Example usage for com.google.common.io Files toString

List of usage examples for com.google.common.io Files toString

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Introduction

In this page you can find the example usage for com.google.common.io Files toString.

Prototype

public static String toString(File file, Charset charset) throws IOException

Source Link

Usage

From source file:com.github.pires.example.App.java

/**
 * Reads private-key from PEM file./*from w  ww .  ja  va2s .co m*/
 * 
 * @param filename
 * @return the private-key text
 * @throws IOException
 *           if the file can't be read
 */
private static String getPrivateKeyFromFile(final String filename) throws IOException {
    try {
        return Files.toString(new File(filename), Charsets.UTF_8);
    } catch (IOException e) {
        log.error("Exception reading private key from {}", filename, e);
        throw e;
    }
}

From source file:com.q335.r49.squaredays.MainActivity.java

@Override
public boolean onMenuItemClick(MenuItem item) {
    final String extStorPath = Environment.getExternalStorageDirectory() + File.separator + fEXTSTOR
            + File.separator;//from  w  w  w  . j a  va  2s.  c  o m
    final File cmdFile = new File(extStorPath, fTASKS);
    final File logFile = new File(extStorPath, fLOGS);
    switch (item.getItemId()) {
    case R.id.menuItemExport: {
        if (ContextCompat.checkSelfPermission(this,
                android.Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED)
            ActivityCompat.requestPermissions(this, new String[] { Manifest.permission.WRITE_EXTERNAL_STORAGE },
                    1);
        final File directory = new File(extStorPath);
        directory.mkdirs();
        AlertDialog.Builder alertBuilder = new AlertDialog.Builder(MainActivity.this);
        alertBuilder.setCancelable(true).setMessage("Selected files will be exported to " + extStorPath)
                .setNeutralButton("Commands", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        try {
                            Files.write(prefs.getString(TasksFrag.prefsTasksKey, ""), cmdFile, Charsets.UTF_8);
                            Toast.makeText(context, "Commands exported to " + extStorPath + fTASKS,
                                    Toast.LENGTH_SHORT).show();
                        } catch (Exception e) {
                            Log.d("SquareDays", e.toString());
                            Toast.makeText(context,
                                    "Export failed. Does this app have storage permission? (Settings > Apps > tracker > Permissions)",
                                    Toast.LENGTH_LONG).show();
                        }
                    }
                }).setNegativeButton("Log entries", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        try {
                            writeLogFile();
                            Files.copy(new File(getFilesDir(), fLOGS), logFile);
                            Toast.makeText(context, "Log entries exported to " + extStorPath + fLOGS,
                                    Toast.LENGTH_SHORT).show();
                        } catch (Exception e) {
                            Log.d("SquareDays", e.toString());
                            Toast.makeText(context,
                                    "Export failed. Does this app have storage permission? (Settings > Apps > tracker > Permissions)",
                                    Toast.LENGTH_LONG).show();
                        }
                    }
                }).setPositiveButton("BOTH", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        try {
                            writeLogFile();
                            Files.copy(new File(getFilesDir(), fLOGS), logFile);
                            Files.write(prefs.getString(TasksFrag.prefsTasksKey, ""), cmdFile, Charsets.UTF_8);
                            Toast.makeText(context,
                                    "Commands exported to " + extStorPath + fTASKS
                                            + System.getProperty("line.separator") + "Log entries exported to "
                                            + extStorPath + fLOGS,
                                    Toast.LENGTH_LONG).show();
                        } catch (Exception e) {
                            Log.d("SquareDays", e.toString());
                            Toast.makeText(context,
                                    "Export failed. Does this app have storage permission? (Settings > Apps > tracker > Permissions)",
                                    Toast.LENGTH_LONG).show();
                        }
                    }
                }).show();
        return true;
    }
    case R.id.menuItemImport: {
        if (ContextCompat.checkSelfPermission(this,
                Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED)
            ActivityCompat.requestPermissions(this, new String[] { Manifest.permission.READ_EXTERNAL_STORAGE },
                    1);
        final File directory = new File(extStorPath);
        if (!directory.isDirectory())
            Toast.makeText(context, "Import failed. " + extStorPath + "not found.", Toast.LENGTH_LONG).show();
        else {
            AlertDialog.Builder alertBuilder = new AlertDialog.Builder(MainActivity.this);
            alertBuilder.setCancelable(true).setMessage("Importing from " + extStorPath)
                    .setNeutralButton("commands.json", new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialog, int which) {
                            try {
                                String jsonText = Files.toString(cmdFile, Charsets.UTF_8);
                                if (jsonText == null)
                                    Toast.makeText(context, "Import failed: empty file", Toast.LENGTH_SHORT)
                                            .show();
                                else {
                                    BF.loadCommands(jsonText);
                                    Toast.makeText(context, fTASKS + " import successful", Toast.LENGTH_SHORT)
                                            .show();
                                }
                            } catch (Exception e) {
                                Log.d("SquareDays", e.toString());
