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Merge remote-tracking branch 'upstream/master'

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tschiman 2017-06-23 16:12:39 -06:00
commit a1a9ec6dd9
100 changed files with 1695 additions and 328 deletions
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2
algorithms/src/main/java/com/baeldung/automata/FiniteStateMachine.java → algorithms/src/main/java/com/baeldung/algorithms/automata/FiniteStateMachine.java
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@ -1,4 +1,4 @@
package com.baeldung.automata;
package com.baeldung.algorithms.automata;
/**
* Finite state machine.

2
algorithms/src/main/java/com/baeldung/automata/RtFiniteStateMachine.java → algorithms/src/main/java/com/baeldung/algorithms/automata/RtFiniteStateMachine.java
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@ -1,4 +1,4 @@
package com.baeldung.automata;
package com.baeldung.algorithms.automata;
/**
* Default implementation of a finite state machine.

2
algorithms/src/main/java/com/baeldung/automata/RtState.java → algorithms/src/main/java/com/baeldung/algorithms/automata/RtState.java
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@ -1,4 +1,4 @@
package com.baeldung.automata;
package com.baeldung.algorithms.automata;
import java.util.ArrayList;
import java.util.List;

2
algorithms/src/main/java/com/baeldung/automata/RtTransition.java → algorithms/src/main/java/com/baeldung/algorithms/automata/RtTransition.java
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@ -1,4 +1,4 @@
package com.baeldung.automata;
package com.baeldung.algorithms.automata;
/**

2
algorithms/src/main/java/com/baeldung/automata/State.java → algorithms/src/main/java/com/baeldung/algorithms/automata/State.java
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@ -1,4 +1,4 @@
package com.baeldung.automata;
package com.baeldung.algorithms.automata;
/**
* State. Part of a finite state machine.

2
algorithms/src/main/java/com/baeldung/automata/Transition.java → algorithms/src/main/java/com/baeldung/algorithms/automata/Transition.java
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@ -1,4 +1,4 @@
package com.baeldung.automata;
package com.baeldung.algorithms.automata;
/**
* Transition in a finite State machine.

109
algorithms/src/main/java/com/baeldung/algorithms/mcts/montecarlo/MonteCarloTreeSearch.java Normal file
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package com.baeldung.algorithms.mcts.montecarlo;
import java.util.List;
import com.baeldung.algorithms.mcts.tictactoe.Board;
import com.baeldung.algorithms.mcts.tree.Node;
import com.baeldung.algorithms.mcts.tree.Tree;
public class MonteCarloTreeSearch {
private static final int WIN_SCORE = 10;
private int level;
private int oponent;
public MonteCarloTreeSearch() {
this.level = 3;
}
public int getLevel() {
return level;
}
public void setLevel(int level) {
this.level = level;
}
private int getMillisForCurrentLevel() {
return 2 * (this.level - 1) + 1;
}
public Board findNextMove(Board board, int playerNo) {
long start = System.currentTimeMillis();
long end = start + 60 * getMillisForCurrentLevel();
oponent = 3 - playerNo;
Tree tree = new Tree();
Node rootNode = tree.getRoot();
rootNode.getState().setBoard(board);
rootNode.getState().setPlayerNo(oponent);
while (System.currentTimeMillis() < end) {
// Phase 1 - Selection
Node promisingNode = selectPromisingNode(rootNode);
// Phase 2 - Expansion
if (promisingNode.getState().getBoard().checkStatus() == Board.IN_PROGRESS)
expandNode(promisingNode);
// Phase 3 - Simulation
Node nodeToExplore = promisingNode;
if (promisingNode.getChildArray().size() > 0) {
nodeToExplore = promisingNode.getRandomChildNode();
}
int playoutResult = simulateRandomPlayout(nodeToExplore);
// Phase 4 - Update
backPropogation(nodeToExplore, playoutResult);
}
Node winnerNode = rootNode.getChildWithMaxScore();
tree.setRoot(winnerNode);
return winnerNode.getState().getBoard();
}
private Node selectPromisingNode(Node rootNode) {
Node node = rootNode;
while (node.getChildArray().size() != 0) {
node = UCT.findBestNodeWithUCT(node);
}
return node;
}
private void expandNode(Node node) {
List<State> possibleStates = node.getState().getAllPossibleStates();
possibleStates.forEach(state -> {
Node newNode = new Node(state);
newNode.setParent(node);
newNode.getState().setPlayerNo(node.getState().getOpponent());
node.getChildArray().add(newNode);
});
}
private void backPropogation(Node nodeToExplore, int playerNo) {
Node tempNode = nodeToExplore;
while (tempNode != null) {
tempNode.getState().incrementVisit();
if (tempNode.getState().getPlayerNo() == playerNo)
tempNode.getState().addScore(WIN_SCORE);
tempNode = tempNode.getParent();
}
}
private int simulateRandomPlayout(Node node) {
Node tempNode = new Node(node);
State tempState = tempNode.getState();
int boardStatus = tempState.getBoard().checkStatus();
if (boardStatus == oponent) {
tempNode.getParent().getState().setWinScore(Integer.MIN_VALUE);
return boardStatus;
}
while (boardStatus == Board.IN_PROGRESS) {
tempState.togglePlayer();
tempState.randomPlay();
boardStatus = tempState.getBoard().checkStatus();
}
return boardStatus;
}
}

97
algorithms/src/main/java/com/baeldung/algorithms/mcts/montecarlo/State.java Normal file
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@ -0,0 +1,97 @@
package com.baeldung.algorithms.mcts.montecarlo;
import java.util.ArrayList;
import java.util.List;
import com.baeldung.algorithms.mcts.tictactoe.Board;
import com.baeldung.algorithms.mcts.tictactoe.Position;
public class State {
private Board board;
private int playerNo;
private int visitCount;
private double winScore;
public State() {
board = new Board();
}
public State(State state) {
this.board = new Board(state.getBoard());
this.playerNo = state.getPlayerNo();
this.visitCount = state.getVisitCount();
this.winScore = state.getWinScore();
}
public State(Board board) {
this.board = new Board(board);
}
Board getBoard() {
return board;
}
void setBoard(Board board) {
this.board = board;
}
int getPlayerNo() {
return playerNo;
}
void setPlayerNo(int playerNo) {
this.playerNo = playerNo;
}
int getOpponent() {
return 3 - playerNo;
}
public int getVisitCount() {
return visitCount;
}
public void setVisitCount(int visitCount) {
this.visitCount = visitCount;
}
double getWinScore() {
return winScore;
}
void setWinScore(double winScore) {
this.winScore = winScore;
}
public List<State> getAllPossibleStates() {
List<State> possibleStates = new ArrayList<>();
List<Position> availablePositions = this.board.getEmptyPositions();
availablePositions.forEach(p -> {
State newState = new State(this.board);
newState.setPlayerNo(3 - this.playerNo);
newState.getBoard().performMove(newState.getPlayerNo(), p);
possibleStates.add(newState);
});
return possibleStates;
}
void incrementVisit() {
this.visitCount++;
}
void addScore(double score) {
if (this.winScore != Integer.MIN_VALUE)
this.winScore += score;
}
void randomPlay() {
List<Position> availablePositions = this.board.getEmptyPositions();
int totalPossibilities = availablePositions.size();
int selectRandom = (int) (Math.random() * ((totalPossibilities - 1) + 1));
this.board.performMove(this.playerNo, availablePositions.get(selectRandom));
}
void togglePlayer() {
this.playerNo = 3 - this.playerNo;
}
}

