Examples with FileReader java.io.FileReader used on opensource projects

Example 31 with FileReader

use of java.io.FileReader in project platform_frameworks_base by android.

the class TaskPersister method loadPersistedTaskIdsForUser.

@NonNull
SparseBooleanArray loadPersistedTaskIdsForUser(int userId) {
    if (mTaskIdsInFile.get(userId) != null) {
        return mTaskIdsInFile.get(userId).clone();
    }
    final SparseBooleanArray persistedTaskIds = new SparseBooleanArray();
    synchronized (mIoLock) {
        BufferedReader reader = null;
        String line;
        try {
            reader = new BufferedReader(new FileReader(getUserPersistedTaskIdsFile(userId)));
            while ((line = reader.readLine()) != null) {
                for (String taskIdString : line.split("\\s+")) {
                    int id = Integer.parseInt(taskIdString);
                    persistedTaskIds.put(id, true);
                }
            }
        } catch (FileNotFoundException e) {
        // File doesn't exist. Ignore.
        } catch (Exception e) {
            Slog.e(TAG, "Error while reading taskIds file for user " + userId, e);
        } finally {
            IoUtils.closeQuietly(reader);
        }
    }
    mTaskIdsInFile.put(userId, persistedTaskIds);
    return persistedTaskIds.clone();
}

Example 32 with FileReader

use of java.io.FileReader in project platform_frameworks_base by android.

the class PhoneWindowManager method initializeHdmiState.

void initializeHdmiState() {
    boolean plugged = false;
    // watch for HDMI plug messages if the hdmi switch exists
    if (new File("/sys/devices/virtual/switch/hdmi/state").exists()) {
        mHDMIObserver.startObserving("DEVPATH=/devices/virtual/switch/hdmi");
        final String filename = "/sys/class/switch/hdmi/state";
        FileReader reader = null;
        try {
            reader = new FileReader(filename);
            char[] buf = new char[15];
            int n = reader.read(buf);
            if (n > 1) {
                plugged = 0 != Integer.parseInt(new String(buf, 0, n - 1));
            }
        } catch (IOException ex) {
            Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
        } catch (NumberFormatException ex) {
            Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
        } finally {
            if (reader != null) {
                try {
                    reader.close();
                } catch (IOException ex) {
                }
            }
        }
    }
    // This dance forces the code in setHdmiPlugged to run.
    // Always do this so the sticky intent is stuck (to false) if there is no hdmi.
    mHdmiPlugged = !plugged;
    setHdmiPlugged(!mHdmiPlugged);
}

Example 33 with FileReader

use of java.io.FileReader in project gradle by gradle.

the class TestFile method linesThat.

public List<String> linesThat(Matcher<? super String> matcher) {
    try {
        BufferedReader reader = new BufferedReader(new FileReader(this));
        try {
            List<String> lines = new ArrayList<String>();
            String line;
            while ((line = reader.readLine()) != null) {
                if (matcher.matches(line)) {
                    lines.add(line);
                }
            }
            return lines;
        } finally {
            reader.close();
        }
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

Example 34 with FileReader

use of java.io.FileReader in project gradle by gradle.

the class RegexBackedCSourceParser method parseFile.

private List<Include> parseFile(File file) {
    List<Include> includes = Lists.newArrayList();
    try {
        BufferedReader bf = new BufferedReader(new PreprocessingReader(new BufferedReader(new FileReader(file))));
        try {
            String line;
            while ((line = bf.readLine()) != null) {
                Matcher m = includePattern.matcher(line.trim());
                if (m.matches()) {
                    boolean isImport = "import".equals(m.group(1));
                    String value = m.group(2);
                    includes.add(DefaultInclude.parse(value, isImport));
                }
            }
        } finally {
            IOUtils.closeQuietly(bf);
        }
    } catch (IOException e) {
        throw new UncheckedIOException(e);
    }
    return includes;
}

Example 35 with FileReader

use of java.io.FileReader in project grails-maven by grails.

the class AbstractGrailsMojo method handleVersionSync.

private void handleVersionSync() throws MojoExecutionException {
    // Search for all Grails plugin dependencies and install
    // any that haven't already been installed.
    final Properties metadata = new Properties();
    File metadataFile = new File(getBasedir(), "application.properties");
    FileReader reader = null;
    FileWriter writer = null;
    try {
        boolean created = true;
        if (!metadataFile.exists()) {
            created = metadataFile.createNewFile();
        }
        if (created) {
            reader = new FileReader(metadataFile);
            metadata.load(reader);
            boolean metadataModified = syncVersions(metadata);
            if (metadataModified) {
                writer = new FileWriter(metadataFile);
                metadata.store(writer, "Grails Metadata file");
            }
        }
    } catch (IOException e) {
        throw new MojoExecutionException("Failed to sync application version with Maven plugin defined version");
    } finally {
        try {
            if (reader != null)
                reader.close();
            if (writer != null)
                writer.close();
        } catch (IOException e) {
        // ignore
        }
    }
}