Example usage for java.nio.file StandardOpenOption APPEND

List of usage examples for java.nio.file StandardOpenOption APPEND

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Introduction

In this page you can find the example usage for java.nio.file StandardOpenOption APPEND.

Prototype

StandardOpenOption APPEND

To view the source code for java.nio.file StandardOpenOption APPEND.

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Document

If the file is opened for #WRITE access then bytes will be written to the end of the file rather than the beginning.

Usage

From source file:Test.java

License:asdf

public static void main(String[] args) throws IOException {
    String newName = "asdf";
    Path file = Paths.get("/users.txt");
    try (BufferedWriter writer = Files.newBufferedWriter(file, Charset.defaultCharset(),
            StandardOpenOption.APPEND)) {
        writer.newLine();//from ww  w .jav a  2  s. co  m
        writer.write(newName, 0, newName.length());
    }

}

From source file:Test.java

License:asdf

public static void main(String[] args) throws IOException {
    Path path = Paths.get("/users.txt");

    final String newLine = System.getProperty("line.separator");
    try (SeekableByteChannel sbc = Files.newByteChannel(path, StandardOpenOption.APPEND)) {
        String output = newLine + "asdf" + newLine;
        ByteBuffer buffer = ByteBuffer.wrap(output.getBytes());
        sbc.write(buffer);/*from   w w  w  .j  a  v a 2s  . c om*/
    }

}

From source file:Main.java

public static void main(String[] args) {

    Path wiki_path = Paths.get("C:/tutorial/wiki", "wiki.txt");

    Charset charset = Charset.forName("UTF-8");
    String text = "\nfrom java2s.com!";
    try (BufferedWriter writer = Files.newBufferedWriter(wiki_path, charset, StandardOpenOption.APPEND)) {
        writer.write(text);/*from w w  w  .ja  v a 2  s. c om*/
    } catch (IOException e) {
        System.err.println(e);
    }
}

From source file:Main.java

public static void main(String[] args) throws IOException {
    Path path = Paths.get("/users.txt");
    byte[] contents = Files.readAllBytes(path);

    Path newPath = Paths.get("/newUsers.txt");
    byte[] newContents = "aaa".getBytes();
    Files.write(newPath, contents, StandardOpenOption.CREATE);
    Files.write(newPath, newContents, StandardOpenOption.APPEND);
}

From source file:Main.java

public static void main(String[] args) {
    Path myText_path = Paths.get("C:/tutorial/wiki", "wiki.txt");
    Charset charset = Charset.forName("UTF-8");
    ArrayList<String> lines = new ArrayList<>();
    lines.add("\n");
    lines.add("tutorial");

    try {/*from   www.  j a va2  s .com*/
        Files.write(myText_path, lines, charset, StandardOpenOption.APPEND);
    } catch (IOException e) {
        System.err.println(e);
    }

}

From source file:Test.java

public static void main(String[] args) throws IOException {
    Path file = Paths.get("/home/docs/users.txt");
    Path newFile = Paths.get("/home/docs/newUsers.txt");
    try (InputStream in = Files.newInputStream(file);
            OutputStream out = Files.newOutputStream(newFile, StandardOpenOption.CREATE,
                    StandardOpenOption.APPEND)) {
        int data = in.read();
        while (data != -1) {
            out.write(data);/*from  ww  w  . j  a  va 2 s  . c  o m*/
            data = in.read();
        }
    }

}

From source file:net.cloudkit.enterprises.ws.SuperPassQueryTest.java

public static void main(String[] args) throws Exception {

    List<String> params = new ArrayList<>();
    // System.out.println(SuperPassQueryTest.class.getResource("/list.dat").toURI());
    Path path = Paths.get(SuperPassQueryTest.class.getResource("/list.dat").toURI());
    try (BufferedReader reader = Files.newBufferedReader(path, Charset.forName("UTF-8"))) {
        // System.out.println(reader.readLine().length());
        String line;// w w  w .j  a v a 2 s.c  o  m
        while ((line = reader.readLine()) != null) {
            // System.out.println("TEXT LINE:" + line);
            params.add(line);
        }
    }