24
algorithms/src/main/java/com/baeldung/algorithms/mcts/montecarlo/UCT.java Normal file
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@ -0,0 +1,24 @@
package com.baeldung.algorithms.mcts.montecarlo;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import com.baeldung.algorithms.mcts.tree.Node;
public class UCT {
public static double uctValue(int totalVisit, double nodeWinScore, int nodeVisit) {
if (nodeVisit == 0) {
return Integer.MAX_VALUE;
}
return (nodeWinScore / (double) nodeVisit) + 1.41 * Math.sqrt(Math.log(totalVisit) / (double) nodeVisit);
}
static Node findBestNodeWithUCT(Node node) {
int parentVisit = node.getState().getVisitCount();
return Collections.max(
node.getChildArray(),
Comparator.comparing(c -> uctValue(parentVisit, c.getState().getWinScore(), c.getState().getVisitCount())));
}
}

155
algorithms/src/main/java/com/baeldung/algorithms/mcts/tictactoe/Board.java Normal file
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@ -0,0 +1,155 @@
package com.baeldung.algorithms.mcts.tictactoe;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
public class Board {
int[][] boardValues;
int totalMoves;
public static final int DEFAULT_BOARD_SIZE = 3;
public static final int IN_PROGRESS = -1;
public static final int DRAW = 0;
public static final int P1 = 1;
public static final int P2 = 2;
public Board() {
boardValues = new int[DEFAULT_BOARD_SIZE][DEFAULT_BOARD_SIZE];
}
public Board(int boardSize) {
boardValues = new int[boardSize][boardSize];
}
public Board(int[][] boardValues) {
this.boardValues = boardValues;
}
public Board(int[][] boardValues, int totalMoves) {
this.boardValues = boardValues;
this.totalMoves = totalMoves;
}
public Board(Board board) {
int boardLength = board.getBoardValues().length;
this.boardValues = new int[boardLength][boardLength];
int[][] boardValues = board.getBoardValues();
int n = boardValues.length;
for (int i = 0; i < n; i++) {
int m = boardValues[i].length;
for (int j = 0; j < m; j++) {
this.boardValues[i][j] = boardValues[i][j];
}
}
}
public void performMove(int player, Position p) {
this.totalMoves++;
boardValues[p.getX()][p.getY()] = player;
}
public int[][] getBoardValues() {
return boardValues;
}
public void setBoardValues(int[][] boardValues) {
this.boardValues = boardValues;
}
public int checkStatus() {
int boardSize = boardValues.length;
int maxIndex = boardSize - 1;
int[] diag1 = new int[boardSize];
int[] diag2 = new int[boardSize];
for (int i = 0; i < boardSize; i++) {
int[] row = boardValues[i];
int[] col = new int[boardSize];
for (int j = 0; j < boardSize; j++) {
col[j] = boardValues[j][i];
}
int checkRowForWin = checkForWin(row);
if(checkRowForWin!=0)
return checkRowForWin;
int checkColForWin = checkForWin(col);
if(checkColForWin!=0)
return checkColForWin;
diag1[i] = boardValues[i][i];
diag2[i] = boardValues[maxIndex - i][i];
}
int checkDia1gForWin = checkForWin(diag1);
if(checkDia1gForWin!=0)
return checkDia1gForWin;
int checkDiag2ForWin = checkForWin(diag2);
if(checkDiag2ForWin!=0)
return checkDiag2ForWin;
if (getEmptyPositions().size() > 0)
return IN_PROGRESS;
else
return DRAW;
}
private int checkForWin(int[] row) {
boolean isEqual = true;
int size = row.length;
int previous = row[0];
for (int i = 0; i < size; i++) {
if (previous != row[i]) {
isEqual = false;
break;
}
previous = row[i];
}
if(isEqual)
return previous;
else
return 0;
}
public void printBoard() {
int size = this.boardValues.length;
for (int i = 0; i < size; i++) {
for (int j = 0; j < size; j++) {
System.out.print(boardValues[i][j] + " ");
}
System.out.println();
}
}
public List<Position> getEmptyPositions() {
int size = this.boardValues.length;
List<Position> emptyPositions = new ArrayList<>();
for (int i = 0; i < size; i++) {
for (int j = 0; j < size; j++) {
if (boardValues[i][j] == 0)
emptyPositions.add(new Position(i, j));
}
}
return emptyPositions;
}
public void printStatus() {
switch (this.checkStatus()) {
case P1:
System.out.println("Player 1 wins");
break;
case P2:
System.out.println("Player 2 wins");
break;
case DRAW:
System.out.println("Game Draw");
break;
case IN_PROGRESS:
System.out.println("Game In rogress");
break;
}
}
}

31
algorithms/src/main/java/com/baeldung/algorithms/mcts/tictactoe/Position.java Normal file
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@ -0,0 +1,31 @@
package com.baeldung.algorithms.mcts.tictactoe;
public class Position {
int x;
int y;
public Position() {
}
public Position(int x, int y) {
this.x = x;
this.y = y;
}
public int getX() {
return x;
}
public void setX(int x) {
this.x = x;
}
public int getY() {
return y;
}
public void setY(int y) {
this.y = y;
}
}

78
algorithms/src/main/java/com/baeldung/algorithms/mcts/tree/Node.java Normal file
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@ -0,0 +1,78 @@
package com.baeldung.algorithms.mcts.tree;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import com.baeldung.algorithms.mcts.montecarlo.State;
public class Node {
State state;
Node parent;
List<Node> childArray;
public Node() {
this.state = new State();
childArray = new ArrayList<>();
}
public Node(State state) {
this.state = state;
childArray = new ArrayList<>();
}
public Node(State state, Node parent, List<Node> childArray) {
this.state = state;
this.parent = parent;
this.childArray = childArray;
}
public Node(Node node) {
this.childArray = new ArrayList<>();
this.state = new State(node.getState());
if (node.getParent() != null)
this.parent = node.getParent();
List<Node> childArray = node.getChildArray();
for (Node child : childArray) {
this.childArray.add(new Node(child));
}
}
public State getState() {
return state;
}
public void setState(State state) {
this.state = state;
}
public Node getParent() {
return parent;
}
public void setParent(Node parent) {
this.parent = parent;
}
public List<Node> getChildArray() {
return childArray;
}
public void setChildArray(List<Node> childArray) {
this.childArray = childArray;
}
public Node getRandomChildNode() {
int noOfPossibleMoves = this.childArray.size();
int selectRandom = (int) (Math.random() * ((noOfPossibleMoves - 1) + 1));
return this.childArray.get(selectRandom);
}
public Node getChildWithMaxScore() {
return Collections.max(this.childArray, Comparator.comparing(c -> {
return c.getState().getVisitCount();
}));
}
}

26
algorithms/src/main/java/com/baeldung/algorithms/mcts/tree/Tree.java Normal file
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@ -0,0 +1,26 @@
package com.baeldung.algorithms.mcts.tree;
public class Tree {
Node root;
public Tree() {
root = new Node();
}
public Tree(Node root) {
this.root = root;
}
public Node getRoot() {
return root;
}
public void setRoot(Node root) {
this.root = root;
}
public void addChild(Node parent, Node child) {
parent.getChildArray().add(child);
}
}

2
algorithms/src/test/java/algorithms/RtFiniteStateMachineLongRunningUnitTest.java
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@ -1,6 +1,6 @@
package algorithms;
import com.baeldung.automata.*;
import com.baeldung.algorithms.automata.*;
import org.junit.Test;
import static org.junit.Assert.assertTrue;