                                Toast.makeText(context,
                                        "Import failed. Does this app have storage access? (Settings > Apps > tracker > Permissions)",
                                        Toast.LENGTH_LONG).show();
                            }
                        }
                    }).setNegativeButton("log.txt", new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialog, int which) {
                            if (!logFile.exists())
                                Toast.makeText(context, "Import failed: log file not found", Toast.LENGTH_LONG)
                                        .show();
                            else {
                                try {
                                    Files.copy(logFile, new File(getFilesDir(), "log.txt"));
                                    pushOnly(Interval.newClearTimeMsg());
                                    pushOnly(Interval.newClearExpMess());
                                    readLogFile();
                                    popAll();
                                    Toast.makeText(context, fLOGS + " import successful", Toast.LENGTH_SHORT)
                                            .show();
                                } catch (Exception e) {
                                    Log.d("SquareDays", e.toString());
                                    Toast.makeText(context,
                                            "Import failed. Does this app have storage access? (Settings > Apps > tracker > Permissions)",
                                            Toast.LENGTH_LONG).show();
                                }
                            }
                        }
                    }).setPositiveButton("Both", new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialog, int which) {
                            try {
                                String jsonText = Files.toString(cmdFile, Charsets.UTF_8);
                                if (jsonText == null) {
                                    Toast.makeText(context, "Import failed: empty file", Toast.LENGTH_SHORT)
                                            .show();
                                } else {
                                    BF.loadCommands(jsonText);
                                    Toast.makeText(context, fTASKS + " import successful", Toast.LENGTH_SHORT)
                                            .show();
                                }
                            } catch (Exception e) {
                                Log.d("SquareDays", e.toString());
                                Toast.makeText(context,
                                        "Import failed. Does this app have storage access? (Settings > Apps > tracker > Permissions)",
                                        Toast.LENGTH_LONG).show();
                            }
                            if (!logFile.exists())
                                Toast.makeText(context, fLOGS + " failed: no file", Toast.LENGTH_SHORT).show();
                            else {
                                try {
                                    Files.copy(logFile, new File(getFilesDir(), "log.txt"));
                                    pushOnly(Interval.newClearTimeMsg());
                                    pushOnly(Interval.newClearExpMess());
                                    readLogFile();
                                    popAll();
                                    Toast.makeText(context, fLOGS + " import successful", Toast.LENGTH_SHORT)
                                            .show();
                                } catch (Exception e) {
                                    Log.d("SquareDays", e.toString());
                                    Toast.makeText(context,
                                            "Import failed. Does this app have storage access? (Settings > Apps > tracker > Permissions)",
                                            Toast.LENGTH_LONG).show();
                                }
                            }
                        }
                    }).show();
        }
        return true;
    }
    case R.id.menuItemClear: {
        AlertDialog.Builder alertBuilder = new AlertDialog.Builder(MainActivity.this);
        alertBuilder.setCancelable(true).setMessage("Really clear log?")
                .setNegativeButton("No", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        dialog.cancel();
                    }
                }).setPositiveButton("Yes", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        File logFile = new File(getFilesDir(), fLOGS);
                        if (logFile.exists()) {
                            if (logFile.delete()) {
                                pushOnly(Interval.newClearTimeMsg());
                                pushOnly(Interval.newClearExpMess());
                            } else
                                Log.d("SquareDays", "Log clear failed!");
                        } else {
                            pushOnly(Interval.newClearTimeMsg());
                            pushOnly(Interval.newClearExpMess());
                        }
                        popAll();
                    }
                }).show();
        return true;
    }
    case R.id.menuItemHelp: {
        FragmentManager fm = getSupportFragmentManager();
        HelpFrag helpV = HelpFrag.newInstance();
        helpV.show(fm, "fragment_edit_name");
        return true;
    }
    default:
        return super.onOptionsItemSelected(item);
    }
}

From source file:com.google.dart.tools.debug.core.coverage.CoverageManager.java

private static List<SourceRange> parseFileLines(IFile file) throws Exception {
    List<SourceRange> lineRanges = Lists.newArrayList();
    String contents = Files.toString(file.getLocation().toFile(), Charsets.UTF_8);
    int start = 0;
    int offset = 0;
    while (offset < contents.length()) {
        char c = contents.charAt(offset++);
        if (c == '\r') {
            continue;
        }/*from ww w.j ava 2  s.co m*/
        if (c == '\n') {
            int end = offset;
            lineRanges.add(new SourceRange(start, end - start));
            start = end;
        }
    }
    return lineRanges;
}

