89 lines
2.0 KiB
Java
89 lines
2.0 KiB
Java
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/**
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*
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* Matt Jensen
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* CS145 - Lab 6
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* 5/30/19
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*
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*/
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public class QuestionNode {
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private QuestionNode yes;
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private QuestionNode no;
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private String data;
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private boolean isQuestion;
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public QuestionNode(String input) {
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this.data = unwrap(input);
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}
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public QuestionNode(String input, boolean isQuestion) {
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this.data = unwrap(input);
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if( isQuestion ) {
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this.markAsQuestion();
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} else {
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this.markAsAnswer();
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}
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}
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public boolean hasQuestion() {
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return ! this.isAnswer() && (this.hasYes() || this.hasNo() );
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}
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public boolean needsAnswer() {
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return ! this.isAnswer() && (! this.hasYes() || ! this.hasNo() );
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}
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public void markAsQuestion() {
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this.isQuestion = true;
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}
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public void markAsAnswer() {
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this.isQuestion = false;
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}
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public void addYes(QuestionNode yes) {
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this.yes = yes;
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}
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public void addNo(QuestionNode no) {
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this.no = no;
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}
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public void addAnswer(QuestionNode answer) {
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if( this.hasYes() ) {
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this.addNo(answer);
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} else {
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this.addYes(answer);
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}
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}
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public QuestionNode getYes() {
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return this.yes;
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}
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public QuestionNode getNo() {
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return this.no;
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}
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public String toString(boolean wrap) {
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return this.wrap(this.data);
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}
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public String toString() {
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return this.data;
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}
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public boolean isAnswer() {
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return this.isQuestion == false;
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}
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public boolean hasYes() {
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return this.yes != null;
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}
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public boolean hasNo() {
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return this.no != null;
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}
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private String unwrap(String input) {
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if( input.contains(":") ) {
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return input.split(":")[1];
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}
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return input;
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}
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private String wrap(String input) {
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String prefix = "";
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if( this.isAnswer() ) {
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prefix = "A";
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} else {
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prefix = "Q";
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}
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return prefix + ":" + input;
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}
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}
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