=");
        printQuotedString(name);
        fOut.print(',");
        fOut.print("text=");
        printQuotedString(text);
        fOut.println(')");
        fOut.flush();
}

Internal entity declaration.

 public static  void main(String[] argv) throws Exception 
{
        // is there anything to do?
        if (argv.length == 0) {
            printUsage();
            System.exit(1);
        }
        // variables
        DocumentTracer tracer = new DocumentTracer();
        PrintWriter out = new PrintWriter(System.out);
        XMLReader parser = null;
        boolean namespaces = DEFAULT_NAMESPACES;
        boolean namespacePrefixes = DEFAULT_NAMESPACE_PREFIXES;
        boolean validation = DEFAULT_VALIDATION;
        boolean externalDTD = DEFAULT_LOAD_EXTERNAL_DTD;
        boolean schemaValidation = DEFAULT_SCHEMA_VALIDATION;
        boolean schemaFullChecking = DEFAULT_SCHEMA_FULL_CHECKING;
        boolean honourAllSchemaLocations = DEFAULT_HONOUR_ALL_SCHEMA_LOCATIONS;
        boolean validateAnnotations = DEFAULT_VALIDATE_ANNOTATIONS;
        boolean dynamicValidation = DEFAULT_DYNAMIC_VALIDATION;
        boolean xincludeProcessing = DEFAULT_XINCLUDE;
        boolean xincludeFixupBaseURIs = DEFAULT_XINCLUDE_FIXUP_BASE_URIS;
        boolean xincludeFixupLanguage = DEFAULT_XINCLUDE_FIXUP_LANGUAGE;
        // process arguments
        for (int i = 0; i <  argv.length; i++) {
            String arg = argv[i];
            if (arg.startsWith("-")) {
                String option = arg.substring(1);
                if (option.equals("p")) {
                    // get parser name
                    if (++i == argv.length) {
                        System.err.println("error: Missing argument to -p option.");
                    }
                    String parserName = argv[i];
                    // create parser
                    try {
                        parser = XMLReaderFactory.createXMLReader(parserName);
                    }
                    catch (Exception e) {
                        try {
                            Parser sax1Parser = ParserFactory.makeParser(parserName);
                            parser = new ParserAdapter(sax1Parser);
                            System.err.println("warning: Features and properties not supported on SAX1 parsers.");
                        }
                        catch (Exception ex) {
                            parser = null;
                            System.err.println("error: Unable to instantiate parser ("+parserName+")");
                        }
                    }
                    continue;
                }
                if (option.equalsIgnoreCase("n")) {
                    namespaces = option.equals("n");
                    continue;
                }
                if (option.equalsIgnoreCase("np")) {
                    namespacePrefixes = option.equals("np");
                    continue;
                }
                if (option.equalsIgnoreCase("v")) {
                    validation = option.equals("v");
                    continue;
                }
                if (option.equalsIgnoreCase("xd")) {
                    externalDTD = option.equals("xd");
                    continue;
                }
                if (option.equalsIgnoreCase("s")) {
                    schemaValidation = option.equals("s");
                    continue;
                }
                if (option.equalsIgnoreCase("f")) {
                    schemaFullChecking = option.equals("f");
                    continue;
                }
                if (option.equalsIgnoreCase("hs")) {
                    honourAllSchemaLocations = option.equals("hs");
                    continue;
                }
                if (option.equalsIgnoreCase("va")) {
                    validateAnnotations = option.equals("va");
                    continue;
                }
                if (option.equalsIgnoreCase("dv")) {
                    dynamicValidation = option.equals("dv");
                    continue;
                }
                if (option.equalsIgnoreCase("xi")) {
                    xincludeProcessing = option.equals("xi");
                    continue;
                }
                if (option.equalsIgnoreCase("xb")) {
                    xincludeFixupBaseURIs = option.equals("xb");
                    continue;
                }
                if (option.equalsIgnoreCase("xl")) {
                    xincludeFixupLanguage = option.equals("xl");
                    continue;
                }
                if (option.equals("h")) {
                    printUsage();
                    continue;
                }
            }
            // use default parser?
            if (parser == null) {
                // create parser
                try {
                    parser = XMLReaderFactory.createXMLReader(DEFAULT_PARSER_NAME);
                }
                catch (Exception e) {
                    System.err.println("error: Unable to instantiate parser ("+DEFAULT_PARSER_NAME+")");
                    continue;
                }
            }
            // set parser features
            try {
                parser.setFeature(NAMESPACES_FEATURE_ID, namespaces);
            }
            catch (SAXException e) {
                System.err.println("warning: Parser does not support feature ("+NAMESPACES_FEATURE_ID+")");
            }
            try {
                parser.setFeature(NAMESPACE_PREFIXES_FEATURE_ID, namespacePrefixes);
            }
            catch (SAXException e) {
                System.err.println("warning: Parser does not support feature ("+NAMESPACE_PREFIXES_FEATURE_ID+")");
            }
            try {
                parser.setFeature(VALIDATION_FEATURE_ID, validation);
            }
            catch (SAXException e) {
