Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.io.OutputStream; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.io.UnsupportedEncodingException; import java.io.Writer; import org.xml.sax.AttributeList; import org.xml.sax.Attributes; import org.xml.sax.ContentHandler; import org.xml.sax.DocumentHandler; import org.xml.sax.DTDHandler; import org.xml.sax.ErrorHandler; import org.xml.sax.Locator; import org.xml.sax.Parser; import org.xml.sax.SAXException; import org.xml.sax.SAXNotRecognizedException; import org.xml.sax.SAXNotSupportedException; import org.xml.sax.SAXParseException; import org.xml.sax.XMLReader; import org.xml.sax.helpers.DefaultHandler; import org.xml.sax.helpers.ParserAdapter; import org.xml.sax.helpers.ParserFactory; import org.xml.sax.helpers.XMLReaderFactory; import org.xml.sax.ext.DeclHandler; import org.xml.sax.ext.LexicalHandler; /** * Provides a complete trace of SAX2 events for files parsed. This is * useful for making sure that a SAX parser implementation faithfully * communicates all information in the document to the SAX handlers. * * @author Andy Clark, IBM * @author Arnaud Le Hors, IBM * * @version $Id: DocumentTracer.java 447686 2006-09-19 02:38:34Z mrglavas $ */ public class DocumentTracer extends DefaultHandler implements ContentHandler, DTDHandler, ErrorHandler, // SAX2 DeclHandler, LexicalHandler, // SAX2 extensions DocumentHandler // deprecated in SAX2 { // // Constants // // feature ids /** Namespaces feature id (http://xml.org/sax/features/namespaces). */ protected static final String NAMESPACES_FEATURE_ID = "http://xml.org/sax/features/namespaces"; /** Namespace prefixes feature id (http://xml.org/sax/features/namespace-prefixes). */ protected static final String NAMESPACE_PREFIXES_FEATURE_ID = "http://xml.org/sax/features/namespace-prefixes"; /** Validation feature id (http://xml.org/sax/features/validation). */ protected static final String VALIDATION_FEATURE_ID = "http://xml.org/sax/features/validation"; /** Schema validation feature id (http://apache.org/xml/features/validation/schema). */ protected static final String SCHEMA_VALIDATION_FEATURE_ID = "http://apache.org/xml/features/validation/schema"; /** Schema full checking feature id (http://apache.org/xml/features/validation/schema-full-checking). */ protected static final String SCHEMA_FULL_CHECKING_FEATURE_ID = "http://apache.org/xml/features/validation/schema-full-checking"; /** Honour all schema locations feature id (http://apache.org/xml/features/honour-all-schemaLocations). */ protected static final String HONOUR_ALL_SCHEMA_LOCATIONS_ID = "http://apache.org/xml/features/honour-all-schemaLocations"; /** Validate schema annotations feature id (http://apache.org/xml/features/validate-annotations) */ protected static final String VALIDATE_ANNOTATIONS_ID = "http://apache.org/xml/features/validate-annotations"; /** Dynamic validation feature id (http://apache.org/xml/features/validation/dynamic). */ protected static final String DYNAMIC_VALIDATION_FEATURE_ID = "http://apache.org/xml/features/validation/dynamic"; /** Load external DTD feature id (http://apache.org/xml/features/nonvalidating/load-external-dtd). */ protected static final String LOAD_EXTERNAL_DTD_FEATURE_ID = "http://apache.org/xml/features/nonvalidating/load-external-dtd"; /** XInclude feature id (http://apache.org/xml/features/xinclude). */ protected static final String XINCLUDE_FEATURE_ID = "http://apache.org/xml/features/xinclude"; /** XInclude fixup base URIs feature id (http://apache.org/xml/features/xinclude/fixup-base-uris). */ protected static final String XINCLUDE_FIXUP_BASE_URIS_FEATURE_ID = "http://apache.org/xml/features/xinclude/fixup-base-uris"; /** XInclude fixup language feature id (http://apache.org/xml/features/xinclude/fixup-language). */ protected static final String XINCLUDE_FIXUP_LANGUAGE_FEATURE_ID = "http://apache.org/xml/features/xinclude/fixup-language"; // property ids /** Lexical handler property id (http://xml.org/sax/properties/lexical-handler). */ protected static final String LEXICAL_HANDLER_PROPERTY_ID = "http://xml.org/sax/properties/lexical-handler"; // default settings /** Default parser name. */ protected static final String DEFAULT_PARSER_NAME = "org.apache.xerces.parsers.SAXParser"; /** Default namespaces support (true). */ protected static final boolean DEFAULT_NAMESPACES = true; /** Default namespace prefixes (false). */ protected static final boolean DEFAULT_NAMESPACE_PREFIXES = false; /** Default validation support (false). */ protected static final boolean DEFAULT_VALIDATION = false; /** Default load external DTD (true). */ protected static final boolean DEFAULT_LOAD_EXTERNAL_DTD = true; /** Default Schema validation support (false). */ protected static final boolean DEFAULT_SCHEMA_VALIDATION = false; /** Default Schema full checking support (false). */ protected static final boolean DEFAULT_SCHEMA_FULL_CHECKING = false; /** Default honour all schema locations (false). */ protected static final boolean DEFAULT_HONOUR_ALL_SCHEMA_LOCATIONS = false; /** Default validate schema annotations (false). */ protected static final boolean DEFAULT_VALIDATE_ANNOTATIONS = false; /** Default dynamic validation support (false). */ protected static final boolean DEFAULT_DYNAMIC_VALIDATION = false; /** Default XInclude processing support (false). */ protected static final boolean DEFAULT_XINCLUDE = false; /** Default XInclude fixup base URIs support (true). */ protected static final boolean DEFAULT_XINCLUDE_FIXUP_BASE_URIS = true; /** Default XInclude fixup language support (true). */ protected static final boolean DEFAULT_XINCLUDE_FIXUP_LANGUAGE = true; // // Data // /** Print writer. */ protected PrintWriter fOut; /** Indent level. */ protected int fIndent; // // Constructors // /** Default constructor. */ public DocumentTracer() { setOutput(new PrintWriter(System.out)); } // <init>() // // Public methods // /** Sets the output stream for printing. */ public void setOutput(OutputStream stream, String encoding) throws UnsupportedEncodingException { if (encoding == null) { encoding = "UTF8"; } Writer writer = new OutputStreamWriter(stream, encoding); fOut = new PrintWriter(writer); } // setOutput(OutputStream,String) /** Sets the output writer. */ public void setOutput(Writer writer) { fOut = writer instanceof PrintWriter ? (PrintWriter) writer : new PrintWriter(writer); } // setOutput(Writer) // // ContentHandler and DocumentHandler methods // /** Set document locator. */ public void setDocumentLocator(Locator locator) { printIndent(); fOut.print("setDocumentLocator("); fOut.print("locator="); fOut.print(locator); fOut.println(')'); fOut.flush(); } // setDocumentLocator(Locator) /** Start document. */ public void startDocument() throws SAXException { fIndent = 0; printIndent(); fOut.println("startDocument()"); fOut.flush(); fIndent++; } // startDocument() /** Processing instruction. */ 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(); } // processingInstruction(String,String) /** Characters. */ 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(char[],int,int) /** Ignorable whitespace. */ 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(); } // ignorableWhitespace(char[],int,int) /** End document. */ public void endDocument() throws SAXException { fIndent--; printIndent(); fOut.println("endDocument()"); fOut.flush(); } // endDocument() // // ContentHandler methods // /** Start prefix mapping. */ 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(); } // startPrefixMapping(String,String) /** 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++; } // startElement(String,String,String,Attributes) /** 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(); } // endElement(String,String,String) /** End prefix mapping. */ public void endPrefixMapping(String prefix) throws SAXException { printIndent(); fOut.print("endPrefixMapping("); fOut.print("prefix="); printQuotedString(prefix); fOut.println(')'); fOut.flush(); } // endPrefixMapping(String) /** Skipped entity. */ public void skippedEntity(String name) throws SAXException { printIndent(); fOut.print("skippedEntity("); fOut.print("name="); printQuotedString(name); fOut.println(')'); fOut.flush(); } // skippedEntity(String) // // DocumentHandler methods // /** Start element. */ 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++; } // startElement(String,AttributeList) /** End element. */ public void endElement(String name) throws SAXException { fIndent--; printIndent(); fOut.print("endElement("); fOut.print("name="); printQuotedString(name); fOut.println(')'); fOut.flush(); } // endElement(String) // // DTDHandler methods // /** Notation declaration. */ 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(); } // notationDecl(String,String,String) /** Unparsed entity declaration. */ 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(); } // unparsedEntityDecl(String,String,String,String) // // LexicalHandler methods // /** Start DTD. */ 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++; } // startDTD(String,String,String) /** Start entity. */ public void startEntity(String name) throws SAXException { printIndent(); fOut.print("startEntity("); fOut.print("name="); printQuotedString(name); fOut.println(')'); fOut.flush(); fIndent++; } // startEntity(String) /** Start CDATA section. */ public void startCDATA() throws SAXException { printIndent(); fOut.println("startCDATA()"); fOut.flush(); fIndent++; } // startCDATA() /** End CDATA section. */ public void endCDATA() throws SAXException { fIndent--; printIndent(); fOut.println("endCDATA()"); fOut.flush(); } // endCDATA() /** Comment. */ 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(char[],int,int) /** End entity. */ public void endEntity(String name) throws SAXException { fIndent--; printIndent(); fOut.print("endEntity("); fOut.print("name="); printQuotedString(name); fOut.println(')'); } // endEntity(String) /** End DTD. */ public void endDTD() throws SAXException { fIndent--; printIndent(); fOut.println("endDTD()"); fOut.flush(); } // endDTD() // // DeclHandler