92
algorithms/src/test/java/algorithms/mcts/MCTSTest.java Normal file
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@ -0,0 +1,92 @@
package algorithms.mcts;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.util.List;
import org.junit.Before;
import org.junit.Test;
import com.baeldung.algorithms.mcts.montecarlo.MonteCarloTreeSearch;
import com.baeldung.algorithms.mcts.montecarlo.State;
import com.baeldung.algorithms.mcts.montecarlo.UCT;
import com.baeldung.algorithms.mcts.tictactoe.Board;
import com.baeldung.algorithms.mcts.tictactoe.Position;
import com.baeldung.algorithms.mcts.tree.Tree;
public class MCTSTest {
private Tree gameTree;
private MonteCarloTreeSearch mcts;
@Before
public void initGameTree() {
gameTree = new Tree();
mcts = new MonteCarloTreeSearch();
}
@Test
public void givenStats_whenGetUCTForNode_thenUCTMatchesWithManualData() {
double uctValue = 15.79;
assertEquals(UCT.uctValue(600, 300, 20), uctValue, 0.01);
}
@Test
public void giveninitBoardState_whenGetAllPossibleStates_thenNonEmptyList() {
State initState = gameTree.getRoot().getState();
List<State> possibleStates = initState.getAllPossibleStates();
assertTrue(possibleStates.size() > 0);
}
@Test
public void givenEmptyBoard_whenPerformMove_thenLessAvailablePossitions() {
Board board = new Board();
int initAvailablePositions = board.getEmptyPositions().size();
board.performMove(Board.P1, new Position(1, 1));
int availablePositions = board.getEmptyPositions().size();
assertTrue(initAvailablePositions > availablePositions);
}
@Test
public void givenEmptyBoard_whenSimulateInterAIPlay_thenGameDraw() {
Board board = new Board();
int player = Board.P1;
int totalMoves = Board.DEFAULT_BOARD_SIZE * Board.DEFAULT_BOARD_SIZE;
for (int i = 0; i < totalMoves; i++) {
board = mcts.findNextMove(board, player);
if (board.checkStatus() != -1) {
break;
}
player = 3 - player;
}
int winStatus = board.checkStatus();
assertEquals(winStatus, Board.DRAW);
}
@Test
public void givenEmptyBoard_whenLevel1VsLevel3_thenLevel3WinsOrDraw() {
Board board = new Board();
MonteCarloTreeSearch mcts1 = new MonteCarloTreeSearch();
mcts1.setLevel(1);
MonteCarloTreeSearch mcts3 = new MonteCarloTreeSearch();
mcts3.setLevel(3);
int player = Board.P1;
int totalMoves = Board.DEFAULT_BOARD_SIZE * Board.DEFAULT_BOARD_SIZE;
for (int i = 0; i < totalMoves; i++) {
if (player == Board.P1)
board = mcts3.findNextMove(board, player);
else
board = mcts1.findNextMove(board, player);
if (board.checkStatus() != -1) {
break;
}
player = 3 - player;
}
int winStatus = board.checkStatus();
assertTrue(winStatus == Board.DRAW || winStatus == Board.P1);
}
}

3
drools/README.MD Normal file
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@ -0,0 +1,3 @@
### Relevant Articles:
[Introduction to Drools](http://www.baeldung.com/drools)
[Drools Using Rules from Excel Files](http://www.baeldung.com/drools-excel)

2
drools/pom.xml
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@ -16,7 +16,7 @@
<properties>
<http-component-version>4.4.6</http-component-version>
<drools-version>7.0.0.CR1</drools-version>
<drools-version>7.1.0.Beta2</drools-version>
<apache-poi-version>3.13</apache-poi-version>
</properties>

40
drools/src/main/java/com/baeldung/drools/config/DroolsBeanFactory.java
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@ -1,10 +1,15 @@
package com.baeldung.drools.config;
import org.drools.decisiontable.DecisionTableProviderImpl;
import org.kie.api.KieServices;
import org.kie.api.builder.*;
import org.kie.api.io.KieResources;
import org.kie.api.io.Resource;
import org.kie.api.runtime.KieContainer;
import org.kie.api.runtime.KieSession;
import org.kie.internal.builder.DecisionTableConfiguration;
import org.kie.internal.builder.DecisionTableInputType;
import org.kie.internal.builder.KnowledgeBuilderFactory;
import org.kie.internal.io.ResourceFactory;
import java.io.IOException;
import java.util.Arrays;
@ -64,4 +69,39 @@ public class DroolsBeanFactory {
}
public KieSession getKieSession(Resource dt) {
KieFileSystem kieFileSystem = kieServices.newKieFileSystem()
.write(dt);
KieBuilder kieBuilder = kieServices.newKieBuilder(kieFileSystem)
.buildAll();
KieRepository kieRepository = kieServices.getRepository();
ReleaseId krDefaultReleaseId = kieRepository.getDefaultReleaseId();
KieContainer kieContainer = kieServices.newKieContainer(krDefaultReleaseId);
KieSession ksession = kieContainer.newKieSession();
return ksession;
}
/*
* Can be used for debugging
* Input excelFile example: com/baeldung/drools/rules/Discount.xls
*/
public String getDrlFromExcel(String excelFile) {
DecisionTableConfiguration configuration = KnowledgeBuilderFactory.newDecisionTableConfiguration();
configuration.setInputType(DecisionTableInputType.XLS);
Resource dt = ResourceFactory.newClassPathResource(excelFile, getClass());
DecisionTableProviderImpl decisionTableProvider = new DecisionTableProviderImpl();
String drl = decisionTableProvider.loadFromResource(dt, null);
return drl;
}
}

44
drools/src/main/java/com/baeldung/drools/model/Customer.java Normal file
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@ -0,0 +1,44 @@
package com.baeldung.drools.model;
public class Customer {
private CustomerType type;
private int years;
private int discount;
public Customer(CustomerType type, int numOfYears) {
super();
this.type = type;
this.years = numOfYears;
}
public CustomerType getType() {
return type;
}
public void setType(CustomerType type) {
this.type = type;
}
public int getYears() {
return years;
}
public void setYears(int years) {
this.years = years;
}
public int getDiscount() {
return discount;
}
public void setDiscount(int discount) {
this.discount = discount;
}
public enum CustomerType {
INDIVIDUAL, BUSINESS;
}
}

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drools/src/main/resources/com/baeldung/drools/rules/Discount.xls Normal file
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2
drools/src/test/java/com/baeldung/drools/service/ApplicantServiceIntegrationTest.java
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@ -36,6 +36,7 @@ public class ApplicantServiceIntegrationTest {
applicantService.suggestARoleForApplicant(applicant, suggestedRole);
assertEquals("Senior developer", suggestedRole.getRole());
}
@Test
public void whenCriteriaMatching_ThenSuggestDeveloperRole() throws IOException {
Applicant applicant = new Applicant("Davis", 37, 800000.0, 3);
@ -43,6 +44,7 @@ public class ApplicantServiceIntegrationTest {
applicantService.suggestARoleForApplicant(applicant, suggestedRole);
assertEquals("Developer", suggestedRole.getRole());
}
@Test
public void whenCriteriaNotMatching_ThenNoRole() throws IOException {
Applicant applicant = new Applicant("John", 37, 1200000.0, 5);

