public class RMListUtils
extends java.lang.Object
Constructor and Description |
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RMListUtils() |
Modifier and Type | Method and Description |
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static java.util.List |
add(java.util.List aList,
java.lang.Object anObj)
Adds an object to the given list and returns list (creates list if missing).
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static java.util.List |
addAll(java.util.List l1,
java.util.List l2)
Adds all object from second list to first list (creates first list if missing).
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static java.util.List |
addIfAbsent(java.util.List aList,
java.lang.Object anObj)
Adds an object to the given list if object is absent (creates list if missing).
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static java.util.List |
addIfAbsentIdentical(java.util.List aList,
java.lang.Object anObj)
Adds an object to the given list if identical object is missing (creates list if missing).
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static java.util.List |
clone(java.util.List aList)
Returns a copy of the given list.
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static java.util.List |
cloneDeep(java.util.List aList)
Returns a copy of the given list with copies of all its items (recursively).
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static boolean |
contains(java.util.List aList,
java.lang.Object anObj)
Returns whehter list contains given object (accepts null list).
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static boolean |
containsIdentical(java.util.List aList,
java.lang.Object anObj)
Returns whehter list contains indentical given object (accepts null list).
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static int |
countAtLevel(java.util.List aList,
int aLevel)
Returns the number of objects at a given level in the given list hierarchy.
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static java.lang.Object |
get(java.util.List aList,
int anIndex)
Returns the object at the given index (returns null object for null list or invalid index).
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static java.lang.Object |
getFirstLeaf(java.util.List aList)
Returns the first non-list object in the given list hierarchy, recursing if a list is found.
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static java.lang.Object |
getLast(java.util.List aList)
Returns the last object in the given list.
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static int |
indexOfIdentical(java.util.List aList,
java.lang.Object anObj)
Returns index of identical given object in given list.
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static java.lang.String |
joinStrings(java.util.List aList,
java.lang.String aString)
Returns a string by concatenating strings in given list separated by given string.
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static void |
move(java.util.List aList,
int anIndex1,
int anIndex2)
Moves the object at index 1 to index 2.
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static void |
moveToFront(java.util.List l,
int i)
Moves the object at the given index to the front of the list.
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static void |
moveToFront(java.util.List l,
java.lang.Object o)
Move the given object to the front of the list.
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static java.util.List |
newList(java.lang.Object anObj)
Creates a new list containing the given object.
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static java.util.List |
newList(java.lang.Object[] objs)
Creates a new list containing the objects in the object array.
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static java.util.Vector |
newVector(java.lang.Object o)
Creates a new Vector for the given object.
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static java.util.Vector |
newVector(java.lang.Object[] objs)
Creates a new vector for the given array of objects.
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static java.util.List |
objectsAtLevel(java.util.List aList,
int aLevel)
Returns the objects at a given level in the given list hierarchy.
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static boolean |
objectsHaveSameClass(java.util.List l)
Returns whether objects in list all have same class.
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static void |
remove(java.util.List aList,
int start,
int end)
Removes range of objects from given list (from start to end, not including end).
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static void |
remove(java.util.List aList,
java.lang.Object anObj)
Removes given object from given list (accepts null list).
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static void |
removeAllIdentical(java.util.List aList,
java.util.List bList)
Removes from aList all objects that are common to both lists.
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static void |
removeIdentical(java.util.List aList,
java.lang.Object anObj)
Removes the object identical to the given object from list.
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static void |
removeLast(java.util.List aList)
Removes the last object from given list.
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static java.util.List |
reverse(java.util.List aList)
Reverses the items in the given list.
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static int |
size(java.util.List aList)
Returns the size of a list (accepts null list).
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static void |
xor(java.util.List l1,
java.util.List l2)
Adds object from list 2 to list 1, unless they are already present (then removes them).
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public static int size(java.util.List aList)
public static java.lang.Object get(java.util.List aList, int anIndex)
public static java.lang.Object getLast(java.util.List aList)
public static boolean contains(java.util.List aList, java.lang.Object anObj)
public static boolean containsIdentical(java.util.List aList, java.lang.Object anObj)
public static int indexOfIdentical(java.util.List aList, java.lang.Object anObj)
public static java.util.List add(java.util.List aList, java.lang.Object anObj)
public static java.util.List addIfAbsent(java.util.List aList, java.lang.Object anObj)
public static java.util.List addIfAbsentIdentical(java.util.List aList, java.lang.Object anObj)
public static java.util.List addAll(java.util.List l1, java.util.List l2)
public static void remove(java.util.List aList, java.lang.Object anObj)
public static void remove(java.util.List aList, int start, int end)
public static void removeLast(java.util.List aList)
public static void removeIdentical(java.util.List aList, java.lang.Object anObj)
public static void removeAllIdentical(java.util.List aList, java.util.List bList)
public static void move(java.util.List aList, int anIndex1, int anIndex2)
public static java.util.List reverse(java.util.List aList)
public static java.lang.Object getFirstLeaf(java.util.List aList)
public static java.util.List objectsAtLevel(java.util.List aList, int aLevel)
public static int countAtLevel(java.util.List aList, int aLevel)
public static java.lang.String joinStrings(java.util.List aList, java.lang.String aString)
public static java.util.List newList(java.lang.Object anObj)
public static java.util.List newList(java.lang.Object[] objs)
public static java.util.Vector newVector(java.lang.Object o)
public static java.util.Vector newVector(java.lang.Object[] objs)
public static void xor(java.util.List l1, java.util.List l2)
public static boolean objectsHaveSameClass(java.util.List l)
public static void moveToFront(java.util.List l, int i)
public static void moveToFront(java.util.List l, java.lang.Object o)
public static java.util.List clone(java.util.List aList)
public static java.util.List cloneDeep(java.util.List aList)