Examples with StAXSource javax.xml.transform.stax.StAXSource used on opensource projects

Example 6 with StAXSource

use of javax.xml.transform.stax.StAXSource in project camel by apache.

the class XmlConverterTest method testToStreamSourceByStAXSource.

public void testToStreamSourceByStAXSource() throws Exception {
    XmlConverter conv = new XmlConverter();
    StAXSource source = conv.toStAXSource("<foo>bar</foo>", null);
    StreamSource out = conv.toStreamSource(source, null);
    assertNotSame(source, out);
    assertEquals("<foo>bar</foo>", conv.toString(out, null));
}

Example 7 with StAXSource

use of javax.xml.transform.stax.StAXSource in project camel by apache.

the class XmlConverterTest method testToStAXSourceByInputStream.

public void testToStAXSourceByInputStream() throws Exception {
    XmlConverter conv = new XmlConverter();
    InputStream is = context.getTypeConverter().convertTo(InputStream.class, "<foo>bar</foo>");
    StAXSource out = conv.toStAXSource(is, null);
    assertNotNull(out);
    assertEquals("<foo>bar</foo>", conv.toString(out, null));
}

Example 8 with StAXSource

use of javax.xml.transform.stax.StAXSource in project camel by apache.

the class CxfPayloadConverter method convertTo.

@SuppressWarnings("unchecked")
@FallbackConverter
public static <T> T convertTo(Class<T> type, Exchange exchange, Object value, TypeConverterRegistry registry) {
    // CxfPayloads from other types
    if (type.isAssignableFrom(CxfPayload.class)) {
        try {
            if (!value.getClass().isArray()) {
                Source src = null;
                // directly
                if (value instanceof InputStream) {
                    src = new StreamSource((InputStream) value);
                } else if (value instanceof Reader) {
                    src = new StreamSource((Reader) value);
                } else if (value instanceof String) {
                    src = new StreamSource(new StringReader((String) value));
                } else if (value instanceof Node) {
                    src = new DOMSource((Node) value);
                } else if (value instanceof Source) {
                    src = (Source) value;
                }
                if (src == null) {
                    // assuming staxsource is preferred, otherwise use the
                    // one preferred
                    TypeConverter tc = registry.lookup(javax.xml.transform.stax.StAXSource.class, value.getClass());
                    if (tc == null) {
                        tc = registry.lookup(Source.class, value.getClass());
                    }
                    if (tc != null) {
                        src = tc.convertTo(Source.class, exchange, value);
                    }
                }
                if (src != null) {
                    return (T) sourceToCxfPayload(src, exchange);
                }
            }
            TypeConverter tc = registry.lookup(NodeList.class, value.getClass());
            if (tc != null) {
                NodeList nodeList = tc.convertTo(NodeList.class, exchange, value);
                return (T) nodeListToCxfPayload(nodeList, exchange);
            }
            tc = registry.lookup(Document.class, value.getClass());
            if (tc != null) {
                Document document = tc.convertTo(Document.class, exchange, value);
                return (T) documentToCxfPayload(document, exchange);
            }
            // maybe we can convert via an InputStream
            CxfPayload<?> p;
            p = convertVia(InputStream.class, exchange, value, registry);
            if (p != null) {
                return (T) p;
            }
            // String is the converter of last resort
            p = convertVia(String.class, exchange, value, registry);
            if (p != null) {
                return (T) p;
            }
        } catch (RuntimeCamelException e) {
        // the internal conversion to XML can throw an exception if the content is not XML
        // ignore this and return Void.TYPE to indicate that we cannot convert this
        }
        // no we could not do it currently
        return (T) Void.TYPE;
    }
    // Convert a CxfPayload into something else
    if (CxfPayload.class.isAssignableFrom(value.getClass())) {
        CxfPayload<?> payload = (CxfPayload<?>) value;
        int size = payload.getBodySources().size();
        if (size == 1) {
            if (type.isAssignableFrom(Document.class)) {
                Source s = payload.getBodySources().get(0);
                Document d;
                try {
                    d = StaxUtils.read(s);
                } catch (XMLStreamException e) {
                    throw new RuntimeException(e);
                }
                return type.cast(d);
            }
            // CAMEL-8410 Just make sure we get the Source object directly from the payload body source
            Source s = payload.getBodySources().get(0);
            if (type.isInstance(s)) {
                return type.cast(s);
            }
            TypeConverter tc = registry.lookup(type, XMLStreamReader.class);
            if (tc != null && (s instanceof StaxSource || s instanceof StAXSource)) {
                XMLStreamReader r = (s instanceof StAXSource) ? ((StAXSource) s).getXMLStreamReader() : ((StaxSource) s).getXMLStreamReader();
                if (payload.getNsMap() != null) {
                    r = new DelegatingXMLStreamReader(r, payload.getNsMap());
                }
                return tc.convertTo(type, exchange, r);
            }
            tc = registry.lookup(type, Source.class);
            if (tc != null) {
                XMLStreamReader r = null;
                if (payload.getNsMap() != null) {
                    if (s instanceof StaxSource) {
                        r = ((StaxSource) s).getXMLStreamReader();
                    } else if (s instanceof StAXSource) {
                        r = ((StAXSource) s).getXMLStreamReader();
                    }
                    if (r != null) {
                        s = new StAXSource(new DelegatingXMLStreamReader(r, payload.getNsMap()));
                    }
                }
                return tc.convertTo(type, exchange, s);
            }
        }
        TypeConverter tc = registry.lookup(type, NodeList.class);
        if (tc != null) {
            Object result = tc.convertTo(type, exchange, cxfPayloadToNodeList((CxfPayload<?>) value, exchange));
            if (result == null) {
                // no we could not do it currently, and we just abort the convert here
                return (T) Void.TYPE;
            } else {
                return (T) result;
            }
        }
        // we cannot convert a node list, so we try the first item from the
        // node list
        tc = registry.lookup(type, Node.class);
        if (tc != null) {
            NodeList nodeList = cxfPayloadToNodeList((CxfPayload<?>) value, exchange);
            if (nodeList.getLength() > 0) {
                return tc.convertTo(type, exchange, nodeList.item(0));
            } else {
                // no we could not do it currently
                return (T) Void.TYPE;
            }
        } else {
            if (size == 0) {
                // empty size so we cannot convert
                return (T) Void.TYPE;
            }
        }
    }
    return null;
}

