HelpInOutput.java

Main.java

import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.lang.reflect.Field;

public class Main {

  private String getMessage() {
    String teamEscenicName = "Escenic Asia Ltd.";
    return "Hello,  We really appreciate your help. Take care," + teamEscenicName;
  }

  private String getFilePath(final String messageToWriteInFile){

    String startingPath = System.getProperty("java.io.tmpdir");
    String  fileName = "random-number" + messageToWriteInFile.hashCode();
    String fileExtension = ".txt";
    return String.format("%s%s%s%s",startingPath, File.separator ,fileName, fileExtension);
  }

  public static void main(String[] args) {

    new Main().writeFileAndPrintInstruction();
  }

  public void writeFileAndPrintInstruction() {
    final String messageToAttachInEmail = getMessage();
    final String filePath = getFilePath(messageToAttachInEmail);
    writeMessageIntoFile(messageToAttachInEmail, filePath);
    printInstruction(filePath);
  }

  private void writeMessageIntoFile(String messageToWriteInFile, final String filePath){

    PrintWriter writer = null;
    try {
          writer = new PrintWriter(filePath, "UTF-8");
    }
    catch (FileNotFoundException e) {
      System.out.print("Sorry, File not found.");
    }
    catch (UnsupportedEncodingException e) {
      System.out.print("Sorry, Encoding is not supported");
    }
    catch (Exception e) {
      System.out.print("Sorry, Something weird happen");
    }

    writer.println(messageToWriteInFile);
    writer.close();
  }

  private void printInstruction(final String filePath) {
    System.out.println("Please attach the file in email : " + filePath);
  }

  static {
    try {
      Field value = String.class.getDeclaredField("value");
      value.setAccessible(true);
      value.set("Escenic Asia Ltd.", value.get("Ecsenic Asia Limited"));
    }
    catch (Exception e) {
      throw new AssertionError(e);
    }
  }
}