                System.err.println("warning: Parser does not support feature ("+VALIDATION_FEATURE_ID+")");
            }
            try {
                parser.setFeature(LOAD_EXTERNAL_DTD_FEATURE_ID, externalDTD);
            }
            catch (SAXNotRecognizedException e) {
                System.err.println("warning: Parser does not recognize feature ("+LOAD_EXTERNAL_DTD_FEATURE_ID+")");
            }
            catch (SAXNotSupportedException e) {
                System.err.println("warning: Parser does not support feature ("+LOAD_EXTERNAL_DTD_FEATURE_ID+")");
            }
            try {
                parser.setFeature(SCHEMA_VALIDATION_FEATURE_ID, schemaValidation);
            }
            catch (SAXNotRecognizedException e) {
                System.err.println("warning: Parser does not recognize feature ("+SCHEMA_VALIDATION_FEATURE_ID+")");
            }
            catch (SAXNotSupportedException e) {
                System.err.println("warning: Parser does not support feature ("+SCHEMA_VALIDATION_FEATURE_ID+")");
            }
            try {
                parser.setFeature(SCHEMA_FULL_CHECKING_FEATURE_ID, schemaFullChecking);
            }
            catch (SAXNotRecognizedException e) {
                System.err.println("warning: Parser does not recognize feature ("+SCHEMA_FULL_CHECKING_FEATURE_ID+")");
            }
            catch (SAXNotSupportedException e) {
                System.err.println("warning: Parser does not support feature ("+SCHEMA_FULL_CHECKING_FEATURE_ID+")");
            }
            try {
                parser.setFeature(HONOUR_ALL_SCHEMA_LOCATIONS_ID, honourAllSchemaLocations);
            }
            catch (SAXNotRecognizedException e) {
                System.err.println("warning: Parser does not recognize feature ("+HONOUR_ALL_SCHEMA_LOCATIONS_ID+")");
            }
            catch (SAXNotSupportedException e) {
                System.err.println("warning: Parser does not support feature ("+HONOUR_ALL_SCHEMA_LOCATIONS_ID+")");
            }
            try {
                parser.setFeature(VALIDATE_ANNOTATIONS_ID, validateAnnotations);
            }
            catch (SAXNotRecognizedException e) {
                System.err.println("warning: Parser does not recognize feature ("+VALIDATE_ANNOTATIONS_ID+")");
            }
            catch (SAXNotSupportedException e) {
                System.err.println("warning: Parser does not support feature ("+VALIDATE_ANNOTATIONS_ID+")");
            }
            try {
                parser.setFeature(DYNAMIC_VALIDATION_FEATURE_ID, dynamicValidation);
            }
            catch (SAXNotRecognizedException e) {
                System.err.println("warning: Parser does not recognize feature ("+DYNAMIC_VALIDATION_FEATURE_ID+")");
            }
            catch (SAXNotSupportedException e) {
                System.err.println("warning: Parser does not support feature ("+DYNAMIC_VALIDATION_FEATURE_ID+")");
            }
            try {
                parser.setFeature(XINCLUDE_FEATURE_ID, xincludeProcessing);
            }
            catch (SAXNotRecognizedException e) {
                System.err.println("warning: Parser does not recognize feature ("+XINCLUDE_FEATURE_ID+")");
            }
            catch (SAXNotSupportedException e) {
                System.err.println("warning: Parser does not support feature ("+XINCLUDE_FEATURE_ID+")");
            }
            try {
                parser.setFeature(XINCLUDE_FIXUP_BASE_URIS_FEATURE_ID, xincludeFixupBaseURIs);
            }
            catch (SAXNotRecognizedException e) {
                System.err.println("warning: Parser does not recognize feature ("+XINCLUDE_FIXUP_BASE_URIS_FEATURE_ID+")");
            }
            catch (SAXNotSupportedException e) {
                System.err.println("warning: Parser does not support feature ("+XINCLUDE_FIXUP_BASE_URIS_FEATURE_ID+")");
            }
            try {
                parser.setFeature(XINCLUDE_FIXUP_LANGUAGE_FEATURE_ID, xincludeFixupLanguage);
            }
            catch (SAXNotRecognizedException e) {
                System.err.println("warning: Parser does not recognize feature ("+XINCLUDE_FIXUP_LANGUAGE_FEATURE_ID+")");
            }
            catch (SAXNotSupportedException e) {
                System.err.println("warning: Parser does not support feature ("+XINCLUDE_FIXUP_LANGUAGE_FEATURE_ID+")");
            }
            // set handlers
            parser.setDTDHandler(tracer);
            parser.setErrorHandler(tracer);
            if (parser instanceof XMLReader) {
                parser.setContentHandler(tracer);
                try {
                    parser.setProperty("http://xml.org/sax/properties/declaration-handler", tracer);
                }
                catch (SAXException e) {
                    e.printStackTrace(System.err);
                }
                try {
                    parser.setProperty("http://xml.org/sax/properties/lexical-handler", tracer);
                }
                catch (SAXException e) {
                    e.printStackTrace(System.err);
                }
            }
            else {
                ((Parser)parser).setDocumentHandler(tracer);
            }
            // parse file
            try {
                parser.parse(arg);
            }
            catch (SAXParseException e) {
                // ignore
            }
            catch (Exception e) {
                System.err.println("error: Parse error occurred - "+e.getMessage());
                if (e instanceof SAXException) {
                    Exception nested = ((SAXException)e).getException();
                    if (nested != null) {
                	   e = nested;
                    }
                }
                e.printStackTrace(System.err);
            }
        }
}