methods // /** Element declaration. */ 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(); } // elementDecl(String,String) /** Attribute declaration. */ 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(); } // attributeDecl(String,String,String,String,String) /** Internal entity declaration. */ 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(); } // internalEntityDecl(String,String) /** External entity declaration. */ 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(); } // externalEntityDecl(String,String,String) // // ErrorHandler methods // /** Warning. */ public void warning(SAXParseException ex) throws SAXException { printError("Warning", ex); } // warning(SAXParseException) /** Error. */ public void error(SAXParseException ex) throws SAXException { printError("Error", ex); } // error(SAXParseException) /** Fatal error. */ public void fatalError(SAXParseException ex) throws SAXException { printError("Fatal Error", ex); throw ex; } // fatalError(SAXParseException) // // Protected methods // /** Print quoted string. */ 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('"'); } // printQuotedString(String) /** 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('"'); } // printQuotedString(char[],int,int) /** Normalize and print. */ 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); } } } // normalizeAndPrint(char) /** Prints the error message. */ 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(); } // printError(String,SAXParseException) /** Prints the indent. */ protected void printIndent() { for (int i = 0; i < fIndent; i++) { fOut.print(' '); } } // // MAIN // /** Main. */ 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(String[]) // // Private static methods // /** Prints the usage. */ private static void printUsage() { System.err.println("usage: java sax.DocumentTracer (options) uri ..."); System.err.println(); System.err.println("options:"); System.err.println(" -p name Select parser by name."); System.err.println(" -n | -N Turn on/off namespace processing."); System.err.println(" -np | -NP Turn on/off namespace prefixes."); System.err.println(" NOTE: Requires use of -n."); System.err.println(" -v | -V Turn on/off validation."); System.err.println(" -xd | -XD Turn on/off loading of external DTDs."); System.err.println(" NOTE: Always on when -v in use and not supported by all parsers."); System.err.println(" -s | -S Turn on/off Schema validation support."); System.err.println(" NOTE: Not supported by all parsers."); System.err.println(" -f | -F Turn on/off Schema full checking."); System.err.println(" NOTE: Requires use of -s and not supported by all parsers."); System.err.println(" -hs | -HS Turn on/off honouring of all schema locations."); System.err.println(" NOTE: Requires use of -s and not supported by all parsers."); System.err.println(" -va | -VA Turn on/off validation of schema annotations."); System.err.println(" NOTE: Requires use of -s and not supported by all parsers."); System.err.println(" -dv | -DV Turn on/off dynamic validation."); System.err.println(" NOTE: Not supported by all parsers."); System.err.println(" -xi | -XI Turn on/off XInclude processing."); System.err.println(" NOTE: Not supported by all parsers."); System.err.println(" -xb | -XB Turn on/off base URI fixup during XInclude processing."); System.err.println(" NOTE: Requires use of -xi and not supported by all parsers."); System.err.println(" -xl | -XL Turn on/off language fixup during XInclude processing."); System.err.println(" NOTE: Requires use of -xi and not supported by all parsers."); System.err.println(" -h This help screen."); System.err.println(); System.err.println("defaults:"); System.err.println(" Parser: " + DEFAULT_PARSER_NAME); System.err.print(" Namespaces: "); System.err.println(DEFAULT_NAMESPACES ? "on" : "off"); System.err.print(" Prefixes: "); System.err.println(DEFAULT_NAMESPACE_PREFIXES ? "on" : "off"); System.err.print(" Validation: "); System.err.println(DEFAULT_VALIDATION ? "on" : "off"); System.err.print(" Load External DTD: "); System.err.println(DEFAULT_LOAD_EXTERNAL_DTD ? "on" : "off"); System.err.print(" Schema: "); System.err.println(DEFAULT_SCHEMA_VALIDATION ? "on" : "off"); System.err.print(" Schema full checking: "); System.err.println(DEFAULT_SCHEMA_FULL_CHECKING ? "on" : "off"); System.err.print(" Honour all schema locations: "); System.err.println(DEFAULT_HONOUR_ALL_SCHEMA_LOCATIONS ? "on" : "off"); System.err.print(" Validate annotations: "); System.err.println(DEFAULT_VALIDATE_ANNOTATIONS ? "on" : "off"); System.err.print(" Dynamic: "); System.err.println(DEFAULT_DYNAMIC_VALIDATION ? "on" : "off"); System.err.print(" XInclude: "); System.err.println(DEFAULT_XINCLUDE ? "on" : "off"); System.err.print(" XInclude base URI fixup: "); System.err.println(DEFAULT_XINCLUDE_FIXUP_BASE_URIS ? "on" : "off"); System.err.print(" XInclude language fixup: "); System.err.println(DEFAULT_XINCLUDE_FIXUP_LANGUAGE ? "on" : "off"); } // printUsage() } // class DocumentTracer