xsltc.java

java1.6众多例子参考

     */
    public void setXMLReader(XMLReader reader) {
	_reader = reader;
    }

    /**
     * Get the XMLReader to use for parsing the next input stylesheet
     */
    public XMLReader getXMLReader() {
	return _reader ;
    }

    /**
     * Get a Vector containing all compile error messages
     * @return A Vector containing all compile error messages
     */
    public Vector getErrors() {
	return _parser.getErrors();
    }

    /**
     * Get a Vector containing all compile warning messages
     * @return A Vector containing all compile error messages
     */
    public Vector getWarnings() {
	return _parser.getWarnings();
    }

    /**
     * Print all compile error messages to standard output
     */
    public void printErrors() {
	_parser.printErrors();
    }

    /**
     * Print all compile warning messages to standard output
     */
    public void printWarnings() {
	_parser.printWarnings();
    }

    /**
     * This method is called by the XPathParser when it encounters a call
     * to the document() function. Affects the DOM used by the translet.
     */
    protected void setMultiDocument(boolean flag) {
	_multiDocument = flag;
    }

    public boolean isMultiDocument() {
	return _multiDocument;
    }

    /**
     * This method is called by the XPathParser when it encounters a call
     * to the nodeset() extension function. Implies multi document.
     */
    protected void setCallsNodeset(boolean flag) {
	if (flag) setMultiDocument(flag);
	_callsNodeset = flag;
    }

    public boolean callsNodeset() {
	return _callsNodeset;
    }

    protected void setHasIdCall(boolean flag) {
    	_hasIdCall = flag;
    }

    public boolean hasIdCall() {
    	return _hasIdCall;
    }

    /**
     * Set the class name for the generated translet. This class name is
     * overridden if multiple stylesheets are compiled in one go using the
     * compile(Vector urls) method.
     * @param className The name to assign to the translet class
     */
    public void setClassName(String className) {
	final String base  = Util.baseName(className);
	final String noext = Util.noExtName(base);
	String name  = Util.toJavaName(noext);

	if (_packageName == null)
	    _className = name;
	else
	    _className = _packageName + '.' + name;
    }

    /**
     * Get the class name for the generated translet.
     */
    public String getClassName() {
	return _className;
    }

    /**
     * Convert for Java class name of local system file name.
     * (Replace '.' with '/' on UNIX and replace '.' by '\' on Windows/DOS.)
     */
    private String classFileName(final String className) {
	return className.replace('.', File.separatorChar) + ".class";
    }

    /**
     * Generate an output File object to send the translet to
     */
    private File getOutputFile(String className) {
	if (_destDir != null)
	    return new File(_destDir, classFileName(className));
	else
	    return new File(classFileName(className));
    }

    /**
     * Set the destination directory for the translet.
     * The current working directory will be used by default.
     */
    public boolean setDestDirectory(String dstDirName) {
	final File dir = new File(dstDirName);
	if (dir.exists() || dir.mkdirs()) {
	    _destDir = dir;
	    return true;
	}
	else {
	    _destDir = null;
	    return false;
	}
    }

    /**
     * Set an optional package name for the translet and auxiliary classes
     */
    public void setPackageName(String packageName) {
	_packageName = packageName;
	if (_className != null) setClassName(_className);
    }

    /**
     * Set the name of an optional JAR-file to dump the translet and
     * auxiliary classes to
     */
    public void setJarFileName(String jarFileName) {
	final String JAR_EXT = ".jar";
	if (jarFileName.endsWith(JAR_EXT))
	    _jarFileName = jarFileName;
	else
	    _jarFileName = jarFileName + JAR_EXT;
	_outputType = JAR_OUTPUT;
    }

    public String getJarFileName() {
	return _jarFileName;
    }

    /**
     * Set the top-level stylesheet
     */
    public void setStylesheet(Stylesheet stylesheet) {
	if (_stylesheet == null) _stylesheet = stylesheet;
    }

    /**
     * Returns the top-level stylesheet
     */
    public Stylesheet getStylesheet() {
	return _stylesheet;
    }