Example 9 with StAXSource

use of javax.xml.transform.stax.StAXSource in project camel by apache.

the class CxfPayloadConverterTest method setUp.

@Override
@Before
public void setUp() throws Exception {
    super.setUp();
    File file = new File("src/test/resources/org/apache/camel/component/cxf/converter/test.xml");
    DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
    documentBuilderFactory.setNamespaceAware(true);
    DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();
    document = documentBuilder.parse(file);
    document.getDocumentElement().normalize();
    List<Source> body = new ArrayList<Source>();
    body.add(new DOMSource(document.getDocumentElement()));
    List<Source> staxbody = new ArrayList<Source>();
    staxbody.add(new StAXSource(StaxUtils.createXMLStreamReader(new FileInputStream(file), "utf-8")));
    payload = new CxfPayload<String[]>(new ArrayList<String[]>(), body, null);
    emptyPayload = new CxfPayload<String[]>(new ArrayList<String[]>(), new ArrayList<Source>(), null);
    staxpayload = new CxfPayload<String[]>(new ArrayList<String[]>(), staxbody, null);
    inputStream = new FileInputStream(file);
}

Example 10 with StAXSource

use of javax.xml.transform.stax.StAXSource in project hale by halestudio.

the class JsonXML method toJson.

public static void toJson(Reader xmlReader, Writer jsonWriter) throws XMLStreamException, FactoryConfigurationError, TransformerConfigurationException, TransformerException, TransformerFactoryConfigurationError {
    /*
		 * If we want to insert JSON array boundaries for multiple elements, we
		 * need to set the <code>autoArray</code> property. If our XML source
		 * was decorated with <code>&lt;?xml-multiple?&gt;</code> processing
		 * instructions, we'd set the <code>multiplePI</code> property instead.
		 * With the <code>autoPrimitive</code> property set, element text gets
		 * automatically converted to JSON primitives (number, boolean, null).
		 */
    JsonXMLConfig config = new JsonXMLConfigBuilder().namespaceDeclarations(true).autoArray(true).autoPrimitive(true).prettyPrint(false).build();
    /*
		 * Create source (XML).
		 */
    XMLStreamReader reader = XMLInputFactory.newInstance().createXMLStreamReader(xmlReader);
    Source source = new StAXSource(reader);
    /*
		 * Create result (JSON).
		 */
    // create stream factory manually due to class loading issues
    XMLStreamWriter writer = new JsonXMLOutputFactory(config, new JsonStreamFactoryImpl()).createXMLStreamWriter(jsonWriter);
    Result result = new StAXResult(writer);
    /*
		 * Copy source to result via "identity transform".
		 */
    TransformerFactory.newInstance().newTransformer().transform(source, result);
}