Mega Code Archive
SAX2 writer
<![CDATA[
/*
* 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.lang.reflect.Method;
import org.xml.sax.Attributes;
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.ext.LexicalHandler;
import org.xml.sax.helpers.DefaultHandler;
import org.xml.sax.helpers.ParserAdapter;
import org.xml.sax.helpers.ParserFactory;
import org.xml.sax.helpers.XMLReaderFactory;
/**
* 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.
*
* @author Andy Clark, IBM
*
* @version $Id: Writer.java 447686 2006-09-19 02:38:34Z mrglavas $
*/
public class Writer extends DefaultHandler implements LexicalHandler {
//
// 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";
/**
* Generate synthetic schema annotations feature id
* (http://apache.org/xml/features/generate-synthetic-annotations).
*/
protected static final String GENERATE_SYNTHETIC_ANNOTATIONS_ID = "http://apache.org/xml/features/generate-synthetic-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 generate synthetic schema annotations (false). */
protected static final boolean DEFAULT_GENERATE_SYNTHETIC_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;
/** Default canonical output (false). */
protected static final boolean DEFAULT_CANONICAL = false;
//
// Data
//
/** Print writer. */
protected PrintWriter fOut;
/** Canonical output. */
protected boolean fCanonical;
/** Element depth. */
protected int fElementDepth;
/** Document locator. */
protected Locator fLocator;
/** Processing XML 1.1 document. */
protected boolean fXML11;
/** In CDATA section. */
protected boolean fInCDATA;
//
// Constructors
//
/** Default constructor. */
public Writer() {
} // <init>()
//
// Public methods
//
/** Sets whether output is canonical. */
public void setCanonical(boolean canonical) {
fCanonical = canonical;
} // setCanonical(boolean)
/** Sets the output stream for printing. */
public void setOutput(OutputStream stream, String encoding) throws UnsupportedEncodingException {
if (encoding == null) {
encoding = "UTF8";
}
java.io.Writer writer = new OutputStreamWriter(stream, encoding);
fOut = new PrintWriter(writer);
} // setOutput(OutputStream,String)
/** Sets the output writer. */
public void setOutput(java.io.Writer writer) {
fOut = writer instanceof PrintWriter ? (PrintWriter) writer : new PrintWriter(writer);
} // setOutput(java.io.Writer)
//
// ContentHandler methods
//
/** Set Document Locator. */
public void setDocumentLocator(Locator locator) {
fLocator = locator;
} // setDocumentLocator(Locator)
/** Start document. */
public void startDocument() throws SAXException {
fElementDepth = 0;
fXML11 = false;
fInCDATA = false;
} // startDocument()
/** Processing instruction. */
public void processingInstruction(String target, String data) throws SAXException {
if (fElementDepth > 0) {
fOut.print("<?");
fOut.print(target);
if (data != null && data.length() > 0) {
fOut.print(' ');
fOut.print(data);
}
fOut.print("?>");
fOut.flush();
}
} // processingInstruction(String,String)
/** Start element. */
public void startElement(String uri, String local, String raw, Attributes attrs)
throws SAXException {
// Root Element
if (fElementDepth == 0) {
if (fLocator != null) {
fXML11 = "1.1".equals(getVersion());
fLocator = null;
}
// The XML declaration cannot be printed in startDocument because
// the version reported by the Locator cannot be relied on until after
// the XML declaration in the instance document has been read.
