+doc #19429 initial merge of docs-dev and docs

akka-docs/rst/java/code/docs/stream/javadsl/cookbook/RecipeParseLines.java

@@ -0,0 +1,59 @@
+/**
+ *  Copyright (C) 2015 Typesafe <http://typesafe.com/>
+ */
+package docs.stream.javadsl.cookbook;
+
+import akka.actor.ActorSystem;
+import akka.stream.ActorMaterializer;
+import akka.stream.Materializer;
+import akka.stream.io.Framing;
+import akka.stream.javadsl.Sink;
+import akka.stream.javadsl.Source;
+import akka.testkit.JavaTestKit;
+import akka.util.ByteString;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import scala.concurrent.Await;
+import scala.concurrent.duration.FiniteDuration;
+import scala.runtime.BoxedUnit;
+
+import java.util.Arrays;
+import java.util.concurrent.TimeUnit;
+
+public class RecipeParseLines extends RecipeTest {
+
+  static ActorSystem system;
+
+  @BeforeClass
+  public static void setup() {
+    system = ActorSystem.create("RecipeLoggingElements");
+  }
+
+  @AfterClass
+  public static void tearDown() {
+    JavaTestKit.shutdownActorSystem(system);
+    system = null;
+  }
+
+  final Materializer mat = ActorMaterializer.create(system);
+
+  @Test
+  public void parseLines() throws Exception {
+    final Source<ByteString, BoxedUnit> rawData = Source.from(Arrays.asList(
+      ByteString.fromString("Hello World"),
+      ByteString.fromString("\r"),
+      ByteString.fromString("!\r"),
+      ByteString.fromString("\nHello Akka!\r\nHello Streams!"),
+      ByteString.fromString("\r\n\r\n")));
+
+    //#parse-lines
+    final Source<String, BoxedUnit> lines = rawData
+      .via(Framing.delimiter(ByteString.fromString("\r\n"), 100, true))
+      .map(b -> b.utf8String());
+    //#parse-lines
+
+    Await.result(lines.grouped(10).runWith(Sink.head(), mat), new FiniteDuration(1, TimeUnit.SECONDS));
+  }
+
+}