Example usage for java.io PrintWriter PrintWriter

List of usage examples for java.io PrintWriter PrintWriter

  1. HOME
  2. Java
  3. java
  4. java.io.*
  5. PrintWriter
  6. PrintWriter

Introduction

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

Prototype

public PrintWriter(File file) throws FileNotFoundException

Source Link

Document

Creates a new PrintWriter, without automatic line flushing, with the specified file.

Usage

From source file:Main.java

/**
 * Like {@link #sprintFullStack(Throwable)}, renders a stacktrace as a String for logging,
 * but excludes stack trace elements common with the calling scope, which may
 * be considered irrelevant to application functionality testing
 * @param t an exception//from   www. j a  v a  2s.  co m
 * @return a string representation of a shorter stack trace
 */
public static String sprintShortStack(final Throwable t) {
    if (t == null) {
        return "";
    }

    StringWriter writer = new StringWriter();
    Throwable local = new Throwable();

    StackTraceElement[] localStack = local.getStackTrace();
    StackTraceElement[] tStack = t.getStackTrace();

    int m = tStack.length - 1, n = localStack.length - 1;
    while (m >= 0 && n >= 0 && tStack[m].equals(localStack[n])) {
        m--;
        n--;
    }

    int framesInCommon = tStack.length - 1 - (m + 1);

    t.setStackTrace(Arrays.copyOf(t.getStackTrace(), m + 1, StackTraceElement[].class));
    t.printStackTrace(new PrintWriter(writer));
    t.setStackTrace(tStack);
    StringBuilder sb = new StringBuilder(writer.toString());
    if (framesInCommon != 0) {
        sb.append("\t... " + framesInCommon + " more");
    }
    return sb.toString();
}

From source file:Main.java

private static String getCrashReport(Throwable e, Context application) {

    StringBuffer body = new StringBuffer();
    body.append("Timestamp: " + new Date().toString());
    body.append("\n** Crash Report **\n");
    try {//from   w ww .  jav a  2 s. c o m
        PackageInfo pi = application.getPackageManager().getPackageInfo(application.getPackageName(), 0);
        body.append("Package Name: ").append(pi.packageName).append("\n");
        body.append("Package Version: ").append(pi.versionCode).append("\n");
        body.append("Phone Model: ").append(android.os.Build.MODEL).append("\n");
        body.append("Phone Manufacturer: ").append(android.os.Build.MANUFACTURER).append("\n");
        body.append("Android Version:").append(android.os.Build.VERSION.RELEASE).append("\n");
    } catch (NameNotFoundException e1) {
    }

    StringWriter stack = new StringWriter();
    PrintWriter writer = new PrintWriter(stack);
    e.printStackTrace(writer);

    body.append("\n\nStacktrace:\n\n");
    body.append(stack.toString()).append("\n");

    if (e.getCause() != null) {
        Throwable cause = e.getCause();
        stack = new StringWriter();
        writer = new PrintWriter(stack);
        cause.printStackTrace(writer);

        body.append("\n\nCause Stacktrace:\n\n");
        body.append(stack.toString()).append("\n");
    }

    body.append("** Crash Report **\n");
    return body.toString();
}

From source file:edu.ucsd.ccdb.cil.xml2json.XML2JsonUtil.java

public void outputStringToFile(File f, String json) throws Exception {
    FileOutputStream fout = new FileOutputStream(f);
    PrintWriter pw = new PrintWriter(fout);
    pw.print(json);/*w  w  w .j  av  a2  s  .  c om*/
    pw.close();
}

