mirror of
https://github.com/xerial/snappy-java.git
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Revert "Follow-up of #176"
This commit is contained in:
Taro L. Saito
GitHub
parent
300e7eac4e
commit
fd4adf0931
23
build.sbt
23
build.sbt
@ -67,26 +67,6 @@ javacOptions in doc := {
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opts
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}
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// Configuration for SnappyHadoopCompatibleOutputStream testing
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fork in Test := true
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import java.io.File
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val libTemp = {
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val path = s"${System.getProperty("java.io.tmpdir")}/snappy_test_${System.currentTimeMillis()}"
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// certain older Linux systems (debian/trusty in Travis CI) requires the libsnappy.so, loaded by
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// libhadoop.so, be copied to the temp path before the child JVM is forked.
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// because of that, cannot define as an additional task in Test scope
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IO.copyFile(file("src/test/resources/lib/Linux/libsnappy.so"), file(s"$path/libsnappy.so"))
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IO.copyFile(file("src/test/resources/lib/Linux/libsnappy.so"), file(s"$path/libsnappy.so.1"))
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path
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}
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val macOSXLibPath = s"$libTemp:${System.getenv("DYLD_LIBRARY_PATH")}"
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val linuxLibPath = s"$libTemp:${System.getenv("LD_LIBRARY_PATH")}"
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// have to add to system dynamic library path since hadoop native library indirectly load libsnappy.1
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// can't use javaOptions in Test because it causes the expression to eval twice yielding different temp path values
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envVars in Test := Map("XERIAL_SNAPPY_LIB" -> libTemp, "DYLD_LIBRARY_PATH" -> macOSXLibPath, "LD_LIBRARY_PATH" -> linuxLibPath)
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testOptions += Tests.Argument(TestFrameworks.JUnit, "-q", "-v")
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concurrentRestrictions in Global := Seq(Tags.limit(Tags.Test, 1))
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autoScalaLibrary := false
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@ -103,8 +83,7 @@ libraryDependencies ++= Seq(
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"org.wvlet.airframe" %% "airframe-log" % "0.25" % "test",
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"org.scalatest" %% "scalatest" % "3.0.4" % "test",
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"org.osgi" % "org.osgi.core" % "4.3.0" % "provided",
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"com.novocode" % "junit-interface" % "0.11" % "test",
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"org.apache.hadoop" % "hadoop-common" % "2.7.3" % "test" exclude ("org.xerial.snappy", "snappy-java")
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"com.novocode" % "junit-interface" % "0.11" % "test"
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)
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enablePlugins(SbtOsgi)
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@ -1,30 +0,0 @@
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package org.xerial.snappy;
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import java.io.OutputStream;
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import org.xerial.snappy.buffer.CachedBufferAllocator;
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public class SnappyHadoopCompatibleOutputStream extends SnappyOutputStream
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{
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public SnappyHadoopCompatibleOutputStream(OutputStream out)
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{
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this(out, DEFAULT_BLOCK_SIZE);
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}
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public SnappyHadoopCompatibleOutputStream(OutputStream out, int blockSize)
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{
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super(out, blockSize, CachedBufferAllocator.getBufferAllocatorFactory());
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}
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@Override
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protected int writeHeader()
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{
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return 0;
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}
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@Override
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protected void writeBlockPreemble()
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{
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writeCurrentDataSize();
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}
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}
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@ -72,7 +72,6 @@ public class SnappyOutputStream
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protected byte[] outputBuffer;
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private int inputCursor = 0;
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private int outputCursor = 0;
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private boolean headerWritten;
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private boolean closed;
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public SnappyOutputStream(OutputStream out)
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@ -102,6 +101,8 @@ public class SnappyOutputStream
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inputBuffer = inputBufferAllocator.allocate(inputSize);
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outputBuffer = outputBufferAllocator.allocate(outputSize);
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outputCursor = SnappyCodec.currentHeader.writeHeader(outputBuffer, 0);
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}
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/* (non-Javadoc)
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@ -368,18 +369,10 @@ public class SnappyOutputStream
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return; // no need to dump
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}
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if (!headerWritten) {
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outputCursor = writeHeader();
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headerWritten = true;
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}
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// Compress and dump the buffer content
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if (!hasSufficientOutputBufferFor(inputCursor)) {
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dumpOutput();
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}
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writeBlockPreemble();
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int compressedSize = Snappy.compress(inputBuffer, 0, inputCursor, outputBuffer, outputCursor + 4);
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// Write compressed data size
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writeInt(outputBuffer, outputCursor, compressedSize);
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@ -387,24 +380,6 @@ public class SnappyOutputStream
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inputCursor = 0;
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}
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protected int writeHeader(){
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return SnappyCodec.currentHeader.writeHeader(outputBuffer, 0);
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}
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/**
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* Optionally write a preemble before a block. Hadoop requires the actual block data size being written. This base
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* implementation does nothing. Derive implementation can call {@code writeCurrentDataSize()}.
