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-rw-r--r--common/src/at/gv/egovernment/moa/util/CollectionUtils.java36
1 files changed, 36 insertions, 0 deletions
diff --git a/common/src/at/gv/egovernment/moa/util/CollectionUtils.java b/common/src/at/gv/egovernment/moa/util/CollectionUtils.java
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index 000000000..5329dcbd2
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+++ b/common/src/at/gv/egovernment/moa/util/CollectionUtils.java
@@ -0,0 +1,36 @@
+package at.gv.egovernment.moa.util;
+
+import java.util.Iterator;
+import java.util.List;
+
+/**
+ * Various utility methods for dealing with <code>java.util.Collection</code>
+ * classes.
+ *
+ * @author Patrick Peck
+ * @version $Id$
+ */
+public class CollectionUtils {
+
+ /**
+ * Convert a <code>List</code> of <code>Number</code> objects to an
+ * <code>int</code> array.
+ *
+ * @param nums The <code>List</code> containing the numbers whose integer
+ * value to put into the result.
+ * @return The <code>int</code> values of the <code>Number</code>s contained
+ * in <code>nums</code>.
+ */
+ public static int[] toIntArray(List nums) {
+ int[] result = new int[nums.size()];
+ Iterator iter;
+ int i;
+
+ for (i = 0, iter = nums.iterator(); iter.hasNext(); i++) {
+ Number num = (Number) iter.next();
+ result[i] = num.intValue();
+ }
+
+ return result;
+ }
+}