Example usage for javax.xml.validation Validator getResourceResolver

Introduction

In this page you can find the example usage for javax.xml.validation Validator getResourceResolver.

Prototype

public abstract LSResourceResolver getResourceResolver();

Source Link

Document

Gets the current LSResourceResolver set to this Validator .

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 . jav a 2s.c  o m*/
 *          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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