if (!fCanonical) {
if (fXML11) {
fOut.println("<?xml version=\"1.1\" encoding=\"UTF-8\"?>");
} else {
fOut.println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
}
fOut.flush();
}
}
fElementDepth++;
fOut.print('<');
fOut.print(raw);
if (attrs != null) {
attrs = sortAttributes(attrs);
int len = attrs.getLength();
for (int i = 0; i < len; i++) {
fOut.print(' ');
fOut.print(attrs.getQName(i));
fOut.print("=\"");
normalizeAndPrint(attrs.getValue(i), true);
fOut.print('"');
}
}
fOut.print('>');
fOut.flush();
} // startElement(String,String,String,Attributes)
/** Characters. */
public void characters(char ch[], int start, int length) throws SAXException {
if (!fInCDATA) {
normalizeAndPrint(ch, start, length, false);
} else {
for (int i = 0; i < length; ++i) {
fOut.print(ch[start + i]);
}
}
fOut.flush();
} // characters(char[],int,int);
/** Ignorable whitespace. */
public void ignorableWhitespace(char ch[], int start, int length) throws SAXException {
characters(ch, start, length);
fOut.flush();
} // ignorableWhitespace(char[],int,int);
/** End element. */
public void endElement(String uri, String local, String raw) throws SAXException {
fElementDepth--;
fOut.print("</");
fOut.print(raw);
fOut.print('>');
fOut.flush();
} // endElement(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)
//
// LexicalHandler methods
//
/** Start DTD. */
public void startDTD(String name, String publicId, String systemId) throws SAXException {
} // startDTD(String,String,String)
/** End DTD. */
public void endDTD() throws SAXException {
} // endDTD()
/** Start entity. */
public void startEntity(String name) throws SAXException {
} // startEntity(String)
/** End entity. */
public void endEntity(String name) throws SAXException {
} // endEntity(String)
/** Start CDATA section. */
public void startCDATA() throws SAXException {
if (!fCanonical) {
fOut.print("<![CDATA[");
fInCDATA = true;
}
} // startCDATA()
/** End CDATA section. */
public void endCDATA() throws SAXException {
if (!fCanonical) {
fInCDATA = false;
fOut.print("]]>");
}
} // endCDATA()
/** Comment. */
public void comment(char ch[], int start, int length) throws SAXException {
if (!fCanonical && fElementDepth > 0) {
fOut.print("<!--");
for (int i = 0; i < length; ++i) {
fOut.print(ch[start + i]);
}
fOut.print("-->");
fOut.flush();
}
} // comment(char[],int,int)
//
// Protected methods
//
/** 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
/** Normalizes and prints the given string. */
protected void normalizeAndPrint(String s, boolean isAttValue) {
int len = (s != null) ? s.length() : 0;
for (int i = 0; i < len; i++) {
char c = s.charAt(i);
normalizeAndPrint(c, isAttValue);
}
} // normalizeAndPrint(String,boolean)
/** Normalizes and prints the given array of characters. */
protected void normalizeAndPrint(char[] ch, int offset, int length, boolean isAttValue) {
for (int i = 0; i < length; i++) {
normalizeAndPrint(ch[offset + i], isAttValue);
}
} // normalizeAndPrint(char[],int,int,boolean)
/** Normalizes and print the given character. */
protected void normalizeAndPrint(char c, boolean isAttValue) {
switch (c) {
case '<': {
fOut.print("<");
break;
}
case '>': {
fOut.print(">");
break;
}
case '&': {
fOut.print("&");
break;
}
case '"': {
// A '"' that appears in character data
// does not need to be escaped.
if (isAttValue) {
fOut.print(""");
} else {
fOut.print("\"");
}
break;
}
case '\r': {
// If CR is part of the document's content, it
// must not be printed as a literal otherwise
// it would be normalized to LF when the document
// is reparsed.
fOut.print("
");
break;
}
case '\n': {
if (fCanonical) {
fOut.print("
");
break;
}
// else, default print char
}
default: {
// In XML 1.1, control chars in the ranges [#x1-#x1F, #x7F-#x9F] must be
// escaped.
//
// Escape space characters that would be normalized to #x20 in attribute
// values
// when the document is reparsed.
//
// Escape NEL (0x85) and LSEP (0x2028) that appear in content
// if the document is XML 1.1, since they would be normalized to LF
// when the document is reparsed.
if (fXML11
&& ((c >= 0x01 && c <= 0x1F && c != 0x09 && c != 0x0A) || (c >= 0x7F && c <= 0x9F) || c == 0x2028)
|| isAttValue && (c == 0x09 || c == 0x0A)) {
fOut.print("&#x");
fOut.print(Integer.toHexString(c).toUpperCase());
fOut.print(";");
} else {
fOut.print(c);
}
}
}
} // normalizeAndPrint(char,boolean)
/** 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)
/** Extracts the XML version from the Locator. */
protected String getVersion() {
if (fLocator == null) {
return null;
}
String version = null;
Method getXMLVersion = null;
try {
getXMLVersion = fLocator.getClass().getMethod("getXMLVersion", new Class[] {});
// If Locator implements Locator2, this method will exist.
if (getXMLVersion != null) {
version = (String) getXMLVersion.invoke(fLocator, (Object[]) null);
}
} catch (Exception e) {
// Either this locator object doesn't have
// this method, or we're on an old JDK.