    Path succeededFile = Paths.get(SuperPassQueryTest.class.getResource("/succeeded.dat").toURI());
    BufferedWriter succeededWriter = Files.newBufferedWriter(succeededFile, StandardCharsets.UTF_8,
            StandardOpenOption.APPEND);
    Path failedFile = Paths.get(SuperPassQueryTest.class.getResource("/failed.dat").toURI());
    BufferedWriter failedWriter = Files.newBufferedWriter(failedFile, StandardCharsets.UTF_8,
            StandardOpenOption.APPEND);

    for (String param : params) {
        try {
            /*
            StringTokenizer stringTokenizer = new StringTokenizer(param, ",");
            while(stringTokenizer.hasMoreTokens()){
            System.out.println("COUNT:" + stringTokenizer.countTokens());
            System.out.println("VALUE:" + stringTokenizer.nextToken());
            System.out.println("COUNT:" + stringTokenizer.countTokens());
            }
            */

            System.out.println("QUERY PARAMS:" + param);
            String[] paramArray = param.split(",");
            // System.out.println("VALUE:" + paramArray[0]);
            // System.out.println("VALUE:" + paramArray[1]);
            // System.out.println("VALUE:" + paramArray[2]);

            String value_1 = paramArray[0];
            String value_2 = paramArray[1];
            String value_3 = paramArray[2];

            String serviceName = "eport.superpass.spdec.DecQueryListService";
            byte[] requestContext = ("<?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"yes\"?>\n"
                    + "<RequestContext>\n" + "    <Group name=\"SystemInfo\">\n"
                    + "        <Key name=\"NAME_FULL\">???</Key>\n"
                    + "        <Key name=\"ClientId\">5300001976914</Key>\n"
                    + "        <Key name=\"CertNo\">df630b</Key>\n"
                    + "        <Key name=\"SaicSysNo\">766350979</Key>\n"
                    + "        <Key name=\"DEP_IN_CODE\">5300</Key>\n"
                    + "        <Key name=\"REG_CO_CGAC\">4403180237</Key>\n"
                    + "        <Key name=\"ENT_SEQ_NO\">000000000000315537</Key>\n"
                    + "        <Key name=\"ENT_TYPE\">3</Key>\n"
                    + "        <Key name=\"IcCode\">8930000011040</Key>\n"
                    + "        <Key name=\"OperatorName\">?</Key>\n"
                    + "        <Key name=\"DEP_CODE_CHG\">5305</Key>\n"
                    + "        <Key name=\"SessionId\">AE2533938D521A9972186B07BBBEB244</Key>\n"
                    + "    </Group>\n" + "    <Group name=\"DataPresentation\">\n"
                    + "        <Key name=\"SignatureAlgorithm\"/>\n"
                    + "        <Key name=\"EncryptAlgorithm\"/>\n"
                    + "        <Key name=\"CompressAlgorithm\"/>\n" + "    </Group>\n"
                    + "    <Group name=\"Default\">\n"
                    + "        <Key name=\"clientSystemId\">0400620001</Key>\n"
                    + "        <Key name=\"needWebInvoke\">True</Key>\n" + "    </Group>\n"
                    + "</RequestContext>").getBytes();

            byte[] requestData = ("<?xml version=\"1.0\"?>\n"
                    + "<DecQueryListRequest xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\">\n"
                    + "  <OperType>0</OperType>\n" + "  <DecType>\n" + "    <TrnType>0</TrnType>\n"
                    + "    <IEFlag>" + value_3 + "</IEFlag>\n" + "    <DecSubType />\n" + "  </DecType>\n"
                    + "  <CopeCode>766350979</CopeCode>\n" + "  <AgentCode>4403180237</AgentCode>\n"
                    + "  <SeqNo>" + value_1 + "</SeqNo>\n" + "  <UserType>0</UserType>\n"
                    + "</DecQueryListRequest>").getBytes();

            Holder<byte[]> responseData = new Holder<>();

