Resource管理工具

ResourceUtils.java

public class ResourceUtils {

	public static String getFileFromAssets(Context context,String fileName) {
		if(context == null || TextUtils.isEmpty(fileName)) {
			return null;
		}

		StringBuilder s = new StringBuilder("");
		try {
			InputStreamReader in = new InputStreamReader(context.getResources().getAssets().open(fileName));
			BufferedReader br = new BufferedReader(in);
			String line;
			while((line = br.readLine()) != null) {
				s.append(line);
			}
			return s.toString();
		} catch (IOException e) {
			e.printStackTrace();
			return null;
		}
	}

	public static String geFileFromRaw(Context context, int resId) {
        if (context == null) {
            return null;
        }

        StringBuilder s = new StringBuilder();
        try {
            InputStreamReader in = new InputStreamReader(context.getResources().openRawResource(resId));
            BufferedReader br = new BufferedReader(in);
            String line;
            while ((line = br.readLine()) != null) {
                s.append(line);
            }
            return s.toString();
        } catch (IOException e) {
            e.printStackTrace();
            return null;
        }
    }
	
	public static List<String> getFileToListFromAssets(Context context,String fileName) {
		if(context == null || TextUtils.isEmpty(fileName)) {
			return null;
		}

		List<String> fileContent = new ArrayList<String>();
		try{
			InputStreamReader in = new InputStreamReader(context.getResources().getAssets().open(fileName));
			BufferedReader br = new BufferedReader(in);
			String line;
			while((line = br.readLine()) != null){
				fileContent.add(line);
			}
			br.close();
			return fileContent;
		} catch (IOException e) {
			e.printStackTrace();
			return null;
		}
	}

	 public static List<String> geFileToListFromRaw(Context context, int resId) {
        if (context == null) {
            return null;
        }

        List<String> fileContent = new ArrayList<String>();
        BufferedReader reader = null;
        try {
            InputStreamReader in = new InputStreamReader(context.getResources().openRawResource(resId));
            reader = new BufferedReader(in);
            String line = null;
            while ((line = reader.readLine()) != null) {
                fileContent.add(line);
            }
            reader.close();
            return fileContent;
        } catch (IOException e) {
            e.printStackTrace();
            return null;
        }
    }
}