45c826a218
Introduces a materializer started through an extension and then an implicit conversion for Scala turning an implicitly available ActorSystem into a materializer. The Java APIs has been ammended with run-methods accepting an ActorSystem.
56 lines
1.5 KiB
Java
56 lines
1.5 KiB
Java
/*
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* Copyright (C) 2016-2019 Lightbend Inc. <https://www.lightbend.com>
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*/
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package jdocs.stream.javadsl.cookbook;
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import akka.NotUsed;
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import akka.actor.ActorSystem;
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import akka.stream.javadsl.Compression;
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import akka.stream.javadsl.Source;
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import akka.testkit.javadsl.TestKit;
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import akka.util.ByteString;
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import static akka.util.ByteString.emptyByteString;
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import org.junit.AfterClass;
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import org.junit.Assert;
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import org.junit.BeforeClass;
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import org.junit.Test;
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import java.util.concurrent.TimeUnit;
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public class RecipeDecompress extends RecipeTest {
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static ActorSystem system;
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@BeforeClass
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public static void setup() {
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system = ActorSystem.create("RecipeDecompress");
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}
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@AfterClass
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public static void tearDown() {
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TestKit.shutdownActorSystem(system);
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system = null;
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}
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@Test
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public void parseLines() throws Exception {
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final Source<ByteString, NotUsed> dataStream =
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Source.single(ByteString.fromString("Hello World"));
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final Source<ByteString, NotUsed> compressedStream = dataStream.via(Compression.gzip());
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// #decompress-gzip
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final Source<ByteString, NotUsed> decompressedStream =
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compressedStream.via(Compression.gunzip(100));
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// #decompress-gzip
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ByteString decompressedData =
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decompressedStream
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.runFold(emptyByteString(), ByteString::concat, system)
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.toCompletableFuture()
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.get(1, TimeUnit.SECONDS);
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String decompressedString = decompressedData.utf8String();
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Assert.assertEquals("Hello World", decompressedString);
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}
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}
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