}
return version;
} // getVersion()
//
// Main
//
/** Main program entry point. */
public static void main(String argv[]) {
// is there anything to do?
if (argv.length == 0) {
printUsage();
System.exit(1);
}
// variables
Writer writer = null;
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 generateSyntheticAnnotations = DEFAULT_GENERATE_SYNTHETIC_ANNOTATIONS;
boolean dynamicValidation = DEFAULT_DYNAMIC_VALIDATION;
boolean xincludeProcessing = DEFAULT_XINCLUDE;
boolean xincludeFixupBaseURIs = DEFAULT_XINCLUDE_FIXUP_BASE_URIS;
boolean xincludeFixupLanguage = DEFAULT_XINCLUDE_FIXUP_LANGUAGE;
boolean canonical = DEFAULT_CANONICAL;
// 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 + ")");
e.printStackTrace(System.err);
}
}
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("ga")) {
generateSyntheticAnnotations = option.equals("ga");
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.equalsIgnoreCase("c")) {
canonical = option.equals("c");
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 + ")");
e.printStackTrace(System.err);
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(GENERATE_SYNTHETIC_ANNOTATIONS_ID, generateSyntheticAnnotations);
} catch (SAXNotRecognizedException e) {
System.err.println("warning: Parser does not recognize feature ("
+ GENERATE_SYNTHETIC_ANNOTATIONS_ID + ")");
} catch (SAXNotSupportedException e) {
System.err.println("warning: Parser does not support feature ("
+ GENERATE_SYNTHETIC_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 + ")");
}
// setup writer
if (writer == null) {
writer = new Writer();
try {
writer.setOutput(System.out, "UTF8");
} catch (UnsupportedEncodingException e) {
System.err.println("error: Unable to set output. Exiting.");
System.exit(1);
}
}
// set parser
parser.setContentHandler(writer);
parser.setErrorHandler(writer);
try {
parser.setProperty(LEXICAL_HANDLER_PROPERTY_ID, writer);
} catch (SAXException e) {
// ignore
}
// parse file
writer.setCanonical(canonical);
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.Writer (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(" -ga | -GA Turn on/off generation of synthetic 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(" -c | -C Turn on/off Canonical XML output.");
System.err.println(" NOTE: This is not W3C canonical output.");
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(" Dynamic: ");
System.err.println(DEFAULT_DYNAMIC_VALIDATION ? "on" : "off");
System.err.print(" Canonical: ");
System.err.println(DEFAULT_CANONICAL ? "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(" Generate Synthetic Annotations: ");
System.err.println(DEFAULT_GENERATE_SYNTHETIC_ANNOTATIONS ? "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 Writer
class AttributesImpl implements Attributes {
//
// Data
//
/** Head node. */
private ListNode head;
/** Tail node. */
private ListNode tail;
/** Length. */
private int length;
//
// Attributes methods
//
/** Returns the number of attributes. */
public int getLength() {
return length;
}
/** Returns the index of the specified attribute. */
public int getIndex(String raw) {
ListNode place = head;
int index = 0;
while (place != null) {
if (place.raw.equals(raw)) {
return index;
}
index++;
place = place.next;
}
return -1;
}
/** Returns the index of the specified attribute. */
public int getIndex(String uri, String local) {
ListNode place = head;
int index = 0;
while (place != null) {
if (place.uri.equals(uri) && place.local.equals(local)) {
return index;
}
index++;
place = place.next;
}
return -1;
}
/** Returns the attribute URI by index. */
public String getURI(int index) {
ListNode node = getListNodeAt(index);
return node != null ? node.uri : null;
} // getURI(int):String
/** Returns the attribute local name by index. */
public String getLocalName(int index) {
ListNode node = getListNodeAt(index);
return node != null ? node.local : null;
} // getLocalName(int):String
/** Returns the attribute raw name by index. */
public String getQName(int index) {
ListNode node = getListNodeAt(index);
return node != null ? node.raw : null;
} // getQName(int):String
/** Returns the attribute type by index. */
public String getType(int index) {
ListNode node = getListNodeAt(index);
return (node != null) ? node.type : null;
} // getType(int):String
/** Returns the attribute type by uri and local. */
public String getType(String uri, String local) {
ListNode node = getListNode(uri, local);
return (node != null) ? node.type : null;
} // getType(String,String):String
/** Returns the attribute type by raw name. */
public String getType(String raw) {
ListNode node = getListNode(raw);
return (node != null) ? node.type : null;
