Package org.eclipse.nebula.paperclips.core.internal.util

Class PaperClipsUtil

java.lang.Object
org.eclipse.nebula.paperclips.core.internal.util.PaperClipsUtil
public class PaperClipsUtil
extends java.lang.Object
Convenience methods specific to PaperClips

  • Method Summary

    Modifier and Type Method Description
    static int[] copy​(int[] array)
    Returns a copy of the array.
    static int[][] copy​(int[][] array)
    Returns a deep copy of the array.
    static void dispose​(java.util.List<PrintPiece> pages)
    Disposes the print pieces in the list.
    static void dispose​(PrintPiece piece)
    Disposes the print piece if not null.
    static void dispose​(PrintPiece[] pieces)
    Disposes the print pieces that are not null.
    static void dispose​(PrintPiece[] pages, int start, int end)
    Disposes the print pieces in the array from start (inclusive) to end (exclusive).
    static void dispose​(PrintPiece p1, PrintPiece p2)
    Disposes the arguments that are not null.
    static void dispose​(PrintPiece piece, PrintPiece[] pieces)
    Disposes the print pieces that are not null.
    static int firstMatch​(int value, int[] masks, int defaultMask)
    Returns the first element in masks where (value & mask[index]) == mask[index].
    static int sum​(int[] array)
    Returns the sum of all elements in the array.
    static int sum​(int[] array, int start, int count)
    Returns the sum of all elements in the array in the range [start, start+count).
    static int sumByIndex​(int[] array, int[] indices)
    Returns the sum of all elements in the array at the given indices.
    static int[] toIntArray​(java.util.List<java.lang.Integer> list)
    Converts the argument to an int[] array.
    static int[][] toIntIntArray​(java.util.List<int[]> list)
    Converts the argument to an int[][] array.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Method Details

    • dispose

      public static void dispose​(PrintPiece piece)
      Disposes the print piece if not null.
      Parameters:
      piece - the print piece to dispose.

    • dispose

      public static void dispose​(PrintPiece p1, PrintPiece p2)
      Disposes the arguments that are not null.
      Parameters:
      p1 - print piece to dispose
      p2 - print piece to dispose

    • dispose

      public static void dispose​(PrintPiece[] pieces)
      Disposes the print pieces that are not null.
      Parameters:
      pieces - array of print pieces to dispose.

    • dispose

      public static void dispose​(PrintPiece[] pages, int start, int end)
      Disposes the print pieces in the array from start (inclusive) to end (exclusive).
      Parameters:
      pages - array of print pieces to dispose.
      start - the start index.
      end - the end index.

    • dispose

      public static void dispose​(java.util.List<PrintPiece> pages)
      Disposes the print pieces in the list.
      Parameters:
      pages - list of print pieces to dispose.

    • dispose

      public static void dispose​(PrintPiece piece, PrintPiece[] pieces)
      Disposes the print pieces that are not null.
      Parameters:
      piece - a print piece to dispose
      pieces - array of print pieces to dispose

    • copy

      public static int[] copy​(int[] array)
      Returns a copy of the array.
      Parameters:
      array - the array to copy
      Returns:
      a copy of the array.

    • copy

      public static int[][] copy​(int[][] array)
      Returns a deep copy of the array.
      Parameters:
      array - the array to copy
      Returns:
      a copy of the array.

    • sum

      public static int sum​(int[] array)
      Returns the sum of all elements in the array.
      Parameters:
      array - the array
      Returns:
      the sum of all elements in the array.

    • sum

      public static int sum​(int[] array, int start, int count)
      Returns the sum of all elements in the array in the range [start, start+count).
      Parameters:
      array - the array containing the elements to add up.
      start - the index of the first element to add.
      count - the number of elements to add.
      Returns:
      the sum of all elements in the array in the specified range.

    • sumByIndex

      public static int sumByIndex​(int[] array, int[] indices)
      Returns the sum of all elements in the array at the given indices.
      Parameters:
      array - the array of elements to add up.
      indices - the indices of the elements in the array to add up.
      Returns:
      the sum of all elements in the array at the given indices.

    • toIntArray

      public static int[] toIntArray​(java.util.List<java.lang.Integer> list)
      Converts the argument to an int[] array.
      Parameters:
      list - a List of Integers.
      Returns:
      a primitive int[] array.

    • toIntIntArray

      public static int[][] toIntIntArray​(java.util.List<int[]> list)
      Converts the argument to an int[][] array.
      Parameters:
      list - a List of int[] arrays.
      Returns:
      a primitive int[][] array.

    • firstMatch

      public static int firstMatch​(int value, int[] masks, int defaultMask)
      Returns the first element in masks where (value & mask[index]) == mask[index].
      Parameters:
      value - the value to match
      masks - the possible values.
      defaultMask - the value to return if no match is found.
      Returns:
      the first value in possibleValues which is a bitwise match to value, or 0 if none is found.