56
drools/src/test/java/com/baeldung/drools/service/DiscountExcelIntegrationTest.java Normal file
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@ -0,0 +1,56 @@
package com.baeldung.drools.service;
import static org.junit.Assert.assertEquals;
import org.junit.Before;
import org.junit.Test;
import org.kie.api.io.Resource;
import org.kie.api.runtime.KieSession;
import org.kie.internal.io.ResourceFactory;
import com.baeldung.drools.config.DroolsBeanFactory;
import com.baeldung.drools.model.Customer;
import com.baeldung.drools.model.Customer.CustomerType;
public class DiscountExcelIntegrationTest {
private KieSession kSession;
@Before
public void setup() {
Resource resource = ResourceFactory.newClassPathResource("com/baeldung/drools/rules/Discount.xls", getClass());
kSession = new DroolsBeanFactory().getKieSession(resource);
}
@Test
public void giveIndvidualLongStanding_whenFireRule_thenCorrectDiscount() throws Exception {
Customer customer = new Customer(CustomerType.INDIVIDUAL, 5);
kSession.insert(customer);
kSession.fireAllRules();
assertEquals(customer.getDiscount(), 15);
}
@Test
public void giveIndvidualRecent_whenFireRule_thenCorrectDiscount() throws Exception {
Customer customer = new Customer(CustomerType.INDIVIDUAL, 1);
kSession.insert(customer);
kSession.fireAllRules();
assertEquals(customer.getDiscount(), 5);
}
@Test
public void giveBusinessAny_whenFireRule_thenCorrectDiscount() throws Exception {
Customer customer = new Customer(CustomerType.BUSINESS, 0);
kSession.insert(customer);
kSession.fireAllRules();
assertEquals(customer.getDiscount(), 20);
}
}

1
drools/src/test/java/com/baeldung/drools/service/ProductServiceIntegrationTest.java
View File

@ -3,6 +3,7 @@ package com.baeldung.drools.service;
import com.baeldung.drools.model.Product;
import org.junit.Before;
import org.junit.Test;
import static junit.framework.TestCase.assertEquals;

52
jmh/pom.xml Normal file
View File

@ -0,0 +1,52 @@
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.baeldung</groupId>
<artifactId>jmh</artifactId>
<packaging>jar</packaging>
<version>1.0-SNAPSHOT</version>
<name>jmh</name>
<url>http://maven.apache.org</url>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.openjdk.jmh</groupId>
<artifactId>jmh-core</artifactId>
<version>1.19</version>
</dependency>
<dependency>
<groupId>org.openjdk.jmh</groupId>
<artifactId>jmh-generator-annprocess</artifactId>
<version>1.19</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<configuration>
<archive>
<manifest>
<mainClass>com.baeldung.Application</mainClass>
</manifest>
</archive>
</configuration>
</plugin>
</plugins>
</build>
</project>

14
jmh/src/main/java/com/baeldung/Application.java Normal file
View File

@ -0,0 +1,14 @@
package com.baeldung;
import java.io.IOException;
import org.openjdk.jmh.Main;
import org.openjdk.jmh.runner.RunnerException;
public class Application {
public static void main(String[] args) throws RunnerException, IOException {
Main.main(args);
}
}

12
jmh/src/main/java/com/baeldung/BenchMark.java Normal file
View File

@ -0,0 +1,12 @@
package com.baeldung;
import org.openjdk.jmh.annotations.Benchmark;
public class BenchMark {
@Benchmark
public void init() {
}
}

0
jmh/src/main/resources/META-INF/BenchmarkList Normal file
View File

38
jmh/src/test/java/com/baeldung/AppTest.java Normal file
View File

@ -0,0 +1,38 @@
package com.baeldung;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
/**
* Unit test for simple App.
*/
public class AppTest
extends TestCase
{
/**
* Create the test case
*
* @param testName name of the test case
*/
public AppTest( String testName )
{
super( testName );
}
/**
* @return the suite of tests being tested
*/
public static Test suite()
{
return new TestSuite( AppTest.class );
}
/**
* Rigourous Test :-)
*/
public void testApp()
{
assertTrue( true );
}
}

1
libraries/README.md
View File

@ -16,6 +16,7 @@
- [Software Transactional Memory in Java Using Multiverse](http://www.baeldung.com/java-multiverse-stm)
- [Introduction to HikariCP](http://www.baeldung.com/hikaricp)
- [Serenity BDD with Spring and JBehave](http://www.baeldung.com/serenity-spring-jbehave)
- [Locality-Sensitive Hashing in Java Using Java-LSH](http://www.baeldung.com/locality-sensitive-hashing)
The libraries module contains examples related to small libraries that are relatively easy to use and does not require any separate module of its own.

26
libraries/pom.xml
View File

@ -70,6 +70,32 @@
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.asciidoctor</groupId>
<artifactId>asciidoctor-maven-plugin</artifactId>
<version>1.5.5</version>
<dependencies>
<dependency>
<groupId>org.asciidoctor</groupId>
<artifactId>asciidoctorj-pdf</artifactId>
<version>1.5.0-alpha.15</version>
</dependency>
</dependencies>
<executions>
<execution>
<id>output-pdf</id>
<phase>generate-resources</phase>
<goals>
<goal>process-asciidoc</goal>
</goals>
</execution>
</executions>
<configuration>
<sourceDirectory>src/docs/asciidoc</sourceDirectory>
<outputDirectory>target/docs/asciidoc</outputDirectory>
<backend>pdf</backend>
</configuration>
</plugin>
</plugins>
</build>

3
libraries/src/docs/asciidoc/test.adoc Normal file
View File

@ -0,0 +1,3 @@
== Introduction Section
Hi. I'm a simple test to see if this Maven build is working. If you see me in a nice PDF, then it means everything is [red]#working#.

8
libraries/src/main/java/com/baeldung/asciidoctor/AsciidoctorDemo.java
View File

@ -13,7 +13,7 @@ public class AsciidoctorDemo {
private final Asciidoctor asciidoctor;
public AsciidoctorDemo() {
AsciidoctorDemo() {
asciidoctor = create();
}
@ -23,11 +23,11 @@ public class AsciidoctorDemo {
.backend("pdf")
.asMap();
final String outfile = asciidoctor.convertFile(new File("sample.adoc"), options);
}
public String generateHTMLFromString(final String input) {
final String output = asciidoctor.convert("Hello _Baeldung_!", new HashMap<String, Object>());
return output;
String generateHTMLFromString(final String input) {
return asciidoctor.convert("Hello _Baeldung_!", new HashMap<String, Object>());
}
}

2
libraries/src/main/java/com/baeldung/jmh/JmhDemo.java
View File

@ -6,9 +6,7 @@ import org.openjdk.jmh.Main;
import org.openjdk.jmh.runner.RunnerException;
public class JmhDemo {
public static void main(String[] args) throws RunnerException, IOException {
Main.main(args);
}
}

19
libraries/src/main/java/com/baeldung/jmh/warmup/MainApplication.java Normal file
View File

@ -0,0 +1,19 @@
package com.baeldung.jmh.warmup;
public class MainApplication {
static {
long start = System.nanoTime();
ManualClassLoader.load();
long end = System.nanoTime();
System.out.println("Warm Up time : " + (end - start));
}
public static void main(String[] args) {
long start = System.nanoTime();
ManualClassLoader.load();
long end = System.nanoTime();
System.out.println("Total time taken : " + (end - start));
}
}

17
libraries/src/main/java/com/baeldung/jmh/warmup/ManualClassLoader.java Normal file
View File