} // getType(String):String
/** Returns the attribute value by index. */
public String getValue(int index) {
ListNode node = getListNodeAt(index);
return (node != null) ? node.value : null;
} // getType(int):String
/** Returns the attribute value by uri and local. */
public String getValue(String uri, String local) {
ListNode node = getListNode(uri, local);
return (node != null) ? node.value : null;
} // getType(String):String
/** Returns the attribute value by raw name. */
public String getValue(String raw) {
ListNode node = getListNode(raw);
return (node != null) ? node.value : null;
} // getType(String):String
//
// Public methods
//
/** Adds an attribute. */
public void addAttribute(String raw, String type, String value) {
addAttribute(null, null, raw, type, value);
}
/** Adds an attribute. */
public void addAttribute(String uri, String local, String raw, String type, String value) {
ListNode node = new ListNode(uri, local, raw, type, value);
if (length == 0) {
head = node;
} else {
tail.next = node;
}
tail = node;
length++;
} // addAttribute(String,StringString,String,String)
/** Inserts an attribute. */
public void insertAttributeAt(int index, String raw, String type, String value) {
insertAttributeAt(index, null, null, raw, type, value);
}
/** Inserts an attribute. */
public void insertAttributeAt(int index, String uri, String local, String raw, String type,
String value) {
// if list is empty, add attribute
if (length == 0 || index >= length) {
addAttribute(uri, local, raw, type, value);
return;
}
// insert at beginning of list
ListNode node = new ListNode(uri, local, raw, type, value);
if (index < 1) {
node.next = head;
head = node;
} else {
ListNode prev = getListNodeAt(index - 1);
node.next = prev.next;
prev.next = node;
}
length++;
} // insertAttributeAt(int,String,String,String,String,String)
/** Removes an attribute. */
public void removeAttributeAt(int index) {
if (length == 0) {
return;
}
if (index == 0) {
head = head.next;
if (head == null) {
tail = null;
}
length--;
} else {
ListNode prev = getListNodeAt(index - 1);
ListNode node = getListNodeAt(index);
if (node != null) {
prev.next = node.next;
if (node == tail) {
tail = prev;
}
length--;
}
}
} // removeAttributeAt(int)
/** Removes the specified attribute. */
public void removeAttribute(String raw) {
removeAttributeAt(getIndex(raw));
}
/** Removes the specified attribute. */
public void removeAttribute(String uri, String local) {
removeAttributeAt(getIndex(uri, local));
}
//
// Private methods
//
/** Returns the node at the specified index. */
private ListNode getListNodeAt(int i) {
for (ListNode place = head; place != null; place = place.next) {
if (--i == -1) {
return place;
}
}
return null;
} // getListNodeAt(int):ListNode
/** Returns the first node with the specified uri and local. */
public ListNode getListNode(String uri, String local) {
if (uri != null && local != null) {
ListNode place = head;
while (place != null) {
if (place.uri != null && place.local != null && place.uri.equals(uri)
&& place.local.equals(local)) {
return place;
}
place = place.next;
}
}
return null;
} // getListNode(String,String):ListNode
/** Returns the first node with the specified raw name. */
private ListNode getListNode(String raw) {
if (raw != null) {
for (ListNode place = head; place != null; place = place.next) {
if (place.raw != null && place.raw.equals(raw)) {
return place;
}
}
}
return null;
} // getListNode(String):ListNode
//
// Object methods
//
/** Returns a string representation of this object. */
public String toString() {
StringBuffer str = new StringBuffer();
str.append('[');
str.append("len=");
str.append(length);
str.append(", {");
for (ListNode place = head; place != null; place = place.next) {
str.append(place.toString());
if (place.next != null) {
str.append(", ");
}
}
str.append("}]");
return str.toString();
} // toString():String
//
// Classes
//
/**
* An attribute node.
*/
static class ListNode {
//
// Data
//
/** Attribute uri. */
public String uri;
/** Attribute local. */
public String local;
/** Attribute raw. */
public String raw;
/** Attribute type. */
public String type;
/** Attribute value. */
public String value;
/** Next node. */
public ListNode next;
//
// Constructors
//
/** Constructs a list node. */
public ListNode(String uri, String local, String raw, String type, String value) {
this.uri = uri;
this.local = local;
this.raw = raw;
this.type = type;
this.value = value;
} // <init>(String,String,String,String,String)
//
// Object methods
//
/** Returns string representation of this object. */
public String toString() {
return raw != null ? raw : local;
}
} // class ListNode
} // class AttributesImpl
]]>