Example usage for java.io FileWriter append

Introduction

In this page you can find the example usage for java.io FileWriter append.

Prototype

@Override
    public Writer append(CharSequence csq) throws IOException 

Source Link

Usage

From source file:de.tudarmstadt.dvs.myhealthassistant.myhealthhub.fragments.EventGeneratorFragment.java

private void writeStringToLogDelivery(String text) {
    File root = Environment.getExternalStorageDirectory();
    File file = new File(root, "EventGeneratorLogDelivery.txt");
    try {/*from   w ww  .j  a  va 2s  . c  om*/
        if (!file.exists())
            file.createNewFile();
        FileWriter filewriter = new FileWriter(file, true);
        filewriter.append(text);
        filewriter.close();
    } catch (IOException e) {
        Toast.makeText(getActivity().getApplicationContext(), "Unable to write file: " + e.toString(),
                Toast.LENGTH_SHORT).show();
        e.printStackTrace();
    }
}

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From source file:org.shareok.data.documentProcessor.CsvHandler.java

public void writeCsvLine(FileWriter w, List<String> values) throws IOException {

    boolean first = true;

    StringBuilder sb = new StringBuilder();
    for (String value : values) {
        if (!first) {
            sb.append(DEFAULT_SEPARATOR);
        }/*from  w  ww. ja  v a  2  s .co m*/
        sb.append(followCVSformat(value));

        first = false;
    }
    sb.append("\n");
    w.append(sb.toString());
}

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From source file:dk.netarkivet.archive.arcrepositoryadmin.ReplicaCacheDatabaseTester.java

License:asdf

private File makeTemporaryChecksumFile1() throws Exception {
    File res = new File(TestInfo.TEST_DIR, "checksum_1.out");
    FileWriter fw = new FileWriter(res);

    StringBuilder fileContent = new StringBuilder();
    fileContent.append("TEST1##1234567890");
    fileContent.append("\n");
    fileContent.append("TEST2##0987654321");
    fileContent.append("\n");
    fileContent.append("TEST3##1029384756");
    fileContent.append("\n");
    fileContent.append("TEST4##0192837465");

    fw.append(fileContent.toString());
    fw.flush();//from  w ww.  ja v a  2  s .c  om
    fw.close();

    return res;
}

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From source file:dk.netarkivet.archive.arcrepositoryadmin.ReplicaCacheDatabaseTester.java

License:asdf

private File makeTemporaryChecksumFile2() throws Exception {
    File res = new File(TestInfo.TEST_DIR, "checksum_2.out");
    FileWriter fw = new FileWriter(res);

    StringBuilder fileContent = new StringBuilder();
    fileContent.append("TEST1##ABCDEFGHIJ");
    fileContent.append("\n");
    fileContent.append("TEST2##JIHGFEDCBA");
    fileContent.append("\n");
    fileContent.append("TEST3##AJIBHCGDFE");
    fileContent.append("\n");
    fileContent.append("TEST4##JABICHDGEF");

    fw.append(fileContent.toString());
    fw.flush();//  w w w . j  a  va2 s  .c  o  m
    fw.close();

    return res;
}

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From source file:org.apache.oozie.service.TestZKXLogStreamingService.java

