1 files changed, 33 insertions, 0 deletions

diff --git a/src/cz/crcs/ectester/common/util/FileUtil.java b/src/cz/crcs/ectester/common/util/FileUtil.java
new file mode 100644
index 0000000..790596b
--- /dev/null
+++ b/src/cz/crcs/ectester/common/util/FileUtil.java
@@ -0,0 +1,33 @@
+package cz.crcs.ectester.common.util;
+
+import cz.crcs.ectester.common.output.TeeOutputStream;
+
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.util.LinkedList;
+import java.util.List;
+
+/**
+ * @author Jan Jancar johny@neuromancer.sk
+ */
+public class FileUtil {
+    public static OutputStream openStream(String[] files) throws FileNotFoundException {
+        if (files == null) {
+            return null;
+        }
+        List<OutputStream> outs = new LinkedList<>();
+        for (String fileOut : files) {
+            outs.add(new FileOutputStream(fileOut));
+        }
+        return new TeeOutputStream(outs.toArray(new OutputStream[0]));
+    }
+
+    public static OutputStreamWriter openFiles(String[] files) throws FileNotFoundException {
+        if (files == null) {
+            return null;
+        }
+        return new OutputStreamWriter(openStream(files));
+    }
+}