Example usage for android.content.res AssetManager open

Introduction

In this page you can find the example usage for android.content.res AssetManager open.

Prototype

public @NonNull InputStream open(@NonNull String fileName) throws IOException

Source Link

Document

Open an asset using ACCESS_STREAMING mode.

Usage

From source file:Main.java

public static String getLocalizedAssetPath(AssetManager assetManager, String pathTemplate) {
    String path = String.format(Locale.US, pathTemplate, "-" + Locale.getDefault().getLanguage().toLowerCase());

    try {//from   w  w  w.  ja va2  s. com
        InputStream is = assetManager.open(path);
        is.close();
    } catch (Exception ex) {
        path = String.format(Locale.US, pathTemplate, "");
    }

    return "file:///android_asset/" + path;
}

From source file:Main.java

public static String loadData(AssetManager am) {
    String str;//from  ww w .j a v a  2 s .  com
    BufferedReader in = null;
    StringBuilder buf = null;
    try {
        buf = new StringBuilder();
        InputStream json = am.open("treatment.json");
        if (json != null) {
            in = new BufferedReader(new InputStreamReader(json));
            while ((str = in.readLine()) != null) {
                buf.append(str);
            }
        }
    } catch (Exception e) {
        return "";
    } finally {
        try {
            in.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    return buf.toString();
}

From source file:de.handtwerk.android.IoHelper.java

public static String readAssetAsString(String pPath, Context pContext) throws IOException {

    AssetManager assMan = pContext.getAssets();
    InputStream is = assMan.open(pPath);
    return StringHelper.readStream(is);
}

From source file:Main.java

public static InputStream loadAsset(Context context, String path, String filename) {
    AssetManager assetManager = context.getResources().getAssets();
    InputStream inputStream = null;

    try {//from  w  ww. j av a2s  .  c  o m
        String fullFilename = path + File.separator + filename;
        inputStream = assetManager.open(fullFilename);
        if (inputStream != null)
            Log.d("AssetsUtil", "Loaded " + fullFilename);
    } catch (IOException e) {
        e.printStackTrace();
    }
    return inputStream;
}

From source file:Main.java

public static File copyAssets(Context context, String fileName, File outFile) {
    AssetManager assetManager = context.getAssets();
    InputStream in = null;//from   w  w  w  . ja v a2 s . c o  m
    OutputStream out = null;
    try {
        in = assetManager.open(fileName);
        out = new FileOutputStream(outFile);
        copyFile(in, out);
    } catch (IOException e) {
        Log.e("tag", "Failed to copy asset file: " + fileName, e);
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (IOException e) {
                // NOOP
            }
        }
        if (out != null) {
            try {
                out.close();

            } catch (IOException e) {
                // NOOP
            }
        }

    }
    return outFile;
}

From source file:org.anhonesteffort.flock.sync.AppSecureSocketFactory.java

private static SSLContext createAppStoreSSLContext(Context appContext, boolean useFlockTrustStore)
        throws HttpClientError {
    if (appContext == null)
        throw new HttpClientError("application context is null :(");

    KeyStore trustStore;//  w ww  .  j  a  v a 2  s.c  o  m

    try {

        if (useFlockTrustStore) {
            AssetManager assetManager = appContext.getAssets();
            InputStream keyStoreInputStream = assetManager.open("flock.store");
            trustStore = KeyStore.getInstance("BKS");

            trustStore.load(keyStoreInputStream, "owsflock".toCharArray());
        } else {
            trustStore = KeyStore.getInstance("AndroidCAStore");
            trustStore.load(null, null);
        }

        TrustManagerFactory tmf = TrustManagerFactory.getInstance("X509");
        tmf.init(trustStore);

        SSLContext sslContext = SSLContext.getInstance("TLS");
        sslContext.init(null, tmf.getTrustManagers(), null);

        return sslContext;

