+++ /dev/null
-/*
- * Copyright (C) 2001, 2002 The Mir-coders group
- *
- * This file is part of Mir.
- *
- * Mir is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * Mir is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Mir; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * In addition, as a special exception, The Mir-coders gives permission to link
- * the code of this program with any library licensed under the Apache Software License,
- * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
- * (or with modified versions of the above that use the same license as the above),
- * and distribute linked combinations including the two. You must obey the
- * GNU General Public License in all respects for all of the code used other than
- * the above mentioned libraries. If you modify this file, you may extend this
- * exception to your version of the file, but you are not obligated to do so.
- * If you do not wish to do so, delete this exception statement from your version.
- */
-package mir.util;
-
-import java.io.FileInputStream;
-import java.io.InputStream;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Stack;
-
-import javax.xml.parsers.ParserConfigurationException;
-import javax.xml.parsers.SAXParser;
-import javax.xml.parsers.SAXParserFactory;
-
-import multex.Exc;
-import multex.Failure;
-
-import org.xml.sax.Attributes;
-import org.xml.sax.InputSource;
-import org.xml.sax.Locator;
-import org.xml.sax.SAXException;
-import org.xml.sax.SAXParseException;
-import org.xml.sax.helpers.DefaultHandler;
-
-public class XMLReader {
- private Locator locator;
- private String filename;
- private boolean namespaceAware;
-
- public XMLReader() {
- this(false);
- }
-
- public XMLReader(boolean aNameSpaceAware) {
- namespaceAware = aNameSpaceAware;
- filename="";
- }
-
- public void parseFile(String aFileName, SectionHandler aRootHandler) throws XMLReaderFailure, XMLReaderExc {
- filename= aFileName;
- try {
- parseInputStream(new FileInputStream(aFileName), aRootHandler);
- }
- catch (Throwable t) {
- throw new XMLReaderFailure(t);
- }
- }
-
- public void parseInputStream(InputStream anInputStream, SectionHandler aRootHandler) throws XMLReaderFailure, XMLReaderExc {
- try {
- SAXParserFactory parserFactory = SAXParserFactory.newInstance();
-
- parserFactory.setNamespaceAware(true);
- parserFactory.setValidating(true);
-
- XMLReaderHandler handler = new XMLReaderHandler(parserFactory, aRootHandler);
-
- handler.processInputStream(anInputStream);
- }
- catch (Throwable e) {
- Throwable t = ExceptionFunctions.traceCauseException(e);
-
- if (t instanceof XMLReaderExc) {
- throw (XMLReaderExc) t;
- }
-
- if (t instanceof XMLReaderFailure) {
- throw (XMLReaderFailure) t;
- }
-
- throw new XMLReaderFailure(t);
- }
- }
-
- private class XMLReaderHandler extends DefaultHandler {
- private SAXParserFactory parserFactory;
- private SectionsManager manager;
- private InputSource inputSource;
-
- public XMLReaderHandler(SAXParserFactory aParserFactory, SectionHandler aRootHandler) {
- super();
-
- parserFactory=aParserFactory;
- manager = new SectionsManager();
- manager.pushHandler(aRootHandler);
- }
-
- public void setDocumentLocator(Locator aLocator) {
- locator=aLocator;
- }
-
- private void processInputStream(InputStream anInputStream) throws XMLReaderExc, XMLReaderFailure {
- try {
- SAXParser parser=parserFactory.newSAXParser();
-
- inputSource = new InputSource(anInputStream);
- parser.parse(inputSource, this);
- }
- catch (Throwable e) {
- Throwable t = ExceptionFunctions.traceCauseException(e);
-
- if (t instanceof XMLReaderExc) {
- if (locator!=null && filename!=null)
- ((XMLReaderExc) t).setLocation(filename, locator.getLineNumber(), locator.getColumnNumber());
- throw (XMLReaderExc) t;
- }
-
- if (t instanceof SAXParseException) {
- XMLReaderExc r = new XMLReaderExc(t.getMessage());
-
- if (locator!=null && filename!=null)
- r.setLocation(filename, locator.getLineNumber(), locator.getColumnNumber());
-
- throw r;
- }
-
- if (t instanceof XMLReaderFailure) {
- throw (XMLReaderFailure) t;
- }
-
- if (t instanceof ParserConfigurationException) {
- throw new XMLReaderFailure("Internal exception: "+t.toString(), t);
- }
-
- throw new XMLReaderFailure(t);
- }
- }
-
- public void startElement(String aUri, String aLocalName, String aQualifiedName, Attributes anAttributes) throws SAXException {
- Map attributesMap;
- int i;
-
- try {
- attributesMap = new HashMap();
-
- if (namespaceAware)
- for (i=0; i<anAttributes.getLength(); i++)
- attributesMap.put(new XMLName(anAttributes.getURI(i), anAttributes.getLocalName(i)), anAttributes.getValue(i));
- else
- for (i=0; i<anAttributes.getLength(); i++)
