Example usage for java.io FileWriter toString

Introduction

In this page you can find the example usage for java.io FileWriter toString.

Prototype

public String toString() 

Source Link

Document

Returns a string representation of the object.

Usage

From source file:nz.ac.auckland.lablet.script.ScriptRunnerActivity.java

/**
 * Extracts the user answers from a bundle and saves them to a file.
 *
 * @param bundle the top-level (script-level) bundle of data
 * @param fileWriter the FileWriter object in which to write user answers
 * @return true if everything is written successfully; false otherwise
 *///from w w  w  .  j  a va  2  s .c  o m
private boolean saveUserAnswersToFile(@Nullable Bundle bundle, @Nullable FileWriter fileWriter) {
    if (bundle == null || fileWriter == null) {
        return false;
    }

    try {
        // write timestamp and script name to file
        fileWriter.write((new Date()).toString() + "\n");
        fileWriter.write(bundle.getString("script_name", "unknown_script") + "\n\n");

        int i = 0;
        Bundle sheet;
        Bundle child;

        // for all sheets in bundle ("0", "1", "2", ...)
        while ((sheet = bundle.getBundle(Integer.toString(i++))) != null) {
            int j = 0;
            int k = 0;
            boolean sheet_label_printed = false;

            // for all child objects ("child0", "child1", "child2", ...)
            while ((child = sheet.getBundle("child" + Integer.toString(j++))) != null) {
                String question;
                String answer;

                // if child has a "question" and "answer" field
                if ((question = child.getString("question")) != null
                        && (answer = child.getString("answer")) != null) {

                    // print sheet title if not printed yet
                    if (!sheet_label_printed) {
                        fileWriter.write("Sheet" + Integer.toString(i - 1) + "\n--------\n");
                        sheet_label_printed = true;
                    }

                    // print question
                    fileWriter.write(String.format(Locale.US, "Q%d: %s\n", ++k, question));

                    // print answer
                    fileWriter.write(String.format(Locale.US, "%s\n\n", answer));
                }
            }
        }
    } catch (IOException e) {
        // ERROR
        Log.e(TAG, "Error: ", e);
        Log.e(TAG, "Could not write user answers to file: " + fileWriter.toString());
        try {
            fileWriter.close();
        } catch (IOException e1) {
            Log.w(TAG, "Error: ", e1);
            Log.w(TAG, "Could not close user answer file: " + fileWriter.toString());
        }
        return false;
    }
    try {
        // flush and close file with user answers
        fileWriter.close();
    } catch (IOException e) {
        Log.w(TAG, "Error: ", e);
        Log.w(TAG, "Could not close user answer file: " + fileWriter.toString());
    }

    // SUCCESS
    Log.i(TAG, "User answer saved successfully to: " + fileWriter.toString());
    return true;
}

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