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

Example 26 with Writer

use of java.io.Writer in project hadoop by apache.

the class TestLdapGroupsMapping method testExtractPassword.

@Test
public void testExtractPassword() throws IOException {
    File testDir = GenericTestUtils.getTestDir();
    testDir.mkdirs();
    File secretFile = new File(testDir, "secret.txt");
    Writer writer = new FileWriter(secretFile);
    writer.write("hadoop");
    writer.close();
    LdapGroupsMapping mapping = new LdapGroupsMapping();
    Assert.assertEquals("hadoop", mapping.extractPassword(secretFile.getPath()));
}

Example 27 with Writer

use of java.io.Writer in project hadoop by apache.

the class TestBadRecords method createInput.

private void createInput() throws Exception {
    OutputStream os = getFileSystem().create(new Path(getInputDir(), "text.txt"));
    Writer wr = new OutputStreamWriter(os);
    for (String inp : input) {
        wr.write(inp + "\n");
    }
    wr.close();
}

Example 28 with Writer

use of java.io.Writer in project hadoop by apache.

the class RumenToSLSConverter method generateSLSLoadFile.

private static void generateSLSLoadFile(String inputFile, String outputFile) throws IOException {
    try (Reader input = new InputStreamReader(new FileInputStream(inputFile), "UTF-8")) {
        try (Writer output = new OutputStreamWriter(new FileOutputStream(outputFile), "UTF-8")) {
            ObjectMapper mapper = new ObjectMapper();
            ObjectWriter writer = mapper.writerWithDefaultPrettyPrinter();
            Iterator<Map> i = mapper.readValues(new JsonFactory().createParser(input), Map.class);
            while (i.hasNext()) {
                Map m = i.next();
                output.write(writer.writeValueAsString(createSLSJob(m)) + EOL);
            }
        }
    }
}

Example 29 with Writer

use of java.io.Writer in project hadoop by apache.

the class RumenToSLSConverter method generateSLSNodeFile.

@SuppressWarnings("unchecked")
private static void generateSLSNodeFile(String outputFile) throws IOException {
    try (Writer output = new OutputStreamWriter(new FileOutputStream(outputFile), "UTF-8")) {
        ObjectMapper mapper = new ObjectMapper();
        ObjectWriter writer = mapper.writerWithDefaultPrettyPrinter();
        for (Map.Entry<String, Set<String>> entry : rackNodeMap.entrySet()) {
            Map rack = new LinkedHashMap();
            rack.put("rack", entry.getKey());
            List nodes = new ArrayList();
            for (String name : entry.getValue()) {
                Map node = new LinkedHashMap();
                node.put("node", name);
                nodes.add(node);
            }
            rack.put("nodes", nodes);
            output.write(writer.writeValueAsString(rack) + EOL);
        }
    }
}

Example 30 with Writer

use of java.io.Writer in project hadoop by apache.

the class TestTaskLogAppender method testTaskLogAppender.

/**
 * test TaskLogAppender 
 */
@SuppressWarnings("deprecation")
@Test(timeout = 5000)
public void testTaskLogAppender() {
    TaskLogAppender appender = new TaskLogAppender();
    System.setProperty(TaskLogAppender.TASKID_PROPERTY, "attempt_01_02_m03_04_001");
    System.setProperty(TaskLogAppender.LOGSIZE_PROPERTY, "1003");
    appender.activateOptions();
    assertEquals(appender.getTaskId(), "attempt_01_02_m03_04_001");
    assertEquals(appender.getTotalLogFileSize(), 1000);
    assertEquals(appender.getIsCleanup(), false);
    // test writer   
    Writer writer = new StringWriter();
    appender.setWriter(writer);
    Layout layout = new PatternLayout("%-5p [%t]: %m%n");
    appender.setLayout(layout);
    Category logger = Logger.getLogger(getClass().getName());
    LoggingEvent event = new LoggingEvent("fqnOfCategoryClass", logger, Priority.INFO, "message", new Throwable());
    appender.append(event);
    appender.flush();
    appender.close();
    assertTrue(writer.toString().length() > 0);
    // test cleanup should not changed 
    appender = new TaskLogAppender();
    appender.setIsCleanup(true);
    appender.activateOptions();
    assertEquals(appender.getIsCleanup(), true);
}