- attributesMap.put(anAttributes.getLocalName(i), anAttributes.getValue(i));
-
- SectionHandler handler = manager.currentHandler().startElement(new XMLName(aUri, aLocalName), attributesMap);
-
- manager.pushHandler( handler );
- }
- catch (XMLReaderExc e) {
- throw new SAXParseException(e.getMessage(), null, e);
- }
- catch (Exception e) {
- throw new SAXException(e);
- }
- }
-
- public void endElement(String aUri, String aLocalName, String aQualifiedName) throws SAXException {
- try
- {
- if (!aQualifiedName.equals("include")) {
- SectionHandler handler = manager.popHandler();
-
- handler.finishSection();
-
- if (!manager.isEmpty()) {
- manager.currentHandler().endElement(handler);
- }
- }
- }
- catch (XMLReaderExc e) {
- throw new SAXParseException(e.getMessage(), null, e);
- }
- catch (Exception e) {
- throw new SAXException(e);
- }
- }
-
- public void characters(char[] aBuffer, int aStart, int anEnd) throws SAXException {
- try {
- String text = new String(aBuffer, aStart, anEnd);
-
- manager.currentHandler().characters(text);
- }
- catch (XMLReaderExc e) {
- throw new SAXParseException(e.getMessage(), null, e);
- }
- catch (Exception e) {
- throw new SAXException(e);
- }
- }
- }
-
- private class SectionsManager {
- Stack handlerStack;
-
- public SectionsManager() {
- handlerStack = new Stack();
- }
-
- public void pushHandler(SectionHandler aSectionHandler) {
- handlerStack.push(aSectionHandler);
- }
-
- public SectionHandler popHandler() {
- return (SectionHandler) handlerStack.pop();
- }
-
- public SectionHandler currentHandler() {
- return (SectionHandler) handlerStack.peek();
- }
-
- public boolean isEmpty() {
- return handlerStack.isEmpty();
- }
- }
-
- public static interface SectionHandler {
- public abstract SectionHandler startElement(XMLName aTag, Map anAttributes) throws XMLReaderExc;
-
- public abstract void endElement(SectionHandler aHandler) throws XMLReaderExc;
-
- public void characters(String aCharacters) throws XMLReaderExc;
-
- public void finishSection() throws XMLReaderExc;
- }
-
- public static abstract class AbstractSectionHandler implements SectionHandler {
- public SectionHandler startElement(XMLName aTag, Map anAttributes) throws XMLReaderExc {
- return startElement(aTag.getLocalName(), anAttributes);
- };
-
- public SectionHandler startElement(String aLocalName, Map anAttributes) throws XMLReaderExc {
- return null;
- };
-
- public void endElement(SectionHandler aHandler) throws XMLReaderExc {
- };
-
- public void finishSection() throws XMLReaderExc {
- }
-
- public void characters(String aCharacters) throws XMLReaderExc {
- if ( aCharacters.trim().length() > 0) {
- throw new XMLReaderExc("Text not allowed");
- }
- }
- }
-
- public static class XMLReaderExc extends Exc {
- private boolean hasLocation;
- private String filename;
- private int lineNr;
- private int columnNr;
-
- public XMLReaderExc(String aMessage) {
- super(aMessage);
- hasLocation = false;
- }
-
- protected void setLocation(String aFilename, int aLineNr, int aColumnNr) {
- filename = aFilename;
- lineNr = aLineNr;
- columnNr = aColumnNr;
- hasLocation = true;
- }
-
- public boolean getHasLocation() {
- return hasLocation;
- }
-
- public int getLineNr() {
- return lineNr;
- }
-
- public int getColumnNr() {
- return columnNr;
- }
-
- public String getFilename() {
- return filename;
- }
- }
-
- public static class XMLReaderFailure extends Failure {
- public XMLReaderFailure(String aMessage, Throwable aCause) {
- super(aMessage, aCause);
- }
-
- public XMLReaderFailure(Throwable aCause) {
- super(aCause.getMessage(), aCause);
- }
- }
-
- public static class XMLName {
- private String namespaceURI;
- private String localName;
-
- public XMLName(String aLocalName) {
- this(aLocalName, null);
- }
-
- public XMLName(String aNamespaceURI, String aLocalName) {
- namespaceURI = aNamespaceURI;
- localName = aLocalName;
- }
-
- public String getNamespaceURI() {
- return namespaceURI;
- }
-
- public String getLocalName() {
- return localName;
- }
-
- public int hashCode() {
- if (namespaceURI == null)
- return localName.hashCode();
- else
- return localName.hashCode() + 3*namespaceURI.hashCode();
- }
-
- public String toString() {
- return namespaceURI+":"+localName;
- }
-
- public boolean equals(Object anObject) {
- if (anObject instanceof XMLName) {
- if (namespaceURI==null)
- return (((XMLName) anObject).namespaceURI == null) &&
- localName.equals(((XMLName) anObject).localName);
- else
- return namespaceURI.equals(((XMLName) anObject).namespaceURI) &&
- localName.equals(((XMLName) anObject).localName);
- }
- else
- return false;
- }
- }
-
-}
\ No newline at end of file
projects / mir.git / blobdiff