Examples with XMLReader org.xml.sax.XMLReader used on opensource projects

Example 16 with XMLReader

use of org.xml.sax.XMLReader in project openhab1-addons by openhab.

the class SonosXMLParser method getEntriesFromString.

/**
     * @param xml
     * @return a list of Entrys from the given xml string.
     * @throws IOException
     * @throws SAXException
     */
public static List<SonosEntry> getEntriesFromString(String xml) throws SAXException {
    XMLReader reader = XMLReaderFactory.createXMLReader();
    EntryHandler handler = new EntryHandler();
    reader.setContentHandler(handler);
    try {
        reader.parse(new InputSource(new StringReader(xml)));
    } catch (IOException e) {
        logger.error("Could not parse Entries from String {}", xml);
    }
    return handler.getArtists();
}

Example 17 with XMLReader

use of org.xml.sax.XMLReader in project openhab1-addons by openhab.

the class SonosXMLParser method getAVTransportFromXML.

public static Map<String, StateVariableValue> getAVTransportFromXML(String xml) throws SAXException {
    XMLReader reader = XMLReaderFactory.createXMLReader();
    AVTransportEventHandler handler = new AVTransportEventHandler();
    reader.setContentHandler(handler);
    try {
        reader.parse(new InputSource(new StringReader(xml)));
    } catch (IOException e) {
        // This should never happen - we're not performing I/O!
        logger.error("Could not parse AV Transport Event: {}", e);
    }
    return handler.getChanges();
}

Example 18 with XMLReader

use of org.xml.sax.XMLReader in project robovm by robovm.

the class TransformerFactoryImpl method newTemplates.

/**
   * Process the source into a Templates object, which is likely
   * a compiled representation of the source. This Templates object
   * may then be used concurrently across multiple threads.  Creating
   * a Templates object allows the TransformerFactory to do detailed
   * performance optimization of transformation instructions, without
   * penalizing runtime transformation.
   *
   * @param source An object that holds a URL, input stream, etc.
   * @return A Templates object capable of being used for transformation purposes.
   *
   * @throws TransformerConfigurationException May throw this during the parse when it
   *            is constructing the Templates object and fails.
   */
public Templates newTemplates(Source source) throws TransformerConfigurationException {
    String baseID = source.getSystemId();
    if (null != baseID) {
        baseID = SystemIDResolver.getAbsoluteURI(baseID);
    }
    if (source instanceof DOMSource) {
        DOMSource dsource = (DOMSource) source;
        Node node = dsource.getNode();
        if (null != node)
            return processFromNode(node, baseID);
        else {
            String messageStr = XSLMessages.createMessage(XSLTErrorResources.ER_ILLEGAL_DOMSOURCE_INPUT, null);
            throw new IllegalArgumentException(messageStr);
        }
    }
    TemplatesHandler builder = newTemplatesHandler();
    builder.setSystemId(baseID);
    try {
        InputSource isource = SAXSource.sourceToInputSource(source);
        isource.setSystemId(baseID);
        XMLReader reader = null;
        if (source instanceof SAXSource)
            reader = ((SAXSource) source).getXMLReader();
        if (null == reader) {
            // Use JAXP1.1 ( if possible )
            try {
                javax.xml.parsers.SAXParserFactory factory = javax.xml.parsers.SAXParserFactory.newInstance();
                factory.setNamespaceAware(true);
                if (m_isSecureProcessing) {
                    try {
                        factory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
                    } catch (org.xml.sax.SAXException se) {
                    }
                }
                javax.xml.parsers.SAXParser jaxpParser = factory.newSAXParser();
                reader = jaxpParser.getXMLReader();
            } catch (javax.xml.parsers.ParserConfigurationException ex) {
                throw new org.xml.sax.SAXException(ex);
            } catch (javax.xml.parsers.FactoryConfigurationError ex1) {
                throw new org.xml.sax.SAXException(ex1.toString());
            } catch (NoSuchMethodError ex2) {
            } catch (AbstractMethodError ame) {
            }
        }
        if (null == reader)
            reader = XMLReaderFactory.createXMLReader();
        // If you set the namespaces to true, we'll end up getting double 
        // xmlns attributes.  Needs to be fixed.  -sb
        // reader.setFeature("http://xml.org/sax/features/namespace-prefixes", true);
        reader.setContentHandler(builder);
        reader.parse(isource);
    } catch (org.xml.sax.SAXException se) {
        if (m_errorListener != null) {
            try {
                m_errorListener.fatalError(new TransformerException(se));
            } catch (TransformerConfigurationException ex1) {
                throw ex1;
            } catch (TransformerException ex1) {
                throw new TransformerConfigurationException(ex1);
            }
        } else {
            throw new TransformerConfigurationException(se.getMessage(), se);
        }
    } catch (Exception e) {
        if (m_errorListener != null) {
            try {
                m_errorListener.fatalError(new TransformerException(e));
                return null;
            } catch (TransformerConfigurationException ex1) {
                throw ex1;
            } catch (TransformerException ex1) {
                throw new TransformerConfigurationException(ex1);
            }
        } else {
            throw new TransformerConfigurationException(e.getMessage(), e);
        }
    }
    return builder.getTemplates();
}

