--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/utils/FileUtils.java	Tue Feb 19 13:41:20 2013 +0100
@@ -0,0 +1,66 @@
+package de.intevation.flys.utils;
+
+import de.intevation.artifacts.common.utils.FileTools;
+import de.intevation.flys.artifacts.states.FloodMapState;
+
+import java.io.File;
+import java.io.IOException;
+
+/**
+ * Various utility methods for handling of files and directories.
+ * @author <a href="mailto:christian.lins@intevation.de">Christian Lins</a>
+ */
+public class FileUtils {
+
+    public static boolean extractZipfile(File archive, File dir) {
+        try {
+            File tmpDir = new File(dir, "usr_tmp");
+            FileTools.extractArchive(archive, tmpDir);
+            FileUtils.moveFiles(tmpDir, dir);
+
+            return true;
+        }
+        catch (IOException ioe) {
+            FloodMapState.logger.warn("Zip archive " + dir + "/" + FloodMapState.WSPLGEN_USER_ZIP + " could not be extracted.");
+            return false;
+        }
+    }
+
+    public static void moveFiles(File source, final File target)
+    throws IOException
+    {
+        if (!source.exists()) {
+            return;
+        }
+        if (!target.exists()) {
+            target.mkdir();
+        }
+        FileTools.walkTree(source, new FileTools.FileVisitor() {
+            @Override
+            public boolean visit(File file) {
+                if (!file.isDirectory()) {
+                    String name = file.getName();
+                    String suffix = "";
+                    int pos = name.lastIndexOf('.');
+                    if (pos > 0 && pos < name.length() - 1) {
+                        suffix = name.substring(pos + 1);
+                    }
+                    else {
+                        return true;
+                    }
+                    try {
+                        FileTools.copyFile(file, new File(target, FloodMapState.WSPLGEN_USER_FILENAME + "." + suffix));
+                    }
+                    catch (IOException ioe) {
+                        FloodMapState.logger.warn ("Error while copying file " + file.getName());
+                        return true;
+                    }
+                }
+                return true;
+            }
+        });
+
+        FileTools.deleteRecursive(source);
+    }
+
+}