git-svn-id: https://joinup.ec.europa.eu/svn/moa-idspss/tags/1.4.5@1131 d688527b-c9ab-4aba-bd8d-4036d912da1d

1 files changed, 51 insertions, 0 deletions

diff --git a/common/src/main/java/at/gv/egovernment/moa/util/CollectionUtils.java b/common/src/main/java/at/gv/egovernment/moa/util/CollectionUtils.java
new file mode 100644
index 000000000..7a4c3850f
--- /dev/null
+++ b/common/src/main/java/at/gv/egovernment/moa/util/CollectionUtils.java
@@ -0,0 +1,51 @@
+/*
+* Copyright 2003 Federal Chancellery Austria
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+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;
+  }
+}