fix IOUtils and Dom imports

src/de/unibremen/informatik/hets/common/io/IOUtils.java

@@ -1,4 +1,12 @@
-package de.unibremen.informatik.hets.common.io
+package de.unibremen.informatik.hets.common.io;
+
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.Reader;
+import java.io.Writer;
+import java.io.StringWriter;
+import java.io.IOException;
+import java.io.InputStreamReader;
 
 public class IOUtils {
     private static final int DEFAULT_BUFFER_SIZE = 1024 * 4;

src/de/unibremen/informatik/hets/common/xml/Dom.java

@@ -1,4 +1,9 @@
-package de.unibremen.informatik.hets.common.xml
+package de.unibremen.informatik.hets.common.xml;
+
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+import java.util.ArrayList;
 
 public class Dom {
     static {
@@ -8,6 +13,20 @@ public class Dom {
         super();
     }
 
+    public static ArrayList<Element> getChildElements(Node item) {
+        ArrayList<Element> result = new ArrayList<Element>();
+        NodeList list = item.getChildNodes();
+
+        for (int i = 0; i < list.getLength(); i++) {
+            Node child = list.item(i);
+            if (child.getNodeType() == Node.ELEMENT_NODE) {
+                result.add((Element)child);
+            }
+        }
+
+        return result;
+    }
+
     public static String getTextContent(Element item) {
         StringBuilder sb = new StringBuilder();
         NodeList list = ((Node)item).getChildNodes();