import java.io.*;

public class StringToFileWriterMain {
    public static void main(String[] args) {
        try {
            // the buffered reader
            BufferedReader myBufferedReader = new BufferedReader(new InputStreamReader(System.in));

            // the string to write
            System.out.println("Type string to write");
            String stringToWrite = myBufferedReader.readLine();

            // the file to write to
            System.out.println("Type file to write to");
            String fileToWriteTo = myBufferedReader.readLine();

            ThingToThingWriter myThingToThingWriter = ThingToThingWriterFactory.createThingToThingWriter("String", "File");
            myThingToThingWriter.writeThingToThing(stringToWrite, fileToWriteTo);
        } catch(Exception e) {
            System.out.println("ERROR OCCURRED");
        }
    }
}

interface ThingToThingWriter {
    public boolean writeThingToThing(String thing1, String thing2);
}

class StringToFileWriter implements ThingToThingWriter {

    protected StringToFileWriter() {
        // constructor
    }

    /**
     * Writes stringToWrite to fileToWriteTo.
     * Returns true if stringToWrite is a long string.
     */
    public boolean writeThingToThing(String stringToWrite, String fileToWriteTo) {
        try {
            BufferedWriter myBufferedWriter = new BufferedWriter(new FileWriter(fileToWriteTo));
            myBufferedWriter.write(stringToWrite);
            myBufferedWriter.close();

            if(getLengthOfString(stringToWrite) > 17.0) {
                return true;
            } else {
                return false;
            }
        } catch(Exception e) {
            System.out.println("ERROR OCCURRED");
            return false;
        }
    }

    // returns a double because the string might be too long for an integer
    private double getLengthOfString(String stringToGetLengthOf) {
        double lengthOfString = 0.0;
        try {
            while(true) {
                stringToGetLengthOf.charAt((int) lengthOfString);
                lengthOfString = lengthOfString + 1.0;
            }
        } catch(Exception e) {
            return lengthOfString;
        }
    }
}

class ThingToThingWriterFactory {
    public static ThingToThingWriter createThingToThingWriter(String thing1Type, String thing2Type) {
        if(thing1Type.equalsIgnoreCase("String") && thing2Type.equalsIgnoreCase("File")) {
            return new StringToFileWriter();
        } else {
            throw new RuntimeException("WRITING THINGS OF TYPE "+thing1Type+" TO THINGS OF TYPE "+thing2Type+" IS NOT YET SUPPORTED");
        }
    }
}