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*/
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protected void writeBlockPreemble()
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{
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// do nothing
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}
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protected void writeCurrentDataSize(){
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writeInt(outputBuffer, outputCursor, inputCursor);
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outputCursor += 4;
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}
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/**
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* close the stream
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*/
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@ -1,148 +0,0 @@
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package org.xerial.snappy;
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import org.apache.commons.io.FileUtils;
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import org.apache.commons.io.IOUtils;
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import org.apache.commons.lang.SystemUtils;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.io.compress.SnappyCodec;
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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.io.*;
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import java.lang.reflect.Field;
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import java.util.LinkedHashMap;
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import java.util.Map;
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public class SnappyHadoopCompatibleOutputStreamTest
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{
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private static File tempNativeLibFolder;
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@BeforeClass
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public static void loadHadoopNativeLibrary() throws Exception
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{
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final String libResourceFolder;
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Map<String, String> libraryNames = new LinkedHashMap<>();
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if (SystemUtils.IS_OS_LINUX) {
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libResourceFolder = "/lib/Linux";
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libraryNames.put("libhadoop.so", "libhadoop.so");
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// certain Linux systems need these shared library be copied before the JVM started, see build.sbt
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libraryNames.put("libsnappy.so", "libsnappy.so");
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libraryNames.put("libsnappy.so.1", "libsnappy.so");
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} else if (SystemUtils.IS_OS_MAC_OSX) {
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libResourceFolder = "/lib/MacOSX";
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libraryNames.put("libhadoop.dylib", "libhadoop.dylib");
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libraryNames.put("libsnappy.dylib", "libsnappy.dylib");
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libraryNames.put("libsnappy.1.dylib", "libsnappy.dylib");
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} else {
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return; // not support
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}
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String testLibDir = System.getenv("XERIAL_SNAPPY_LIB");
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tempNativeLibFolder = new File(testLibDir);
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tempNativeLibFolder.mkdirs();
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for (Map.Entry<String, String> entry : libraryNames.entrySet()) {
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copyNativeLibraryToFS(libResourceFolder, entry.getValue(), entry.getKey());
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}
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System.setProperty("java.library.path", tempNativeLibFolder.getAbsolutePath());
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// credit: https://stackoverflow.com/questions/15409223/adding-new-paths-for-native-libraries-at-runtime-in-java
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//set sys_paths to null so that java.library.path will be reevalueted next time it is needed
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final Field sysPathsField = ClassLoader.class.getDeclaredField("sys_paths");
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sysPathsField.setAccessible(true);
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sysPathsField.set(null, null);
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}
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private static void copyNativeLibraryToFS(String libResourceFolder, String libraryName, String toLibraryName) {
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final String libraryResourceName = libResourceFolder + "/" + libraryName;
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final File libraryPath = new File(tempNativeLibFolder, toLibraryName);
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try (InputStream inputStream = SnappyHadoopCompatibleOutputStream.class.getResourceAsStream(libraryResourceName);
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FileOutputStream outputStream = new FileOutputStream(libraryPath)) {
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IOUtils.copy(inputStream, outputStream);
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FileDescriptor fd = outputStream.getFD();
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fd.sync();
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} catch (IOException ex) {
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throw new RuntimeException(ex);
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}
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}
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@AfterClass
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public static void cleanUpLibraryFolder()
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{
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FileUtils.deleteQuietly(tempNativeLibFolder);
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}
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@Test
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public void testXerialCompressionHadoopDecompressionCodec() throws Exception
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{
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String os = OSInfo.getOSName();
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String arch = OSInfo.getArchName();
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if(!((os.equals("Linux") || os.equals("Mac")) && arch.equals("x86_64"))) {
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// This test works only in Linux/Mac x86_64
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System.err.println("SnappyHadoopCompatibleOutputStreamTest works only in 64-bit Linux/Mac");
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return;
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}
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File inputFile = File.createTempFile("TEST_hadoop_compatibility", ".txt");
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File snappyFile = File.createTempFile("TEST_hadoop_compatibility", ".snappy");
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InputStream snappyInput = null;
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FileOutputStream outputStream = new FileOutputStream(inputFile);
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try {
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String text = "";
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for (int i = 0; i < 1024; i++) {
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text += "Some long long strings to be compressed. Some long long strings to be compressed.";
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}
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text += "odd bytes";
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final byte[] bytes = text.getBytes("UTF-8");
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outputStream.write(bytes);
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outputStream.flush();
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outputStream.close();
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compress(inputFile, snappyFile);
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// Test using Hadoop's Snappy Codec
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if (tempNativeLibFolder != null) {
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SnappyCodec hadoopCodec = new SnappyCodec();
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hadoopCodec.setConf(new Configuration());
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snappyInput = hadoopCodec.createInputStream(new FileInputStream(snappyFile));
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byte[] buf = new byte[bytes.length];
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int byteRead = IOUtils.read(snappyInput, buf);
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String decompressed = new String(buf, 0, byteRead, "UTF-8");
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Assert.assertEquals(decompressed, text);
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} else {
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System.err.println("WARNING: no hadoop library for this platform. skip hadoop decompression test");
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}
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} finally {
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if (snappyInput != null) {
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snappyInput.close();
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}
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inputFile.delete();
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snappyFile.delete();
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outputStream.close();
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}
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}
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private void compress(File inputPath, File outputPath) throws Exception
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{
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FileInputStream fileInputStream = new FileInputStream(inputPath);
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FileOutputStream fileOutputStream = new FileOutputStream(outputPath);
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try {
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InputStream inputStream = new BufferedInputStream(fileInputStream);
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OutputStream outputStream = new SnappyHadoopCompatibleOutputStream(fileOutputStream);
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int readCount;
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byte[] buffer = new byte[64 * 1024];
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while ((readCount = inputStream.read(buffer)) > 0) {
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outputStream.write(buffer, 0, readCount);
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}
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inputStream.close();
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outputStream.close();
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} finally {
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fileInputStream.close();
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fileOutputStream.close();
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}
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}
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}
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@ -1,8 +0,0 @@
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log4j.rootLogger = INFO, console
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# Set the appender named X to be a File appender
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log4j.appender.console=org.apache.log4j.ConsoleAppender
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# Define the layout for X appender
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log4j.appender.console.layout=org.apache.log4j.PatternLayout
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log4j.appender.console.layout.conversionPattern=%m%n
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