Example usage for javax.xml.parsers SAXParserFactory newSAXParser

List of usage examples for javax.xml.parsers SAXParserFactory newSAXParser

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Introduction

In this page you can find the example usage for javax.xml.parsers SAXParserFactory newSAXParser.

Prototype


public abstract SAXParser newSAXParser() throws ParserConfigurationException, SAXException;

Source Link

Document

Creates a new instance of a SAXParser using the currently configured factory parameters.

Usage

From source file:org.atombeat.xquery.functions.util.RequestGetData.java

public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {

    RequestModule myModule = (RequestModule) context.getModule(RequestModule.NAMESPACE_URI);

    // request object is read from global variable $request
    Variable var = myModule.resolveVariable(RequestModule.REQUEST_VAR);

    if (var == null || var.getValue() == null)
        throw new XPathException(this, "No request object found in the current XQuery context.");

    if (var.getValue().getItemType() != Type.JAVA_OBJECT)
        throw new XPathException(this, "Variable $request is not bound to an Java object.");

    JavaObjectValue value = (JavaObjectValue) var.getValue().itemAt(0);

    if (value.getObject() instanceof RequestWrapper) {
        RequestWrapper request = (RequestWrapper) value.getObject();

        //if the content length is unknown, return
        if (request.getContentLength() == -1) {
            return Sequence.EMPTY_SEQUENCE;
        }/*from   w w w  . j  a v a  2s.  c om*/

        //first, get the content of the request
        byte[] bufRequestData = null;
        try {
            InputStream is = request.getInputStream();
            ByteArrayOutputStream bos = new ByteArrayOutputStream(request.getContentLength());
            byte[] buf = new byte[256];
            int l = 0;
            while ((l = is.read(buf)) > -1) {
                bos.write(buf, 0, l);
            }
            bufRequestData = bos.toByteArray();
        } catch (IOException ioe) {
            throw new XPathException(this, "An IO exception ocurred: " + ioe.getMessage(), ioe);
        }

        //was there any POST content
        if (bufRequestData != null) {
            //determine if exists mime database considers this binary data
            String contentType = request.getContentType();
            if (contentType != null) {
                //strip off any charset encoding info
                if (contentType.indexOf(";") > -1)
                    contentType = contentType.substring(0, contentType.indexOf(";"));

                MimeType mimeType = MimeTable.getInstance().getContentType(contentType);
                //<atombeat>
                // this code will only encode the request data if the mimeType
                // is present in the mime table, and the mimeType is stated
                // as binary...

                //               if(mimeType != null)
                //               {
                //                  if(!mimeType.isXMLType())
                //                  {
                //                     //binary data
                //                     return new Base64Binary(bufRequestData);
                //                  }
                //               }

                // this code takes a more conservative position and assumes that
                // if the mime type is not present in the table, the request
                // data should be treated as binary, and should be encoded as 
                // base 64...

                if (mimeType == null || !mimeType.isXMLType()) {
                    return new Base64Binary(bufRequestData);
                }
                //</atombeat>               
            }

            //try and parse as an XML documemnt, otherwise fallback to returning the data as a string
            context.pushDocumentContext();
            try {
                //try and construct xml document from input stream, we use eXist's in-memory DOM implementation
                SAXParserFactory factory = SAXParserFactory.newInstance();
                factory.setNamespaceAware(true);
                //TODO : we should be able to cope with context.getBaseURI()            
                InputSource src = new InputSource(new ByteArrayInputStream(bufRequestData));
                SAXParser parser = factory.newSAXParser();
                XMLReader reader = parser.getXMLReader();
                MemTreeBuilder builder = context.getDocumentBuilder();
                DocumentBuilderReceiver receiver = new DocumentBuilderReceiver(builder, true);
                reader.setContentHandler(receiver);
                reader.parse(src);
                Document doc = receiver.getDocument();
                return (NodeValue) doc.getDocumentElement();
            } catch (ParserConfigurationException e) {
                //do nothing, we will default to trying to return a string below
            } catch (SAXException e) {
                //do nothing, we will default to trying to return a string below
            } catch (IOException e) {
                //do nothing, we will default to trying to return a string below
            } finally {
                context.popDocumentContext();
            }

            //not a valid XML document, return a string representation of the document
            String encoding = request.getCharacterEncoding();
            if (encoding == null) {
                encoding = "UTF-8";
            }
            try {
                String s = new String(bufRequestData, encoding);
                return new StringValue(s);
            } catch (IOException e) {
                throw new XPathException(this, "An IO exception ocurred: " + e.getMessage(), e);
            }
        } else {
            //no post data
            return Sequence.EMPTY_SEQUENCE;
        }
    } else {
        throw new XPathException(this, "Variable $request is not bound to a Request object.");
    }
}

