Example usage for java.io OutputStreamWriter OutputStreamWriter

Introduction

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

Prototype

public OutputStreamWriter(OutputStream out, CharsetEncoder enc) 

Source Link

Document

Creates an OutputStreamWriter that uses the given charset encoder.

Usage

From source file:com.curecomp.primefaces.migrator.PrimefacesMigration.java

public static void main(String[] args) throws Exception {
    // Let's use some colors :)
    //        AnsiConsole.systemInstall();
    CommandLineParser cliParser = new BasicParser();
    CommandLine cli = null;/*from  w w w  . j ava2 s.com*/
    try {
        cli = cliParser.parse(OPTIONS, args);
    } catch (ParseException e) {
        printHelp();
    }
    if (!cli.hasOption("s")) {
        printHelp();
    }

    String sourcePattern;
    if (cli.hasOption("p")) {
        sourcePattern = cli.getOptionValue("p");
    } else {
        sourcePattern = DEFAULT_SOURCE_PATTERN;
    }

    String defaultAnswer;
    if (cli.hasOption("default-answer")) {
        defaultAnswer = cli.getOptionValue("default-answer");
    } else {
        defaultAnswer = DEFAULT_DEFAULT_PROMPT_ANSWER;
    }

    boolean defaultAnswerYes = defaultAnswer.equalsIgnoreCase("y");
    boolean quiet = cli.hasOption("q");
    boolean testWrite = cli.hasOption("t");
    Path sourceDirectory = Paths.get(cli.getOptionValue("s")).toAbsolutePath();
    // Since we use IO we will have some blocking threads hanging around
    int threadCount = Runtime.getRuntime().availableProcessors() * 2;
    ThreadPoolExecutor threadPool = new ThreadPoolExecutor(threadCount, threadCount, 0L, TimeUnit.MILLISECONDS,
            new LinkedBlockingQueue<>());
    BlockingQueue<WidgetVarLocation> foundUsages = new LinkedBlockingQueue<>();
    BlockingQueue<WidgetVarLocation> unusedOrAmbiguous = new LinkedBlockingQueue<>();
    BlockingQueue<WidgetVarLocation> skippedUsages = new LinkedBlockingQueue<>();
    List<Future<?>> futures = new ArrayList<>();

    findWidgetVars(sourceDirectory, sourcePattern, threadPool).forEach(widgetVarLocation -> {
        // We can't really find usages of widget vars that use EL expressions :(
        if (widgetVarLocation.widgetVar.contains("#")) {
            unusedOrAmbiguous.add(widgetVarLocation);
            return;
        }

        try {
            FileActionVisitor visitor = new FileActionVisitor(sourceDirectory, sourcePattern,
                    sourceFile -> futures.add(threadPool.submit((Callable<?>) () -> {
                        findWidgetVarUsages(sourceFile, widgetVarLocation, foundUsages, skippedUsages,
                                unusedOrAmbiguous);
                        return null;
                    })));

            Files.walkFileTree(sourceDirectory, visitor);
        } catch (IOException ex) {
            throw new RuntimeException(ex);
        }
    });

    awaitAll(futures);

    new TreeSet<>(skippedUsages).forEach(widgetUsage -> {
        int startIndex = widgetUsage.columnNr;
        int endIndex = startIndex + widgetUsage.widgetVar.length();
        String relativePath = widgetUsage.location.toAbsolutePath().toString()
                .substring(sourceDirectory.toString().length());
        String previous = replace(widgetUsage.line, startIndex, endIndex,
                Ansi.ansi().bold().fg(Ansi.Color.RED).a(widgetUsage.widgetVar).reset().toString());
        System.out.println("Skipped " + relativePath + " at line " + widgetUsage.lineNr + " and col "
                + widgetUsage.columnNr + " for widgetVar '" + widgetUsage.widgetVar + "'");
        System.out.println("\t" + previous);
    });

    Map<WidgetVarLocation, List<WidgetVarLocation>> written = new HashMap<>();

    new TreeSet<>(foundUsages).forEach(widgetUsage -> {
        WidgetVarLocation key = new WidgetVarLocation(null, widgetUsage.location, widgetUsage.lineNr, -1, null);
        List<WidgetVarLocation> writtenList = written.get(key);
        int existing = writtenList == null ? 0 : writtenList.size();
        int startIndex = widgetUsage.columnNr;
        int endIndex = startIndex + widgetUsage.widgetVar.length();
        String relativePath = widgetUsage.location.toAbsolutePath().toString()
                .substring(sourceDirectory.toString().length());
        String next = replace(widgetUsage.line, startIndex, endIndex, Ansi.ansi().bold().fg(Ansi.Color.RED)
                .a("PF('" + widgetUsage.widgetVar + "')").reset().toString());
        System.out
                .println(relativePath + " at line " + widgetUsage.lineNr + " and col " + widgetUsage.columnNr);
        System.out.println("\t" + next);
        System.out.print("Replace (Y/N)? [" + (defaultAnswerYes ? "Y" : "N") + "]: ");

