Example usage for org.xml.sax.helpers DefaultHandler DefaultHandler

Introduction

In this page you can find the example usage for org.xml.sax.helpers DefaultHandler DefaultHandler.

Prototype

DefaultHandler

Source Link

Usage

From source file:Main.java

public static void main(String args[]) throws Exception {
    SAXParserFactory factory = SAXParserFactory.newInstance();
    SAXParser saxParser = factory.newSAXParser();
    DefaultHandler handler = new DefaultHandler() {
        public void startElement(String uri, String localName, String qName, Attributes attributes)
                throws SAXException {
            System.out.println(qName);
        }//w  ww  .  ja  v  a  2s.co m

        public void characters(char ch[], int start, int length) throws SAXException {
            System.out.println(new String(ch, start, length));
        }
    };

    saxParser.parse(args[0], handler);
}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    SAXParser parser = SAXParserFactory.newInstance().newSAXParser();
    parser.parse(new File("test.xml"), new DefaultHandler() {

        @Override//from w  w  w  .java 2 s  .  com
        public void startElement(String uri, String localName, String qName, Attributes atts)
                throws SAXException {
            if (qName.equals("passenger")) {
                System.out.println("id = " + atts.getValue(0));
            }
        }

        @Override
        public void endElement(String uri, String localName, String qName) throws SAXException {
        }

        @Override
        public void characters(char[] ch, int start, int length) throws SAXException {
            String text = new String(ch, start, length);
            if (!text.trim().isEmpty()) {
                System.out.println("name " + text);
            }
        }
    });
}

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From source file:MainClass.java

public static void main(String args[]) {
    try {/*from ww  w  . j  a  v  a  2s  .  c  o  m*/
        SAXParserFactory factory = SAXParserFactory.newInstance();
        SAXParser saxParser = factory.newSAXParser();
        DefaultHandler handler = new DefaultHandler() {
            boolean name = false;

            public void startElement(String uri, String localName, String qName, Attributes attributes)
                    throws SAXException {
                if (qName.equalsIgnoreCase("NAME")) {
                    name = true;
                }
            }

            public void characters(char ch[], int start, int length) throws SAXException {
                if (name) {
                    System.out.println("Name: " + new String(ch, start, length));
                    name = false;
                }
            }
        };

        saxParser.parse(new InputSource(new StringReader(xmlString)), handler);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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From source file:NameLister.java

public static void main(String args[]) {

    if (args.length != 1) {
        System.err.println("Usage: java NameLister xmlfile.xml");
        System.exit(-1);//from  w w  w.jav  a 2  s  .com
    }

    try {

        SAXParserFactory factory = SAXParserFactory.newInstance();
        SAXParser saxParser = factory.newSAXParser();

        DefaultHandler handler = new DefaultHandler() {
            boolean name = false;

            public void startElement(String uri, String localName, String qName, Attributes attributes)
                    throws SAXException {
                if (qName.equalsIgnoreCase("NAME")) {
                    name = true;
                }
            }

            public void characters(char ch[], int start, int length) throws SAXException {
                if (name) {
                    System.out.println("Name: " + new String(ch, start, length));
                    name = false;
                }
            }
        };

        saxParser.parse(args[0], handler);

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

---

From source file:SAXTest.java

public static void main(String[] args) throws Exception {
    String url;//from   w w w.  ja  va2 s .  c  o  m
    if (args.length == 0) {
        url = "http://www.w3c.org";
        System.out.println("Using " + url);
    } else
        url = args[0];

    DefaultHandler handler = new DefaultHandler() {
        public void startElement(String namespaceURI, String lname, String qname, Attributes attrs) {
            if (lname.equals("a") && attrs != null) {
                for (int i = 0; i < attrs.getLength(); i++) {
                    String aname = attrs.getLocalName(i);
                    if (aname.equals("href"))
                        System.out.println(attrs.getValue(i));
                }
            }
        }
    };

    SAXParserFactory factory = SAXParserFactory.newInstance();
    factory.setNamespaceAware(true);
    SAXParser saxParser = factory.newSAXParser();
    InputStream in = new URL(url).openStream();
    saxParser.parse(in, handler);
}

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From source file:elaborate.util.XmlUtil.java

public static boolean isWellFormed(String body) {
    try {/* ww  w .j  a v  a  2 s  .  co m*/
        SAXParser parser;
        parser = SAXParserFactory.newInstance().newSAXParser();
        DefaultHandler dh = new DefaultHandler();
        parser.parse(new InputSource(new StringReader(body)), dh);
    } catch (ParserConfigurationException e1) {
        e1.printStackTrace();
        return false;
    } catch (SAXException e1) {
        e1.printStackTrace();
        Log.error("body={}", body);
        return false;
    } catch (IOException e) {
        e.printStackTrace();
        return false;
    }
    return true;
}

