protected String generateName()

in src/main/java/org/apache/sling/servlets/post/impl/operations/AbstractCreateOperation.java [649:697]
31 lines of code
9 McCabe index (conditional complexity)

    protected String generateName(SlingHttpServletRequest request, String basePath)
    	throws PersistenceException {

		// SLING-1091: If a :name parameter is supplied, the (first) value of this parameter is used unmodified as the name
		//    for the new node. If the name is illegally formed with respect to JCR name requirements, an exception will be
		//    thrown when trying to create the node. The assumption with the :name parameter is, that the caller knows what
		//    he (or she) is supplying and should get the exact result if possible.
		RequestParameterMap parameters = request.getRequestParameterMap();
		RequestParameter specialParam = parameters.getValue(SlingPostConstants.RP_NODE_NAME);
		if ( specialParam != null ) {
		    if ( specialParam.getString() != null && specialParam.getString().length() > 0 ) {
		        // If the path ends with a *, create a node under its parent, with
		        // a generated node name
		        basePath = basePath += "/" + specialParam.getString();

		        // if the resulting path already exists then report an error
	            if (request.getResourceResolver().getResource(basePath) != null) {
	    		    throw new PersistenceException(
	    			        "Collision in node names for path=" + basePath);
	            }

		        return basePath;
		    }
		}

		// no :name value was supplied, so generate a name
		boolean requirePrefix = requireItemPathPrefix(request);

		String generatedName = null;
		if (extraNodeNameGenerators != null) {
		    for (NodeNameGenerator generator : extraNodeNameGenerators) {
		        generatedName = generator.getNodeName(request, basePath, requirePrefix, defaultNodeNameGenerator);
		        if (generatedName != null) {
		            break;
		        }
		    }
		}
		if (generatedName == null) {
		    generatedName = defaultNodeNameGenerator.getNodeName(request, basePath, requirePrefix, defaultNodeNameGenerator);
		}

		// If the path ends with a *, create a node under its parent, with
		// a generated node name
		basePath += "/" + generatedName;

		basePath = ensureUniquePath(request, basePath);

		return basePath;
    }