Examples with RuntimeTransformException org.apache.camel.RuntimeTransformException used on opensource projects

Example 1 with RuntimeTransformException

use of org.apache.camel.RuntimeTransformException in project camel by apache.

the class XsltBuilder method getSource.

/**
     * Converts the inbound body to a {@link Source}, if the body is <b>not</b> already a {@link Source}.
     * <p/>
     * This implementation will prefer to source in the following order:
     * <ul>
     *   <li>StAX - If StAX is allowed</li>
     *   <li>SAX - SAX as 2nd choice</li>
     *   <li>Stream - Stream as 3rd choice</li>
     *   <li>DOM - DOM as 4th choice</li>
     * </ul>
     */
protected Source getSource(Exchange exchange, Object body) {
    // body may already be a source
    if (body instanceof Source) {
        return (Source) body;
    }
    Source source = null;
    if (body != null) {
        if (isAllowStAX()) {
            // try StAX if enabled
            source = exchange.getContext().getTypeConverter().tryConvertTo(StAXSource.class, exchange, body);
        }
        if (source == null) {
            // then try SAX
            source = exchange.getContext().getTypeConverter().tryConvertTo(SAXSource.class, exchange, body);
            tryAddEntityResolver((SAXSource) source);
        }
        if (source == null) {
            // then try stream
            source = exchange.getContext().getTypeConverter().tryConvertTo(StreamSource.class, exchange, body);
        }
        if (source == null) {
            // and fallback to DOM
            source = exchange.getContext().getTypeConverter().tryConvertTo(DOMSource.class, exchange, body);
        }
        // now we just put the call of source converter at last
        if (source == null) {
            TypeConverter tc = exchange.getContext().getTypeConverterRegistry().lookup(Source.class, body.getClass());
            if (tc != null) {
                source = tc.convertTo(Source.class, exchange, body);
            }
        }
    }
    if (source == null) {
        if (isFailOnNullBody()) {
            throw new ExpectedBodyTypeException(exchange, Source.class);
        } else {
            try {
                source = converter.toDOMSource(converter.createDocument());
            } catch (ParserConfigurationException e) {
                throw new RuntimeTransformException(e);
            }
        }
    }
    return source;
}