            // <?xml version="1.0" encoding="UTF-8" standalone="no"?><ResponseContext><ResponseCode>0</ResponseCode><ResponseMessage>success</ResponseMessage><ServiceResponseCode>0</ServiceResponseCode><ServiceResponseMessage>?</ServiceResponseMessage><ExceptionDetail/><Group name="DataPresentation"><Key name="CompressAlgorithm"/><Key name="SignatureAlgorithm"/><Key name="EncryptAlgorithm"/></Group></ResponseContext>
            // <?xml version="1.0" encoding="UTF-8" standalone="yes"?><DecQueryListResponse><QueryResponseData><EntryId>531820161181010544</EntryId><SeqNo>000000001139524197</SeqNo><BillNo>2016051920160523</BillNo><IEDate>20160621</IEDate><TradeMode>0615</TradeMode><ItemsNum>19</ItemsNum><TrafName></TrafName><Status>O</Status><AgentName>???</AgentName><IEFlag>I</IEFlag><CustomsCode>5318</CustomsCode><DeclTrnRel>0</DeclTrnRel><RetExplain>;?</RetExplain><NoticeDate>2016-06-29</NoticeDate><TradeName>()??</TradeName><ExtendField><DecDeclareSysType>2</DecDeclareSysType><TrnSysType>1</TrnSysType><AssureExamRet>0</AssureExamRet><RelatedDocumentType>  </RelatedDocumentType><DeclareSeqNo>                  </DeclareSeqNo><ExtendField53>P</ExtendField53><ExtendField>21                                                   P</ExtendField></ExtendField><EntryType>M</EntryType></QueryResponseData></DecQueryListResponse>
            // String responseContext = "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?><ResponseContext><ResponseCode>0</ResponseCode><ResponseMessage>success</ResponseMessage><ServiceResponseCode>0</ServiceResponseCode><ServiceResponseMessage>?</ServiceResponseMessage><ExceptionDetail/><Group name=\"DataPresentation\"><Key name=\"CompressAlgorithm\"/><Key name=\"SignatureAlgorithm\"/><Key name=\"EncryptAlgorithm\"/></Group></ResponseContext>";
            // String queryListResponse = "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?><DecQueryListResponse><QueryResponseData><EntryId>531820161181010544</EntryId><SeqNo>000000001139524197</SeqNo><BillNo>2016051920160523</BillNo><IEDate>20160621</IEDate><TradeMode>0615</TradeMode><ItemsNum>19</ItemsNum><TrafName></TrafName><Status>O</Status><AgentName>???</AgentName><IEFlag>I</IEFlag><CustomsCode>5318</CustomsCode><DeclTrnRel>0</DeclTrnRel><RetExplain>;?</RetExplain><NoticeDate>2016-06-29</NoticeDate><TradeName>()??</TradeName><ExtendField><DecDeclareSysType>2</DecDeclareSysType><TrnSysType>1</TrnSysType><AssureExamRet>0</AssureExamRet><RelatedDocumentType>  </RelatedDocumentType><DeclareSeqNo>                  </DeclareSeqNo><ExtendField53>P</ExtendField53><ExtendField>21                                                   P</ExtendField></ExtendField><EntryType>M</EntryType></QueryResponseData></DecQueryListResponse>";

            String responseContext = new String(
                    superPass.service(serviceName, requestContext, requestData, responseData));
            String queryListResponse = new String(responseData.value);
            System.out.println("RESPONSE_CONTEXT:" + responseContext);
            System.out.println("QUERY_LIST_RESPONSE:" + queryListResponse);

            String serviceResponseCode = parsingReceiptStatus(responseContext);
            System.out.println("SERVICE_RESPONSE_CODE:" + serviceResponseCode);
            if (serviceResponseCode.equals("0")) {
                String data = parsingReceiptData(queryListResponse);
                System.out.println("DATA:" + data);
                succeededWriter.write(data);
                succeededWriter.flush();
            } else {
                failedWriter.write(param + "\n");
                failedWriter.flush();
            }
            Thread.sleep(6 * 1000);
        } catch (Exception e) {
            failedWriter.write(param + "\n");
            failedWriter.flush();
        }
    }
    succeededWriter.close();
    failedWriter.close();
}