From source file:org.attoparser.benchmark.AttoParserVSStandardSAXBenchmark.java

public static String standardSaxBenchmark(final String fileName, final int iterations) throws Exception {

    final SAXParserFactory parserFactory = SAXParserFactory.newInstance();
    final SAXParser parser = parserFactory.newSAXParser();

    /*/*  w  w  w  . j  a v a2 s  .c  om*/
     * WARMUP BEGIN
     */
    System.out.println("Warming up phase for SAX STARTED");
    for (int i = 0; i < 10000; i++) {

        InputStream is = null;
        Reader reader = null;

        try {

            is = Thread.currentThread().getContextClassLoader().getResourceAsStream(fileName);
            reader = new BufferedReader(new InputStreamReader(is, "ISO-8859-1"));

            final InputSource inputSource = new InputSource(reader);

            final BenchmarkStandardSaxContentHandler handler = new BenchmarkStandardSaxContentHandler();
            parser.setProperty("http://xml.org/sax/properties/lexical-handler", handler);
            parser.setProperty("http://xml.org/sax/properties/declaration-handler", handler);

            parser.parse(inputSource, handler);
            parser.reset();

            handler.getEventCounter();

        } finally {
            try {
                if (reader != null)
                    reader.close();
            } catch (final Exception ignored) {
                /* ignored */}
            try {
                if (is != null)
                    is.close();
            } catch (final Exception ignored) {
                /* ignored */}
        }

    }
    /*
     * WARMUP END
     */
    System.out.println("Warming up phase for SAX FINISHED");

    final StopWatch sw = new StopWatch();
    boolean started = false;

    int eventCounter = 0;
    for (int i = 0; i < iterations; i++) {

        InputStream is = null;
        Reader reader = null;

        try {

            is = Thread.currentThread().getContextClassLoader().getResourceAsStream(fileName);
            reader = new BufferedReader(new InputStreamReader(is, "ISO-8859-1"));

            final InputSource inputSource = new InputSource(reader);

            final BenchmarkStandardSaxContentHandler handler = new BenchmarkStandardSaxContentHandler();
            parser.setProperty("http://xml.org/sax/properties/lexical-handler", handler);
            parser.setProperty("http://xml.org/sax/properties/declaration-handler", handler);

            if (started) {
                sw.resume();
            } else {
                started = true;
                sw.start();
            }

            parser.parse(inputSource, handler);
            parser.reset();

            sw.suspend();

            eventCounter = handler.getEventCounter();

        } finally {
            try {
                if (reader != null)
                    reader.close();
            } catch (final Exception ignored) {
                /* ignored */}
            try {
                if (is != null)
                    is.close();
            } catch (final Exception ignored) {
                /* ignored */}
        }

    }

    sw.stop();

    return "[" + eventCounter + "] " + sw.toString();

}

From source file:org.attoparser.benchmark.AttoParserVSStandardSAXBenchmark.java

private static String getSAXParserClassName() throws Exception {
    final SAXParserFactory parserFactory = SAXParserFactory.newInstance();
    final SAXParser parser = parserFactory.newSAXParser();
    return parser.getClass().getName();
}

From source file:org.bigbluebutton.freeswitch.voice.freeswitch.actions.CheckIfConfIsRunningCommand.java

public void handleResponse(EslMessage response, ConferenceEventListener eventListener) {

    //Test for Known Conference

    String firstLine = response.getBodyLines().get(0);

    log.info("Check conference first line response: " + firstLine);
    //E.g. Conference 85115 not found

    if (!firstLine.startsWith("<?xml")) {
        log.info("INFO! Successfully ejected all users from conference {}.", room);
        return;//  w w  w .j  a  va 2  s  .c o  m
    }

    XMLResponseConferenceListParser confXML = new XMLResponseConferenceListParser();

    //get a factory
    SAXParserFactory spf = SAXParserFactory.newInstance();
    try {

        //get a new instance of parser
        SAXParser sp = spf.newSAXParser();

        //Hack turning body lines back into string then to ByteStream.... BLAH!
        String responseBody = StringUtils.join(response.getBodyLines(), "\n");
        //http://mark.koli.ch/2009/02/resolving-orgxmlsaxsaxparseexception-content-is-not-allowed-in-prolog.html
        //This Sux!
        responseBody = responseBody.trim().replaceFirst("^([\\W]+)<", "<");

