Package de.isas.mztab2.cvmapping

Class JxPathElement

  • public final class JxPathElement
extends Object
    Utility methods for simpler Java 8 compatible handling of JXPath selections and pointers.
    Author:
    nilshoffmann

    • Constructor Summary

      Constructors 
      Constructor Description
      JxPathElement()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static <T> List<org.apache.commons.lang3.tuple.Pair<org.apache.commons.jxpath.Pointer,​T>> toList​(org.apache.commons.jxpath.JXPathContext context, String xpath, Class<? extends T> type)
      Returns the elements selected by the xpath expression from the provided JXPathContext as a list of the given object type.
      static <T> List<org.apache.commons.lang3.tuple.Pair<org.apache.commons.jxpath.Pointer,​T>> toList​(org.apache.commons.jxpath.Pointer pointer, Class<? extends T> type)
      Wrap the provided pointer as a list of the given object type.
      static <T> Stream<T> toStream​(Iterator<? extends T> iter)
      Wraps the provided typed iterator into a stream, based on Spliterators.
      static <T> Stream<T> toStream​(Iterator iter, Class<? extends T> type)
      Creates a typed stream from an untyped (pre Java 6) iterator.
      static <T> Stream<org.apache.commons.lang3.tuple.Pair<org.apache.commons.jxpath.Pointer,​T>> toStream​(org.apache.commons.jxpath.Pointer pointer, Class<? extends T> type)
      Wrap the provided pointer as a stream of the given object type.
      static <T> Iterator<T> typedIter​(Iterator iter, Class<? extends T> type)
      Creates a typed iterator from an untyped (pre Java 6) iterator.

    • Constructor Detail

      • JxPathElement

        public JxPathElement()

    • Method Detail

      • toStream

        public static <T> Stream<org.apache.commons.lang3.tuple.Pair<org.apache.commons.jxpath.Pointer,​T>> toStream​(org.apache.commons.jxpath.Pointer pointer,
                                                                                                                  Class<? extends T> type)
        Wrap the provided pointer as a stream of the given object type.
        Type Parameters:
        T - the generic object type
        Parameters:
        pointer - the pointer in the object tree
        type - the object's type
        Returns:
        a typed stream of pairs of pointer and typed object

      • toList

        public static <T> List<org.apache.commons.lang3.tuple.Pair<org.apache.commons.jxpath.Pointer,​T>> toList​(org.apache.commons.jxpath.Pointer pointer,
                                                                                                              Class<? extends T> type)
        Wrap the provided pointer as a list of the given object type.
        Type Parameters:
        T - the generic object type
        Parameters:
        pointer - the pointer in the object tree
        type - the object's type
        Returns:
        a typed list of pairs of pointer and typed object

      • toList

        public static <T> List<org.apache.commons.lang3.tuple.Pair<org.apache.commons.jxpath.Pointer,​T>> toList​(org.apache.commons.jxpath.JXPathContext context,
                                                                                                              String xpath,
                                                                                                              Class<? extends T> type)
        Returns the elements selected by the xpath expression from the provided JXPathContext as a list of the given object type.
        Type Parameters:
        T - the generic object type
        Parameters:
        context - the jxpath object tree context
        xpath - the xpath expression used for subtree / element selection
        type - the object's type
        Returns:
        a typed list of pairs of pointer and typed object

      • typedIter

        public static <T> Iterator<T> typedIter​(Iterator iter,
                                        Class<? extends T> type)
        Creates a typed iterator from an untyped (pre Java 6) iterator.
        Type Parameters:
        T - the generic object type
        Parameters:
        iter - the original iterator
        type - the object's type
        Returns:
        a typed iterator of the requested type, backed by the provided iterator.

      • toStream

        public static <T> Stream<T> toStream​(Iterator iter,
                                     Class<? extends T> type)
        Creates a typed stream from an untyped (pre Java 6) iterator.
        Type Parameters:
        T - the generic object type
        Parameters:
        iter - the original iterator
        type - the object's type
        Returns:
        a typed iterator of the requested type, backed by the provided iterator.
        See Also:
        <T>typedIter(java.util.Iterator,java.lang.Class<? extends T>)

      • toStream

        public static <T> Stream<T> toStream​(Iterator<? extends T> iter)
        Wraps the provided typed iterator into a stream, based on Spliterators.
        Type Parameters:
        T - the generic object type
        Parameters:
        iter - the original iterator
        Returns:
        a typed (unbounded and ordered) stream, backed by the provided iterator.