Example 19 with XMLReader

use of org.xml.sax.XMLReader in project robovm by robovm.

the class ProcessorInclude method parse.

/**
   * Set off a new parse for an included or imported stylesheet.  This will 
   * set the {@link StylesheetHandler} to a new state, and recurse in with 
   * a new set of parse events.  Once this function returns, the state of 
   * the StylesheetHandler should be restored.
   *
   * @param handler non-null reference to current StylesheetHandler that is constructing the Templates.
   * @param uri The Namespace URI, which should be the XSLT namespace.
   * @param localName The local name (without prefix), which should be "include" or "import".
   * @param rawName The qualified name (with prefix).
   * @param attributes The list of attributes on the xsl:include or xsl:import element.
   *
   * @throws org.xml.sax.SAXException Any SAX exception, possibly
   *            wrapping another exception.
   */
protected void parse(StylesheetHandler handler, String uri, String localName, String rawName, Attributes attributes) throws org.xml.sax.SAXException {
    TransformerFactoryImpl processor = handler.getStylesheetProcessor();
    URIResolver uriresolver = processor.getURIResolver();
    try {
        Source source = null;
        if (null != uriresolver) {
            // There is a user provided URI resolver.
            // At the startElement() call we would
            // have tried to obtain a Source from it
            // which we now retrieve
            source = handler.peekSourceFromURIResolver();
            if (null != source && source instanceof DOMSource) {
                Node node = ((DOMSource) source).getNode();
                // There is a user provided URI resolver.
                // At the startElement() call we would
                // have already pushed the system ID, obtained
                // from either the source.getSystemId(), if non-null
                // or from SystemIDResolver.getAbsoluteURI() as a backup
                // which we now retrieve.
                String systemId = handler.peekImportURL();
                // stylesheet module onto the stack.
                if (systemId != null)
                    handler.pushBaseIndentifier(systemId);
                TreeWalker walker = new TreeWalker(handler, new org.apache.xml.utils.DOM2Helper(), systemId);
                try {
                    walker.traverse(node);
                } catch (org.xml.sax.SAXException se) {
                    throw new TransformerException(se);
                }
                if (systemId != null)
                    handler.popBaseIndentifier();
                return;
            }
        }
        if (null == source) {
            String absURL = SystemIDResolver.getAbsoluteURI(getHref(), handler.getBaseIdentifier());
            source = new StreamSource(absURL);
        }
        // possible callback to a class that over-rides this method.
        source = processSource(handler, source);
        XMLReader reader = null;
        if (source instanceof SAXSource) {
            SAXSource saxSource = (SAXSource) source;
            // may be null
            reader = saxSource.getXMLReader();
        }
        InputSource inputSource = SAXSource.sourceToInputSource(source);
        if (null == reader) {
            // Use JAXP1.1 ( if possible )
            try {
                javax.xml.parsers.SAXParserFactory factory = javax.xml.parsers.SAXParserFactory.newInstance();
                factory.setNamespaceAware(true);
                if (handler.getStylesheetProcessor().isSecureProcessing()) {
                    try {
                        factory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
                    } catch (org.xml.sax.SAXException se) {
                    }
                }
                javax.xml.parsers.SAXParser jaxpParser = factory.newSAXParser();
                reader = jaxpParser.getXMLReader();
            } catch (javax.xml.parsers.ParserConfigurationException ex) {
                throw new org.xml.sax.SAXException(ex);
            } catch (javax.xml.parsers.FactoryConfigurationError ex1) {
                throw new org.xml.sax.SAXException(ex1.toString());
            } catch (NoSuchMethodError ex2) {
            } catch (AbstractMethodError ame) {
            }
        }
        if (null == reader)
            reader = XMLReaderFactory.createXMLReader();
        if (null != reader) {
            reader.setContentHandler(handler);
            // Push the absolute URI of the included/imported
            // stylesheet module onto the stack.
            handler.pushBaseIndentifier(inputSource.getSystemId());
            try {
                reader.parse(inputSource);
            } finally {
                handler.popBaseIndentifier();
            }
        }
    } catch (IOException ioe) {
        handler.error(XSLTErrorResources.ER_IOEXCEPTION, new Object[] { getHref() }, ioe);
    } catch (TransformerException te) {
        handler.error(te.getMessage(), te);
    }
}