From source file:sadl.run.pipelines.Pipeline.java

/**
 * @param args/*  ww  w .  ja v a  2  s.  c  om*/
 * @throws IOException
 * @throws InterruptedException
 */
public static void main(String[] args) throws IOException, InterruptedException {
    if (abort) {
        throw new UnsupportedOperationException(
                "This class is no longer supported! Use SADL main class with smac command");
    }
    final Pipeline sp = new Pipeline();
    final JCommander jc = new JCommander(sp);
    if (args.length != 1) {
        logger.error("Please provide the following inputs: [configFile]");
        jc.usage();
        System.exit(1);
    }
    jc.parse(args);
    MasterSeed.setSeed(sp.seed);

    try {
        boolean fileExisted = true;
        final ExperimentResult result = sp.run();
        final Path resultPath = Paths.get("result.csv");
        if (!Files.exists(resultPath)) {
            Files.createFile(resultPath);
            fileExisted = false;
        }
        final DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

        try (BufferedWriter bw = Files.newBufferedWriter(resultPath, StandardCharsets.UTF_8,
                StandardOpenOption.APPEND)) {
            if (!fileExisted) {
                bw.append(ExperimentResult.CsvHeader());
                bw.append('\n');
            }
            bw.append(df.format(new Date()));
            bw.append(" ; ");
            bw.append(Arrays.toString(args));
            bw.append("; ");
            bw.append(result.toCsvString());
            bw.append('\n');
        }

        System.exit(0);
    } catch (final Exception e) {
        logger.error("Unexpected exception with parameters" + Arrays.toString(args), e);
        throw e;
    }
}

From source file:sadl.run.pipelines.NewSmacPipeline.java

/**
 * @param args/* w ww.  jav  a  2  s .  c  om*/
 * @throws IOException
 * @throws InterruptedException
 */
public static void main(String[] args) throws IOException, InterruptedException {
    if (abort) {
        throw new UnsupportedOperationException(
                "This class is no longer supported! Use SADL main class with smac command");
    }
    final NewSmacPipeline sp = new NewSmacPipeline();
    final JCommander jc = new JCommander(sp);
    if (args.length < 4) {
        logger.error(
                "Please provide the following inputs: [inputFile] 1 1 [Random Seed] [Parameter Arguments..]");
        jc.usage();
        System.exit(1);
    }
    jc.parse(args);
    sp.dataString = args[0];
    logger.info("Running Generic Pipeline with args" + Arrays.toString(args));
    MasterSeed.setSeed(Long.parseLong(args[3]));

    try {
        boolean fileExisted = true;
        final ExperimentResult result = sp.run();
        final Path resultPath = Paths.get("result.csv");
        if (!Files.exists(resultPath)) {
            Files.createFile(resultPath);
            fileExisted = false;
        }
        final DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

        try (BufferedWriter bw = Files.newBufferedWriter(resultPath, StandardCharsets.UTF_8,
                StandardOpenOption.APPEND)) {
            if (!fileExisted) {
                bw.append(ExperimentResult.CsvHeader());
                bw.append('\n');
            }
            bw.append(df.format(new Date()));
            bw.append(" ; ");
            bw.append(Arrays.toString(args));
            bw.append("; ");
            bw.append(result.toCsvString());
            bw.append('\n');
        }

        System.exit(0);
    } catch (final Exception e) {
        logger.error("Unexpected exception with parameters" + Arrays.toString(args), e);
        throw e;
    }
}

From source file:de.upb.timok.run.GenericSmacPipeline.java

/**
 * @param args/* www  .  j ava2 s .c  o m*/
 * @throws IOException
 * @throws InterruptedException
 */
public static void main(String[] args) throws IOException, InterruptedException {
    final GenericSmacPipeline sp = new GenericSmacPipeline();
    final JCommander jc = new JCommander(sp);
    System.out.println(Arrays.toString(args));
    if (args.length < 4) {
        logger.error(
                "Please provide the following inputs: [inputFile] 1 1 [Random Seed] [Parameter Arguments..]");
        jc.usage();
        System.exit(1);
    }
    jc.parse(args);
    sp.dataString = args[0];
    logger.info("Running Generic Pipeline with args" + Arrays.toString(args));
    MasterSeed.setSeed(Long.parseLong(args[3]));

    // try {
    final PdttaExperimentResult result = sp.run();
    final Path resultPath = Paths.get("result.csv");
    if (!Files.exists(resultPath)) {
        Files.createFile(resultPath);
    }
    try (BufferedWriter bw = Files.newBufferedWriter(resultPath, StandardCharsets.UTF_8,
            StandardOpenOption.APPEND)) {
        bw.append(Arrays.toString(args) + "; " + result.toCsvString());
        bw.append('\n');
    }

    System.exit(0);
    // } catch (Exception e) {
    // logger.error("Unexpected exception with parameters" + Arrays.toString(args), e);
    // throw e;
    // }
}