Examples with DocumentInfo net.sf.saxon.om.DocumentInfo used on opensource projects

Example 1 with DocumentInfo

use of net.sf.saxon.om.DocumentInfo in project camel by apache.

the class XQueryBuilder method createDynamicContext.

/**
     * Creates a dynamic context for the given exchange
     */
protected DynamicQueryContext createDynamicContext(Exchange exchange) throws Exception {
    Configuration config = getConfiguration();
    DynamicQueryContext dynamicQueryContext = new DynamicQueryContext(config);
    Message in = exchange.getIn();
    Item item = null;
    if (ObjectHelper.isNotEmpty(getHeaderName())) {
        item = in.getHeader(getHeaderName(), Item.class);
    } else {
        item = in.getBody(Item.class);
    }
    if (item != null) {
        dynamicQueryContext.setContextItem(item);
    } else {
        Object body = null;
        if (ObjectHelper.isNotEmpty(getHeaderName())) {
            body = in.getHeader(getHeaderName());
        } else {
            body = in.getBody();
        }
        // the underlying input stream, which we need to close to avoid locking files or other resources
        InputStream is = null;
        try {
            Source source;
            // only convert to input stream if really needed
            if (isInputStreamNeeded(exchange)) {
                if (ObjectHelper.isNotEmpty(getHeaderName())) {
                    is = exchange.getIn().getHeader(getHeaderName(), InputStream.class);
                } else {
                    is = exchange.getIn().getBody(InputStream.class);
                }
                source = getSource(exchange, is);
            } else {
                source = getSource(exchange, body);
            }
            // special for bean invocation
            if (source == null) {
                if (body instanceof BeanInvocation) {
                    // if its a null bean invocation then handle that
                    BeanInvocation bi = exchange.getContext().getTypeConverter().convertTo(BeanInvocation.class, body);
                    if (bi.getArgs() != null && bi.getArgs().length == 1 && bi.getArgs()[0] == null) {
                        // its a null argument from the bean invocation so use null as answer
                        source = null;
                    }
                }
            }
            if (source == null) {
                // indicate it was not possible to convert to a Source type
                throw new NoTypeConversionAvailableException(body, Source.class);
            }
            DocumentInfo doc = config.buildDocument(source);
            dynamicQueryContext.setContextItem(doc);
        } finally {
            // can deal if is is null
            IOHelper.close(is);
        }
    }
    configureQuery(dynamicQueryContext, exchange);
    // call the reset if the in message body is StreamCache
    MessageHelper.resetStreamCache(exchange.getIn());
    return dynamicQueryContext;
}

Example 2 with DocumentInfo

use of net.sf.saxon.om.DocumentInfo in project camel by apache.

the class SaxonConverter method toDOMDocument.

@Converter
public static Document toDOMDocument(NodeInfo node) throws XPathException {
    switch(node.getNodeKind()) {
        case Type.DOCUMENT:
            // DOCUMENT type nodes can be wrapped directly
            return (Document) NodeOverNodeInfo.wrap(node);
        case Type.ELEMENT:
            // ELEMENT nodes need to build a new DocumentInfo before wrapping
            Configuration config = node.getConfiguration();
            DocumentInfo documentInfo = config.buildDocument(node);
            return (Document) NodeOverNodeInfo.wrap(documentInfo);
        default:
            return null;
    }
}