Example 20 with XMLReader

use of org.xml.sax.XMLReader in project robovm by robovm.

the class TransformerIdentityImpl method transform.

/**
   * Process the source tree to the output result.
   * @param source  The input for the source tree.
   *
   * @param outputTarget The output target.
   *
   * @throws TransformerException If an unrecoverable error occurs
   * during the course of the transformation.
   */
public void transform(Source source, Result outputTarget) throws TransformerException {
    createResultContentHandler(outputTarget);
    /*
     * According to JAXP1.2, new SAXSource()/StreamSource()
     * should create an empty input tree, with a default root node. 
     * new DOMSource()creates an empty document using DocumentBuilder.
     * newDocument(); Use DocumentBuilder.newDocument() for all 3 situations,
     * since there is no clear spec. how to create an empty tree when
     * both SAXSource() and StreamSource() are used.
     */
    if ((source instanceof StreamSource && source.getSystemId() == null && ((StreamSource) source).getInputStream() == null && ((StreamSource) source).getReader() == null) || (source instanceof SAXSource && ((SAXSource) source).getInputSource() == null && ((SAXSource) source).getXMLReader() == null) || (source instanceof DOMSource && ((DOMSource) source).getNode() == null)) {
        try {
            DocumentBuilderFactory builderF = DocumentBuilderFactory.newInstance();
            DocumentBuilder builder = builderF.newDocumentBuilder();
            String systemID = source.getSystemId();
            source = new DOMSource(builder.newDocument());
            // Copy system ID from original, empty Source to new Source
            if (systemID != null) {
                source.setSystemId(systemID);
            }
        } catch (ParserConfigurationException e) {
            throw new TransformerException(e.getMessage());
        }
    }
    try {
        if (source instanceof DOMSource) {
            DOMSource dsource = (DOMSource) source;
            m_systemID = dsource.getSystemId();
            Node dNode = dsource.getNode();
            if (null != dNode) {
                try {
                    if (dNode.getNodeType() == Node.ATTRIBUTE_NODE)
                        this.startDocument();
                    try {
                        if (dNode.getNodeType() == Node.ATTRIBUTE_NODE) {
                            String data = dNode.getNodeValue();
                            char[] chars = data.toCharArray();
                            characters(chars, 0, chars.length);
                        } else {
                            org.apache.xml.serializer.TreeWalker walker;
                            walker = new org.apache.xml.serializer.TreeWalker(this, m_systemID);
                            walker.traverse(dNode);
                        }
                    } finally {
                        if (dNode.getNodeType() == Node.ATTRIBUTE_NODE)
                            this.endDocument();
                    }
                } catch (SAXException se) {
                    throw new TransformerException(se);
                }
                return;
            } else {
                String messageStr = XSLMessages.createMessage(XSLTErrorResources.ER_ILLEGAL_DOMSOURCE_INPUT, null);
                throw new IllegalArgumentException(messageStr);
            }
        }