    /**
     * Registers an attribute and gives it a type so that it can be mapped to
     * DOM attribute types at run-time.
     */
    public int registerAttribute(QName name) {
	Integer code = (Integer)_attributes.get(name.toString());
	if (code == null) {
	    code = new Integer(_nextGType++);
	    _attributes.put(name.toString(), code);
	    final String uri = name.getNamespace();
	    final String local = "@"+name.getLocalPart();
	    if ((uri != null) && (!uri.equals("")))
		_namesIndex.addElement(uri+":"+local);
	    else
		_namesIndex.addElement(local);
	    if (name.getLocalPart().equals("*")) {
		registerNamespace(name.getNamespace());
	    }
	}
	return code.intValue();
    }

    /**
     * Registers an element and gives it a type so that it can be mapped to
     * DOM element types at run-time.
     */
    public int registerElement(QName name) {
	// Register element (full QName)
	Integer code = (Integer)_elements.get(name.toString());
	if (code == null) {
	    _elements.put(name.toString(), code = new Integer(_nextGType++));
	    _namesIndex.addElement(name.toString());
	}
	if (name.getLocalPart().equals("*")) {
	    registerNamespace(name.getNamespace());
	}
	return code.intValue();
    }

     /** 
      * Registers a namespace prefix and gives it a type so that it can be mapped to
      * DOM namespace types at run-time.
      */
  
    public int registerNamespacePrefix(QName name) {
    
    Integer code = (Integer)_namespacePrefixes.get(name.toString());
    if (code == null) {   
        code = new Integer(_nextGType++);
        _namespacePrefixes.put(name.toString(), code); 
        final String uri = name.getNamespace();
        if ((uri != null) && (!uri.equals(""))){
            // namespace::ext2:ped2 will be made empty in TypedNamespaceIterator
            _namesIndex.addElement("?"); 
        } else{        
           _namesIndex.addElement("?"+name.getLocalPart());        
        }
    }   
    return code.intValue();
    }

    /**
     * Registers a namespace and gives it a type so that it can be mapped to
     * DOM namespace types at run-time.
     */
    public int registerNamespace(String namespaceURI) {
	Integer code = (Integer)_namespaces.get(namespaceURI);
	if (code == null) {
	    code = new Integer(_nextNSType++);
	    _namespaces.put(namespaceURI,code);
	    _namespaceIndex.addElement(namespaceURI);
	}
	return code.intValue();
    }

    public int nextModeSerial() {
	return _modeSerial++;
    }

    public int nextStylesheetSerial() {
	return _stylesheetSerial++;
    }

    public int nextStepPatternSerial() {
	return _stepPatternSerial++;
    }

    public int[] getNumberFieldIndexes() {
	return _numberFieldIndexes;
    }

    public int nextHelperClassSerial() {
	return _helperClassSerial++;
    }

    public int nextAttributeSetSerial() {
	return _attributeSetSerial++;
    }

    public Vector getNamesIndex() {
	return _namesIndex;
    }

    public Vector getNamespaceIndex() {
	return _namespaceIndex;
    }

    /**
     * Returns a unique name for every helper class needed to
     * execute a translet.
     */
    public String getHelperClassName() {
	return getClassName() + '$' + _helperClassSerial++;
    }

    public void dumpClass(JavaClass clazz) {

	if (_outputType == FILE_OUTPUT ||
	    _outputType == BYTEARRAY_AND_FILE_OUTPUT)
	{
	    File outFile = getOutputFile(clazz.getClassName());
	    String parentDir = outFile.getParent();
	    if (parentDir != null) {
	      	File parentFile = new File(parentDir);
	      	if (!parentFile.exists())
	            parentFile.mkdirs();
	    }
	}

	try {
	    switch (_outputType) {
	    case FILE_OUTPUT:
		clazz.dump(
		    new BufferedOutputStream(
			new FileOutputStream(
			    getOutputFile(clazz.getClassName()))));
		break;
	    case JAR_OUTPUT:
		_bcelClasses.addElement(clazz);
		break;
	    case BYTEARRAY_OUTPUT:
	    case BYTEARRAY_AND_FILE_OUTPUT:
	    case BYTEARRAY_AND_JAR_OUTPUT:
	    case CLASSLOADER_OUTPUT:
		ByteArrayOutputStream out = new ByteArrayOutputStream(2048);
		clazz.dump(out);
		_classes.addElement(out.toByteArray());