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From source file:com.badugi.game.logic.model.utils.common.XmlUtils.java

/**
 * Retrieve the text for a group of elements. Each text element is an entry
 * in a list./*from  w w w . ja  v  a 2s.  c o  m*/
 * <p>This method is currently optimized for the use case of two elements in a list.
 *
 * @param xmlAsString the xml response
 * @param element     the element to look for
 * @return the list of text from the elements.
 */
public static List<String> getTextForElements(final String xmlAsString, final String element) {
    final List<String> elements = new ArrayList<String>(2);
    final XMLReader reader = getXmlReader();

    final DefaultHandler handler = new DefaultHandler() {

        private boolean foundElement = false;

        private StringBuilder buffer = new StringBuilder();

        public void startElement(final String uri, final String localName, final String qName,
                final Attributes attributes) throws SAXException {
            if (localName.equals(element)) {
                this.foundElement = true;
            }
        }

        public void endElement(final String uri, final String localName, final String qName)
                throws SAXException {
            if (localName.equals(element)) {
                this.foundElement = false;
                elements.add(this.buffer.toString());
                this.buffer = new StringBuilder();
            }
        }

        public void characters(char[] ch, int start, int length) throws SAXException {
            if (this.foundElement) {
                this.buffer.append(ch, start, length);
            }
        }
    };

    reader.setContentHandler(handler);
    reader.setErrorHandler(handler);

    try {
        reader.parse(new InputSource(new StringReader(xmlAsString)));
    } catch (final Exception e) {
        LOG.error(e, e);
        return null;
    }

    return elements;
}

---

From source file:com.opengamma.financial.convention.calendar.XMLCalendarLoader.java

/**
 * Populate the specified working day calendar from the XML file.
 * @param calendar  the calendar to populate, not null
 *//*from  ww  w  .ja  v a2  s.co m*/
public void populateCalendar(final ExceptionCalendar calendar) {
    final SAXParserFactory factory = SAXParserFactory.newInstance();
    try {
        final SAXParser parser = factory.newSAXParser();
        parser.parse(getSourceDataURI(), new DefaultHandler() {
            private ParserState _state = ParserState.OTHER;
            private String _innerText;

            @Override
            public void startElement(final String uri, final String localName, final String qName,
                    final Attributes attributes) {
                switch (_state) {
                case OTHER:
                    if (qName.equalsIgnoreCase(TAG_WORKING_DAYS)) {
                        _state = ParserState.WORKING_DAYS;
                    } else if (qName.equalsIgnoreCase(TAG_NON_WORKING_DAYS)) {
                        _state = ParserState.NON_WORKING_DAYS;
                    }
                    break;
                }
            }

            @Override
            public void characters(final char[] ch, final int start, final int length) {
                _innerText = new String(ch, start, length);
            }

            @Override
            public void endElement(final String uri, final String localName, final String qName) {
                switch (_state) {
                case WORKING_DAYS:
                    if (qName.equalsIgnoreCase(TAG_DATE)) {
                        calendar.addWorkingDay(LocalDate.parse(_innerText));
                    } else if (qName.equalsIgnoreCase(TAG_WORKING_DAYS)) {
                        _state = ParserState.OTHER;
                    }
                    break;
                case NON_WORKING_DAYS:
                    if (qName.equalsIgnoreCase(TAG_DATE)) {
                        calendar.addNonWorkingDay(LocalDate.parse(_innerText));
                    } else if (qName.equalsIgnoreCase(TAG_NON_WORKING_DAYS)) {
                        _state = ParserState.OTHER;
                    }
                    break;
                }
            }
        });
    } catch (final ParserConfigurationException ex) {
        throw wrap(ex);
    } catch (final SAXException ex) {
        throw wrap(ex);
    } catch (final IOException ex) {
        throw wrap(ex);
    }
}

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From source file:io.dataapps.chlorine.mask.MaskFactory.java

public MaskFactory(FinderEngine fEngine, InputStream in) {
    engine = fEngine;/*from  w ww . j a v a 2  s .  c  o  m*/
    try {
        SAXParserFactory factory = SAXParserFactory.newInstance();
        SAXParser saxParser = factory.newSAXParser();

        DefaultHandler handler = new DefaultHandler() {

            boolean bName = false;
            boolean bClass = false;
            boolean bConfiguration = false;
            boolean bDefault = false;

