Examples with Location javax.xml.stream.Location used on opensource projects

Example 16 with Location

use of javax.xml.stream.Location in project karaf by apache.

the class StaxParser method parseResource.

private static ResourceImpl parseResource(URI repositoryUrl, XMLStreamReader reader) {
    try {
        if (reader.getAttributeCount() > 0) {
            throw new IllegalStateException("Unexpected attribute '" + reader.getAttributeLocalName(0) + "'");
        }
        ResourceImpl resource = new ResourceImpl();
        int event;
        while ((event = reader.nextTag()) == START_ELEMENT) {
            String element = reader.getLocalName();
            switch(element) {
                case CAPABILITY:
                    CapabilityImpl cap = parseCapability(reader, resource);
                    // Resolve relative resource urls now
                    if (repositoryUrl != null && ContentNamespace.CONTENT_NAMESPACE.equals(cap.getNamespace())) {
                        Object url = cap.getAttributes().get(ContentNamespace.CAPABILITY_URL_ATTRIBUTE);
                        if (url instanceof String) {
                            url = repositoryUrl.resolve(url.toString()).toString();
                            cap.getAttributes().put(ContentNamespace.CAPABILITY_URL_ATTRIBUTE, url);
                        }
                    }
                    resource.addCapability(cap);
                    break;
                case REQUIREMENT:
                    resource.addRequirement(parseRequirement(reader, resource));
                    break;
                default:
                    while ((event = reader.next()) != END_ELEMENT) {
                        switch(event) {
                            case START_ELEMENT:
                                throw new IllegalStateException("Unexpected element '" + reader.getLocalName() + "' inside 'resource' element");
                            case CHARACTERS:
                                throw new IllegalStateException("Unexpected text inside 'resource' element");
                            default:
                                break;
                        }
                    }
                    break;
            }
        }
        // Sanity check
        sanityCheckEndElement(reader, event, RESOURCE);
        return resource;
    } catch (Exception e) {
        Location loc = reader.getLocation();
        if (loc != null) {
            throw new IllegalStateException("Error while parsing resource at line " + loc.getLineNumber() + " and column " + loc.getColumnNumber(), e);
        } else {
            throw new IllegalStateException("Error while parsing resource", e);
        }
    }
}