        InputSource xmlSource = SAXSource.sourceToInputSource(source);
        if (null == xmlSource) {
            //"Can't transform a Source of type "
            throw new TransformerException(XSLMessages.createMessage(XSLTErrorResources.ER_CANNOT_TRANSFORM_SOURCE_TYPE, new Object[] { source.getClass().getName() }));
        //+ source.getClass().getName() + "!");
        }
        if (null != xmlSource.getSystemId())
            m_systemID = xmlSource.getSystemId();
        XMLReader reader = null;
        boolean managedReader = false;
        try {
            if (source instanceof SAXSource) {
                reader = ((SAXSource) source).getXMLReader();
            }
            if (null == reader) {
                try {
                    reader = XMLReaderManager.getInstance().getXMLReader();
                    managedReader = true;
                } catch (SAXException se) {
                    throw new TransformerException(se);
                }
            } else {
                try {
                    reader.setFeature("http://xml.org/sax/features/namespace-prefixes", true);
                } catch (org.xml.sax.SAXException se) {
                // We don't care.
                }
            }
            // Get the input content handler, which will handle the 
            // parse events and create the source tree. 
            ContentHandler inputHandler = this;
            reader.setContentHandler(inputHandler);
            if (inputHandler instanceof org.xml.sax.DTDHandler)
                reader.setDTDHandler((org.xml.sax.DTDHandler) inputHandler);
            try {
                if (inputHandler instanceof org.xml.sax.ext.LexicalHandler)
                    reader.setProperty("http://xml.org/sax/properties/lexical-handler", inputHandler);
                if (inputHandler instanceof org.xml.sax.ext.DeclHandler)
                    reader.setProperty("http://xml.org/sax/properties/declaration-handler", inputHandler);
            } catch (org.xml.sax.SAXException se) {
            }
            try {
                if (inputHandler instanceof org.xml.sax.ext.LexicalHandler)
                    reader.setProperty("http://xml.org/sax/handlers/LexicalHandler", inputHandler);
                if (inputHandler instanceof org.xml.sax.ext.DeclHandler)
                    reader.setProperty("http://xml.org/sax/handlers/DeclHandler", inputHandler);
            } catch (org.xml.sax.SAXNotRecognizedException snre) {
            }
            reader.parse(xmlSource);
        } catch (org.apache.xml.utils.WrappedRuntimeException wre) {
            Throwable throwable = wre.getException();
            while (throwable instanceof org.apache.xml.utils.WrappedRuntimeException) {
                throwable = ((org.apache.xml.utils.WrappedRuntimeException) throwable).getException();
            }
            throw new TransformerException(wre.getException());
        } catch (org.xml.sax.SAXException se) {
            throw new TransformerException(se);
        } catch (IOException ioe) {
            throw new TransformerException(ioe);
        } finally {
            if (managedReader) {
                XMLReaderManager.getInstance().releaseXMLReader(reader);
            }
        }
    } finally {
        if (null != m_outputStream) {
            try {
                m_outputStream.close();
            } catch (IOException ioe) {
            }
            m_outputStream = null;
        }
    }
}