JSPDiscussion.FileReviewHandler.java Source code

Introduction

Here is the source code for JSPDiscussion.FileReviewHandler.java

Source

/*
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package JSPDiscussion;

import JSPDiscussion.reviews.Review;
import com.google.common.collect.Lists;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

public class FileReviewHandler implements ReviewDataHandler {

    private String fileName;

    //Constructor 
    public FileReviewHandler(String fileName) {
        this.fileName = fileName;
    }

    public String getFileName() {
        return fileName;
    }

    public void setFileName(String fileName) {
        this.fileName = fileName;
    }

    public void addReview(Review review) {
        try {
            BufferedWriter writer = new BufferedWriter(new FileWriter(getFileName(), true));
            writer.write(review.toFileString() + "\n");
            writer.close();

        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public void addUser(User user) {
        try {
            BufferedWriter writer = new BufferedWriter(new FileWriter(getFileName(), true));
            writer.write(user.toFileString() + "\n");
            writer.close();

        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    @Override
    public List<Review> getReviews() {
        List<Review> list = new ArrayList<Review>();

        try {
            BufferedReader reader = new BufferedReader(new FileReader(getFileName()));

            String line;

            while ((line = reader.readLine()) != null) {
                Review review = new Review();
                review.loadFromFileString(line);
                list.add(review);
            }

        } catch (IOException e) {
            e.printStackTrace();
        }
        //return reversed list
        List<Review> reverseView = Lists.reverse(list);
        return reverseView;

    }

}