diff --git a/app/src/main/java/lightcontainer/protocol/ProtocolWriter.java b/app/src/main/java/lightcontainer/protocol/ProtocolWriter.java
new file mode 100644
index 0000000..c05e428
--- /dev/null
+++ b/app/src/main/java/lightcontainer/protocol/ProtocolWriter.java
@@ -0,0 +1,23 @@
+package lightcontainer.protocol;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public abstract class ProtocolWriter {
+
+    private final Pattern rulePattern;
+
+    protected ProtocolWriter(String pattern) {
+        this.rulePattern = Pattern.compile(pattern);
+    }
+
+    public String execute(String data) {
+        Matcher ruleMatcher = this.rulePattern.matcher(data);
+
+        if (ruleMatcher.matches()) {
+
+        }
+
+        return null;
+    }
+}