Example usage for java.io FileWriter FileWriter

Introduction

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

Prototype

public FileWriter(FileDescriptor fd) 

Source Link

Document

Constructs a FileWriter given a file descriptor, using the platform's java.nio.charset.Charset#defaultCharset() default charset .

Usage

From source file:com.devdungeon.httpexamples.DownloadFile.java

private static void download(String url, String filepath) {
    HttpClient client = new DefaultHttpClient();

    HttpParams params = client.getParams();
    HttpConnectionParams.setConnectionTimeout(params, 1000 * 5);
    HttpConnectionParams.setSoTimeout(params, 1000 * 5);

    HttpGet request = new HttpGet(url);

    HttpResponse response = null;// w  ww . ja v  a2 s.c o  m
    try {
        response = client.execute(request);
    } catch (IOException ex) {
        Logger.getLogger(HttpGetExample.class.getName()).log(Level.SEVERE, null, ex);
    }
    BufferedReader rd;
    String line = null;
    try {
        rd = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
        FileWriter fileWriter = new FileWriter(filepath);
        BufferedWriter bufferedWriter = new BufferedWriter(fileWriter);
        while ((line = rd.readLine()) != null) {
            bufferedWriter.write(line);
            bufferedWriter.newLine();
        }
        bufferedWriter.close();

    } catch (IOException ex) {
        Logger.getLogger(HttpGetExample.class.getName()).log(Level.SEVERE, null, ex);
    } catch (UnsupportedOperationException ex) {
        Logger.getLogger(HttpGetExample.class.getName()).log(Level.SEVERE, null, ex);
    }
}

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From source file:edu.cmu.lti.oaqa.knn4qa.apps.ParsedPost.java

public static void main(String args[]) {

    Options options = new Options();

    options.addOption(INPUT_PARAM, null, true, INPUT_DESC);
    options.addOption(OUTPUT_PARAM, null, true, OUTPUT_DESC);
    options.addOption(CommonParams.MAX_NUM_REC_PARAM, null, true, CommonParams.MAX_NUM_REC_DESC);
    options.addOption(DEBUG_PRINT_PARAM, null, false, DEBUG_PRINT_DESC);
    options.addOption(EXCLUDE_CODE_PARAM, null, false, EXCLUDE_CODE_DESC);

    CommandLineParser parser = new org.apache.commons.cli.GnuParser();

    HashMap<String, ParsedPost> hQuestions = new HashMap<String, ParsedPost>();

    try {/*from  ww  w  .j  a va2  s .c  o m*/
        CommandLine cmd = parser.parse(options, args);

        String inputFile = cmd.getOptionValue(INPUT_PARAM);

        if (null == inputFile)
            Usage("Specify: " + INPUT_PARAM, options);

        String outputFile = cmd.getOptionValue(OUTPUT_PARAM);

        if (null == outputFile)
            Usage("Specify: " + OUTPUT_PARAM, options);

        InputStream input = CompressUtils.createInputStream(inputFile);
        BufferedWriter output = new BufferedWriter(new FileWriter(new File(outputFile)));

        int maxNumRec = Integer.MAX_VALUE;

        String tmp = cmd.getOptionValue(CommonParams.MAX_NUM_REC_PARAM);

        if (tmp != null)
            maxNumRec = Integer.parseInt(tmp);

        boolean debug = cmd.hasOption(DEBUG_PRINT_PARAM);

        boolean excludeCode = cmd.hasOption(EXCLUDE_CODE_PARAM);

        System.out.println("Processing at most " + maxNumRec + " records, excluding code? " + excludeCode);

        XmlIterator xi = new XmlIterator(input, ROOT_POST_TAG);

        String elem;

        output.write("<?xml version='1.0' encoding='UTF-8'?><ystfeed>\n");

        for (int num = 1; num <= maxNumRec && !(elem = xi.readNext()).isEmpty(); ++num) {
            ParsedPost post = null;
            try {
                post = parsePost(elem, excludeCode);

                if (!post.mAcceptedAnswerId.isEmpty()) {
                    hQuestions.put(post.mId, post);
                } else if (post.mpostIdType.equals("2")) {
                    String parentId = post.mParentId;
                    String id = post.mId;
                    if (!parentId.isEmpty()) {
                        ParsedPost parentPost = hQuestions.get(parentId);
                        if (parentPost != null && parentPost.mAcceptedAnswerId.equals(id)) {
                            output.write(createYahooAnswersQuestion(parentPost, post));
                            hQuestions.remove(parentId);
                        }
                    }
                }

            } catch (Exception e) {
                e.printStackTrace();
                throw new Exception("Error parsing record # " + num + ", error message: " + e);
            }
            if (debug) {
                System.out.println(String.format("%s parentId=%s acceptedAnswerId=%s type=%s", post.mId,
                        post.mParentId, post.mAcceptedAnswerId, post.mpostIdType));
                System.out.println("================================");
                if (!post.mTitle.isEmpty()) {
                    System.out.println(post.mTitle);
                    System.out.println("--------------------------------");
                }
                System.out.println(post.mBody);
                System.out.println("================================");
            }
        }

        output.write("</ystfeed>\n");

        input.close();
        output.close();

    } catch (ParseException e) {
        Usage("Cannot parse arguments", options);
    } catch (Exception e) {
        e.printStackTrace();
        System.err.println("Terminating due to an exception: " + e);
        System.exit(1);
    }