@ -0,0 +1,17 @@
package com.baeldung.jmh.warmup;
import com.baeldung.jmh.warmup.dummy.Dummy;
public class ManualClassLoader {
public static void load() {
for (int i = 0; i < 100000; i++) {
// load all(or most) important classes
Dummy dummy = new Dummy();
dummy.m();
}
}
}

9
libraries/src/main/java/com/baeldung/jmh/warmup/dummy/Dummy.java Normal file
View File

@ -0,0 +1,9 @@
package com.baeldung.jmh.warmup.dummy;
public class Dummy {
public void m() {
}
}

3
libraries/src/test/java/com/baeldung/commons/lang3/ArrayUtilsUnitTest.java
View File

@ -2,8 +2,9 @@ package com.baeldung.commons.lang3;
import org.apache.commons.lang3.ArrayUtils;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
public class ArrayUtilsUnitTest {
@Test

4
libraries/src/test/java/com/baeldung/hikaricp/HikariCPUnitTest.java
View File

@ -1,9 +1,9 @@
package com.baeldung.hikaricp;
import java.util.List;
import org.junit.Test;
import java.util.List;
import static org.junit.Assert.assertEquals;
public class HikariCPUnitTest {

10
libraries/src/test/java/com/baeldung/javassist/JavasisstUnitTest.java
View File

@ -4,7 +4,15 @@ package com.baeldung.javassist;
import javassist.CannotCompileException;
import javassist.ClassPool;
import javassist.NotFoundException;
import javassist.bytecode.*;
import javassist.bytecode.AccessFlag;
import javassist.bytecode.BadBytecode;
import javassist.bytecode.Bytecode;
import javassist.bytecode.ClassFile;
import javassist.bytecode.CodeAttribute;
import javassist.bytecode.CodeIterator;
import javassist.bytecode.FieldInfo;
import javassist.bytecode.MethodInfo;
import javassist.bytecode.Mnemonic;
import org.junit.Test;
import java.io.DataOutputStream;

10
libraries/src/test/java/com/baeldung/javatuples/JavaTuplesUnitTest.java
View File

@ -1,10 +1,5 @@
package com.baeldung.javatuples;
import static org.assertj.core.api.Assertions.assertThat;
import java.util.Arrays;
import java.util.List;
import org.javatuples.KeyValue;
import org.javatuples.LabelValue;
import org.javatuples.Pair;
@ -13,6 +8,11 @@ import org.javatuples.Triplet;
import org.javatuples.Unit;
import org.junit.Test;
import java.util.Arrays;
import java.util.List;
import static org.assertj.core.api.Assertions.assertThat;
public class JavaTuplesUnitTest {
@SuppressWarnings("unused")

4
libraries/src/test/java/com/baeldung/jdo/GuideToJDOIntegrationTest.java
View File

@ -93,9 +93,7 @@ public class GuideToJDOIntegrationTest {
Query q = pm2.newQuery("SELECT FROM " + Product.class.getName() + " WHERE price == 200");
@SuppressWarnings("unchecked")
List<Product> products = (List<Product>) q.execute();
Iterator<Product> iter = products.iterator();
while (iter.hasNext()) {
Product p = iter.next();
for (Product p : products) {
assertEquals("Laptop", p.name);
}

4
libraries/src/test/java/com/baeldung/jsonassert/JsonAssertUnitTest.java
View File

@ -1,8 +1,6 @@
package com.baeldung.jsonassert;
import static org.assertj.core.api.Assertions.assertThat;
import org.json.JSONException;
import org.json.JSONObject;
import org.junit.Test;
@ -13,6 +11,8 @@ import org.skyscreamer.jsonassert.RegularExpressionValueMatcher;
import org.skyscreamer.jsonassert.comparator.ArraySizeComparator;
import org.skyscreamer.jsonassert.comparator.CustomComparator;
import static org.assertj.core.api.Assertions.assertThat;
public class JsonAssertUnitTest {
@Test

9
libraries/src/test/java/com/baeldung/junitparams/SafeAdditionUtilTest.java
View File

@ -1,13 +1,12 @@
package com.baeldung.junitparams;
import static org.junit.Assert.*;
import org.junit.Test;
import org.junit.runner.RunWith;
import junitparams.FileParameters;
import junitparams.JUnitParamsRunner;
import junitparams.Parameters;
import org.junit.Test;
import org.junit.runner.RunWith;
import static org.junit.Assert.assertEquals;
@RunWith(JUnitParamsRunner.class)
public class SafeAdditionUtilTest {

25
libraries/src/test/java/com/baeldung/opennlp/OpenNLPTests.java
View File

@ -1,15 +1,5 @@
package com.baeldung.opennlp;
import static org.junit.Assert.assertEquals;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import org.junit.Test;
import opennlp.tools.chunker.ChunkerME;
import opennlp.tools.chunker.ChunkerModel;
import opennlp.tools.cmdline.postag.POSModelLoader;
@ -31,6 +21,15 @@ import opennlp.tools.util.ObjectStream;
import opennlp.tools.util.PlainTextByLineStream;
import opennlp.tools.util.Span;
import opennlp.tools.util.TrainingParameters;
import org.junit.Test;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import static org.junit.Assert.assertEquals;
public class OpenNLPTests {
@ -48,8 +47,6 @@ public class OpenNLPTests {
String sentences[] = sdetector.sentDetect(text);
assertEquals(4, sentences.length);
is.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
@ -68,8 +65,6 @@ public class OpenNLPTests {
String[] names = Span.spansToStrings(nameSpans, sentence);
assertEquals(1, names.length);
assertEquals("James Jordan", names[0]);
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
@ -88,8 +83,6 @@ public class OpenNLPTests {
String[] locations = Span.spansToStrings(locationSpans, sentence);
assertEquals(1, locations.length);
assertEquals("Oklahoma", locations[0]);
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}

3
libraries/src/test/java/com/baeldung/serenity/GithubUserProfilePayloadIntegrationTest.java
View File

@ -2,9 +2,6 @@ package com.baeldung.serenity;
import net.serenitybdd.jbehave.SerenityStory;
/**
* @author aiet
*/
public class GithubUserProfilePayloadIntegrationTest extends SerenityStory {
}

6
libraries/src/test/java/com/baeldung/serenity/GoogleSearchLiveTest.java
View File

@ -13,13 +13,11 @@ import static org.hamcrest.CoreMatchers.containsString;
import static org.junit.Assert.assertThat;
import static org.openqa.selenium.support.ui.ExpectedConditions.visibilityOfElementLocated;
/**
* @author aiet
*/
@RunWith(SerenityRunner.class)
public class GoogleSearchLiveTest {
@Managed(driver = "chrome") private WebDriver browser;
@Managed(driver = "chrome")
private WebDriver browser;
@Test
public void whenGoogleBaeldungThenShouldSeeEugen() {

8
libraries/src/test/java/com/baeldung/serenity/GoogleSearchPageObjectLiveTest.java
View File

@ -7,15 +7,13 @@ import org.junit.Test;
import org.junit.runner.RunWith;
import org.openqa.selenium.WebDriver;
/**
* @author aiet
*/
@RunWith(SerenityRunner.class)
public class GoogleSearchPageObjectLiveTest {
@Managed(driver = "chrome") private WebDriver browser;
@Managed(driver = "chrome")
private WebDriver browser;
GoogleSearchPageObject googleSearch;
private GoogleSearchPageObject googleSearch;
@Test
public void whenGoogleBaeldungThenShouldSeeEugen() {