        String input;

        if (quiet) {
            input = "";
            System.out.println();
        } else {
            try {
                do {
                    input = in.readLine();
                } while (input != null && !input.isEmpty() && !"y".equalsIgnoreCase(input)
                        && !"n".equalsIgnoreCase(input));
            } catch (IOException ex) {
                throw new RuntimeException(ex);
            }
        }

        if (input == null) {
            System.out.println("Aborted!");
        } else if (input.isEmpty() && defaultAnswerYes || !input.isEmpty() && !"n".equalsIgnoreCase(input)) {
            System.out.println("Replaced!");
            System.out.print("\t");
            if (writtenList == null) {
                writtenList = new ArrayList<>();
                written.put(key, writtenList);
            }

            writtenList.add(widgetUsage);
            List<String> lines;
            try {
                lines = Files.readAllLines(widgetUsage.location);
            } catch (IOException ex) {
                throw new RuntimeException(ex);
            }

            try (OutputStream os = testWrite ? new ByteArrayOutputStream()
                    : Files.newOutputStream(widgetUsage.location);
                    PrintWriter pw = new PrintWriter(new OutputStreamWriter(os, StandardCharsets.UTF_8))) {
                String line;

                for (int i = 0; i < lines.size(); i++) {
                    int lineNr = i + 1;
                    line = lines.get(i);

                    if (lineNr == widgetUsage.lineNr) {
                        int begin = widgetUsage.columnNr + (testWrite ? 0 : existing * 6);
                        int end = begin + widgetUsage.widgetVar.length();
                        String newLine = replace(line, begin, end, "PF('" + widgetUsage.widgetVar + "')",
                                false);

                        if (testWrite) {
                            System.out.println(newLine);
                        } else {
                            pw.println(newLine);
                        }
                    } else {
                        if (!testWrite) {
                            pw.println(line);
                        }
                    }
                }
            } catch (IOException ex) {
                throw new RuntimeException(ex);
            }
        } else {
            System.out.println("Skipped!");
        }
    });

    new TreeSet<>(unusedOrAmbiguous).forEach(widgetUsage -> {
        int startIndex = widgetUsage.columnNr;
        int endIndex = startIndex + widgetUsage.widgetVar.length();
        String relativePath = widgetUsage.location.toAbsolutePath().toString()
                .substring(sourceDirectory.toString().length());
        String previous = replace(widgetUsage.line, startIndex, endIndex,
                Ansi.ansi().bold().fg(Ansi.Color.RED).a(widgetUsage.widgetVar).reset().toString());
        System.out.println("Skipped unused or ambiguous " + relativePath + " at line " + widgetUsage.lineNr
                + " and col " + widgetUsage.columnNr);
        System.out.println("\t" + previous);
    });

    threadPool.shutdown();
}

---

From source file:Main.java

public static OutputStreamWriter newNovelWriter(String filepath, String encoding) throws IOException {
    OutputStreamWriter writer = new OutputStreamWriter(new FileOutputStream(filepath), encoding);
    if (encoding.equals("UTF-16LE")) { // inject BOM
        writer.write("\uFEFF");
    }/*from www  . j av a  2s.  c  om*/

    return writer;
}

---

From source file:Main.java

static void writeUtf(String text, String file) {
    Writer out;/*w  ww  .ja  va  2  s  .  c  o m*/
    try {
        out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file), "UTF-8"));
        out.write(text);
        out.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

---

From source file:Main.java

public static byte[] charArrayToByteArray(char[] buffer) {
    try {/*from  w w w.  j av  a 2 s.  co  m*/
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        OutputStreamWriter out = new OutputStreamWriter(baos, ENCODING);
        Reader reader = new CharArrayReader(buffer);
        for (int ch; (ch = reader.read()) != -1;) {
            out.write(ch);
        }
        return baos.toByteArray();
    } catch (Exception ex) {
        return null;
    }
}

---

From source file:Main.java

public static void writeParam(HttpURLConnection urlConnection, String param) {
    try {/*from  w  w w.j av  a 2 s .c  o m*/
        BufferedWriter writer = new BufferedWriter(
                new OutputStreamWriter(urlConnection.getOutputStream(), "UTF-8"));
        writer.write(param);
        writer.flush();
        writer.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

---

From source file:Main.java

public static void writeXml(String content, String path) {
    try {//from w w w .j av a 2  s .  c o m
        File file = new File(path);
        Writer out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file), "utf-8"));
        out.write(content);
        out.flush();
    } catch (Exception e) {
        e.printStackTrace();
    }

}

---

From source file:Main.java

/**
 * Opens a buffered writer that uses UTF-8 encoding.
 * TODO: handle compression automatically based on file extension.
 * @param path/*from  w  w  w.  jav a2  s  . c o  m*/
 * @return
 * @throws IOException
 */
public static BufferedWriter openWriter(File path) throws IOException {
    return new BufferedWriter(new OutputStreamWriter(new FileOutputStream(path), "UTF-8"));
}

---

From source file:Main.java

/**
 * Opens a buffered writer that uses UTF-8 encoding.
 * TODO: handle compression automatically based on file extension.
 * @param path/*from  ww w.j a  v  a2 s . c  o m*/
 * @return
 * @throws IOException
 */
public static BufferedWriter openWriterForAppend(File path) throws IOException {
    return new BufferedWriter(new OutputStreamWriter(new FileOutputStream(path, true), "UTF-8"));
}

---

From source file:Main.java

public static void generateFile(String str) throws Exception {
    File target = new File(System.getProperty("user.dir") + "/src/sql1.txt");
    FileOutputStream fos = new FileOutputStream(target);
    BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(fos, "utf-8"));
    bw.write(str.toString());//from   w ww  . j av  a  2 s  .  c  o m
    bw.close();
}

---

From source file:Main.java

public static void writeFile(String filename, String text) throws Exception {
    File f = new File(filename);
    if (!f.exists())
        f.createNewFile();/*  www .  j ava2 s . c  om*/
    else {
        f.delete();
        f.createNewFile();
    }
    BufferedWriter output = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(filename), "utf-8"));

    // new BufferedWriter(new FileWriter(filename,
    // false),"utf-8");
    output.write(text);

    output.flush();
    output.close();
}

---

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