org.wso2.balana.finder.ResourceFinder Java Examples

/**
 * Returns a new PDP instance with new XACML policies
 *
 * @return a  PDP instance
 */
private static PDP getPDPNewInstance(){

    PDPConfig pdpConfig = balana.getPdpConfig();

    // registering new attribute finder. so default PDPConfig is needed to change
    AttributeFinder attributeFinder = pdpConfig.getAttributeFinder();
    List<AttributeFinderModule> finderModules = attributeFinder.getModules();
    finderModules.add(new SampleAttributeFinderModule());
    attributeFinder.setModules(finderModules);

    // registering new resource finder. so default PDPConfig is needed to change
    ResourceFinder resourceFinder = pdpConfig.getResourceFinder();
    List<ResourceFinderModule> resourceModules = resourceFinder.getModules();
    resourceModules.add(new HierarchicalResourceFinder());
    resourceFinder.setModules(resourceModules);


    return new PDP(new PDPConfig(attributeFinder, pdpConfig.getPolicyFinder(), resourceFinder, true));
}
 

/**
 * Constructor that creates a <code>PDPConfig</code> from components.
 * 
 * @param attributeFinder the <code>AttributeFinder</code> that the PDP should use, or null if
 *            it shouldn't use any
 * @param policyFinder the <code>PolicyFinder</code> that the PDP should use, or null if it
 *            shouldn't use any
 * @param resourceFinder the <code>ResourceFinder</code> that the PDP should use, or null if it
 *            shouldn't use any
 * @param multipleRequestHandle whether PDP capable of handling multiple requests or not
 */
public PDPConfig(AttributeFinder attributeFinder, PolicyFinder policyFinder,
        ResourceFinder resourceFinder, boolean multipleRequestHandle) {
    if (attributeFinder != null)
        this.attributeFinder = attributeFinder;
    else
        this.attributeFinder = new AttributeFinder();

    if (policyFinder != null)
        this.policyFinder = policyFinder;
    else
        this.policyFinder = new PolicyFinder();

    if (resourceFinder != null)
        this.resourceFinder = resourceFinder;
    else
        this.resourceFinder = new ResourceFinder();

    this.multipleRequestHandle = multipleRequestHandle;
}
 

/**
 * Private helper that handles the pdp elements.
 */
private PDPConfig parsePDPConfig(Node root) throws ParsingException {
    ArrayList attrModules = new ArrayList();
    HashSet policyModules = new HashSet();
    ArrayList rsrcModules = new ArrayList();

    // go through all elements of the pdp, loading the specified modules
    NodeList children = root.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node child = children.item(i);
        String name = DOMHelper.getLocalName(child);

        if (name.equals("policyFinderModule")) {
            policyModules.add(loadClass("module", child));
        } else if (name.equals("attributeFinderModule")) {
            attrModules.add(loadClass("module", child));
        } else if (name.equals("resourceFinderModule")) {
            rsrcModules.add(loadClass("module", child));
        }
    }

    // after loading the modules, use the collections to setup a
    // PDPConfig based on this pdp element

    AttributeFinder attrFinder = new AttributeFinder();
    attrFinder.setModules(attrModules);

    PolicyFinder policyFinder = new PolicyFinder();
    policyFinder.setModules(policyModules);

    ResourceFinder rsrcFinder = new ResourceFinder();
    rsrcFinder.setModules(rsrcModules);

    return new PDPConfig(attrFinder, policyFinder, rsrcFinder);
}
 

/**
 * Constructor that creates a <code>PDPConfig</code> from components.
 *
 * @param attributeFinder the <code>AttributeFinder</code> that the PDP should use, or null if
 *            it shouldn't use any
 * @param policyFinder the <code>PolicyFinder</code> that the PDP should use, or null if it
 *            shouldn't use any
 * @param resourceFinder the <code>ResourceFinder</code> that the PDP should use, or null if it
 *            shouldn't use any
 */
public PDPConfig(AttributeFinder attributeFinder, PolicyFinder policyFinder,
        ResourceFinder resourceFinder) {
    this(attributeFinder, policyFinder, resourceFinder, true);
}
 

/**
 * Returns the <code>ResourceFinder</code> that was configured, or null if none was configured
 * 
 * @return the <code>ResourceFinder</code> or null
 */
public ResourceFinder getResourceFinder() {
    return resourceFinder;
}