globuswsdddialogstate.java

一个完整的XACML工程,学习XACML技术的好例子!

    
    public void addActions(int i, String target) {
        Element ActionPolicy = (Element)this.xmlED.DOM.getElementsByTagName("ActionPolicy").item(0);
        String str = (String)wsdd.getWSDLFiles().get(i);
        String wsdlFilePath = this.globusFilePath+"\\"+str.replace('/', '\\');
        
        Document dom = loadDocument(wsdlFilePath);
        
        NodeList operation = dom.getElementsByTagNameNS(WSDL_NS, "operation");
        Node portType = dom.getElementsByTagNameNS(WSDL_NS, "portType").item(0);
        
        for (int j=0; j<operation.getLength(); j++) {
            Element e = (Element)operation.item(j);
            if (e.getParentNode() == portType) {
                Element child = this.xmlED.DOM.createElement("Action");
                
                child.setAttribute("Name", e.getAttribute("name"));
                child.setAttribute("Target", target);
                
                child = addParameters(dom, child, (Element)e.getElementsByTagNameNS(WSDL_NS, "input").item(0));
                
                this.xmlED.addItem(child, ActionPolicy);
            }
        }
    }
    
    /**
     * Retrieves the parameters that are either stored directly in message nodes, 
     * or defined elsewhere in the WSDL, but pointed from message nodes.
     * 
     * @param dom     The WSDL containing the Actions & Paramaters.
     * @param child   The Action Element already with Name and Target Attribute.
     * @param input   The Input Tag, being a child of the Port Type.
     *
     * @return      An Element containing the full Action Element. Containing the:
     *              Name, Types, Arguments, Target.
     */
    public Element addParameters(Document dom, Element child, Element input) {
        String types = "";
        String names = "";
        NodeList messages = dom.getElementsByTagNameNS(WSDL_NS, "message");
        for (int i=0; i<messages.getLength(); i++) {
            Element e = (Element)messages.item(i);
            if (input.getAttribute("name") == null || input.getAttribute("name").equals("")) {
                String inputMessage = removeColon(input.getAttribute("message"));
                if (e.getAttribute("name").intern().equals(inputMessage)) {
                    NodeList parts = e.getElementsByTagNameNS(WSDL_NS, "part");
                    for (int j=0; j<parts.getLength(); j++) {
                        Element el = (Element)parts.item(j);
                        if (el.getAttribute("element") != null || !el.getAttribute("element").equals("")) {
                            NodeList elements = dom.getElementsByTagNameNS(XMLSCHEMA_NS, "element");
                            for (int k=0; k<elements.getLength(); k++) {
                                Element elem = (Element)elements.item(k);
                                String elemName = removeColon(el.getAttribute("element"));
                                if (elem.getAttribute("name").intern().equals(elemName)) {
//                                    if (elem.getElementsByTagNameNS(XMLSCHEMA_NS, "element").getLength() > 0) {
//                                        NodeList sequence = elem.getElementsByTagNameNS(XMLSCHEMA_NS, "element");
//                                        for (int z=0;z<sequence.getLength(); z++) {
//                                            names += ((Element)sequence.item(z)).getAttribute("name") + ", ";
//                                            String type = removeColon(((Element)sequence.item(z)).getAttribute("type"));
//                                            types += type + ", ";    
//                                        }
//                                        child.setAttribute("Args", names.substring(0, names.lastIndexOf(", ")));
//                                        child.setAttribute("Type", types.substring(0, types.lastIndexOf(", ")));
//                                    } else 
                                    if (elem.getAttribute("type").equals("")) {
                                        if (elem.getElementsByTagNameNS(XMLSCHEMA_NS, "complexType").getLength() == 1) {
                                            child.setAttribute("Args", "1");
                                            child.setAttribute("Type", "complexType");
                                        }
                                    } else { // else if (elem.getAttribute("type") != null || !elem.getAttribute("type").equals("")) {
                                        child.setAttribute("Args", "1");
                                        child.setAttribute("Type", removeColon(elem.getAttribute("type")));
                                    }
                                }
                            }
                        }
                    }
                }
            } else {
                if (e.getAttribute("name").intern().equals(input.getAttribute("name"))) {
                    NodeList parts = e.getElementsByTagNameNS(WSDL_NS, "part");
                    for (int j=0; j<parts.getLength(); j++) {
                        Element el = (Element)parts.item(j);
                        if (el.getAttribute("element") == null ||
                            el.getAttribute("element").equals("")) {
                            names += el.getAttribute("name") + ", ";
                            String type = el.getAttribute("type");
                            int indexColon = type.indexOf(":");
                            if (indexColon > -1) type = type.substring(indexColon+1);
                            types += type + ", ";
                        } 
                    }
                    child.setAttribute("Args", names.substring(0, names.lastIndexOf(", ")));
                    child.setAttribute("Type", types.substring(0, types.lastIndexOf(", ")));
                }
            }
        }
        return child;
    }
    
