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

Example 11 with FileReader

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

the class TestFsck method verifyAuditLogs.

private void verifyAuditLogs() throws IOException {
    // Turn off the logs
    Logger logger = ((Log4JLogger) FSNamesystem.auditLog).getLogger();
    logger.setLevel(Level.OFF);
    BufferedReader reader = null;
    try {
        // Audit log should contain one getfileinfo and one fsck
        reader = new BufferedReader(new FileReader(AUDITLOG_FILE));
        String line;
        //
        for (int i = 0; i < 2; i++) {
            line = reader.readLine();
            assertNotNull(line);
            assertTrue("Expected getfileinfo event not found in audit log", GET_FILE_INFO_PATTERN.matcher(line).matches());
        }
        line = reader.readLine();
        assertNotNull(line);
        assertTrue("Expected fsck event not found in audit log", FSCK_PATTERN.matcher(line).matches());
        assertNull("Unexpected event in audit log", reader.readLine());
    } finally {
        // handle after verifying the content of the file.
        if (reader != null) {
            reader.close();
        }
        if (logger != null) {
            logger.removeAllAppenders();
        }
    }
}

Example 12 with FileReader

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

the class TestNativeIO method testSetFilePointer.

@Test(timeout = 30000)
public void testSetFilePointer() throws Exception {
    assumeWindows();
    LOG.info("Set a file pointer on Windows");
    try {
        File testfile = new File(TEST_DIR, "testSetFilePointer");
        assertTrue("Create test subject", testfile.exists() || testfile.createNewFile());
        FileWriter writer = new FileWriter(testfile);
        try {
            for (int i = 0; i < 200; i++) if (i < 100)
                writer.write('a');
            else
                writer.write('b');
            writer.flush();
        } catch (Exception writerException) {
            fail("Got unexpected exception: " + writerException.getMessage());
        } finally {
            writer.close();
        }
        FileDescriptor fd = NativeIO.Windows.createFile(testfile.getCanonicalPath(), NativeIO.Windows.GENERIC_READ, NativeIO.Windows.FILE_SHARE_READ | NativeIO.Windows.FILE_SHARE_WRITE | NativeIO.Windows.FILE_SHARE_DELETE, NativeIO.Windows.OPEN_EXISTING);
        NativeIO.Windows.setFilePointer(fd, 120, NativeIO.Windows.FILE_BEGIN);
        FileReader reader = new FileReader(fd);
        try {
            int c = reader.read();
            assertTrue("Unexpected character: " + c, c == 'b');
        } catch (Exception readerException) {
            fail("Got unexpected exception: " + readerException.getMessage());
        } finally {
            reader.close();
        }
    } catch (Exception e) {
        fail("Got unexpected exception: " + e.getMessage());
    }
}

Example 13 with FileReader

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

the class TestAuditLogs method verifyAuditLogsRepeat.

// Ensure audit log has exactly N entries
private void verifyAuditLogsRepeat(boolean expectSuccess, int ndupe) throws IOException {
    // Turn off the logs
    Logger logger = ((Log4JLogger) FSNamesystem.auditLog).getLogger();
    logger.setLevel(Level.OFF);
    // Close the appenders and force all logs to be flushed
    Enumeration<?> appenders = logger.getAllAppenders();
    while (appenders.hasMoreElements()) {
        Appender appender = (Appender) appenders.nextElement();
        appender.close();
    }
    BufferedReader reader = new BufferedReader(new FileReader(auditLogFile));
    String line = null;
    boolean ret = true;
    try {
        for (int i = 0; i < ndupe; i++) {
            line = reader.readLine();
            assertNotNull(line);
            assertTrue("Expected audit event not found in audit log", auditPattern.matcher(line).matches());
            ret &= successPattern.matcher(line).matches();
        }
        assertNull("Unexpected event in audit log", reader.readLine());
        assertTrue("Expected success=" + expectSuccess, ret == expectSuccess);
    } finally {
        reader.close();
    }
}

Example 14 with FileReader

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

the class TestAuditLogs method verifyAuditLogsCheckPattern.

// Ensure audit log has exactly N entries
private void verifyAuditLogsCheckPattern(boolean expectSuccess, int ndupe, Pattern pattern) throws IOException {
    // Turn off the logs
    Logger logger = ((Log4JLogger) FSNamesystem.auditLog).getLogger();
    logger.setLevel(Level.OFF);
    // Close the appenders and force all logs to be flushed
    Enumeration<?> appenders = logger.getAllAppenders();
    while (appenders.hasMoreElements()) {
        Appender appender = (Appender) appenders.nextElement();
        appender.close();
    }
    BufferedReader reader = new BufferedReader(new FileReader(auditLogFile));
    String line = null;
    boolean ret = true;
    boolean patternMatches = false;
    try {
        for (int i = 0; i < ndupe; i++) {
            line = reader.readLine();
            assertNotNull(line);
            patternMatches |= pattern.matcher(line).matches();
            ret &= successPattern.matcher(line).matches();
        }
        assertNull("Unexpected event in audit log", reader.readLine());
        assertTrue("Expected audit event not found in audit log", patternMatches);
        assertTrue("Expected success=" + expectSuccess, ret == expectSuccess);
    } finally {
        reader.close();
    }
}

Example 15 with FileReader

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

the class SnapshotTestHelper method printFile.

static void printFile(File f) throws IOException {
    System.out.println();
    System.out.println("File: " + f);
    BufferedReader in = new BufferedReader(new FileReader(f));
    try {
        for (String line; (line = in.readLine()) != null; ) {
            System.out.println(line);
        }
    } finally {
        in.close();
    }
}