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

Example 86 with FileWriter

use of java.io.FileWriter in project XobotOS by xamarin.

the class DiskLruCache method open.

/**
     * Opens the cache in {@code directory}, creating a cache if none exists
     * there.
     *
     * @param directory a writable directory
     * @param appVersion
     * @param valueCount the number of values per cache entry. Must be positive.
     * @param maxSize the maximum number of bytes this cache should use to store
     * @throws IOException if reading or writing the cache directory fails
     */
public static DiskLruCache open(File directory, int appVersion, int valueCount, long maxSize) throws IOException {
    if (maxSize <= 0) {
        throw new IllegalArgumentException("maxSize <= 0");
    }
    if (valueCount <= 0) {
        throw new IllegalArgumentException("valueCount <= 0");
    }
    // prefer to pick up where we left off
    DiskLruCache cache = new DiskLruCache(directory, appVersion, valueCount, maxSize);
    if (cache.journalFile.exists()) {
        try {
            cache.readJournal();
            cache.processJournal();
            cache.journalWriter = new BufferedWriter(new FileWriter(cache.journalFile, true));
            return cache;
        } catch (IOException journalIsCorrupt) {
            System.logW("DiskLruCache " + directory + " is corrupt: " + journalIsCorrupt.getMessage() + ", removing");
            cache.delete();
        }
    }
    // create a new empty cache
    directory.mkdirs();
    cache = new DiskLruCache(directory, appVersion, valueCount, maxSize);
    cache.rebuildJournal();
    return cache;
}

Example 87 with FileWriter

use of java.io.FileWriter in project XobotOS by xamarin.

the class DiskLruCache method rebuildJournal.

/**
     * Creates a new journal that omits redundant information. This replaces the
     * current journal if it exists.
     */
private synchronized void rebuildJournal() throws IOException {
    if (journalWriter != null) {
        journalWriter.close();
    }
    Writer writer = new BufferedWriter(new FileWriter(journalFileTmp));
    writer.write(MAGIC);
    writer.write("\n");
    writer.write(VERSION_1);
    writer.write("\n");
    writer.write(Integer.toString(appVersion));
    writer.write("\n");
    writer.write(Integer.toString(valueCount));
    writer.write("\n");
    writer.write("\n");
    for (Entry entry : lruEntries.values()) {
        if (entry.currentEditor != null) {
            writer.write(DIRTY + ' ' + entry.key + '\n');
        } else {
            writer.write(CLEAN + ' ' + entry.key + entry.getLengths() + '\n');
        }
    }
    writer.close();
    journalFileTmp.renameTo(journalFile);
    journalWriter = new BufferedWriter(new FileWriter(journalFile, true));
}

Example 88 with FileWriter

use of java.io.FileWriter in project XobotOS by xamarin.

the class NativeBuilder method printNativeType.

private static boolean printNativeType(NativeConfiguration config, Node unit, String fileName) {
    final URI projectRoot = my(APIDefinition.class).getProjectRoot();
    final String outputDir = my(ConfigFile.class).getSourceInfo().getOutputFolder();
    final String outputPath = projectRoot.getPath() + File.separatorChar + outputDir + File.separatorChar + config.getOutputDir();
    if (!new File(outputPath).exists())
        new File(outputPath).mkdirs();
    final String fullSourceName = outputPath + File.separatorChar + fileName;
    FileWriter output;
    try {
        output = new FileWriter(fullSourceName);
    } catch (IOException e) {
        Sharpen.Log(e, "Cannot create native glue file '%s'", fullSourceName);
        return false;
    }
    IndentedWriter writer = new IndentedWriter(output);
    Printer printer = new Printer(writer);
    unit.accept(printer);
    try {
        output.close();
    } catch (IOException e) {
        Sharpen.Log(e, "Cannot create native glue file '%s'", fullSourceName);
        return false;
    }
    return true;
}

Example 89 with FileWriter

use of java.io.FileWriter in project XobotOS by xamarin.

the class XStreamUtils method write.

public static <T extends IConfigurationFile> void write(String fileName, T config) throws IOException {
    FileWriter writer = new FileWriter(fileName);
    XStream xstream = prepareXStream();
    xstream.toXML(config, writer);
    writer.close();
}

Example 90 with FileWriter

use of java.io.FileWriter in project LookLook by xinghongfei.

the class CacheUtil method put.

// =======================================
// ============ String数据 读写 ==============
// =======================================
/**
     * 保存 String数据 到 缓存中
     *
     * @param key   保存的key
     * @param value 保存的String数据
     */
public void put(String key, String value) {
    File file = mCache.newFile(key);
    BufferedWriter out = null;
    try {
        out = new BufferedWriter(new FileWriter(file), 1024);
        out.write(value);
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (out != null) {
            try {
                out.flush();
                out.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        mCache.put(file);
    }
}