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Posted to commits@harmony.apache.org by ml...@apache.org on 2006/05/31 10:42:25 UTC
svn commit: r410464 -
/incubator/harmony/enhanced/classlib/trunk/modules/luni/src/main/java/java/util/Collections.java
Author: mloenko
Date: Wed May 31 01:42:24 2006
New Revision: 410464
URL: http://svn.apache.org/viewvc?rev=410464&view=rev
Log:
applied the second patch from HARMONY-342 (Java 5 Enhancement: new Java5 methods in java.util.Collections class)
Modified:
incubator/harmony/enhanced/classlib/trunk/modules/luni/src/main/java/java/util/Collections.java
Modified: incubator/harmony/enhanced/classlib/trunk/modules/luni/src/main/java/java/util/Collections.java
URL: http://svn.apache.org/viewvc/incubator/harmony/enhanced/classlib/trunk/modules/luni/src/main/java/java/util/Collections.java?rev=410464&r1=410463&r2=410464&view=diff
==============================================================================
--- incubator/harmony/enhanced/classlib/trunk/modules/luni/src/main/java/java/util/Collections.java (original)
+++ incubator/harmony/enhanced/classlib/trunk/modules/luni/src/main/java/java/util/Collections.java Wed May 31 01:42:24 2006
@@ -2318,6 +2318,18 @@
}
/**
+ * Returns a dynamically typesafe view of the specified sorted set.
+ *
+ * @param c the sorted set
+ * @param type the type of the elements is permitted to insert
+ *
+ * @return a typesafe sorted set
+ */
+ public static SortedSet checkedSortedSet(SortedSet s, Class type) {
+ return new CheckedSortedSet(s, type);
+ }
+
+ /**
* Adds all the specified elements to the specified collection
*
* @param c the collection the elements are to be inserted into
@@ -3163,6 +3175,68 @@
}
+ }
+
+ /**
+ * Class represents a dynamically typesafe view of the specified sortedSet.
+ */
+ private static class CheckedSortedSet extends CheckedSet implements
+ SortedSet {
+
+ private SortedSet ss;
+
+ /**
+ * Constructs a dynamically typesafe view of the specified sortedSet.
+ *
+ * @param s - the sortedSet for which a dynamically typesafe view is to
+ * be constructed.
+ */
+ public CheckedSortedSet(SortedSet s, Class type) {
+ super(s, type);
+ this.ss = s;
+ }
+
+ /**
+ * @see java.util.SortedSet#comparator()
+ */
+ public Comparator comparator() {
+ return ss.comparator();
+ }
+
+ /**
+ * @see java.util.SortedSet#subSet(Object, Object)
+ */
+ public SortedSet subSet(Object fromElement, Object toElement) {
+ return new CheckedSortedSet(ss.subSet(fromElement, toElement), type);
+ }
+
+ /**
+ * @see java.util.SortedSet#headSet(Object)
+ */
+ public SortedSet headSet(Object toElement) {
+ return new CheckedSortedSet(ss.headSet(toElement), type);
+ }
+
+ /**
+ * @see java.util.SortedSet#tailSet(Object)
+ */
+ public SortedSet tailSet(Object fromElement) {
+ return new CheckedSortedSet(ss.tailSet(fromElement), type);
+ }
+
+ /**
+ * @see java.util.SortedSet#first()
+ */
+ public Object first() {
+ return ss.first();
+ }
+
+ /**
+ * @see java.util.SortedSet#last()
+ */
+ public Object last() {
+ return ss.last();
+ }
}
/**