141 lines
4.1 KiB
Java
141 lines
4.1 KiB
Java
import java.util.ArrayList;
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/**
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* New class TextOutput
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* This class puts out the finished text and formats the text if wanted.
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* Author: Leonardo Brandenberger
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* Date: 12.11.2021
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*/
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public class TextOutput {
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private boolean formatRaw;
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private int columnWidth = 20;
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/**
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* Method that checks in which way the paragraphs should be displayed and then calls the corresponding
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* method to output the text as desired.
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*
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* @param text the ArrayList which is then formatted into the desired output.
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*/
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public void print(ArrayList<String> text) {
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if (text.size() == 0) {
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errorMissingText();
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} else if (formatRaw) {
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printFormated(text);
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} else {
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toFormat(text);
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}
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}
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/**
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* Method to print out the paragraphs in numerical order and with the whole paragraph as its length.
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*
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* @param text the ArrayList which is used for the output
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*/
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private void printFormated(ArrayList<String> text) {
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for (int counter = 0; counter < text.size(); counter++) {
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System.out.println("<" + (counter + 1) + ">: <" + text.get(counter) + ">");
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}
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}
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/**
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* Method to print out the paragraphs with the length taken from columnWidth and adding leftover words to the next
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* paragraph.
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*
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* @param text the ArrayList which is used for the output.
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*/
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private void toFormat(ArrayList<String> text) {
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for (String paragraph : text) {
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int currentLength = 0;
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String[] words = paragraph.split(" ");
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int lastWordNumber = words.length;
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int currentWordNumber = 0;
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for (String word : words) {
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currentWordNumber++;
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if (word.length() >= columnWidth - currentLength && currentWordNumber != 1) {
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System.out.println();
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currentLength = 0;
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}
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System.out.print(word);
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if (!(currentWordNumber == lastWordNumber)) {
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System.out.print(" ");
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currentLength = currentLength + word.length() + 1;
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} else {
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System.out.println();
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}
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}
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System.out.println();
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}
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}
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/**
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* Method which sets the Variable formatRaw to true.
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*
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* @return true to indicate that it was successful.
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*/
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public boolean formatRaw() {
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formatRaw = true;
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return true;
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}
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/**
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* Method to set the formatRaw to false and also to set the length of the desired paragraph length in order to limit
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* the paragraph length when printing the text.
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*
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* @param length the paragraph length when printing the text.
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*/
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public void formatFix(int length) {
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if (length > 0) {
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formatRaw = false;
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columnWidth = length;
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userInfoOutput("Command was successful");
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} else {
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System.err.println("Minimum length has to be greater than 0");
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}
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}
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/**
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* Method which outputs user information.
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*
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* @param info User information received as a String.
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*/
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public void userInfoOutput(String info) {
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System.out.println(info);
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}
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/**
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* Outputs the index that contains words with corresponding paragraphs.
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*
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* @param index ArrayList with words and in which part they have
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*/
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public void indexOutput(ArrayList<String> index) {
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if (index.size() == 0) {
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userInfoOutput("index empty");
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} else {
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for (String word : index) {
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System.out.println(word);
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}
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}
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}
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/**
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* Method to give out the Error "Invalid Paragraph".
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*/
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public void errorInvalidParagraph() {
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System.err.println("Invalid Paragraph");
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}
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/**
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* Method to give out the Error "Invalid Command".
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*/
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public void errorInvalidCommand() {
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System.err.println("Invalid Command");
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}
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/**
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* Method to give out the Error "Missing Text".
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*/
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public void errorMissingText() {
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System.err.println("Missing Text");
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}
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}
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