package com.qxueyou.scc.exercise.service.impl.node;
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import java.math.BigDecimal;
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import java.math.BigInteger;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import org.apache.commons.lang3.StringUtils;
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import com.qxueyou.scc.exercise.model.ExerciseItem;
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import com.qxueyou.scc.exercise.model.ExerciseItemAnalisi;
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import com.qxueyou.scc.exercise.model.ExerciseItemOption;
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import com.qxueyou.scc.exercise.service.impl.Node;
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import com.qxueyou.scc.exercise.service.impl.parser.ItemParser;
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public class Item extends Node {
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public Item(){
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setName("ITEM");
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setParser(new ItemParser());
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}
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@Override
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public boolean isComplete() {
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ItemType type = (ItemType) getParent();
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if(type.getType()!=ItemType.TYPE_TRUE_OR_FALSE){
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if(getChildren().isEmpty()){
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return false;
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}
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}
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return getTitle().length()>4;
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}
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@SuppressWarnings("unchecked")
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public List<Option> getOptions(){
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List<Node> children = getChildren();
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if(children.isEmpty()){
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return Collections.EMPTY_LIST;
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}
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List<Option> options = new ArrayList<Option>(children.size());
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for(Node node:children){
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options.add((Option) node);
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}
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return options;
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}
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public Option getOption(String no){
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Node node = getChild("NO", no);
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return node==null?null:(Option)node;
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}
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public void setNo(String no){
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setAttribute("NO",no);
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}
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public void setTitle(String title){
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setAttribute("TITLE",title);
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}
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public void setAnalysis(String analysis){
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setAttribute("ANALYSIS",analysis);
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}
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public String getNo(){
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return (String) getAttribute("NO");
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}
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public String getAnswer(){
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return (String) getAttribute("ANSWER");
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}
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public void setAnswer(String answer){
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setAttribute("ANSWER",answer);
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}
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public String getTitle(){
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return (String) getAttribute("TITLE");
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}
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public String getAnalysis(){
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return (String) getAttribute("ANALYSIS");
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}
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/**
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* ת»»ÎªÊý¾ÝÄ£ÐÍ
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* @return
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*/
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public ExerciseItem convertExerciseItem() {
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//new ExerciseItem
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ExerciseItem item = new ExerciseItem();
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//ת»» ExerciseItemOption
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List<ExerciseItemOption> options = new ArrayList<ExerciseItemOption>();
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//È·±£ÅжÏÌâµÄOPTION
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ensureTrueOrFalseOpt();
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//¸üÐ²ο¼´ð°¸ ×îÖյĴ𰸠¸ñʽÈçA,B,C
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String resultAnswer = updateAnswer();
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for(Option opt:getOptions()){
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if(!opt.isComplete()){
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continue;
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}
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options.add(opt.convertExerciseItemOption());
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}
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// ÉèÖÃÕýÈ·´ð°¸
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item.setAnswer(resultAnswer);
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item.setTitle(this.getTitle());
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item.setType(getExerciseType());
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item.setOptions(options);
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item.setItemNo(Integer.valueOf(getNo()));
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//ת»»½âÎöÄÚÈÝ
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addAnalysis(item);
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//·µ»Ø
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return item;
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}
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/**
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* Ôö¼Ó½âÎöʵÌå
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* @param item
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*/
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private void addAnalysis(ExerciseItem item) {
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if(StringUtils.isEmpty(getAnalysis())){
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return;
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}
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ExerciseItemAnalisi analysis = new ExerciseItemAnalisi();
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analysis.setAnalysis(getAnalysis());
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analysis.setAccuracy(BigDecimal.ZERO);
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analysis.setSubmitCorrectNumber(BigInteger.ZERO);
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analysis.setSubmitNumber(BigInteger.ZERO);
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item.setAnalisis(analysis);
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}
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/**
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* ¸üÐ²ο¼´ð°¸
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*/
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private String updateAnswer() {
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String answer = getAnswer();
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String resultAnswer = "";
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if(StringUtils.isEmpty(answer)){
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return resultAnswer;
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}
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//ÅжÏÌâ
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if(answer.equals("True")||answer.equals("False")){
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Node node = getChild("NO", answer);
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if(node==null){
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return resultAnswer;
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}
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Option opt = (Option) node;
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opt.setCheck(true);
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resultAnswer = answer;
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}else{//µ¥Ñ¡»ò¶àÑ¡Ìâ
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for(int i=0;i<answer.length();i++){
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String optAnswer = String.valueOf(answer.charAt(i));
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Node node = getChild("NO", optAnswer);
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if(node==null){
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return resultAnswer;
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}
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Option opt = (Option) node;
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opt.setCheck(true);
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// Æ´½Ó´ð°¸
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resultAnswer += answer.charAt(i);
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if(i < answer.length()-1){//×îºóÒ»´Î²»Ìí¼Ó
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resultAnswer += ",";
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}
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}
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}
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return resultAnswer;
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}
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/**
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* ÌØÊâ´¦ÀíÅжÏÌâµÄ option£¬×Ô¶¯Ìí¼Ó True ºÍ False Ñ¡Ïî
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*/
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private void ensureTrueOrFalseOpt(){
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ItemType type = (ItemType) getParent();
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if(type.getType()==ItemType.TYPE_TRUE_OR_FALSE){
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getChildren().clear();
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Option optTrue = new Option();
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optTrue.setContent("True");
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optTrue.setNo("True");
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Option optFalse = new Option();
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optFalse.setContent("False");
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optFalse.setNo("False");
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addNode(optTrue);
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addNode(optFalse);
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}
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}
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/**
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* »ñÈ¡Ï°ÌâÀàÐÍ
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* @return
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*/
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public short getExerciseType(){
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ItemType type = (ItemType) (this.getParent());
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String typeStr = type.getType();
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if(ItemType.TYPE_SINGLE.equals(typeStr)){
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return ExerciseItem.TYPE_SINGLE_SELECT;
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}
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if(ItemType.TYPE_MULTI.equals(typeStr)){
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return ExerciseItem.TYPE_MULTI_SELECT;
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}
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if(ItemType.TYPE_TRUE_OR_FALSE.equals(typeStr)){
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return ExerciseItem.TYPE_TRUE_OR_FALSE;
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}
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return ExerciseItem.TYPE_SINGLE_SELECT;
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}
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}
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