Class JsonPointer


  • public class JsonPointer
    extends Object
    Implementation of RFC6901 Json Pointers.

    NOTE: This class has been automatically generated from the original non RX-ified interface using Vert.x codegen.

    • Constructor Detail

      • JsonPointer

        public JsonPointer​(JsonPointer delegate)
      • JsonPointer

        public JsonPointer​(Object delegate)
    • Method Detail

      • hashCode

        public int hashCode()
        Overrides:
        hashCode in class Object
      • isRootPointer

        public boolean isRootPointer()
        Return true if the pointer is a root pointer
        Returns:
      • isLocalPointer

        public boolean isLocalPointer()
        Return true if the pointer is local (URI with only fragment)
        Returns:
      • isParent

        public boolean isParent​(JsonPointer child)
        Return true if this pointer is a parent pointer of child.
        For instance "/properties" pointer is parent pointer of "/properties/parent"
        Parameters:
        child -
        Returns:
      • append

        public JsonPointer append​(String token)
        Append an unescaped token to this pointer
        Note: If you provide escaped path the behaviour is undefined
        Parameters:
        token - the unescaped reference token
        Returns:
        a reference to this, so the API can be used fluently
      • append

        public JsonPointer append​(int index)
        Append the index as reference token to JsonPointer
        Parameters:
        index -
        Returns:
        a reference to this, so the API can be used fluently
      • append

        public JsonPointer append​(List<String> tokens)
        Append an unescaped list of tokens to JsonPointer
        Note: If you provide escaped paths the behaviour is undefined
        Parameters:
        tokens - unescaped reference tokens
        Returns:
        a reference to this, so the API can be used fluently
      • append

        public JsonPointer append​(JsonPointer pointer)
        Append all tokens of pointer to this pointer
        Note: The base URI of this pointer will remain untouched
        Parameters:
        pointer - other pointer
        Returns:
        a reference to this, so the API can be used fluently
      • parent

        public JsonPointer parent()
        Remove last reference token of this pointer
        Returns:
        a reference to this, so the API can be used fluently
      • query

        public Object query​(Object objectToQuery,
                            JsonPointerIterator iterator)
        Query objectToQuery using the provided JsonPointerIterator.
        If you need to query Vert.x json data structures, use queryJson(java.lang.Object)
        Note: if this pointer is a root pointer, this function returns the provided object
        Parameters:
        objectToQuery - the object to query
        iterator - the json pointer iterator that provides the logic to access to the objectToQuery
        Returns:
        null if pointer points to not existing value, otherwise the requested value
      • queryOrDefault

        public Object queryOrDefault​(Object objectToQuery,
                                     JsonPointerIterator iterator,
                                     Object defaultValue)
        Query objectToQuery using the provided JsonPointerIterator. If the query result is null, returns the default.
        If you need to query Vert.x json data structures, use queryJsonOrDefault(java.lang.Object, java.lang.Object)
        Note: if this pointer is a root pointer, this function returns the provided object
        Parameters:
        objectToQuery - the object to query
        iterator - the json pointer iterator that provides the logic to access to the objectToQuery
        defaultValue - default value if query result is null
        Returns:
        null if pointer points to not existing value, otherwise the requested value
      • queryJson

        public Object queryJson​(Object jsonElement)
        Query jsonElement.
        Note: if this pointer is a root pointer, this function returns the provided json element
        Parameters:
        jsonElement - the json element to query
        Returns:
        null if pointer points to not existing value, otherwise the requested value
      • queryJsonOrDefault

        public Object queryJsonOrDefault​(Object jsonElement,
                                         Object defaultValue)
        Query jsonElement. If the query result is null, returns the default.
        Note: if this pointer is a root pointer, this function returns the provided object
        Parameters:
        jsonElement - the json element to query
        defaultValue - default value if query result is null
        Returns:
        null if pointer points to not existing value, otherwise the requested value
      • tracedQuery

        public List<Object> tracedQuery​(Object objectToQuery,
                                        JsonPointerIterator iterator)
        Query objectToQuery tracing each element walked during the query, including the first and the result (if any).
        The first element of the list is objectToQuery and the last is the result, or the element before the first null was encountered
        Parameters:
        objectToQuery - the object to query
        iterator - the json pointer iterator that provides the logic to access to the objectToQuery
        Returns:
        the stream of walked elements
      • write

        public Object write​(Object objectToWrite,
                            JsonPointerIterator iterator,
                            Object newElement,
                            boolean createOnMissing)
        Write newElement in objectToWrite using this pointer. The path token "-" is handled as append to end of array
        If you need to write in Vert.x json data structures, use writeJson(java.lang.Object, java.lang.Object) (Object)}
        Parameters:
        objectToWrite - object to write
        iterator - the json pointer iterator that provides the logic to access to the objectToMutate
        newElement - object to insert
        createOnMissing - create objects when missing a object key or an array index
        Returns:
        a reference to objectToWrite if the write was completed, a reference to newElement if the pointer is a root pointer, null if the write failed
      • writeJson

        public Object writeJson​(Object jsonElement,
                                Object newElement)
        Write newElement in jsonElement using this pointer. The path token "-" is handled as append to end of array.
        Parameters:
        jsonElement - json element to query and write
        newElement - json to insert
        Returns:
        a reference to json if the write was completed, a reference to newElement if the pointer is a root pointer, null if the write failed
      • writeJson

        public Object writeJson​(Object jsonElement,
                                Object newElement,
                                boolean createOnMissing)
        Write newElement in jsonElement using this pointer. The path token "-" is handled as append to end of array.
        Parameters:
        jsonElement - json to query and write
        newElement - json to insert
        createOnMissing - create JsonObject when missing a object key or an array index
        Returns:
        a reference to json if the write was completed, a reference to newElement if the pointer is a root pointer, null if the write failed
      • copy

        public JsonPointer copy()
        Copy a JsonPointer
        Returns:
        a copy of this pointer
      • create

        public static JsonPointer create()
        Build an empty JsonPointer
        Returns:
        a new empty JsonPointer
      • from

        public static JsonPointer from​(String pointer)
        Build a JsonPointer from a json pointer string
        Parameters:
        pointer - the string representing a pointer
        Returns:
        new instance of JsonPointer
      • getURIWithoutFragment

        public URI getURIWithoutFragment()
        Return the underlying URI without the fragment
        Returns:
      • fromURI

        public static JsonPointer fromURI​(URI uri)
        Build a JsonPointer from a URI.
        Parameters:
        uri - uri representing a json pointer
        Returns:
        new instance of JsonPointer