13
libraries/src/test/java/com/baeldung/serenity/GoogleSearchScreenplayLiveTest.java
View File

@ -12,19 +12,20 @@ import org.junit.Test;
import org.junit.runner.RunWith;
import org.openqa.selenium.WebDriver;
import static net.serenitybdd.screenplay.GivenWhenThen.*;
import static net.serenitybdd.screenplay.GivenWhenThen.givenThat;
import static net.serenitybdd.screenplay.GivenWhenThen.seeThat;
import static net.serenitybdd.screenplay.GivenWhenThen.then;
import static net.serenitybdd.screenplay.GivenWhenThen.when;
import static org.hamcrest.CoreMatchers.containsString;
import static org.hamcrest.CoreMatchers.hasItem;
/**
* Unit test for simple App.
*/
@RunWith(SerenityRunner.class)
public class GoogleSearchScreenplayLiveTest {
@Managed(driver = "chrome") WebDriver browser;
@Managed(driver = "chrome")
private WebDriver browser;
Actor kitty = Actor.named("kitty");
private Actor kitty = Actor.named("kitty");
@Before
public void setup() {

3
libraries/src/test/java/com/baeldung/serenity/MemberStatusIntegrationTest.java
View File

@ -16,7 +16,8 @@ import static com.baeldung.serenity.membership.MemberGrade.Silver;
@RunWith(SerenityRunner.class)
public class MemberStatusIntegrationTest {
@Steps MemberStatusSteps memberSteps;
@Steps
private MemberStatusSteps memberSteps;
@Test
public void membersShouldStartWithBronzeStatus() {

11
libraries/src/test/java/com/baeldung/serenity/github/GithubRestAssuredUserAPISteps.java
View File

@ -8,25 +8,22 @@ import java.io.IOException;
import static net.serenitybdd.rest.SerenityRest.rest;
import static net.serenitybdd.rest.SerenityRest.then;
/**
* @author aiet
*/
public class GithubRestAssuredUserAPISteps {
class GithubRestAssuredUserAPISteps {
private String api;
@Step("Given the github REST API for user profile")
public void withUserProfileAPIEndpoint() {
void withUserProfileAPIEndpoint() {
api = "https://api.github.com/users/{username}";
}
@Step("When looking for {0} via the api")
public void getProfileOfUser(String username) throws IOException {
void getProfileOfUser(String username) throws IOException {
rest().get(api, username);
}
@Step("Then there should be a login field with value {0} in payload of user {0}")
public void profilePayloadShouldContainLoginValue(String username) {
void profilePayloadShouldContainLoginValue(String username) {
then().body("login", Matchers.equalTo(username));
}

3
libraries/src/test/java/com/baeldung/serenity/github/GithubRestUserAPISteps.java
View File

@ -14,9 +14,6 @@ import java.io.IOException;
import static org.hamcrest.MatcherAssert.assertThat;
/**
* @author aiet
*/
public class GithubRestUserAPISteps {
private String api;

5
libraries/src/test/java/com/baeldung/serenity/github/GithubUserProfilePayloadStepDefinitions.java
View File

@ -9,11 +9,8 @@ import java.io.IOException;
public class GithubUserProfilePayloadStepDefinitions {
// @Steps
// GithubRestUserAPISteps userAPISteps;
@Steps
GithubRestAssuredUserAPISteps userAPISteps;
private GithubRestAssuredUserAPISteps userAPISteps;
@Given("github user profile api")
public void givenGithubUserProfileApi() {

5
libraries/src/test/java/com/baeldung/serenity/membership/MemberStatusSteps.java
View File

@ -6,12 +6,9 @@ import net.thucydides.core.annotations.Step;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.junit.Assert.assertThat;
/**
* @author aiet
*/
public class MemberStatusSteps {
Member member;
private Member member;
@Step("Given a member has {0} points")
public void aMemberHasPointsOf(int points) {

9
libraries/src/test/java/com/baeldung/serenity/pageobjects/GoogleSearchPageObject.java
View File

@ -10,15 +10,14 @@ import static java.util.concurrent.TimeUnit.SECONDS;
import static org.hamcrest.CoreMatchers.containsString;
import static org.hamcrest.MatcherAssert.assertThat;
/**
* @author aiet
*/
@DefaultUrl("https://www.google.com/ncr")
public class GoogleSearchPageObject extends PageObject {
@FindBy(name = "q") private WebElement search;
@FindBy(name = "q")
private WebElement search;
@FindBy(css = "._ksh") private WebElement result;
@FindBy(css = "._ksh")
private WebElement result;
public void searchFor(String keyword) {
search.sendKeys(keyword, Keys.ENTER);

6
libraries/src/test/java/com/baeldung/serenity/screenplay/GoogleSearchPage.java
View File

@ -8,13 +8,13 @@ import net.thucydides.core.annotations.DefaultUrl;
* @author baoqiang
*/
@DefaultUrl("https://www.google.com/ncr")
public class GoogleSearchPage extends PageObject {
class GoogleSearchPage extends PageObject {
public static final Target SEARCH_RESULT_TITLES = Target
static final Target SEARCH_RESULT_TITLES = Target
.the("search results")
.locatedBy("._ksh");
public static final Target SEARCH_INPUT_BOX = Target
static final Target SEARCH_INPUT_BOX = Target
.the("search input box")
.locatedBy("#lst-ib");

3
libraries/src/test/java/com/baeldung/serenity/screenplay/GoogleSearchResults.java
View File

@ -6,9 +6,6 @@ import net.serenitybdd.screenplay.questions.Text;
import java.util.List;
/**
* @author baoqiang
*/
public class GoogleSearchResults implements Question<List<String>> {
public static Question<List<String>> displayed() {

3
libraries/src/test/java/com/baeldung/serenity/screenplay/SearchForKeyword.java
View File

@ -7,9 +7,6 @@ import net.serenitybdd.screenplay.actions.Enter;
import net.thucydides.core.annotations.Step;
import org.openqa.selenium.Keys;
/**
* @author baoqiang
*/
public class SearchForKeyword implements Task {
@Step("{0} searches for '#keyword'")

3
libraries/src/test/java/com/baeldung/serenity/screenplay/StartWith.java
View File

@ -7,9 +7,6 @@ import net.thucydides.core.annotations.Step;
import static net.serenitybdd.screenplay.Tasks.instrumented;
/**
* @author baoqiang
*/
public class StartWith implements Task {
public static StartWith googleSearchPage() {

2
libraries/src/test/java/com/baeldung/stm/AccountTest.java
View File

@ -1,9 +1,7 @@
package com.baeldung.stm;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;

1
spring-5/README.md
View File

@ -7,3 +7,4 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring
- [Concurrent Test Execution in Spring 5](http://www.baeldung.com/spring-5-concurrent-tests)
- [Introduction to the Functional Web Framework in Spring 5](http://www.baeldung.com/spring-5-functional-web)
- [Exploring the Spring MVC URL Matching Improvements](http://www.baeldung.com/spring-mvc-url-matching)

1
spring-5/pom.xml
View File

@ -177,6 +177,7 @@
<junit.platform.version>1.0.0-M4</junit.platform.version>
<junit.jupiter.version>5.0.0-M4</junit.jupiter.version>
<maven-surefire-plugin.version>2.20</maven-surefire-plugin.version>
<spring.version>5.0.0.RC2</spring.version>
</properties>
</project>