            String name = "";
            String className = "";
            String configuration = "";
            String defaultStr;

            public void startElement(String uri, String localName, String qName, Attributes attributes)
                    throws SAXException {
                if (qName.equalsIgnoreCase("NAME")) {
                    bName = true;
                } else if (qName.equalsIgnoreCase("CLASS")) {
                    bClass = true;
                } else if (qName.equalsIgnoreCase("CONFIGURATION")) {
                    bConfiguration = true;
                } else if (qName.equalsIgnoreCase("DEFAULT")) {
                    bDefault = true;
                }
            }

            public void endElement(String uri, String localName, String qName) throws SAXException {

                if (qName.equalsIgnoreCase("NAME")) {
                    bName = false;
                    name = name.trim();
                } else if (qName.equalsIgnoreCase("CLASS")) {
                    bClass = false;
                    className = className.trim();
                } else if (qName.equalsIgnoreCase("CONFIGURATION")) {
                    bConfiguration = false;
                    configuration = configuration.trim();
                } else if (qName.equalsIgnoreCase("DEFAULT")) {
                    bDefault = false;
                    defaultMasker = defaultStr.trim();
                } else if (qName.equalsIgnoreCase("MASKER")) {

                    if (!name.isEmpty() && !className.isEmpty() && !configuration.isEmpty()) {
                        try {
                            Class<?> klass = Thread.currentThread().getContextClassLoader()
                                    .loadClass(className);
                            Masker masker = (Masker) klass.newInstance();
                            masker.init(engine, configuration);
                            maskers.put(name, masker);
                        } catch (ClassNotFoundException | InstantiationException | IllegalAccessException e) {
                            LOG.error(e);
                        }
                    } else {
                        if (name.isEmpty()) {
                            LOG.error("The name for a masker cannot be empty");
                        }
                        if (className.isEmpty()) {
                            LOG.error("The class name for a masker cannot be empty");
                        }
                        if (configuration.isEmpty()) {
                            LOG.error("The configuration for a masker cannot be empty");
                        }
                    }
                    name = "";
                    configuration = "";
                    className = "";
                    defaultStr = "";
                }
            }

            public void characters(char ch[], int start, int length) throws SAXException {
                if (bName) {
                    name += new String(ch, start, length);
                } else if (bClass) {
                    className += new String(ch, start, length);
                } else if (bConfiguration) {
                    configuration += new String(ch, start, length);
                } else if (bDefault) {
                    defaultStr += new String(ch, start, length);
                }
            }
        };

        saxParser.parse(in, handler);

    } catch (Exception e) {
        LOG.error(e);
    }
}

---

From source file:codeswarm.XMLQueueLoader.java

public void run() {
    XMLReader reader = null;//  www .  j  ava 2  s  . c  o m
    try {
        reader = XMLReaderFactory.createXMLReader();
    } catch (SAXException e) {
        logger.error("Couldn't find/create an XML SAX Reader", e);
        System.exit(1);
    }

    reader.setContentHandler(new DefaultHandler() {
        public void startElement(String uri, String localName, String name, Attributes atts)
                throws SAXException {
            if (name.equals("event")) {
                String eventFilename = atts.getValue("filename");
                String eventDatestr = atts.getValue("date");
                long eventDate = Long.parseLong(eventDatestr);
                String eventWeightStr = atts.getValue("weight");
                int eventWeight = 1;
                if (eventWeightStr != null) {
                    eventWeight = Integer.parseInt(eventWeightStr);
                }

                //It's difficult for the user to tell that they're missing events,
                //so we should crash in this case
                if (isXMLSorted) {
                    if (eventDate < maximumDateSeenSoFar) {
                        logger.error(
                                "Input not sorted, you must set IsInputSorted to false in your config file");
                        System.exit(1);
                    } else
                        maximumDateSeenSoFar = eventDate;
                }

                String eventAuthor = atts.getValue("author");
                // int eventLinesAdded = atts.getValue( "linesadded" );
                // int eventLinesRemoved = atts.getValue( "linesremoved" );

                FileEvent evt = new FileEvent(eventDate, eventAuthor, "", eventFilename, eventWeight);
                try {
                    queue.put(evt);
                    fireEventAddedEvent();
                } catch (InterruptedException e) {
                    // TODO Auto-generated catch block
                    logger.error("Interrupted while trying to put into eventsQueue", e);
                    System.exit(1);
                }
            }
        }

        /*
         * (non-Javadoc)
         * @see org.xml.sax.helpers.DefaultHandler#endDocument()
         * 
         * Notify any listeners that the Document has finished parsing.
         */
        public void endDocument() {
            fireTaskDoneEvent();
        }

    });

    try {
        reader.parse(fullFilename);
    } catch (Exception e) {
        logger.error("Error parsing xml:", e);
        System.exit(1);
    }
}

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