upd: rename package name and all references to it

[gigi.git] / util-testing / club / wpia / gigi / localisation / FileIterable.java

diff --git a/util-testing/club/wpia/gigi/localisation/FileIterable.java b/util-testing/club/wpia/gigi/localisation/FileIterable.java
new file mode 100644 (file)
index 0000000..410c610
--- /dev/null
+++ b/util-testing/club/wpia/gigi/localisation/FileIterable.java
@@ -0,0 +1,55 @@
+package club.wpia.gigi.localisation;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOError;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.Iterator;
+
+public class FileIterable implements Iterable<String> {
+
+    File f;
+
+    public FileIterable(File f) {
+        this.f = f;
+    }
+
+    @Override
+    public Iterator<String> iterator() {
+        try {
+            return new Iterator<String>() {
+
+                BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(f), "UTF-8"));
+
+                String s = null;
+
+                private void getNext() {
+                    if (s == null) {
+                        try {
+                            s = br.readLine();
+                        } catch (IOException e) {
+                            throw new IOError(e);
+                        }
+                    }
+                }
+
+                @Override
+                public boolean hasNext() {
+                    getNext();
+                    return s != null;
+                }
+
+                @Override
+                public String next() {
+                    String out = s;
+                    s = null;
+                    return out;
+                }
+            };
+        } catch (IOException e) {
+            throw new IOError(e);
+        }
+    }
+}