first commit

TOOLS/fileWriter/writer/Writer.java

@@ -0,0 +1,58 @@
+package writer;
+
+import reader.ReaderRakete;
+
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+
+public class Writer {
+
+    private String filePath;
+
+    public Writer(String PATH) {
+        this.filePath = PATH;
+    }
+
+    public void write(String newText, boolean append) {
+        File file = new File(filePath);
+        FileWriter fr = null;
+        try {
+            fr = new FileWriter(file, append);
+            fr.write(newText);
+        } catch (IOException e) {
+            e.printStackTrace();
+        } finally {
+            try {
+                fr.close();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+    }
+
+    public void clear() {
+        File file = new File(filePath);
+
+        FileWriter fr = null;
+        try {
+            // Below constructor argument decides whether to append or override
+            fr = new FileWriter(filePath, false);
+            fr.write("");
+
+        } catch (IOException e) {
+            e.printStackTrace();
+        } finally {
+            try {
+                fr.close();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+    }
+
+    public void delete() {
+        File file = new File(filePath);
+        file.delete();
+    }
+}