Task #3546 - Complete CreateNode endpoint implementation. Added tests:

package it.inaf.oats.vospace.exception;

import org.springframework.http.HttpStatus;

import org.springframework.web.bind.annotation.ResponseStatus;

@ResponseStatus(value = HttpStatus.NOT_FOUND)

public class ContainerNotFoundException extends VoSpaceException {

    public ContainerNotFoundException(String path) {

        super("Container Not Found at path: " + path);

    }

}

package it.inaf.oats.vospace.exception;

import org.springframework.http.HttpStatus;

import org.springframework.web.bind.annotation.ResponseStatus;

@ResponseStatus(value = HttpStatus.CONFLICT)

public class DuplicateNodeException extends VoSpaceException {

    public DuplicateNodeException(String path) {

        super("Duplicate Node at path: " + path);

    }

}

package it.inaf.oats.vospace.exception;

import org.springframework.http.HttpStatus;

import org.springframework.web.bind.annotation.ResponseStatus;

@ResponseStatus(value = HttpStatus.BAD_REQUEST)

public class InvalidURIException extends VoSpaceException {

    public InvalidURIException(String URI, String path) {

        super("InvalidURI. Payload node URI: " + URI + 

                " is not consistent with request path: " + path);

    }

    public InvalidURIException(String URI)

    {

        super("InvalidURI. URI: "+URI+ " is not in a valid format");

    }

}

package it.inaf.oats.vospace.exception;

import org.springframework.http.HttpStatus;

import org.springframework.web.bind.annotation.ResponseStatus;

@ResponseStatus(value = HttpStatus.BAD_REQUEST)

public class LinkFoundException extends VoSpaceException {

    public LinkFoundException(String path) {

        super("Link Found at path: " + path);

    }

}

package it.inaf.oats.vospace.exception;

import org.springframework.http.HttpStatus;

import org.springframework.web.bind.annotation.ResponseStatus;

@ResponseStatus(value = HttpStatus.FORBIDDEN)

public class PermissionDeniedException extends VoSpaceException {

    public PermissionDeniedException(String path) {

        super("Permission Denied at path: " + path);

    }

}