writetopolicy.java

一个完整的XACML工程,学习XACML技术的好例子!

        //NodeList targetDomSpecs = e.getElementsByTagName("TargetDomainSpec");
        
        Element child = this.policyDocument.DOM.createElement("TargetDomainSpec");
        child.setAttribute("ID", "WebResources");
        
        for (int i=0; i<this.pwiz.pwslide7b.urlItemList.getListData().length; i++) {
            
            String loc = (String)this.pwiz.pwslide7b.urlItemList.getListData()[i];
            Element include = this.policyDocument.DOM.createElement("Include");
            include.setAttribute("URL", loc);
            
            child.appendChild(include);
        }
        this.policyDocument.addItem(child, e);
    }
    
    /**
     * Writes the SOA Policy, when the users option in the wizard is anyone. 
     * 
     * This will delete any users defined Administrators, and then create 
     * a new Element with an LDAP DN of null.
     */
    public void writeSOAPolicy() {
        //delete any SOASpecs...
        Element e = (Element)this.policyDocument.DOM.getElementsByTagName("SOAPolicy").item(0);
        NodeList soaSpecs = e.getElementsByTagName("SOASpec");
        for (int i=soaSpecs.getLength()-1; i>=0; i--) {
            this.policyDocument.deleteItem((Element)soaSpecs.item(i), e);
        }
        Element child = this.policyDocument.DOM.createElement("SOASpec");
        child.setAttribute("ID", rbl.getString("Slide4_Option_Anyone"));
        child.setAttribute("LDAPDN", "null");

        Element soaPolicy = (Element)this.policyDocument.DOM.getDocumentElement().getElementsByTagName("SOAPolicy").item(0);
        this.policyDocument.addItem(child, soaPolicy);
    }
    
    /**
     * Contains steps needed to write to the policy to the dom. 
     * Called when this component is displayed in the policy wizard.
     */
    public void writePolicy() {
        this.policyDocument.DOM.getDocumentElement().setAttribute("OID", this.pwiz.pwslide2.policyName.getText());
        
        if (this.pwiz.pwslide3.anywhereRbutton.isSelected()) {
            writeSubjectPolicy();
        }
        
        if (this.pwiz.pwslide4.anyoneRbutton.isSelected()) {
            writeSOAPolicy();
        }
        
        if (!this.pwiz.pwslide5.specificRButton.isSelected()) {
            //delete any items that may have been added specifically...
            Element e = (Element)PWizard.finishWizard.policyDocument.DOM.getElementsByTagName("RoleHierarchyPolicy").item(0);
            NodeList roleSpecs = e.getElementsByTagName("RoleSpec");
            for (int i=roleSpecs.getLength()-1; i>=0; i--) {
                Element el = (Element)roleSpecs.item(i);
                if (!el.getAttribute("Type").equals("eduPersonAffiliation") &&
                        !el.getAttribute("Type").equals("eduPersonNickname") &&
                        !el.getAttribute("Type").equals("eduPersonOrgDN") &&
                        !el.getAttribute("Type").equals("eduPersonOrgUnitDN") &&
                        !el.getAttribute("Type").equals("eduPersonPrimaryAffiliation") &&
                        !el.getAttribute("Type").equals("eduPersonPrincipalName") &&
                        !el.getAttribute("Type").equals("loa") &&
                        !el.getAttribute("Type").equals("permisRole"))
                    this.policyDocument.deleteItem(el, e);
            }
        }
        
        if (this.pwiz.pwslide6.infiniteRbutton.isSelected() || this.pwiz.pwslide6.noDelegationRbutton.isSelected()) {
            Element RoleAssignmentPolicy = (Element)this.policyDocument.DOM.getElementsByTagName("RoleAssignmentPolicy").item(0);
            
            //delete any items that may have been added specifically...
            NodeList roleSpec = RoleAssignmentPolicy.getElementsByTagName("RoleAssignment");
            for (int i=roleSpec.getLength()-1; i>=0; i--) {
                this.policyDocument.deleteItem((Element)roleSpec.item(i), RoleAssignmentPolicy);
            }
            
            Element SOAPolicy = (Element)this.policyDocument.DOM.getElementsByTagName("SOAPolicy").item(0);
            NodeList soaSpecs = SOAPolicy.getElementsByTagName("SOASpec");
            
            Element SubjectPolicy = (Element)this.policyDocument.DOM.getElementsByTagName("SubjectPolicy").item(0);
            NodeList subjectSpecs = SubjectPolicy.getElementsByTagName("SubjectDomainSpec");
            