        ByteArrayInputStream bs = new ByteArrayInputStream(responseBody.getBytes());
        sp.parse(bs, confXML);

        Integer numUsers = confXML.getConferenceList().size();
        if (numUsers > 0) {

            log.info("Check conference response: " + responseBody);
            log.warn("WARNING! Failed to eject all users from conf={},numUsers={}.", room, numUsers);
            for (ConferenceMember member : confXML.getConferenceList()) {
                if ("caller".equals(member.getMemberType())) {
                    //Foreach found member in conference create a JoinedEvent
                    String callerId = member.getCallerId();
                    String callerIdName = member.getCallerIdName();
                    String voiceUserId = callerIdName;
                    String uuid = member.getUUID();
                    log.info("WARNING! User possibly stuck in conference. uuid=" + uuid + ",caller="
                            + callerIdName + ",callerId=" + callerId + ",conf=" + room);
                } else if ("recording_node".equals(member.getMemberType())) {

                }

            }
        } else {
            log.info("INFO! Successfully ejected all users from conference {}.", room);
        }

    } catch (SAXException se) {
        //            System.out.println("Cannot parse repsonce. ", se);
    } catch (ParserConfigurationException pce) {
        //            System.out.println("ParserConfigurationException. ", pce);
    } catch (IOException ie) {
        //           System.out.println("Cannot parse repsonce. IO Exception. ", ie);
    }
}

From source file:org.bigbluebutton.freeswitch.voice.freeswitch.actions.GetAllUsersCommand.java

public void handleResponse(EslMessage response, ConferenceEventListener eventListener) {

    //Test for Known Conference

    String firstLine = response.getBodyLines().get(0);

    //E.g. Conference 85115 not found

    if (!firstLine.startsWith("<?xml")) {
        //            System.out.println("Not XML: [{}]", firstLine);
        return;//from ww w  .j  a v a  2s  . com
    }

    XMLResponseConferenceListParser confXML = new XMLResponseConferenceListParser();

    //get a factory
    SAXParserFactory spf = SAXParserFactory.newInstance();
    try {

        //get a new instance of parser
        SAXParser sp = spf.newSAXParser();

        //Hack turning body lines back into string then to ByteStream.... BLAH!

        String responseBody = StringUtils.join(response.getBodyLines(), "\n");

        //http://mark.koli.ch/2009/02/resolving-orgxmlsaxsaxparseexception-content-is-not-allowed-in-prolog.html
        //This Sux!
        responseBody = responseBody.trim().replaceFirst("^([\\W]+)<", "<");

        ByteArrayInputStream bs = new ByteArrayInputStream(responseBody.getBytes());
        sp.parse(bs, confXML);

        //Maybe move this to XMLResponseConferenceListParser, sendConfrenceEvents ?
        VoiceUserJoinedEvent pj;

        for (ConferenceMember member : confXML.getConferenceList()) {
            //Foreach found member in conference create a JoinedEvent
            String callerId = member.getCallerId();
            String callerIdName = member.getCallerIdName();
            String voiceUserId = callerIdName;

            Matcher matcher = CALLERNAME_PATTERN.matcher(callerIdName);
            if (matcher.matches()) {
                voiceUserId = matcher.group(1).trim();
                callerIdName = matcher.group(2).trim();
            }

            pj = new VoiceUserJoinedEvent(voiceUserId, member.getId().toString(), confXML.getConferenceRoom(),
                    callerId, callerIdName, member.getMuted(), member.getSpeaking(), null);
            eventListener.handleConferenceEvent(pj);
        }

    } catch (SAXException se) {
        //            System.out.println("Cannot parse repsonce. ", se);
    } catch (ParserConfigurationException pce) {
        //            System.out.println("ParserConfigurationException. ", pce);
    } catch (IOException ie) {
        //           System.out.println("Cannot parse repsonce. IO Exception. ", ie);
    }
}

From source file:org.biouno.drmaa_pbs.parser.NodeXmlParser.java

public List<Node> parse(String xml) throws ParseException {
    try {/*from   w w w  . j a v  a2s.co m*/
        final SAXParserFactory factory = SAXParserFactory.newInstance();
        final SAXParser saxParser = factory.newSAXParser();
        final NodeXmlHandler handler = new NodeXmlHandler();

        saxParser.parse(new CharSequenceInputStream(xml, Charset.defaultCharset()), handler);

        return handler.getNodes();
    } catch (IOException ioe) {
        throw new ParseException(ioe);
    } catch (SAXException e) {
        throw new ParseException(e);
    } catch (ParserConfigurationException e) {
        throw new ParseException(e);
    }
}

