Example usage for org.w3c.dom.ls LSResourceResolver resolveResource

Introduction

In this page you can find the example usage for org.w3c.dom.ls LSResourceResolver resolveResource.

Prototype

public LSInput resolveResource(String type, String namespaceURI, String publicId, String systemId,
        String baseURI);

Source Link

Document

Allow the application to resolve external resources.

Usage

From source file:org.apache.shindig.social.opensocial.util.XSDValidator.java

/**
 * Validate a xml input stream against a supplied schema.
 *
 * @param xml/*from   ww w  . ja  v  a2 s .  c  om*/
 *          a stream containing the xml
 * @param schema
 *          a stream containing the schema
 * @return a list of errors or warnings, a 0 lenght string if none.
 */
public static String validate(InputStream xml, InputStream schema) {

    SAXParserFactory factory = SAXParserFactory.newInstance();
    factory.setNamespaceAware(true);
    factory.setValidating(true);
    final StringBuilder errors = new StringBuilder();
    try {
        SchemaFactory schemaFactory = SchemaFactory.newInstance(W3C_XML_SCHEMA);
        Schema s = schemaFactory.newSchema(new StreamSource(schema));

        Validator validator = s.newValidator();
        final LSResourceResolver lsr = validator.getResourceResolver();
        validator.setResourceResolver(new LSResourceResolver() {

            public LSInput resolveResource(String arg0, String arg1, String arg2, String arg3, String arg4) {
                log.info("resolveResource(" + arg0 + ',' + arg1 + ',' + arg2 + ',' + arg3 + ',' + arg4 + ')');
                return lsr.resolveResource(arg0, arg1, arg2, arg3, arg4);
            }

        });

        validator.validate(new StreamSource(xml));
    } catch (IOException e) {
    } catch (SAXException e) {
        errors.append(e.getMessage()).append('\n');
    }

    return errors.toString();
}

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