From source file:net.sf.firemox.tools.MSaveDeck.java

/**
 * Saves deck to ASCII file from specified staticTurnLists. This new file will
 * contain the card names sorted in alphabetical order with their quantity
 * with this format :<br>/*from  w  w w.  j  a  v  a2  s  .  com*/
 * <i>card's name </i> <b>; </b> <i>qty </i> <b>\n </b> <br>
 * 
 * @param fileName
 *          Name of new file.
 * @param names
 *          ListModel of card names.
 * @param parent
 *          the parent
 * @return true if the current deck has been correctly saved. false otherwise.
 */
public static boolean saveDeck(String fileName, MListModel<MCardCompare> names, JFrame parent) {
    PrintWriter outStream = null;
    try {
        // create the deckfile. If it was already existing, it would be scrathed.
        outStream = new PrintWriter(new FileOutputStream(fileName));
    } catch (FileNotFoundException ex) {
        JOptionPane.showMessageDialog(parent,
                "Cannot create/modify the specified deck file:" + fileName + "\n" + ex.getMessage(),
                "File creation problem", JOptionPane.ERROR_MESSAGE);
        return false;
    }

    Object[] namesArray = names.toArray();
    MCardCompare[] cards = new MCardCompare[namesArray.length];
    System.arraycopy(namesArray, 0, cards, 0, namesArray.length);

    // sorts names
    Arrays.sort(cards, new MCardCompare());
    // writes lines corresponding to this format : "card;quantity\n"
    for (int i = 0; i < cards.length; i++) {
        outStream.println(cards[i].toString());
    }
    IOUtils.closeQuietly(outStream);

    // successfull deck save
    JOptionPane.showMessageDialog(parent,
            "Saving file " + fileName.substring(fileName.lastIndexOf("/") + 1) + " was successfully completed.",
            "Save success", JOptionPane.INFORMATION_MESSAGE);
    return true;
}

From source file:MyServlet.java

public void saveState() {
    FileWriter fileWriter = null;
    PrintWriter printWriter = null;
    try {/* www .  j ava  2s  .  c  o m*/
        fileWriter = new FileWriter("InitDestroyCounter.initial");
        printWriter = new PrintWriter(fileWriter);
        printWriter.println(count);
        printWriter.close();
        return;
    } catch (IOException e) {
    }
}

From source file:bammerbom.ultimatecore.spongeapi.resources.classes.ErrorLogger.java

public static void log(Throwable t, String s) {
    String time = new SimpleDateFormat("yyyy-MM-dd_HH-mm-ss-SSS").format(Calendar.getInstance().getTime());
    File dir = new File(r.getUC().getDataFolder() + "/Errors");
    if (!dir.exists()) {
        dir.mkdir();/*from   w  w  w .ja  v a  2s  .  c om*/
    }
    File file = new File(r.getUC().getDataFolder() + "/Errors", time + ".txt");
    if (!file.exists()) {
        try {
            file.createNewFile();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    FileWriter outFile;
    try {
        outFile = new FileWriter(file);
    } catch (IOException e) {
        e.printStackTrace();
        return;
    }
    PrintWriter out = new PrintWriter(outFile);
    out.println("=======================================");
    out.println("UltimateCore has run into an error ");
    out.println("Please report your error on dev.bukkit.org/bukkit-plugins/ultimate_core/create-ticket");
    out.println("Spongeapi version: " + r.getGame().getMinecraftVersion() + " - "
            + r.getGame().getImplementationVersion());
    out.println("UltimateCore version: "
            + r.getGame().getPluginManager().getPlugin("UltimateCore").get().getVersion());
    out.println("Plugins loaded (" + r.getGame().getPluginManager().getPlugins().size() + "): "
            + Arrays.asList(r.getGame().getPluginManager().getPlugins()));
    out.println("Java version: " + System.getProperty("java.version"));
    out.println("OS info: " + System.getProperty("os.arch") + ", " + System.getProperty("os.name") + ", "
            + System.getProperty("os.version"));
    if (r.getGame().getServer().isPresent()) {
        out.println("Online mode: " + r.getGame().getServer().get().getOnlineMode());
    }
    out.println("Time: " + time);
    out.println("Error message: " + t.getMessage());
    out.println("UltimateCore message: " + s);
    out.println("=======================================");
    out.println("Stacktrace: \n" + ExceptionUtils.getStackTrace(t));
    out.println("=======================================");
    out.close();
    try {
        outFile.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
    //
    r.log(" ");
    r.log(TextColors.DARK_RED + "=========================================================");
    r.log(TextColors.RED + "UltimateCore has run into an error ");
    r.log(TextColors.RED + "Please report your error on ");
    r.log(TextColors.YELLOW + "http://dev.bukkit.org/bukkit-plugins/ultimate_core/create-ticket");
    r.log(TextColors.RED + "Include the file: ");
    r.log(TextColors.YELLOW + "plugins/UltimateCore/Errors/" + time + ".txt ");
    /*r.log(TextColors.RED + "Sponge version: " + Bukkit.getServer().getVersion());
     r.log(TextColors.RED + "UltimateCore version: " + Bukkit.getPluginManager().getPlugin("UltimateCore").getDescription().getVersion());
     r.log(TextColors.RED + "Plugins loaded (" + Bukkit.getPluginManager().getPlugins().length + "): " + Arrays.asList(Bukkit.getPluginManager().getPlugins()));
     r.log(TextColors.RED + "Java version: " + System.getProperty("java.version"));
     r.log(TextColors.RED + "OS info: " + System.getProperty("os.arch") + ", " + System.getProperty("os.name") + ", " + System.getProperty("os.version"));
     r.log(TextColors.RED + "Error message: " + t.getMessage());
     r.log(TextColors.RED + "UltimateCore message: " + s);*/
    r.log(TextColors.DARK_RED + "=========================================================");
    if (t instanceof Exception) {
        r.log(TextColors.RED + "Stacktrace: ");
        t.printStackTrace();
        r.log(TextColors.DARK_RED + "=========================================================");
    }
    r.log(" ");
}