public void testStreamingWithMultipleOozieServers() throws Exception {
    XLogFilter.reset();//from  w ww.ja  v  a  2 s  .  co m
    XLogFilter.defineParameter("USER");
    XLogFilter.defineParameter("GROUP");
    XLogFilter.defineParameter("TOKEN");
    XLogFilter.defineParameter("APP");
    XLogFilter.defineParameter("JOB");
    XLogFilter.defineParameter("ACTION");
    XLogFilter xf = new XLogFilter();
    xf.setParameter("JOB", "0000003-130610102426873-oozie-rkan-W");
    xf.setLogLevel("WARN|INFO");
    File log4jFile = new File(getTestCaseConfDir(), "test-log4j.properties");
    ClassLoader cl = Thread.currentThread().getContextClassLoader();
    InputStream is = cl.getResourceAsStream("test-no-dash-log4j.properties");
    Properties log4jProps = new Properties();
    log4jProps.load(is);
    // prevent conflicts with other tests by changing the log file location
    log4jProps.setProperty("log4j.appender.oozie.File", getTestCaseDir() + "/oozie.log");
    log4jProps.store(new FileOutputStream(log4jFile), "");
    setSystemProperty(XLogService.LOG4J_FILE, log4jFile.getName());
    assertFalse(doStreamDisabledCheck());
    File logFile = new File(Services.get().get(XLogService.class).getOozieLogPath(),
            Services.get().get(XLogService.class).getOozieLogName());
    logFile.getParentFile().mkdirs();
    FileWriter logWriter = new FileWriter(logFile);
    // local logs
    logWriter.append(
            "2013-06-10 10:25:44,008 WARN HiveActionExecutor:542 SERVER[foo] USER[rkanter] GROUP[-] TOKEN[] "
                    + "APP[hive-wf] JOB[0000003-130610102426873-oozie-rkan-W] ACTION[0000003-130610102426873-oozie-rkan-W@hive-node] "
                    + "credentials is null for the action _L3_")
            .append("\n")
            .append("2013-06-10 10:26:10,008 INFO HiveActionExecutor:539 SERVER[foo] USER[rkanter] GROUP[-] TOKEN[] "
                    + "APP[hive-wf] JOB[0000003-130610102426873-oozie-rkan-W] ACTION[0000003-130610102426873-oozie-rkan-W@hive-node] "
                    + "action completed, external ID [job_201306101021_0005] _L4_")
            .append("\n")
            .append("2013-06-10 10:26:10,341 WARN ActionStartXCommand:542 USER[rkanter] GROUP[-] TOKEN[] "
                    + "APP[hive-wf] JOB[0000003-130610102426873-oozie-rkan-W] ACTION[0000003-130610102426873-oozie-rkan-W@end] "
                    + "[***0000003-130610102426873-oozie-rkan-W@end***]Action updated in DB! _L6_")
            .append("\n");
    logWriter.close();
    // logs to be returned by another "Oozie server"
    DummyLogStreamingServlet.logs = "2013-06-10 10:25:43,575 WARN ActionStartXCommand:542 SERVER[foo] USER[rkanter] GROUP[-] TOKEN[] APP[hive-wf] "
            + "JOB[0000003-130610102426873-oozie-rkan-W] ACTION[0000003-130610102426873-oozie-rkan-W@:start:] "
            + "[***0000003-130610102426873-oozie-rkan-W@:start:***]Action status=DONE _L1_" + "\n"
            + "2013-06-10 10:25:43,575 WARN ActionStartXCommand:542 SERVER[foo] USER[rkanter] GROUP[-] TOKEN[] APP[hive-wf] "
            + "JOB[0000003-130610102426873-oozie-rkan-W] ACTION[0000003-130610102426873-oozie-rkan-W@:start:] "
            + "[***0000003-130610102426873-oozie-rkan-W@:start:***]Action updated in DB! _L2_" + "\n"
            + "2013-06-10 10:26:10,148 INFO HiveActionExecutor:539 SERVER[foo] USER[rkanter] GROUP[-] TOKEN[] APP[hive-wf] "
            + "JOB[0000003-130610102426873-oozie-rkan-W] ACTION[0000003-130610102426873-oozie-rkan-W@hive-node] action produced"
            + " output _L5_" + "\n"
            // a multiline message with a stack trace
            + "2013-06-10 10:26:30,202  WARN ActionStartXCommand:542 - SERVER[foo] USER[rkanter] GROUP[-] TOKEN[] APP[hive-wf] "
            + "JOB[0000003-130610102426873-oozie-rkan-W] ACTION[0000003-130610102426873-oozie-rkan-W@hive-node] Error starting "
            + "action [hive-node]. ErrorType [TRANSIENT], ErrorCode [JA009], Message [JA009: java.io.IOException: Unknown "
            + "protocol to name node: org.apache.hadoop.mapred.JobSubmissionProtocol _L7_\n"
            + "     at org.apache.hadoop.hdfs.server.namenode.NameNode.getProtocolVersion(NameNode.java:156) _L8_\n"
            + "     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)_L9_\n"
            + "     at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1190) _L10_\n"
            + "     at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1426) _L11_\n" + "] _L12_\n"
            + "org.apache.oozie.action.ActionExecutorException: JA009: java.io.IOException: Unknown protocol to name node: "
            + "org.apache.hadoop.mapred.JobSubmissionProtocol _L13_\n"
            + "     at org.apache.hadoop.hdfs.server.namenode.NameNode.getProtocolVersion(NameNode.java:156) _L14_\n"
            + "     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) _L15_\n"
            + "     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) _L16_\n";

    String out = doStreamLog(xf);
    String[] outArr = out.split("\n");
    assertEquals(3, outArr.length);
    assertFalse(out.contains("_L1_"));
    assertFalse(out.contains("_L2_"));
    assertTrue(outArr[0].contains("_L3_"));
    assertTrue(outArr[1].contains("_L4_"));
    assertFalse(out.contains("_L5_"));
    assertTrue(outArr[2].contains("_L6_"));

    // We'll use a DummyZKOozie to create an entry in ZK and then set its url to an (unrelated) servlet that will simply return
    // some log messages
    DummyZKOozie dummyOozie = null;
    EmbeddedServletContainer container = new EmbeddedServletContainer("oozie");
    container.addServletEndpoint("/other-oozie-server/*", DummyLogStreamingServlet.class);
    try {
        container.start();
        dummyOozie = new DummyZKOozie("9876", container.getServletURL("/other-oozie-server/*"));