From source file:org.eclipse.xtext.generator.parser.antlr.ex.ExternalAntlrLexerFragment.java

private String readFileIntoString(String filename, Charset encoding) {
    try {//from  w  w  w .j  a  v a  2s . co m
        String result = Files.toString(new File(filename), encoding);
        return result;
    } catch (IOException e) {
        throw new WrappedException(e);
    }
}

From source file:org.moe.idea.builder.MOEModuleBuilder.java

private void modifyGradleSettings(@NotNull File file, Module[] modules) throws IOException {
    StringBuilder stringBuilder = new StringBuilder();

    String newLine = System.getProperty("line.separator");

    String existing = Files.toString(file, Charsets.UTF_8);

    if (!existing.endsWith(newLine)) {
        stringBuilder.append(newLine);/*from w  ww. jav  a2 s . co m*/
    }

    for (Module module : modules) {
        stringBuilder.append("include ':");
        stringBuilder.append(module.getName());
        stringBuilder.append("'");
        stringBuilder.append(newLine);
    }

    Files.append(stringBuilder.toString(), file, Charsets.UTF_8);
}

From source file:com.bjond.utilities.MiscUtils.java

/**
 * The file resource must be encoded in UTF-8.   
 * //from  ww w.j  a va  2s.c  o  m
 * @param myClass Class associated with the resource (resource just have to in the same package as this class, I think).
 * @param resourceName filename of the resource.
 * @return Content of the file read in string.
 * @throws IOException If any IO error occurs reading contents from Resource. Such as the resource not found.
 */
public static String readContentsFromResource(@SuppressWarnings("rawtypes") Class myClass, String resourceName)
        throws IOException {
    val rsc = myClass.getResource(resourceName);
    val path = rsc.getPath();
    val file = new File(path);
    return Files.toString(file, Charset.forName("UTF-8"));
}

From source file:org.renyan.leveldb.impl.VersionSet.java

public void recover() throws IOException {

    // Read "CURRENT" file, which contains a pointer to the current manifest file
    File currentFile = new File(databaseDir, Filename.currentFileName());
    Preconditions.checkState(currentFile.exists(), "CURRENT file does not exist");

    String currentName = Files.toString(currentFile, Charsets.UTF_8);
    if (currentName.isEmpty() || currentName.charAt(currentName.length() - 1) != '\n') {
        throw new IllegalStateException("CURRENT file does not end with newline");
    }//w  w  w  .  j a va 2  s  .co m
    currentName = currentName.substring(0, currentName.length() - 1);

    // open file channel
    FileChannel fileChannel = new FileInputStream(new File(databaseDir, currentName)).getChannel();

    // read log edit log
    Long nextFileNumber = null;
    Long lastSequence = null;
    Long logNumber = null;
    Long prevLogNumber = null;
    Builder builder = new Builder(this, current);

    LogReader reader = new LogReader(fileChannel, throwExceptionMonitor(), true, 0);
    for (Slice record = reader.readRecord(); record != null; record = reader.readRecord()) {
        // read version edit
        VersionEdit edit = new VersionEdit(record);

        // verify comparator
        // todo implement user comparator
        String editComparator = edit.getComparatorName();
        String userComparator = internalKeyComparator.name();
        Preconditions.checkArgument(editComparator == null || editComparator.equals(userComparator),
                "Expected user comparator %s to match existing database comparator ", userComparator,
                editComparator);

        // apply edit
        builder.apply(edit);

        // save edit values for verification below
        logNumber = coalesce(edit.getLogNumber(), logNumber);
        prevLogNumber = coalesce(edit.getPreviousLogNumber(), prevLogNumber);
        nextFileNumber = coalesce(edit.getNextFileNumber(), nextFileNumber);
        lastSequence = coalesce(edit.getLastSequenceNumber(), lastSequence);
    }

    List<String> problems = newArrayList();
    if (nextFileNumber == null) {
        problems.add("Descriptor does not contain a meta-nextfile entry");
    }
    if (logNumber == null) {
        problems.add("Descriptor does not contain a meta-lognumber entry");
    }
    if (lastSequence == null) {
        problems.add("Descriptor does not contain a last-sequence-number entry");
    }
    if (!problems.isEmpty()) {
        throw new RuntimeException("Corruption: \n\t" + Joiner.on("\n\t").join(problems));
    }

    if (prevLogNumber == null) {
        prevLogNumber = 0L;
    }

    Version newVersion = new Version(this);
    builder.saveTo(newVersion);