From source file:org.browsermob.proxy.jetty.xml.XmlParser.java

/**
 * Construct/*from  w ww  . j  a  v  a2 s.co m*/
 */
public XmlParser() {
    try {
        SAXParserFactory factory = SAXParserFactory.newInstance();
        boolean notValidating = Boolean.getBoolean("org.browsermob.proxy.jetty.xml.XmlParser.NotValidating");
        factory.setValidating(!notValidating);
        _parser = factory.newSAXParser();
        try {
            if (!notValidating)
                _parser.getXMLReader().setFeature("http://apache.org/xml/features/validation/schema", true);
        } catch (Exception e) {
            log.warn("Schema validation may not be supported");
            log.debug("", e);
            notValidating = true;
        }
        _parser.getXMLReader().setFeature("http://xml.org/sax/features/validation", !notValidating);
        _parser.getXMLReader().setFeature("http://xml.org/sax/features/namespaces", !notValidating);
        _parser.getXMLReader().setFeature("http://xml.org/sax/features/namespace-prefixes", !notValidating);
    } catch (Exception e) {
        log.warn(LogSupport.EXCEPTION, e);
        throw new Error(e.toString());
    }
}

From source file:org.cerberus.crud.service.impl.ImportFileService.java

/**
 * Auxiliary method that parses an XML. Depending on the type, a different handler can be used, and different information is retrieved to the user
 * @param filecontent content to be parse
 * @param handlerType handler type that defines the type of information that should be retrieved
 * @return the content of the XML file that was parsed
 * @throws SAXException//from  w w w  .  jav a2 s .  c o  m
 * @throws ParserConfigurationException
 * @throws IOException 
 */
private Object parseXMLFile(InputStream xmlContent, XMLHandlerEnumType handlerType)
        throws SAXException, ParserConfigurationException, IOException {
    SAXParserFactory saxParserFactory = SAXParserFactory.newInstance();
    SAXParser saxParser = saxParserFactory.newSAXParser();

    if (handlerType.ordinal() == XMLHandlerEnumType.TESTDATALIB_HANDLER.ordinal()) {
        XMLTestDataLibHandler handler = new XMLTestDataLibHandler();
        saxParser.parse(xmlContent, handler);
        return handler.getDataFromFile(); // returns tha map that contains the data that we want to parse
    }
    return null;
}

From source file:org.chiba.xml.xforms.connector.SchemaValidator.java

/**
 * validate the instance according to the schema specified on the model
 *
 * @return false if the instance is not valid
 *///from  w  w  w. ja  va2  s .  c o m
public boolean validateSchema(Model model, Node instance) throws XFormsException {
    boolean valid = true;
    String message;
    if (LOGGER.isDebugEnabled())
        LOGGER.debug("SchemaValidator.validateSchema: validating instance");

    //needed if we want to load schemas from Model + set it as "schemaLocation" attribute
    String schemas = model.getElement().getAttributeNS(NamespaceConstants.XFORMS_NS, "schema");
    if (schemas != null && !schemas.equals("")) {
        //          valid=false;

        //add schemas to element
        //shouldn't it be done on a copy of the doc ?
        Element el = null;
        if (instance.getNodeType() == Node.ELEMENT_NODE)
            el = (Element) instance;
        else if (instance.getNodeType() == Node.DOCUMENT_NODE)
            el = ((Document) instance).getDocumentElement();
        else {
            if (LOGGER.isDebugEnabled())
                LOGGER.debug("instance node type is: " + instance.getNodeType());
        }

        String prefix = NamespaceResolver.getPrefix(el, XMLSCHEMA_INSTANCE_NS);
        //test if with targetNamespace or not
        //if more than one schema : namespaces are mandatory ! (optional only for 1)
        StringTokenizer tokenizer = new StringTokenizer(schemas, " ", false);
        String schemaLocations = null;
        String noNamespaceSchemaLocation = null;
        while (tokenizer.hasMoreElements()) {
            String token = (String) tokenizer.nextElement();
            //check that it is an URL
            URI uri = null;
            try {
                uri = new java.net.URI(token);
            } catch (java.net.URISyntaxException ex) {
                if (LOGGER.isDebugEnabled())
                    LOGGER.debug(token + " is not an URI");
            }

            if (uri != null) {
                String ns;
                try {
                    ns = this.getSchemaNamespace(uri);

                    if (ns != null && !ns.equals("")) {
                        if (schemaLocations == null)
                            schemaLocations = ns + " " + token;
                        else
                            schemaLocations = schemaLocations + " " + ns + " " + token;