        DummyLogStreamingServlet.lastQueryString = null;
        out = doStreamLog(xf);
        outArr = out.split("\n");
        assertEquals(16, outArr.length);
        assertTrue(outArr[0].contains("_L1_"));
        assertTrue(outArr[1].contains("_L2_"));
        assertTrue(outArr[2].contains("_L3_"));
        assertTrue(outArr[3].contains("_L4_"));
        assertTrue(outArr[4].contains("_L5_"));
        assertTrue(outArr[5].contains("_L6_"));
        assertTrue(outArr[6].contains("_L7_"));
        assertTrue(outArr[7].contains("_L8_"));
        assertTrue(outArr[8].contains("_L9_"));
        assertTrue(outArr[9].contains("_L10_"));
        assertTrue(outArr[10].contains("_L11_"));
        assertTrue(outArr[11].contains("_L12_"));
        assertTrue(outArr[12].contains("_L13_"));
        assertTrue(outArr[13].contains("_L14_"));
        assertTrue(outArr[14].contains("_L15_"));
        assertTrue(outArr[15].contains("_L16_"));
        assertEquals("show=log&allservers=false", DummyLogStreamingServlet.lastQueryString);

        // If we stop the container but leave the DummyZKOozie running, it will simulate if that server is down but still has
        // info in ZK; we should be able to get the logs from other servers (in this case, this server) and a message about
        // which servers it couldn't reach
        container.stop();
        out = doStreamLog(xf);
        outArr = out.split("\n");
        assertEquals(6, outArr.length);
        assertTrue(outArr[0].startsWith("Unable"));
        assertEquals("9876", outArr[1].trim());
        assertEquals("", outArr[2]);
        assertFalse(out.contains("_L1_"));
        assertFalse(out.contains("_L2_"));
        assertTrue(outArr[3].contains("_L3_"));
        assertTrue(outArr[4].contains("_L4_"));
        assertFalse(out.contains("_L5_"));
        assertTrue(outArr[5].contains("_L6_"));
    } finally {
        if (dummyOozie != null) {
            dummyOozie.teardown();
        }
        container.stop();
    }
}

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From source file:org.ala.spatial.util.AnalysisJobMaxent.java

private void writeToFile(String text, String filename) {
    try {//from   w  ww .  j a v  a2  s  .  c om
        FileWriter fw = new FileWriter(filename);
        fw.append(text);
        fw.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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From source file:ml.shifu.shifu.core.processor.ComboModelProcessor.java

/**
 * Create configuration file for sub-model
 * if the configuration for parent model exists, it will copy that parent configuration firstly
 * and append new content.//w w w  .  j a  v a 2 s .c  o  m
 *
 * @param subModelName    sub model name
 * @param namesPrefix     prefix of name
 * @param parentNamesFile parent names of files
 * @param varNames        var names
 * @return model file name
 * @throws IOException any io exception
 */
private String createModelNamesFile(String subModelName, String namesPrefix, String parentNamesFile,
        String... varNames) throws IOException {
    String modelNamesCfg = namesPrefix + ".names";
    File mnFile = new File(subModelName + File.separator + modelNamesCfg);

    // copy existing meta file
    if (StringUtils.isNotBlank(parentNamesFile)) {
        FileUtils.copyFile(new File(parentNamesFile), mnFile);
    }

    // append uid column as meta
    FileWriter writer = new FileWriter(mnFile);
    try {
        for (String var : varNames) {
            writer.append(var + "\n");
        }
    } catch (IOException e) {
        // skip it
    } finally {
        writer.close();
    }

    return modelNamesCfg;
}

---

From source file:dk.netarkivet.archive.arcrepositoryadmin.ReplicaCacheDatabaseTester.java

License:asdf

private File makeTemporaryDuplicateFilelistFile() throws Exception {
    File res = new File(TestInfo.TEST_DIR, "filelist.out");
    FileWriter fw = new FileWriter(res);

    StringBuilder fileContent = new StringBuilder();
    fileContent.append("TEST1");
    fileContent.append("\n");
    fileContent.append("TEST2");
    fileContent.append("\n");
    fileContent.append("TEST1");
    fileContent.append("\n");
    fileContent.append("TEST3");
    fileContent.append("\n");
    fileContent.append("TEST1");
    fileContent.append("\n");

    fw.append(fileContent.toString());
    fw.flush();/*  w  w w  . ja v  a 2 s . c o  m*/
    fw.close();

    return res;
}

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From source file:org.apache.accumulo.minicluster.impl.MiniAccumuloClusterImpl.java

private void writeConfig(File file, Iterable<Map.Entry<String, String>> settings) throws IOException {
    FileWriter fileWriter = new FileWriter(file);
    fileWriter.append("<configuration>\n");

    for (Entry<String, String> entry : settings) {
        String value = entry.getValue().replace("&", "&amp;").replace("<", "&lt;").replace(">", "&gt;");
        fileWriter.append(//from  ww w .ja va2  s.c o  m
                "<property><name>" + entry.getKey() + "</name><value>" + value + "</value></property>\n");
    }
    fileWriter.append("</configuration>\n");
    fileWriter.close();
}

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