2
spring-5/src/main/java/com/baeldung/Spring5Application.java
View File

@ -2,8 +2,10 @@ package com.baeldung;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.ComponentScan;
@SpringBootApplication
@ComponentScan(basePackages = {"com.baeldung.web"})
public class Spring5Application {
public static void main(String[] args) {

61
spring-5/src/main/java/com/baeldung/functional/ExploreSpring5URLPatternUsingRouterFunctions.java Normal file
View File

@ -0,0 +1,61 @@
package com.baeldung.functional;
import static org.springframework.web.reactive.function.BodyInserters.fromObject;
import static org.springframework.web.reactive.function.server.RequestPredicates.GET;
import static org.springframework.web.reactive.function.server.RouterFunctions.route;
import static org.springframework.web.reactive.function.server.RouterFunctions.toHttpHandler;
import static org.springframework.web.reactive.function.server.ServerResponse.ok;
import org.apache.catalina.Context;
import org.apache.catalina.startup.Tomcat;
import org.springframework.boot.web.embedded.tomcat.TomcatWebServer;
import org.springframework.boot.web.server.WebServer;
import org.springframework.core.io.ClassPathResource;
import org.springframework.http.server.reactive.HttpHandler;
import org.springframework.http.server.reactive.ServletHttpHandlerAdapter;
import org.springframework.web.reactive.function.server.RouterFunction;
import org.springframework.web.reactive.function.server.RouterFunctions;
import org.springframework.web.reactive.function.server.ServerResponse;
import org.springframework.web.server.WebHandler;
import org.springframework.web.server.adapter.WebHttpHandlerBuilder;
public class ExploreSpring5URLPatternUsingRouterFunctions {
private RouterFunction<ServerResponse> routingFunction() {
return route(GET("/p?ths"), serverRequest -> ok().body(fromObject("/p?ths"))).andRoute(GET("/test/{*id}"), serverRequest -> ok().body(fromObject(serverRequest.pathVariable("id"))))
.andRoute(GET("/*card"), serverRequest -> ok().body(fromObject("/*card path was accessed")))
.andRoute(GET("/{var1}_{var2}"), serverRequest -> ok().body(fromObject(serverRequest.pathVariable("var1") + " , " + serverRequest.pathVariable("var2"))))
.andRoute(GET("/{baeldung:[a-z]+}"), serverRequest -> ok().body(fromObject("/{baeldung:[a-z]+} was accessed and baeldung=" + serverRequest.pathVariable("baeldung"))))
.and(RouterFunctions.resources("/files/{*filepaths}", new ClassPathResource("files/")));
}
WebServer start() throws Exception {
WebHandler webHandler = (WebHandler) toHttpHandler(routingFunction());
HttpHandler httpHandler = WebHttpHandlerBuilder.webHandler(webHandler)
.prependFilter(new IndexRewriteFilter())
.build();
Tomcat tomcat = new Tomcat();
tomcat.setHostname("localhost");
tomcat.setPort(9090);
Context rootContext = tomcat.addContext("", System.getProperty("java.io.tmpdir"));
ServletHttpHandlerAdapter servlet = new ServletHttpHandlerAdapter(httpHandler);
Tomcat.addServlet(rootContext, "httpHandlerServlet", servlet);
rootContext.addServletMappingDecoded("/", "httpHandlerServlet");
TomcatWebServer server = new TomcatWebServer(tomcat);
server.start();
return server;
}
public static void main(String[] args) {
try {
new FunctionalWebApplication().start();
} catch (Exception e) {
e.printStackTrace();
}
}
}

3
spring-5/src/main/java/com/baeldung/functional/FunctionalSpringBootApplication.java
View File

@ -15,6 +15,7 @@ import org.springframework.security.config.annotation.web.configuration.WebSecur
import org.springframework.web.reactive.function.server.RouterFunction;
import org.springframework.web.reactive.function.server.RouterFunctions;
import org.springframework.web.reactive.function.server.ServerResponse;
import org.springframework.web.server.WebHandler;
import org.springframework.web.server.adapter.WebHttpHandlerBuilder;
import reactor.core.publisher.Flux;
@ -58,7 +59,7 @@ public class FunctionalSpringBootApplication {
@Bean
public ServletRegistrationBean servletRegistrationBean() throws Exception {
HttpHandler httpHandler = WebHttpHandlerBuilder
.webHandler(toHttpHandler(routingFunction()))
.webHandler((WebHandler) toHttpHandler(routingFunction()))
.prependFilter(new IndexRewriteFilter())
.build();
ServletRegistrationBean registrationBean = new ServletRegistrationBean<>(new RootServlet(httpHandler), "/");

2
spring-5/src/main/java/com/baeldung/functional/FunctionalWebApplication.java
View File

@ -50,7 +50,7 @@ public class FunctionalWebApplication {
}
WebServer start() throws Exception {
WebHandler webHandler = toHttpHandler(routingFunction());
WebHandler webHandler = (WebHandler) toHttpHandler(routingFunction());
HttpHandler httpHandler = WebHttpHandlerBuilder
.webHandler(webHandler)
.prependFilter(new IndexRewriteFilter())

2
spring-5/src/main/java/com/baeldung/functional/IndexRewriteFilter.java
View File

@ -19,7 +19,7 @@ class IndexRewriteFilter implements WebFilter {
.mutate()
.request(builder -> builder
.method(request.getMethod())
.contextPath(request.getContextPath())
.contextPath(request.getPath().toString())
.path("/test"))
.build());
}

3
spring-5/src/main/java/com/baeldung/functional/RootServlet.java
View File

@ -23,12 +23,13 @@ import static org.springframework.web.reactive.function.server.RequestPredicates
import static org.springframework.web.reactive.function.server.RouterFunctions.route;
import static org.springframework.web.reactive.function.server.RouterFunctions.toHttpHandler;
import static org.springframework.web.reactive.function.server.ServerResponse.ok;
import org.springframework.web.server.WebHandler;
public class RootServlet extends ServletHttpHandlerAdapter {
public RootServlet() {
this(WebHttpHandlerBuilder
.webHandler(toHttpHandler(routingFunction()))
.webHandler((WebHandler) toHttpHandler(routingFunction()))
.prependFilter(new IndexRewriteFilter())
.build());
}

40
spring-5/src/main/java/com/baeldung/web/PathPatternController.java Normal file
View File

@ -0,0 +1,40 @@
package com.baeldung.web;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class PathPatternController {
@GetMapping("/spring5/{*id}")
public String URIVariableHandler(@PathVariable String id) {
return id;
}
@GetMapping("/s?ring5")
public String wildcardTakingExactlyOneChar() {
return "/s?ring5";
}
@GetMapping("/spring5/*id")
public String wildcardTakingZeroOrMoreChar() {
return "/spring5/*id";
}
@GetMapping("/resources/**")
public String wildcardTakingZeroOrMorePathSegments() {
return "/resources/**";
}
@GetMapping("/{baeldung:[a-z]+}")
public String regexInPathVariable(@PathVariable String baeldung) {
return baeldung;
}
@GetMapping("/{var1}_{var2}")
public String multiplePathVariablesInSameSegment(@PathVariable String var1, @PathVariable String var2) {
return "Two variables are var1=" + var1 + " and var2=" + var2;
}
}

1
spring-5/src/main/resources/files/test/test.txt Normal file
View File

@ -0,0 +1 @@
test

3
spring-5/src/test/java/com/baeldung/Spring5JUnit4ConcurrentIntegrationTest.java
View File