		if (_outputType == BYTEARRAY_AND_FILE_OUTPUT)
		  clazz.dump(new BufferedOutputStream(
			new FileOutputStream(getOutputFile(clazz.getClassName()))));
		else if (_outputType == BYTEARRAY_AND_JAR_OUTPUT)
		  _bcelClasses.addElement(clazz);

		break;
	    }
	}
	catch (Exception e) {
	    e.printStackTrace();
	}
    }

    /**
     * File separators are converted to forward slashes for ZIP files.
     */
    private String entryName(File f) throws IOException {
	return f.getName().replace(File.separatorChar, '/');
    }

    /**
     * Generate output JAR-file and packages
     */
    public void outputToJar() throws IOException {
	// create the manifest
	final Manifest manifest = new Manifest();
	final java.util.jar.Attributes atrs = manifest.getMainAttributes();
	atrs.put(java.util.jar.Attributes.Name.MANIFEST_VERSION,"1.2");

	final Map map = manifest.getEntries();
	// create manifest
	Enumeration classes = _bcelClasses.elements();
	final String now = (new Date()).toString();
	final java.util.jar.Attributes.Name dateAttr =
	    new java.util.jar.Attributes.Name("Date");
	while (classes.hasMoreElements()) {
	    final JavaClass clazz = (JavaClass)classes.nextElement();
	    final String className = clazz.getClassName().replace('.','/');
	    final java.util.jar.Attributes attr = new java.util.jar.Attributes();
	    attr.put(dateAttr, now);
	    map.put(className+".class", attr);
	}

	final File jarFile = new File(_destDir, _jarFileName);
	final JarOutputStream jos =
	    new JarOutputStream(new FileOutputStream(jarFile), manifest);
	classes = _bcelClasses.elements();
	while (classes.hasMoreElements()) {
	    final JavaClass clazz = (JavaClass)classes.nextElement();
	    final String className = clazz.getClassName().replace('.','/');
	    jos.putNextEntry(new JarEntry(className+".class"));
	    final ByteArrayOutputStream out = new ByteArrayOutputStream(2048);
	    clazz.dump(out); // dump() closes it's output stream
	    out.writeTo(jos);
	}
	jos.close();
    }

    /**
     * Turn debugging messages on/off
     */
    public void setDebug(boolean debug) {
	_debug = debug;
    }

    /**
     * Get current debugging message setting
     */
    public boolean debug() {
	return _debug;
    }


    /**
     * Retrieve a string representation of the character data to be stored
     * in the translet as a <code>char[]</code>.  There may be more than
     * one such array required.
     * @param index The index of the <code>char[]</code>.  Zero-based.
     * @return String The character data to be stored in the corresponding
     *               <code>char[]</code>.
     */
    public String getCharacterData(int index) {
        return ((StringBuffer) m_characterData.elementAt(index)).toString();
    }

    /**
     * Get the number of char[] arrays, thus far, that will be created to
     * store literal text in the stylesheet.
     */
    public int getCharacterDataCount() {
        return (m_characterData != null) ? m_characterData.size() : 0;
    }

    /**
     * Add literal text to char arrays that will be used to store character
     * data in the stylesheet.
     * @param newData String data to be added to char arrays.
     *                Pre-condition:  <code>newData.length() &le; 21845</code>
     * @return int offset at which character data will be stored
     */
    public int addCharacterData(String newData) {
        StringBuffer currData;
        if (m_characterData == null) {
            m_characterData = new Vector();
            currData = new StringBuffer();
            m_characterData.addElement(currData);
        } else {
            currData = (StringBuffer) m_characterData
                                           .elementAt(m_characterData.size()-1);
        }

        // Character data could take up to three-times as much space when
        // written to the class file as UTF-8.  The maximum size for a
        // constant is 65535/3.  If we exceed that,
        // (We really should use some "bin packing".)
        if (newData.length() + currData.length() > 21845) {
            currData = new StringBuffer();
            m_characterData.addElement(currData);
        }

        int newDataOffset = currData.length();
        currData.append(newData);

        return newDataOffset;
    }
}