    // Install recovered version
    finalizeVersion(newVersion);

    appendVersion(newVersion);
    manifestFileNumber = nextFileNumber;
    this.nextFileNumber.set(nextFileNumber + 1);
    this.lastSequence = lastSequence;
    this.logNumber = logNumber;
    this.prevLogNumber = prevLogNumber;
}

From source file:com.feedzai.fos.impl.r.RManager.java

/**
 * Generate R boilerplate code to train a model. By default it will use a build in implementation using random
 * randomForest. Another algorithm can be used by overriding <code>RModelConfig.TRAIN_FILE</code> and
 * <code>RModelConfig.TRAIN_FUNCTION</code>.
 *
 * Sample generated code//from w  w  w . ja  va  2 s .  c o m
 * <pre>
 *    headersfile <- '/tmp/fosrtraining8499205938185291252.instances.header'
 *    instancesfile <- '/tmp/fosrtraining8499205938185291252.instances'
 *    class.name <- 'class'
 *
 *    categorical.features <- c(
 *    'A1',
 *    'A4',
 *    'A5',
 *    'A6',
 *    'A7',
 *    'A9',
 *    'A10',
 *    'A12',
 *    'A13',
 *    'class')
 *    modelsavepath <- '/tmp/fosrtraining8499205938185291252.instances.model'
 *    trainRmodel()
 * </pre>
 *
 *
 * @param config    the model configuration
 * @param path File with the training instances
 * @return
 * @throws FOSException
 */
@Override
public Model trainFile(ModelConfig config, String path) throws FOSException {
    String trainFile = config.getProperty(RModelConfig.TRAIN_FILE);
    String trainFunction = config.getProperty(RModelConfig.TRAIN_FUNCTION);
    if (trainFunction == null) {
        trainFunction = RModelConfig.BUILT_IN_TRAIN_FUNCTION;
    }

    String trainArguments = config.getProperty(RModelConfig.TRAIN_FUNCTION_ARGUMENTS);
    String trainScript = null;

    try {
        if (trainFile != null) {
            trainScript = Files.toString(new File(trainFile), Charsets.UTF_8);
        }

        String libraries = config.getProperty(RModelConfig.LIBRARIES);
        for (String library : libraries.trim().split(",")) {
            library = library.trim();
            if (library.length() > 0) {
                rserve.eval(String.format("require(%1s)", library));
            }
        }

        // eval optional train script
        if (trainScript != null) {
            rserve.eval(trainScript);
        }

        List<Attribute> attributes = config.getAttributes();

        File modelSaveFile = new File(config.getProperty(RModelConfig.MODEL_SAVE_PATH),
                (new File(path).getName()) + "." + RModelConfig.MODEL_FILE_EXTENSION);

        config.setProperty(RModelConfig.MODEL_FILE, modelSaveFile.getAbsolutePath());

        Attribute modelClass = attributes.get(config.getIntProperty(RModelConfig.CLASS_INDEX));

        // load training data
        rserve.eval(String.format("train.data <- read.arff('%s')", path));
        rserve.eval(String.format("classfn <- as.formula('%s ~ .')", rVariableName(modelClass.getName())));
        rserve.eval(String.format("model <- %s(formula = classfn, data = train.data%s)", trainFunction,
                trainArguments != null ? ", " + trainArguments : ""));

        rserve.eval(String.format("save(model, file = '%1s')", modelSaveFile.getAbsolutePath()));

        return new ModelBinary(Files.toByteArray(modelSaveFile));

    } catch (Throwable e) {
        throw new FOSException(e);
    }

}

From source file:org.iq80.leveldb.impl.VersionSet.java

public void recover() throws IOException {

    // Read "CURRENT" file, which contains a pointer to the current manifest file
    File currentFile = new File(databaseDir, Filename.currentFileName());
    Preconditions.checkState(currentFile.exists(), "CURRENT file does not exist");

    String currentName = Files.toString(currentFile, Charsets.UTF_8);
    if (currentName.isEmpty() || currentName.charAt(currentName.length() - 1) != '\n') {
        File dir[] = databaseDir.listFiles();
        for (int x = 0; x < dir.length; x++) {
            if (dir[x].getName().startsWith("MANIFEST")) {
                currentName = dir[x].getName() + "\n";
                break;
            }/*from   w ww.  j  a  v a  2s .  co  m*/
        }
        new IllegalStateException(
                "CURRENT file does not end with newline," + currentFile + " --> " + currentName)
                        .printStackTrace();
    }
    currentName = currentName.substring(0, currentName.length() - 1);

