From 61eb57c9183acbb2db5370428dede8f0cab0bf78 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Krist=C3=B3f=20T=C3=B3th?= <kristof.toth@avatao.com>
Date: Tue, 9 Apr 2019 14:54:43 +0200
Subject: [PATCH] Implement Java bindings for pipe io client

---
 clients/java/PipeIO.java     | 26 ++++++++++++++++++++++++++
 clients/java/PipeReader.java | 21 +++++++++++++++++++++
 clients/java/PipeWriter.java | 22 ++++++++++++++++++++++
 clients/java/Test.java       | 22 ++++++++++++++++++++++
 4 files changed, 91 insertions(+)
 create mode 100644 clients/java/PipeIO.java
 create mode 100644 clients/java/PipeReader.java
 create mode 100644 clients/java/PipeWriter.java
 create mode 100644 clients/java/Test.java

diff --git a/clients/java/PipeIO.java b/clients/java/PipeIO.java
new file mode 100644
index 0000000..b9e8702
--- /dev/null
+++ b/clients/java/PipeIO.java
@@ -0,0 +1,26 @@
+import java.io.IOException;
+
+
+public class PipeIO implements AutoCloseable {
+    protected PipeReader reader;
+    protected PipeWriter writer;
+
+    public PipeIO(String in_pipe_path, String out_pipe_path) throws IOException {
+        this.reader = new PipeReader(in_pipe_path);
+        this.writer = new PipeWriter(out_pipe_path);
+    }
+
+    public void close() throws IOException {
+        this.reader.close();
+        this.writer.close();
+    }
+
+    public void run() throws IOException {
+        String msg;
+        while ((msg = this.reader.recvMessage()) != null) {
+            this.handleMessage(msg);
+        }
+    }
+
+    public void handleMessage(String msg) throws IOException {}
+}
diff --git a/clients/java/PipeReader.java b/clients/java/PipeReader.java
new file mode 100644
index 0000000..b83f11b
--- /dev/null
+++ b/clients/java/PipeReader.java
@@ -0,0 +1,21 @@
+import java.io.BufferedReader;
+import java.io.FileReader;
+import java.io.IOException;
+import java.lang.AutoCloseable;
+
+
+public class PipeReader implements AutoCloseable {
+    private BufferedReader pipe;
+
+    public PipeReader(String pipe_path) throws IOException {
+        this.pipe = new BufferedReader(new FileReader(pipe_path));
+    }
+
+    public void close() throws IOException {
+        this.pipe.close();
+    }
+
+    public String recvMessage() throws IOException {
+        return this.pipe.readLine();
+    }
+}
diff --git a/clients/java/PipeWriter.java b/clients/java/PipeWriter.java
new file mode 100644
index 0000000..1329a38
--- /dev/null
+++ b/clients/java/PipeWriter.java
@@ -0,0 +1,22 @@
+import java.io.BufferedWriter;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.lang.AutoCloseable;
+
+
+public class PipeWriter implements AutoCloseable {
+    private BufferedWriter pipe;
+
+    public PipeWriter(String pipe_path) throws IOException {
+        this.pipe = new BufferedWriter(new FileWriter(pipe_path));
+    }
+
+    public void close() throws IOException {
+        this.pipe.close();
+    }
+
+    public void sendMessage(String msg) throws IOException {
+        this.pipe.write(msg + "\n");
+        this.pipe.flush();
+    }
+}
diff --git a/clients/java/Test.java b/clients/java/Test.java
new file mode 100644
index 0000000..9f936de
--- /dev/null
+++ b/clients/java/Test.java
@@ -0,0 +1,22 @@
+import java.io.IOException;
+
+
+public class Test extends PipeIO {
+    public Test(String in_pipe_path, String out_pipe_path) throws IOException {
+        super(in_pipe_path, out_pipe_path);
+    }
+
+    @Override
+    public void handleMessage(String msg) throws IOException {
+        this.writer.sendMessage(msg);
+    }
+
+    public static void main(String[] args) {
+        try(Test test = new Test("in", "out")) {
+            test.run();
+        }
+        catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+}