            Element RoleHierarchyPolicy = (Element)PWizard.finishWizard.policyDocument.DOM.getElementsByTagName("RoleHierarchyPolicy").item(0);
            NodeList roleSpecs = RoleHierarchyPolicy.getElementsByTagName("RoleSpec");            
            
            int roleAssignNum = 1;
            for (int i=0; i<soaSpecs.getLength(); i++) {                
                for (int j=0; j<subjectSpecs.getLength(); j++) {
                    Element child = this.policyDocument.DOM.createElement("RoleAssignment");
                    child.setAttribute("ID", "RoleAssignment" + roleAssignNum);
                    roleAssignNum++;
                
                    Element SubjectDomain = this.policyDocument.DOM.createElement("SubjectDomain");
                    SubjectDomain.setAttribute("ID", ((Element)subjectSpecs.item(j)).getAttribute("ID"));
                    child.appendChild((Node)SubjectDomain);
                    
                    Element RoleList = this.policyDocument.DOM.createElement("RoleList");
                    for (int h=0; h<roleSpecs.getLength(); h++) {
                        Element Role = this.policyDocument.DOM.createElement("Role");
                        Role.setAttribute("Type", ((Element)roleSpecs.item(h)).getAttribute("Type"));
                        RoleList.appendChild((Node)Role);
                    }
                    child.appendChild((Node)RoleList);
                    
                    Element Delegate = this.policyDocument.DOM.createElement("Delegate");
                    if (this.pwiz.pwslide6.noDelegationRbutton.isSelected())
                        Delegate.setAttribute("Depth", "0");
                    child.appendChild((Node)Delegate);
                    
                    Element SOA = this.policyDocument.DOM.createElement("SOA");
                    SOA.setAttribute("ID", ((Element)soaSpecs.item(i)).getAttribute("ID"));
                    child.appendChild((Node)SOA);
                    
                    Element Validity = this.policyDocument.DOM.createElement("Validity");
                    child.appendChild((Node)Validity);
                    
                    RoleAssignmentPolicy.appendChild((Node)child);
                }
                
            }
        }
        
        viewXML.setXMLEditor(this.policyDocument);
        viewXML.getXML();
    }
    
    /**
     * File Filter to return directories or files of type xml in the File 
     * chooser of the saveMethod().
     */
    public FileFilter ff = new FileFilter() {
        public boolean accept(File f) {
            return f.getName().toLowerCase().endsWith(".xml")
            || f.isDirectory();
        }
        
        public String getDescription() {
            return "PERMIS Policy (*.xml)";
        }
    };
    
    /**
     * Saves the Policy Created to disk. 
     * <p>
     * The user specifies the location where to save the policy. 
     * <p> 
     * If a policy is saved ok, the method will return true, otherwise it
     * will return false.
     * 
     * @return   a boolean value with the success of the saving method.
     */
    public boolean saveMethod() {
        JFileChooser fc = new JFileChooser();                  //filedialog
        JDialog.setDefaultLookAndFeelDecorated(true);
        fc.setFileSelectionMode(JFileChooser.FILES_ONLY);      //Able to select files only
        fc.setCurrentDirectory(new File("."));                 //Set current Directory
        fc.setFileFilter(ff);                                  //Set filter for XML files only
        int returnVal = fc.showSaveDialog(this);               //return if Ok or Cancel where pressed
        if (returnVal == JFileChooser.APPROVE_OPTION)          //if Ok was pressed
        {
            try {
                String filename = fc.getSelectedFile().getAbsolutePath();
                if (!filename.endsWith(".xml")) {
                    filename += ".xml";
                }
                FileOutputStream file = new FileOutputStream(filename);
                OutputFormat format = new OutputFormat();
                format.setLineSeparator(LineSeparator.Windows);  // "\n" wouldnt work well..
                format.setIndenting(true);
                XMLSerializer serializer = new XMLSerializer(file, format);
                serializer.serialize(this.policyDocument.DOM);
                
                file.close();
                return true;
            } catch(IOException e) {
            }
        }
        return false;
    }
    
    //what to do when the dropdown list is selected.
    public void actionPerformed(ActionEvent e) {
        JComboBox cb = ((JComboBox)e.getSource());
        //if (this.tse == null) return;
        if (cb.getSelectedItem().toString().intern().equals("XML")) {
            viewXML.that.setContentType("text/plain");
            viewXML.mimeType = "text/plain";
        } else if (cb.getSelectedItem().toString().intern().equals("Readable Policy")) {
            viewXML.that.setContentType("text/html");
            viewXML.mimeType = "text/html";
        }
        
        if (viewXML.getXMLEditor() != null)
            viewXML.getXML();
    }
}