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

Example 91 with XMLReader

use of org.xml.sax.XMLReader in project hbase by apache.

the class TestTableScan method testScanUsingListenerUnmarshallerXML.

/**
   * An example to scan using listener in unmarshaller for XML.
   * @throws Exception the exception
   */
@Test
public void testScanUsingListenerUnmarshallerXML() throws Exception {
    StringBuilder builder = new StringBuilder();
    builder.append("/*");
    builder.append("?");
    builder.append(Constants.SCAN_COLUMN + "=" + COLUMN_1);
    builder.append("&");
    builder.append(Constants.SCAN_LIMIT + "=10");
    Response response = client.get("/" + TABLE + builder.toString(), Constants.MIMETYPE_XML);
    assertEquals(200, response.getCode());
    assertEquals(Constants.MIMETYPE_XML, response.getHeader("content-type"));
    JAXBContext context = JAXBContext.newInstance(ClientSideCellSetModel.class, RowModel.class, CellModel.class);
    Unmarshaller unmarshaller = context.createUnmarshaller();
    final ClientSideCellSetModel.Listener listener = new ClientSideCellSetModel.Listener() {

        @Override
        public void handleRowModel(ClientSideCellSetModel helper, RowModel row) {
            assertTrue(row.getKey() != null);
            assertTrue(row.getCells().size() > 0);
        }
    };
    // install the callback on all ClientSideCellSetModel instances
    unmarshaller.setListener(new Unmarshaller.Listener() {

        public void beforeUnmarshal(Object target, Object parent) {
            if (target instanceof ClientSideCellSetModel) {
                ((ClientSideCellSetModel) target).setCellSetModelListener(listener);
            }
        }

        public void afterUnmarshal(Object target, Object parent) {
            if (target instanceof ClientSideCellSetModel) {
                ((ClientSideCellSetModel) target).setCellSetModelListener(null);
            }
        }
    });
    // create a new XML parser
    SAXParserFactory factory = SAXParserFactory.newInstance();
    factory.setNamespaceAware(true);
    XMLReader reader = factory.newSAXParser().getXMLReader();
    reader.setContentHandler(unmarshaller.getUnmarshallerHandler());
    assertFalse(ClientSideCellSetModel.listenerInvoked);
    reader.parse(new InputSource(response.getStream()));
    assertTrue(ClientSideCellSetModel.listenerInvoked);
}

Example 92 with XMLReader

use of org.xml.sax.XMLReader in project camel by apache.

the class TidyMarkupDataFormat method asStringTidyMarkup.

/**
     * Return the tidy markup as a string
     * 
     * @param inputStream
     * @return String of XML
     * @throws CamelException
     */
public String asStringTidyMarkup(InputStream inputStream) throws CamelException {
    XMLReader parser = createTagSoupParser();
    StringWriter w = new StringWriter();
    parser.setContentHandler(createContentHandler(w));
    try {
        parser.parse(new InputSource(inputStream));
        return w.toString();
    } catch (Exception e) {
        throw new CamelException("Failed to convert the HTML to tidy Markup", e);
    } finally {
        try {
            inputStream.close();
        } catch (Exception e) {
            LOG.warn("Failed to close the inputStream");
        }
    }
}

Example 93 with XMLReader

use of org.xml.sax.XMLReader in project camel by apache.

the class TidyMarkupDataFormat method asNodeTidyMarkup.

/**
     * Return the HTML Markup as an {@link org.w3c.dom.Node}
     * 
     * @param inputStream
     *            The input Stream to convert
     * @return org.w3c.dom.Node The HTML Markup as a DOM Node
     * @throws CamelException
     */
public Node asNodeTidyMarkup(InputStream inputStream) throws CamelException {
    XMLReader parser = createTagSoupParser();
    StringWriter w = new StringWriter();
    parser.setContentHandler(createContentHandler(w));
    try {
        Transformer transformer = TransformerFactory.newInstance().newTransformer();
        DOMResult result = new DOMResult();
        transformer.transform(new SAXSource(parser, new InputSource(inputStream)), result);
        return result.getNode();
    } catch (Exception e) {
        throw new CamelException("Failed to convert the HTML to tidy Markup", e);
    }
}

Example 94 with XMLReader

use of org.xml.sax.XMLReader in project camel by apache.

the class StAXProcessor method process.

@Override
public void process(Exchange exchange) throws Exception {
    InputSource is = exchange.getIn().getMandatoryBody(InputSource.class);
    XMLStreamReader stream = exchange.getIn().getMandatoryBody(XMLStreamReader.class);
    XMLReader reader = new StaxStreamXMLReader(stream);
    ContentHandler handler;
    if (contentHandlerClass != null) {
        handler = contentHandlerClass.newInstance();
    } else {
        handler = contentHandler;
    }
    reader.setContentHandler(handler);
    reader.parse(is);
    if (ExchangeHelper.isOutCapable(exchange)) {
        // preserve headers
        exchange.getOut().setHeaders(exchange.getIn().getHeaders());
        exchange.getOut().setBody(handler);
    } else {
        exchange.getIn().setBody(handler);
    }
}

Example 95 with XMLReader

use of org.xml.sax.XMLReader in project camel by apache.

the class XmlRpcDataFormat method unmarshalRequest.

protected Object unmarshalRequest(Exchange exchange, InputStream stream) throws Exception {
    InputSource isource = new InputSource(stream);
    XMLReader xr = newXMLReader();
    XmlRpcRequestParser xp;
    try {
        xp = new XmlRpcRequestParser(xmlRpcStreamRequestConfig, typeFactory);
        xr.setContentHandler(xp);
        xr.parse(isource);
    } catch (SAXException e) {
        throw new XmlRpcClientException("Failed to parse server's response: " + e.getMessage(), e);
    } catch (IOException e) {
        throw new XmlRpcClientException("Failed to read server's response: " + e.getMessage(), e);
    }
    return new XmlRpcRequestImpl(xp.getMethodName(), xp.getParams());
}