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 $

     *
     * @return     the ViolatedPrecondition (if any).
     */
    protected ViolatedPrecondition getCheckinPreconditionViolation(NodeProperty predSetProp, NodeRevisionDescriptors vhrNrds, boolean isForkOk, NodeRevisionDescriptor autoUpdNrd ) throws LinkedObjectNotFoundException, ServiceAccessException, ObjectLockedException, RevisionDescriptorNotFoundException, JDOMException, IllegalArgumentException, ObjectNotFoundException, AccessDeniedException, IOException {
        // use a non-blocking slide token.
        SlideToken stok = readonlySlideToken();
        
        ViolatedPrecondition violatedPrecondition = null;
        
        if ( (predSetProp != null) && (predSetProp.getValue() != null) ) {
            XMLValue predecessors = new XMLValue( (String)predSetProp.getValue() );

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            credentials = new CredentialsToken("");
        } else {
            credentials = new CredentialsToken(principal);
        }
        
        SlideToken token = new SlideTokenImpl(credentials);
        token.setEnforceLockTokens(true);
        
        return token;
    }

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     */
    private void checkPreconditions() throws PreconditionViolationException, ServiceAccessException {
        resp.setStatus( WebdavStatus.SC_OK );
        
        // use a non-blocking slide token.
        SlideToken stoken = readonlySlideToken();
    }

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     */
    private ViolatedPrecondition getPreconditionViolation(NodeRevisionDescriptors revisionDescriptors, NodeRevisionDescriptor revisionDescriptor, ResourceKind resourceKind)
        throws ServiceAccessException {
        
        // use a non-blocking slide token.
        SlideToken stoken = readonlySlideToken();
        
        if( Configuration.useVersionControl() ) {
            
            if (resourceKind instanceof CheckedInVersionControlled) {

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     *
     * @throws     SlideException
     */
    protected ViolatedPrecondition getPreconditionViolation(String updateSourcePath, String updateSourceLabel, String resourcePath) throws SlideException {
        // use a non-blocking slide token.
        SlideToken stoken = readonlySlideToken();


        ViolatedPrecondition violatedPrecondition = null;


        NodeRevisionDescriptors revisionDescriptors =
            content.retrieve(stoken, resourcePath);

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    /**
     * Return true if the store should also be enlisted for a read operation.
     */
    protected boolean isForceStoreEnlistment(Uri uri) {
        
        SlideToken token = uri.getToken();
        
        if (token == null)
            return false;
        
        return token.isForceStoreEnlistment();
        
    }

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     * @exception WebdavException
     */
    protected Element getPropertiesOfObject(String resourceUri)
        throws WebdavException {
        
        SlideToken lightSToken = new SlideTokenWrapper(slideToken, false);
        lightSToken.setForceLock(false);
        
        // evaluate "Label" header
        if (Configuration.useVersionControl()) {
            try {
                resourceUri = versioningHelper.getLabeledResourceUri(resourceUri, labelHeader);

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        overwrite = requestHeaders.getOverwrite(true);
    }


    private void checkPreconditions() throws PreconditionViolationException, ServiceAccessException {
        // use a non-blocking slide token.
        SlideToken stoken = readonlySlideToken();
        
        resp.setStatus( WebdavStatus.SC_CREATED );
        UriHandler sourceUh = UriHandler.getUriHandler(sourceUri);
        UriHandler sourceParentUh = sourceUh.getParentUriHandler();
        sourceSegment = sourceUh.getName();

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                               String password) throws Exception {
        
        String usersPath = nat.getNamespaceConfig().getUsersPath();
        String userUri = usersPath + "/" + username;
        
        SlideToken slideToken = new SlideTokenImpl(new CredentialsToken(caller));
        Structure structure = nat.getStructureHelper();
        Content content = nat.getContentHelper();
        
        try {

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                                String groupname) throws Exception {
        
        String groupsPath = nat.getNamespaceConfig().getGroupsPath();
        String groupUri = groupsPath + "/" + groupname;
        
        SlideToken slideToken = new SlideTokenImpl(new CredentialsToken(caller));
        Structure structure = nat.getStructureHelper();
        Content content = nat.getContentHelper();
        
        try {
            nat.begin();

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