    /**
     * Removes the colon from the string, by returning a string with the stuff 
     * present after the colon.
     *
     * @param str  A string that needs to be trimmed.
     * @return     the String Value after the first appearance of ":"
     */
    public String removeColon(String str) {
        int index = str.indexOf(":");
        if (index > -1) str = str.substring(index+1);
        return str;
    }
    
    /**
     * Loads the WSDD file in a Document variable.
     * <p>
     * IMPORTANT NOTE: the DocumentBuilderFactory must be set NameSpaceAware 
     *                 to obtain data well from the WSDD, since WSDD uses alot  
     *                 of NameSpaces & prefixes...
     * 
     * @param pathName    The path of the WSDD File to load.
     * @return            A org.w3c.dom.document containing the loaded WSDD.
     */
    public Document loadDocument(String pathName) {
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        factory.setNamespaceAware(true);
        Document document = null;
        try {
            FileInputStream pathStream = new FileInputStream(pathName);
            DocumentBuilder builder = factory.newDocumentBuilder();
            document = builder.parse(pathStream);
        } catch (FileNotFoundException fnfe) { } catch (SAXException sxe) { } catch (ParserConfigurationException pce) { } catch (IOException ioe) { } catch (SecurityException se) { }
        
        return document;
    }

    /**
     * Centers the dialog position on the screen.
     */
    protected void centerDialog() {
        Dimension screenSize = this.getToolkit().getScreenSize();
        Dimension size = this.getSize();
        screenSize.height = screenSize.height / 2;
        screenSize.width = screenSize.width / 2;
        size.height = size.height / 2;
        size.width = size.width / 2;
        int y = screenSize.height - size.height;
        int x = screenSize.width - size.width;
        this.setLocation(x, y);
    }
    
    /**
     * Checks if the globus file selected is a valid folder.
     *
     * @return    true if the globusFilePath is a valid globus directory.
     */
    public boolean isGlobusDirectory() {
        File share = new File(globusFilePath+"\\share");
        File etc = new File(globusFilePath+"\\etc\\globus_wsrf_core");
        if (share.isDirectory() && etc.isDirectory()) return true;
        else return false;
    }
    
    /**
     * Specifies the functionality of this component.
     * <p> 
     * Cursor is set to notify users that something is happening.
     * The progress bar is set to the maximum number it can be.
     * Adds the targets.
     * Cursor is set to default.
     */
    public void dialogFunction() {
        this.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
        setProgressBarMaximum();
        addTargets();
        this.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
    }
    
    /**
     * Sets the component to be enabled or not. Will Grey all the components 
     * that make it up when disabed.
     *
     * @param enabled  boolean value to set.
     */    
    public void setEnabled(boolean enabled) {
        super.setEnabled(enabled);
        progressBar.setEnabled(enabled);
        bottomLabel.setEnabled(enabled);
    }
}