Examples of org.apache.slide.common.SlideToken

org.apache.slide.common.SlideToken
The SlideToken interface identifies the current acting principal and its credentials, and maintains information about the state of the user transaction.
An object implementing this interface is required to use any of the methods provided by the helpers API. The default implementation of this interface is {@link SlideTokenImpl SlideTokenImpl}. In the context of a Java servlet, such an object should be instantiated like this:
```
 Principal principal = request.getUserPrincipal(); CredentialsToken credentials; if (principal == null) { credentials = new CredentialsToken(""); } else { credentials = new CredentialsToken(principal); } SlideToken token = new SlideTokenImpl(credentials); 
```
@author Remy Maucherat @version $Revision: 1.15.2.2 $

        if (upperNode.hasBinding(lowerNode)) {
            return true;
        }


        // use a non-blocking slide token.
        SlideToken stoken = readonlySlideToken();
        
        NodeRevisionDescriptors lowerNrds = null;
        NodeRevisionDescriptor lowerNrd = null;
        try {
            lowerNrds = content.retrieve(stoken, lowerNode.getUri());

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    }


    protected boolean exists( String uriStr ) throws SlideException {
        // use a non-blocking slide token.
        SlideToken stoken = readonlySlideToken();


        boolean destinationExists = true;
        
        try {
            content.retrieve(stoken, uriStr);

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        return destinationExists;
    }


    protected boolean isLocked( String uriStr ) throws ServiceAccessException {
        // use a non-blocking slide token.
        SlideToken stoken = readonlySlideToken();


        boolean isLocked = false;
        try {
            Enumeration locks = lock.enumerateLocks (stoken, uriStr, false);
            while (locks.hasMoreElements()) {

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        return isLocked;
    }


    protected boolean isLockNull( String uriStr ) throws ServiceAccessException {
        // use a non-blocking slide token.
        SlideToken stoken = readonlySlideToken();


        boolean isLockNull = false;
        try {
            NodeRevisionDescriptor nrd =
                content.retrieve(stoken, content.retrieve(stoken, uriStr));

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    protected boolean isLockNull( NodeRevisionDescriptor nrd ) {
        return nrd.propertyValueContains(P_RESOURCETYPE, E_LOCKNULL);
    }


    protected SlideToken readonlySlideToken() {
        SlideToken stoken = slideToken;
        if (stoken.isForceStoreEnlistment()) {
            stoken = new SlideTokenWrapper(slideToken, false);
        }
        return stoken;
    }

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     */
    private void checkPreconditions() throws PreconditionViolationException, ServiceAccessException {
        resp.setStatus( WebdavStatus.SC_CREATED );


        // use a non-blocking slide token.
        SlideToken stoken = readonlySlideToken();


        try {
            collectionNode = structure.retrieve( stoken, collectionUri );
        }
        catch( ServiceAccessException e ) {

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        XMLValue xmlValue = new XMLValue();
        
        ResourceKind resourceKind = AbstractResourceKind.determineResourceKind(nsaToken, revisionDescriptors, revisionDescriptor);
        if (resourceKind instanceof Version) {
            SlideToken sTokenNoEnlist = sToken;
            if (sToken.isForceStoreEnlistment()) {
                sTokenNoEnlist = new SlideTokenWrapper(sToken, false);
            }
            
            String resourcePath = VersioningHelper.getUri(nsaToken,

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        XMLValue xmlValue = new XMLValue();
        
        ResourceKind resourceKind = AbstractResourceKind.determineResourceKind(nsaToken, revisionDescriptors, revisionDescriptor);
        if (resourceKind instanceof Workspace) {
            SlideToken sTokenNoEnlist = sToken;
            if (sToken.isForceStoreEnlistment()) {
                sTokenNoEnlist = new SlideTokenWrapper(sToken, false);
            }
            
            Element basicSearch = getWorkspaceCheckoutSetQueryElement(revisionDescriptors.getUri());

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     * @param role Security role to be checked
     */
    public boolean hasRole(Principal principal, String role) {


        CredentialsToken credToken = new CredentialsToken(principal);
        SlideToken slideToken = new SlideTokenImpl(credToken);
        try {
            return securityHelper.hasRole(slideToken, role);
        } catch (SlideException e) {
            return (false);
        }

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     */
    protected String getPassword(String username) {
        
        Principal userPrincipal = getPrincipal(username);
        CredentialsToken credToken = new CredentialsToken(userPrincipal);
        SlideToken slideToken = new SlideTokenImpl(credToken);
        
        // Fetch the Slide object representing the user.
        try {
            
            ObjectNode user = securityHelper.getPrincipal(slideToken);

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