    } catch (Exception e) {
        Log.e(TAG, "createAppStoreSSLContext() - flock store? " + useFlockTrustStore, e);
        throw new HttpClientError(e.toString());
    }
}

From source file:Main.java

public static void copyAsset(Context context, String assetFileName, String dstFile) {
    AssetManager assetManager = null;
    assetManager = context.getAssets();/*from   w  ww .j  av  a2 s. c  o  m*/
    InputStream inputStream = null;
    FileOutputStream fileOutputStream = null;

    try {
        inputStream = assetManager.open(assetFileName);
        fileOutputStream = new FileOutputStream(dstFile);
        byte[] buffer = new byte[inputStream.available()];
        inputStream.read(buffer);
        fileOutputStream.write(buffer);
        fileOutputStream.flush();
    } catch (Exception ex) {
        ex.printStackTrace();
    } finally {
        try {
            inputStream.close();
            fileOutputStream.close();
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
}

From source file:Main.java

public static String readFile(Activity activity, String fileName) {
    AssetManager assets = activity.getAssets();
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    byte buf[] = new byte[1024];
    int len;//from www . j  a va2 s.c o m
    try {
        InputStream inputStream = assets.open(fileName);
        while ((len = inputStream.read(buf)) != -1) {
            outputStream.write(buf, 0, len);
        }
        outputStream.close();
        inputStream.close();
        return outputStream.toString();
    } catch (IOException e) {
        e.printStackTrace();
        return null;
    }
}

From source file:Main.java

private static Uri getUriFromAsset(Context mContext, String path) {
    File dir = mContext.getExternalCacheDir();

    if (dir == null) {
        Log.e(TAG, "Missing external cache dir");
        return Uri.EMPTY;
    }/*from  w w  w.  j a  v  a2 s  .com*/
    String resPath = path.replaceFirst("file:/", "www");
    String fileName = resPath.substring(resPath.lastIndexOf('/') + 1);
    String storage = dir.toString() + STORAGE_FOLDER;

    if (fileName == null || fileName.isEmpty()) {
        Log.e(TAG, "Filename is missing");
        return Uri.EMPTY;
    }

    File file = new File(storage, fileName);
    FileOutputStream outStream = null;
    InputStream inputStream = null;

    try {
        File fileStorage = new File(storage);
        if (!fileStorage.mkdir())
            Log.e(TAG, "Storage directory could not be created: " + storage);

        AssetManager assets = mContext.getAssets();
        outStream = new FileOutputStream(file);
        inputStream = assets.open(resPath);

        copyFile(inputStream, outStream);
        outStream.flush();
        outStream.close();
        return Uri.fromFile(file);
    } catch (FileNotFoundException e) {
        Log.e(TAG, "File not found: assets/" + resPath);
    } catch (IOException ioe) {
        Log.e(TAG, "IOException occured");
    } catch (SecurityException secEx) {
        Log.e(TAG, "SecurityException: directory creation denied");
    } finally {
        try {
            if (inputStream != null) {
                inputStream.close();
            }
            if (outStream != null) {
                outStream.flush();
                outStream.close();
            }
        } catch (IOException ioe) {
            Log.e(TAG, "IOException occured while closing/flushing streams");
        }
    }
    return Uri.EMPTY;
}

From source file:Main.java

/**
 * read a Text file from assets.//from  w  ww  . ja v a2s  .com
 * 
 * @param context
 * @param fileName
 * @return Text
 * @throws IOException
 */
public static String readTextFromAsset(Context context, String fileName) throws IOException {
    AssetManager am = context.getResources().getAssets();
    BufferedReader br = null;

    StringBuilder sb = new StringBuilder();
    try {
        br = new BufferedReader(new InputStreamReader(am.open(fileName), "UTF-8"));
    } catch (UnsupportedEncodingException e) {
        // ignore.
        return null;
    }

    String str;
    while ((str = br.readLine()) != null) {
        sb.append(str + "\n");
    }
    if (br != null)
        br.close();

    return sb.toString();
}