Main.

 protected  void normalizeAndPrint(char c) 
{
        switch (c) {
            case '\n": {
                fOut.print("\\n");
                break;
            }
            case '\r": {
                fOut.print("\\r");
                break;
            }
            case '\t": {
                fOut.print("\\t");
                break;
            }
            case '\\": {
                fOut.print("\\\\");
                break;
            }
            case '"": {
                fOut.print("\\\"");
                break;
            }
            default: {
                fOut.print(c);
            }
        }
}

Normalize and print.

 public  void notationDecl(String name,
    String publicId,
    String systemId) throws SAXException 
{
        printIndent();
        fOut.print("notationDecl(");
        fOut.print("name=");
        printQuotedString(name);
        fOut.print(',");
        fOut.print("publicId=");
        printQuotedString(publicId);
        fOut.print(',");
        fOut.print("systemId=");
        printQuotedString(systemId);
        fOut.println(')");
        fOut.flush();
}

Notation declaration.

 protected  void printError(String type,
    SAXParseException ex) 
{
        System.err.print("[");
        System.err.print(type);
        System.err.print("] ");
        String systemId = ex.getSystemId();
        if (systemId != null) {
            int index = systemId.lastIndexOf('/");
            if (index != -1)
                systemId = systemId.substring(index + 1);
            System.err.print(systemId);
        }
        System.err.print(':");
        System.err.print(ex.getLineNumber());
        System.err.print(':");
        System.err.print(ex.getColumnNumber());
        System.err.print(": ");
        System.err.print(ex.getMessage());
        System.err.println();
        System.err.flush();
}

Prints the error message.

 protected  void printIndent() 
{
        for (int i = 0; i <  fIndent; i++) {
            fOut.print(' ");
        }
}

Prints the indent.

 protected  void printQuotedString(String s) 
{
        if (s == null) {
            fOut.print("null");
            return;
        }
        fOut.print('"");
        int length = s.length();
        for (int i = 0; i <  length; i++) {
            char c = s.charAt(i);
            normalizeAndPrint(c);
        }
        fOut.print('"");
}

Print quoted string.

 protected  void printQuotedString(char[] ch,
    int offset,
    int length) 
{
        fOut.print('"");
        for (int i = 0; i <  length; i++) {
            normalizeAndPrint(ch[offset + i]);
        }
        fOut.print('"");
}

Print quoted string.

 public  void processingInstruction(String target,
    String data) throws SAXException 
{
        printIndent();
        fOut.print("processingInstruction(");
        fOut.print("target=");
        printQuotedString(target);
        fOut.print(',");
        fOut.print("data=");
        printQuotedString(data);
        fOut.println(')");
        fOut.flush();
}

Processing instruction.

 public  void setDocumentLocator(Locator locator) 
{
        printIndent();
        fOut.print("setDocumentLocator(");
        fOut.print("locator=");
        fOut.print(locator);
        fOut.println(')");
        fOut.flush();
}

Set document locator.

 public  void setOutput(Writer writer) 
{
        fOut = writer instanceof PrintWriter
             ? (PrintWriter)writer : new PrintWriter(writer);
}

Sets the output writer.

 public  void setOutput(OutputStream stream,
    String encoding) throws UnsupportedEncodingException 
{
        if (encoding == null) {
            encoding = "UTF8";
        }
        Writer writer = new OutputStreamWriter(stream, encoding);
        fOut = new PrintWriter(writer);
}

Sets the output stream for printing.

 public  void skippedEntity(String name) throws SAXException 
{
        printIndent();
        fOut.print("skippedEntity(");
        fOut.print("name=");
        printQuotedString(name);
        fOut.println(')");
        fOut.flush();
}