From source file:avantssar.aslanpp.testing.HTMLHelper.java

public static File toHTML(File textFile, boolean lineNumbers) {
    if (textFile != null) {
        File htmlFile = new File(textFile.getAbsolutePath() + ".html");
        try {// www  .j  a va  2s  .c o m
            BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(textFile)));
            PrintWriter writer = new PrintWriter(htmlFile);
            String line;
            writer.println("<html>");
            writer.println("<body>");
            writer.println("<pre>");
            int lineCount = 1;
            while ((line = reader.readLine()) != null) {
                if (lineNumbers) {
                    line = String.format("%4d:   %s", lineCount++, line);
                }
                writer.println(line);
            }
            writer.println("</pre>");
            writer.println("</body>");
            writer.println("</html>");
            reader.close();
            writer.close();
            return htmlFile;
        } catch (IOException ex) {
            System.out.println(
                    "Failed to convert to HTML file '" + textFile.getAbsolutePath() + "': " + ex.getMessage());
            Debug.logger.error(ex);
            return null;
        }
    } else {
        return null;
    }
}

From source file:net.erdfelt.android.sdkfido.project.FilteredFileUtil.java

public static void copyWithExpansion(String resourceId, File destFile, Map<String, String> props) {
    URL url = FilteredFileUtil.class.getResource(resourceId);
    if (url == null) {
        LOG.log(Level.WARNING, "Unable to find resourceID: " + resourceId);
        return;/*from  w  w w .  j  a v  a  2s  .co m*/
    }

    InputStream in = null;
    InputStreamReader reader = null;
    BufferedReader buf = null;
    FileWriter writer = null;
    PrintWriter out = null;
    try {
        in = url.openStream();
        reader = new InputStreamReader(in);
        buf = new BufferedReader(reader);
        writer = new FileWriter(destFile);
        out = new PrintWriter(writer);

        PropertyExpander expander = new PropertyExpander(props);
        String line;

        while ((line = buf.readLine()) != null) {
            out.println(expander.expand(line));
        }
    } catch (IOException e) {
        LOG.log(Level.WARNING, "Unable to open input stream for url: " + url, e);
    } finally {
        IOUtils.closeQuietly(out);
        IOUtils.closeQuietly(writer);
        IOUtils.closeQuietly(buf);
        IOUtils.closeQuietly(reader);
        IOUtils.closeQuietly(in);
    }
}