}

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From source file:com.monpie.histogram.RandomizeArray.java

public RandomizeArray() throws IOException {
    fileWriter = new FileWriter("random.txt");
}

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From source file:com.sec.ose.osi.util.tools.FileOperator.java

public static boolean saveFile(String filePath, String contents) {

    File writeFile = new File(filePath);

    PrintWriter writer = null;/*from   www. j  a  va  2 s.c om*/

    try {
        writer = new PrintWriter(new FileWriter(writeFile));
        writer.println(contents);

    } catch (IOException e) {
        // TODO Auto-generated catch block
        log.warn(e);
        return false;
    } finally {

        if (writer != null) {
            writer.flush();
            writer.close();
        }
        writer = null;
    }

    return true;
}

---

From source file:gov.nih.nci.restgen.util.GeneratorUtil.java

public static void writeFile(String _outputDir, String _fileName, String _content) {
    BufferedWriter bufferedWriter = null;

    try {//  ww  w . j  ava  2  s  .co  m
        createOutputDir(_outputDir);
        File file = new File(_outputDir, _fileName);
        FileWriter fileWriter = new FileWriter(file);
        bufferedWriter = new BufferedWriter(fileWriter);
        bufferedWriter.write(_content);
        bufferedWriter.flush();
    } catch (Throwable t) {
        throw new RuntimeException(t);
    } finally {
        if (bufferedWriter != null) {
            try {
                bufferedWriter.close();
            } catch (Throwable t) {
            }
        }
    }
}

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From source file:mrdshinse.sql2xlsx.util.FileUtil.java

public static File create(File file, String str) {
    try (PrintWriter pw = new PrintWriter(new BufferedWriter(new FileWriter(file)))) {
        pw.print(str);/*from   w ww. j a  v a2 s  . c  o  m*/
    } catch (IOException ex) {
        return file;
    }
    return file;
}

---

From source file:com.amazon.dtasdk.v2.signature.CredentialStoreTest.java

@BeforeClass
public static void setUp() throws IOException {
    VALID_FILE = File.createTempFile("store", "csv");
    FileWriter writer = new FileWriter(VALID_FILE);

    writer.write(String.format("%s %s\n", KEYS[0], KEYS[1]));
    // Intentionally check if blank lines are supported
    writer.write(String.format("%s %s\n\n", KEYS[2], KEYS[3]));
    writer.write(String.format("%s %s\n", KEYS[4], KEYS[5]));
    writer.write("\n");

    writer.close();//  w  w w .j a va  2 s .co  m

    INVALID_FILE = File.createTempFile("store", "csv");
    writer = new FileWriter(INVALID_FILE);

    writer.write(String.format("%s%s\n", KEYS[0], KEYS[1]));
    writer.write(String.format("%s %s\n", KEYS[2], KEYS[3]));
    writer.write(String.format("%s %s\n", KEYS[4], KEYS[5]));
    writer.write("\n");

    writer.close();
}

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From source file:jsonconverter.createandwrite.JSONFileWriter.java

public void createFile(String name, String JSONFolderPath) {
    try {/* ww w .  ja v a  2  s .  c o m*/
        File file = new File(JSONFolderPath, name + ".txt");
        file.createNewFile();
        FileWriter fw = new FileWriter(file);
        BufferedWriter bw = new BufferedWriter(fw);
        bw.write(obj.toString());
        bw.flush();
        bw.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

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From source file:com.cprassoc.solr.auth.util.Utils.java

public static String writeBytesToFile(String filePath, String content) {
    String path = "";
    try {/*w  w w .  ja v a 2 s .  co m*/
        File file = new File(filePath);
        FileWriter fw = new FileWriter(file);
        Log.log(Utils.class, "write file: " + filePath);
        fw.write(content);
        //  IOUtils.write(content, fw);
        //  IOUtils.write
        path = file.getAbsolutePath();
        fw.close();

    } catch (Exception e) {
        e.printStackTrace();
    }
    return path;
}

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From source file:br.edimarmanica.weir2.rule.type.RulesDataTypeController.java

/**
 * Persiste the datatype of each rule/*from w ww  .j ava 2s .  co  m*/
 *
 * @param site
 */
public static void persiste(Site site) {
    Map<String, DataType> ruleType = new HashMap<>();

    File dirInput = new File(Paths.PATH_INTRASITE + "/" + site.getPath() + "/extracted_values");
    for (File rule : dirInput.listFiles()) {
        ruleType.put(rule.getName(), RuleDataType.getMostFrequentType(rule));
    }

    File dirOutput = new File(Paths.PATH_WEIR_V2 + "/" + site.getPath());
    dirOutput.mkdirs();

    File file = new File(dirOutput.getAbsolutePath() + "/types.csv");
    String[] HEADER = { "RULE", "TYPE" };
    CSVFormat format = CSVFormat.EXCEL.withHeader(HEADER);

    try (Writer out = new FileWriter(file)) {
        try (CSVPrinter csvFilePrinter = new CSVPrinter(out, format)) {
            for (String rule : ruleType.keySet()) {
                List<String> dataRecord = new ArrayList<>();
                dataRecord.add(rule);
                dataRecord.add(ruleType.get(rule).name());
                csvFilePrinter.printRecord(dataRecord);
            }
        }
    } catch (IOException ex) {
        Logger.getLogger(RulesDataTypeController.class.getName()).log(Level.SEVERE, null, ex);
    }
}

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