    // open file channel
    FileChannel fileChannel = new FileInputStream(new File(databaseDir, currentName)).getChannel();
    try {

        // read log edit log
        Long nextFileNumber = null;
        Long lastSequence = null;
        Long logNumber = null;
        Long prevLogNumber = null;
        Builder builder = new Builder(this, current);

        LogReader reader = new LogReader(fileChannel, throwExceptionMonitor(), true, 0);
        for (Slice record = reader.readRecord(); record != null; record = reader.readRecord()) {
            // read version edit
            VersionEdit edit = new VersionEdit(record);

            // verify comparator
            // todo implement user comparator
            String editComparator = edit.getComparatorName();
            String userComparator = internalKeyComparator.name();
            Preconditions.checkArgument(editComparator == null || editComparator.equals(userComparator),
                    "Expected user comparator %s to match existing database comparator ", userComparator,
                    editComparator);

            // apply edit
            builder.apply(edit);

            // save edit values for verification below
            logNumber = coalesce(edit.getLogNumber(), logNumber);
            prevLogNumber = coalesce(edit.getPreviousLogNumber(), prevLogNumber);
            nextFileNumber = coalesce(edit.getNextFileNumber(), nextFileNumber);
            lastSequence = coalesce(edit.getLastSequenceNumber(), lastSequence);
        }

        List<String> problems = newArrayList();
        if (nextFileNumber == null) {
            problems.add("Descriptor does not contain a meta-nextfile entry");
        }
        if (logNumber == null) {
            problems.add("Descriptor does not contain a meta-lognumber entry");
        }
        if (lastSequence == null) {
            problems.add("Descriptor does not contain a last-sequence-number entry");
        }
        if (!problems.isEmpty()) {
            throw new RuntimeException("Corruption: \n\t" + Joiner.on("\n\t").join(problems));
        }

        if (prevLogNumber == null) {
            prevLogNumber = 0L;
        }

        Version newVersion = new Version(this);
        builder.saveTo(newVersion);

        // Install recovered version
        finalizeVersion(newVersion);

        appendVersion(newVersion);
        manifestFileNumber = nextFileNumber;
        this.nextFileNumber.set(nextFileNumber + 1);
        this.lastSequence = lastSequence;
        this.logNumber = logNumber;
        this.prevLogNumber = prevLogNumber;
    } finally {
        fileChannel.close();
    }
}

From source file:com.google.javascript.jscomp.ant.CompileTask.java

@Override
public void execute() {
    if (this.outputFile == null) {
        throw new BuildException("outputFile attribute must be set");
    }/*from  w w w  . ja  v  a2 s . c om*/

    Compiler.setLoggingLevel(Level.OFF);

    CompilerOptions options = createCompilerOptions();
    Compiler compiler = createCompiler(options);

    List<SourceFile> externs = findExternFiles();
    List<SourceFile> sources = findSourceFiles();

    if (isStale() || forceRecompile) {
        log("Compiling " + sources.size() + " file(s) with " + externs.size() + " extern(s)");

        Result result = compiler.compile(externs, sources, options);

        if (result.success) {
            StringBuilder source = new StringBuilder(compiler.toSource());

            if (this.outputWrapperFile != null) {
                try {
                    this.outputWrapper = Files.toString(this.outputWrapperFile, UTF_8);
                } catch (Exception e) {
                    throw new BuildException("Invalid output_wrapper_file specified.");
                }
            }

            if (this.outputWrapper != null) {
                int pos = -1;
                pos = this.outputWrapper.indexOf(CommandLineRunner.OUTPUT_MARKER);
                if (pos > -1) {
                    String prefix = this.outputWrapper.substring(0, pos);
                    source.insert(0, prefix);

                    // end of outputWrapper
                    int suffixStart = pos + CommandLineRunner.OUTPUT_MARKER.length();
                    String suffix = this.outputWrapper.substring(suffixStart);
                    source.append(suffix);
                } else {
                    throw new BuildException("Invalid output_wrapper specified. " + "Missing '"
                            + CommandLineRunner.OUTPUT_MARKER + "'.");
                }
            }

            if (result.sourceMap != null) {
                flushSourceMap(result.sourceMap);
                source.append(System.getProperty("line.separator"));
                source.append("//# sourceMappingURL=" + sourceMapOutputFile.getName());
            }
            writeResult(source.toString());
        } else {
            throw new BuildException("Compilation failed.");
        }
    } else {
        log("None of the files changed. Compilation skipped.");
    }
}