                        ///add the namespace declaration if it is not on the instance?
                        //TODO: how to know with which prefix ?
                        String nsPrefix = NamespaceResolver.getPrefix(el, ns);
                        if (nsPrefix == null) { //namespace not declared !
                            LOGGER.warn("SchemaValidator: targetNamespace " + ns + " of schema " + token
                                    + " is not declared in instance: declaring it as default...");
                            el.setAttributeNS(NamespaceConstants.XMLNS_NS, NamespaceConstants.XMLNS_PREFIX, ns);
                        }
                    } else if (noNamespaceSchemaLocation == null)
                        noNamespaceSchemaLocation = token;
                    else { //we have more than one schema without namespace
                        LOGGER.warn("SchemaValidator: There is more than one schema without namespace !");
                    }
                } catch (Exception ex) {
                    LOGGER.warn(
                            "Exception while trying to load schema: " + uri.toString() + ": " + ex.getMessage(),
                            ex);
                    //in case there was an exception: do nothing, do not set the schema
                }
            }
        }
        //write schemaLocations found
        if (schemaLocations != null && !schemaLocations.equals(""))
            el.setAttributeNS(XMLSCHEMA_INSTANCE_NS, prefix + ":schemaLocation", schemaLocations);
        if (noNamespaceSchemaLocation != null)
            el.setAttributeNS(XMLSCHEMA_INSTANCE_NS, prefix + ":noNamespaceSchemaLocation",
                    noNamespaceSchemaLocation);

        //save and parse the doc
        ValidationErrorHandler handler = null;
        File f;
        try {
            //save document
            f = File.createTempFile("instance", ".xml");
            f.deleteOnExit();
            TransformerFactory trFact = TransformerFactory.newInstance();
            Transformer trans = trFact.newTransformer();
            DOMSource source = new DOMSource(el);
            StreamResult result = new StreamResult(f);
            trans.transform(source, result);
            if (LOGGER.isDebugEnabled())
                LOGGER.debug("Validator.validateSchema: file temporarily saved in " + f.getAbsolutePath());

            //parse it with error handler to validate it
            handler = new ValidationErrorHandler();
            SAXParserFactory parserFact = SAXParserFactory.newInstance();
            parserFact.setValidating(true);
            parserFact.setNamespaceAware(true);
            SAXParser parser = parserFact.newSAXParser();
            XMLReader reader = parser.getXMLReader();

            //validation activated
            reader.setFeature("http://xml.org/sax/features/validation", true);
            //schema validation activated
            reader.setFeature("http://apache.org/xml/features/validation/schema", true);
            //used only to validate the schema, not the instance
            //reader.setFeature( "http://apache.org/xml/features/validation/schema-full-checking", true);
            //validate only if there is a grammar
            reader.setFeature("http://apache.org/xml/features/validation/dynamic", true);

            parser.parse(f, handler);
        } catch (Exception ex) {
            LOGGER.warn("Validator.validateSchema: Exception in XMLSchema validation: " + ex.getMessage(), ex);
            //throw new XFormsException("XMLSchema validation failed. "+message);
        }

        //if no exception
        if (handler != null && handler.isValid())
            valid = true;
        else {
            message = handler.getMessage();
            //TODO: find a way to get the error message displayed
            throw new XFormsException("XMLSchema validation failed. " + message);
        }

        if (LOGGER.isDebugEnabled())
            LOGGER.debug("Validator.validateSchema: result=" + valid);

    }

    return valid;
}

From source file:org.codehaus.enunciate.modules.xml.XMLDeploymentModule.java

/**
 * Pretty-prints the specified xml file.
 *
 * @param file The file to pretty-print.
 *///from  www. j  a va 2s.  c o m
protected void prettyPrint(File file) {
    try {
        SAXParserFactory factory = SAXParserFactory.newInstance();
        factory.setNamespaceAware(false);
        SAXParser parser = factory.newSAXParser();
        File prettyFile = enunciate.createTempFile("enunciate", file.getName());
        parser.parse(file, new PrettyPrinter(prettyFile));

        if (file.delete()) {
            enunciate.copyFile(prettyFile, file);
        } else {
            warn("Unable to delete %s.  Skipping pretty-print transformation....", file);
        }
    } catch (Exception e) {
        //fall through... skip pretty printing.
        warn("Unable to pretty-print %s (%s).", file, e.getMessage());
        if (enunciate.isDebug()) {
            e.printStackTrace(System.err);
        }
    }
}