Mega Code Archive
Reads all text from asset with specified path
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//package ru.kvolkov.myreader.utils;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import android.content.Context;
import android.util.Log;
class AssetsHelper {
private static final String TAG = "AssetsHelper";
private static final int BUFFER_SIZE = 65536;
private Context m_context;
/**
* Represents a helper for work with assets.
*
* @param context
* An application context.
*/
public AssetsHelper(Context context) {
m_context = context;
}
/**
* Reads all text from asset with specified path.
*
* @param assetPath
* A path to asset which should be read.
* @return A string with asset content or empty string if asset is not
* exists.
*/
public String readAllText(String assetPath) {
InputStream stream = null;
try {
stream = m_context.getAssets().open(assetPath);
return readAllText(stream);
} catch (IOException e) {
Log.e(TAG, "Error on asset reading.", e);
} finally {
closeStream(stream);
}
return "";
}
private static String readAllText(InputStream stream) throws IOException {
Reader reader = new InputStreamReader(stream);
final char[] buffer = new char[BUFFER_SIZE];
StringBuilder result = new StringBuilder();
int read;
while (true) {
read = reader.read(buffer, 0, BUFFER_SIZE);
if (read > 0) {
result.append(buffer, 0, read);
continue;
}
return result.toString();
}
}
private static void closeStream(InputStream stream) {
if (stream != null) {
try {
stream.close();
} catch (IOException e) {
Log.e(TAG, "Error on asset reading.", e);
}
}
}
}
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