Examples with FileWriter java.io.FileWriter used on opensource projects

Example 96 with FileWriter

use of java.io.FileWriter in project hbase by apache.

the class TestZooKeeperACL method testIsZooKeeperSecure.

/**
   * Check if ZooKeeper JaasConfiguration is valid.
   */
@Test
public void testIsZooKeeperSecure() throws Exception {
    boolean testJaasConfig = ZKUtil.isSecureZooKeeper(new Configuration(TEST_UTIL.getConfiguration()));
    assertEquals(testJaasConfig, secureZKAvailable);
    // Define Jaas configuration without ZooKeeper Jaas config
    File saslConfFile = File.createTempFile("tmp", "fakeJaas.conf");
    FileWriter fwriter = new FileWriter(saslConfFile);
    fwriter.write("");
    fwriter.close();
    System.setProperty("java.security.auth.login.config", saslConfFile.getAbsolutePath());
    testJaasConfig = ZKUtil.isSecureZooKeeper(new Configuration(TEST_UTIL.getConfiguration()));
    assertEquals(testJaasConfig, false);
    saslConfFile.delete();
}

Example 97 with FileWriter

use of java.io.FileWriter in project hbase by apache.

the class TestZooKeeperACL method setUpBeforeClass.

@BeforeClass
public static void setUpBeforeClass() throws Exception {
    File saslConfFile = File.createTempFile("tmp", "jaas.conf");
    FileWriter fwriter = new FileWriter(saslConfFile);
    fwriter.write("" + "Server {\n" + "org.apache.zookeeper.server.auth.DigestLoginModule required\n" + "user_hbase=\"secret\";\n" + "};\n" + "Client {\n" + "org.apache.zookeeper.server.auth.DigestLoginModule required\n" + "username=\"hbase\"\n" + "password=\"secret\";\n" + "};" + "\n");
    fwriter.close();
    System.setProperty("java.security.auth.login.config", saslConfFile.getAbsolutePath());
    System.setProperty("zookeeper.authProvider.1", "org.apache.zookeeper.server.auth.SASLAuthenticationProvider");
    TEST_UTIL.getConfiguration().setInt("hbase.zookeeper.property.maxClientCnxns", 1000);
    // the JAAS configuration required by ZK being clobbered by Hadoop 
    try {
        TEST_UTIL.startMiniCluster();
    } catch (IOException e) {
        LOG.warn("Hadoop is missing HADOOP-7070", e);
        secureZKAvailable = false;
        return;
    }
    zkw = new ZooKeeperWatcher(new Configuration(TEST_UTIL.getConfiguration()), TestZooKeeper.class.getName(), null);
}

Example 98 with FileWriter

use of java.io.FileWriter in project hive by apache.

the class TestSchemaTool method writeDummyPreUpgradeScript.

/**
   * Write out a dummy pre-upgrade script with given SQL statement.
   */
private String writeDummyPreUpgradeScript(int index, String upgradeScriptName, String sql) throws Exception {
    String preUpgradeScript = "pre-" + index + "-" + upgradeScriptName;
    String dummyPreScriptPath = System.getProperty("test.tmp.dir", "target/tmp") + File.separatorChar + "scripts" + File.separatorChar + "metastore" + File.separatorChar + "upgrade" + File.separatorChar + "derby" + File.separatorChar + preUpgradeScript;
    FileWriter fstream = new FileWriter(dummyPreScriptPath);
    BufferedWriter out = new BufferedWriter(fstream);
    out.write(sql + System.getProperty("line.separator") + ";");
    out.close();
    return preUpgradeScript;
}

Example 99 with FileWriter

use of java.io.FileWriter in project tomcat by apache.

the class TestSendFile method generateFile.

public File generateFile(String dir, String suffix, int size) throws IOException {
    String name = "testSendFile-" + System.currentTimeMillis() + suffix + ".txt";
    File f = new File(dir, name);
    try (FileWriter fw = new FileWriter(f, false);
        BufferedWriter w = new BufferedWriter(fw)) {
        int defSize = 8192;
        while (size > 0) {
            int bytes = Math.min(size, defSize);
            char[] b = new char[bytes];
            Arrays.fill(b, 'X');
            w.write(b);
            size = size - bytes;
        }
        w.flush();
    }
    System.out.println("Created file:" + f.getAbsolutePath() + " with " + f.length() + " bytes.");
    return f;
}

Example 100 with FileWriter

use of java.io.FileWriter in project zeppelin by apache.

the class PigInterpreterTezTest method testIncludeJobStats.

@Test
public void testIncludeJobStats() throws IOException {
    setUpTez(true);
    String content = "1\tandy\n" + "2\tpeter\n";
    File tmpFile = File.createTempFile("zeppelin", "test");
    FileWriter writer = new FileWriter(tmpFile);
    IOUtils.write(content, writer);
    writer.close();
    // simple pig script using dump
    String pigscript = "a = load '" + tmpFile.getAbsolutePath() + "';" + "dump a;";
    InterpreterResult result = pigInterpreter.interpret(pigscript, context);
    assertEquals(Type.TEXT, result.message().get(0).getType());
    assertEquals(Code.SUCCESS, result.code());
    assertTrue(result.message().get(0).getData().contains("Vertex Stats"));
    assertTrue(result.message().get(0).getData().contains("(1,andy)\n(2,peter)"));
    // describe
    pigscript = "a = load '" + tmpFile.getAbsolutePath() + "' as (id: int, name: bytearray);" + "describe a;";
    result = pigInterpreter.interpret(pigscript, context);
    assertEquals(Type.TEXT, result.message().get(0).getType());
    assertEquals(Code.SUCCESS, result.code());
    // no job is launched, so no jobStats
    assertTrue(!result.message().get(0).getData().contains("Vertex Stats"));
    assertTrue(result.message().get(0).getData().contains("a: {id: int,name: bytearray}"));
    // syntax error (compilation error)
    pigscript = "a = loa '" + tmpFile.getAbsolutePath() + "';" + "describe a;";
    result = pigInterpreter.interpret(pigscript, context);
    assertEquals(Type.TEXT, result.message().get(0).getType());
    assertEquals(Code.ERROR, result.code());
    // no job is launched, so no jobStats
    assertTrue(!result.message().get(0).getData().contains("Vertex Stats"));
    assertTrue(result.message().get(0).getData().contains("Syntax error, unexpected symbol at or near 'a'"));
    // execution error
    pigscript = "a = load 'invalid_path';" + "dump a;";
    result = pigInterpreter.interpret(pigscript, context);
    assertEquals(Type.TEXT, result.message().get(0).getType());
    assertEquals(Code.ERROR, result.code());
    assertTrue(!result.message().get(0).getData().contains("Vertex Stats"));
    assertTrue(result.message().get(0).getData().contains("Input path does not exist"));
}