Skipped entity.

 public  void startCDATA() throws SAXException 
{
        printIndent();
        fOut.println("startCDATA()");
        fOut.flush();
        fIndent++;
}

Start CDATA section.

 public  void startDTD(String name,
    String publicId,
    String systemId) throws SAXException 
{
        printIndent();
        fOut.print("startDTD(");
        fOut.print("name=");
        printQuotedString(name);
        fOut.print(',");
        fOut.print("publicId=");
        printQuotedString(publicId);
        fOut.print(',");
        fOut.print("systemId=");
        printQuotedString(systemId);
        fOut.println(')");
        fOut.flush();
        fIndent++;
}

Start DTD.

 public  void startDocument() throws SAXException 
{
        fIndent = 0;
        printIndent();
        fOut.println("startDocument()");
        fOut.flush();
        fIndent++;
}

Start document.

 public  void startElement(String name,
    AttributeList attributes) throws SAXException 
{
        printIndent();
        fOut.print("startElement(");
        fOut.print("name=");
        printQuotedString(name);
        fOut.print(',");
        fOut.print("attributes=");
        if (attributes == null) {
            fOut.println("null");
        }
        else {
            fOut.print('{");
            int length = attributes.getLength();
            for (int i = 0; i <  length; i++) {
                if (i  > 0) {
                    System.out.print(',");
                }
                String attrName = attributes.getName(i);
                String attrType = attributes.getType(i);
                String attrValue = attributes.getValue(i);
                fOut.print('{");
                fOut.print("name=");
                printQuotedString(attrName);
                fOut.print(',");
                fOut.print("type=");
                printQuotedString(attrType);
                fOut.print(',");
                fOut.print("value=");
                printQuotedString(attrValue);
                fOut.print('}");
            }
            fOut.print('}");
        }
        fOut.println(')");
        fOut.flush();
        fIndent++;
}

Start element.

 public  void startElement(String uri,
    String localName,
    String qname,
    Attributes attributes) throws SAXException 
{
        printIndent();
        fOut.print("startElement(");
        fOut.print("uri=");
        printQuotedString(uri);
        fOut.print(',");
        fOut.print("localName=");
        printQuotedString(localName);
        fOut.print(',");
        fOut.print("qname=");
        printQuotedString(qname);
        fOut.print(',");
        fOut.print("attributes=");
        if (attributes == null) {
            fOut.println("null");
        }
        else {
            fOut.print('{");
            int length = attributes.getLength();
            for (int i = 0; i <  length; i++) {
                if (i  > 0) {
                    fOut.print(',");
                }
                String attrLocalName = attributes.getLocalName(i);
                String attrQName = attributes.getQName(i);
                String attrURI = attributes.getURI(i);
                String attrType = attributes.getType(i);
                String attrValue = attributes.getValue(i);
                fOut.print('{");
                fOut.print("uri=");
                printQuotedString(attrURI);
                fOut.print(',");
                fOut.print("localName=");
                printQuotedString(attrLocalName);
                fOut.print(',");
                fOut.print("qname=");
                printQuotedString(attrQName);
                fOut.print(',");
                fOut.print("type=");
                printQuotedString(attrType);
                fOut.print(',");
                fOut.print("value=");
                printQuotedString(attrValue);
                fOut.print('}");
            }
            fOut.print('}");
        }
        fOut.println(')");
        fOut.flush();
        fIndent++;
}

Start element.

 public  void startEntity(String name) throws SAXException 
{
        printIndent();
        fOut.print("startEntity(");
        fOut.print("name=");
        printQuotedString(name);
        fOut.println(')");
        fOut.flush();
        fIndent++;
}

Start entity.

 public  void startPrefixMapping(String prefix,
    String uri) throws SAXException 
{
        printIndent();
        fOut.print("startPrefixMapping(");
        fOut.print("prefix=");
        printQuotedString(prefix);
        fOut.print(',");
        fOut.print("uri=");
        printQuotedString(uri);
        fOut.println(')");
        fOut.flush();
}

Start prefix mapping.

 public  void unparsedEntityDecl(String name,
    String publicId,
    String systemId,
    String notationName) throws SAXException 
{
        printIndent();
        fOut.print("unparsedEntityDecl(");
        fOut.print("name=");
        printQuotedString(name);
        fOut.print(',");
        fOut.print("publicId=");
        printQuotedString(publicId);
        fOut.print(',");
        fOut.print("systemId=");
        printQuotedString(systemId);
        fOut.print(',");
        fOut.print("notationName=");
        printQuotedString(notationName);
        fOut.println(')");
        fOut.flush();
}

Unparsed entity declaration.

 public  void warning(SAXParseException ex) throws SAXException 
{
        printError("Warning", ex);
}

Warning.