@ -15,9 +15,6 @@ import java.util.concurrent.TimeUnit;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
/**
* @author aiet
*/
@RunWith(SpringRunner.class)
@ContextConfiguration(classes = Spring5JUnit4ConcurrentIntegrationTest.SimpleConfiguration.class)
public class Spring5JUnit4ConcurrentIntegrationTest implements ApplicationContextAware, InitializingBean {

110
spring-5/src/test/java/com/baeldung/functional/ExploreSpring5URLPatternUsingRouterFunctionsTest.java Normal file
View File

@ -0,0 +1,110 @@
package com.baeldung.functional;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.springframework.boot.web.server.WebServer;
import org.springframework.test.web.reactive.server.WebTestClient;
public class ExploreSpring5URLPatternUsingRouterFunctionsTest {
private static WebTestClient client;
private static WebServer server;
@BeforeClass
public static void setup() throws Exception {
server = new ExploreSpring5URLPatternUsingRouterFunctions().start();
client = WebTestClient.bindToServer()
.baseUrl("http://localhost:" + server.getPort())
.build();
}
@AfterClass
public static void destroy() {
server.stop();
}
@Test
public void givenRouter_whenGetPathWithSingleCharWildcard_thenGotPathPattern() throws Exception {
client.get()
.uri("/paths")
.exchange()
.expectStatus()
.isOk()
.expectBody(String.class)
.isEqualTo("/p?ths");
}
@Test
public void givenRouter_whenMultipleURIVariablePattern_thenGotPathVariable() throws Exception {
client.get()
.uri("/test/ab/cd")
.exchange()
.expectStatus()
.isOk()
.expectBody(String.class)
.isEqualTo("/ab/cd");
}
@Test
public void givenRouter_whenGetMultipleCharWildcard_thenGotPathPattern() throws Exception {
client.get()
.uri("/wildcard")
.exchange()
.expectStatus()
.isOk()
.expectBody(String.class)
.isEqualTo("/*card path was accessed");
}
@Test
public void givenRouter_whenGetMultiplePathVaribleInSameSegment_thenGotPathVariables() throws Exception {
client.get()
.uri("/baeldung_tutorial")
.exchange()
.expectStatus()
.isOk()
.expectBody(String.class)
.isEqualTo("baeldung , tutorial");
}
@Test
public void givenRouter_whenGetRegexInPathVarible_thenGotPathVariable() throws Exception {
client.get()
.uri("/abcd")
.exchange()
.expectStatus()
.isOk()
.expectBody(String.class)
.isEqualTo("/{baeldung:[a-z]+} was accessed and baeldung=abcd");
client.get()
.uri("/1234")
.exchange()
.expectStatus()
.is4xxClientError();
}
@Test
public void givenResources_whenAccess_thenGot() throws Exception {
client.get()
.uri("/files/test/test.txt")
.exchange()
.expectStatus()
.isOk()
.expectBody(String.class)
.isEqualTo("test");
client.get()
.uri("/files/hello.txt")
.exchange()
.expectStatus()
.isOk()
.expectBody(String.class)
.isEqualTo("hello");
}
}

1
spring-5/src/test/java/com/baeldung/functional/FunctionalWebApplicationIntegrationTest.java
View File

@ -8,7 +8,6 @@ import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
import org.springframework.http.MediaType;
import org.springframework.test.web.reactive.server.WebTestClient;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
import org.springframework.web.reactive.function.BodyInserters;

4
spring-5/src/test/java/com/baeldung/jupiter/Spring5JUnit5ComposedAnnotationIntegrationTest.java
View File

@ -16,10 +16,10 @@ import static org.junit.jupiter.api.Assertions.assertNotNull;
class Spring5JUnit5ComposedAnnotationIntegrationTest {
@Autowired
Task task;
private Task task;
@Autowired
List<Task> tasks;
private List<Task> tasks;
@Test
@DisplayName("ApplicationContext injected into method")

6
spring-5/src/test/java/com/baeldung/jupiter/Spring5JUnit5IntegrationTest.java
View File

@ -1,7 +1,7 @@
package com.baeldung.jupiter;
import com.baeldung.web.reactive.Task;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
@ -10,14 +10,12 @@ import org.springframework.test.context.ContextConfiguration;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import org.junit.jupiter.api.Test;
@ExtendWith(SpringExtension.class)
@ContextConfiguration(classes = TestConfig.class)
class Spring5JUnit5IntegrationTest {
@Autowired
Task task;
private Task task;
@Test
void givenAMethodName_whenInjecting_thenApplicationContextInjectedIntoMetho(ApplicationContext applicationContext) {

6
spring-5/src/test/java/com/baeldung/jupiter/Spring5JUnit5ParallelIntegrationTest.java
View File

@ -7,10 +7,10 @@ import org.junit.jupiter.api.Test;
import org.junit.runner.Computer;
import org.junit.runner.JUnitCore;
public class Spring5JUnit5ParallelIntegrationTest {
class Spring5JUnit5ParallelIntegrationTest {
@Test
public void givenTwoTestClasses_whenJUnitRunParallel_thenTheTestsExecutingParallel() {
void givenTwoTestClasses_whenJUnitRunParallel_thenTheTestsExecutingParallel() {
final Class<?>[] classes = {
Example1IntegrationTest.class, Example2IntegrationTest.class
};
@ -19,7 +19,7 @@ public class Spring5JUnit5ParallelIntegrationTest {
}
@Test
public void givenTwoTestClasses_whenJUnitRunParallel_thenTheTestsExecutingLinear() {
void givenTwoTestClasses_whenJUnitRunParallel_thenTheTestsExecutingLinear() {
final Class<?>[] classes = {
Example1IntegrationTest.class, Example2IntegrationTest.class
};

10
spring-5/src/test/java/com/baeldung/jupiter/Spring5Java8NewFeaturesIntegrationTest.java
View File

@ -1,12 +1,14 @@
package com.baeldung.jupiter;
import org.junit.jupiter.api.Test;
import java.util.function.Supplier;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
import static org.junit.jupiter.api.Assertions.assertEquals;
public class Spring5Java8NewFeaturesIntegrationTest {
class Spring5Java8NewFeaturesIntegrationTest {
@FunctionalInterface
public interface FunctionalInterfaceExample<Input, Result> {
@ -14,12 +16,10 @@ public class Spring5Java8NewFeaturesIntegrationTest {
}
public class StringUtils {
public FunctionalInterfaceExample<String, String>
functionLambdaString = s -> {
return Pattern.compile(" +").splitAsStream(s)
FunctionalInterfaceExample<String, String>
functionLambdaString = s -> Pattern.compile(" +").splitAsStream(s)
.map(word -> new StringBuilder(word).reverse())
.collect(Collectors.joining(" "));
};
}
@Test

10
spring-5/src/test/java/com/baeldung/jupiter/Spring5ReactiveServerClientIntegrationTest.java
View File

@ -3,16 +3,8 @@ package com.baeldung.jupiter;
import com.baeldung.web.reactive.Task;
import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
import org.springframework.http.HttpMethod;
import org.springframework.http.client.reactive.ReactorClientHttpConnector;
import org.springframework.http.server.reactive.HttpHandler;
import org.springframework.http.server.reactive.ReactorHttpHandlerAdapter;
import org.springframework.web.reactive.function.BodyInserters;
import org.springframework.web.reactive.function.client.ClientRequest;
import org.springframework.web.reactive.function.client.ExchangeFunction;
import org.springframework.web.reactive.function.client.ExchangeFunctions;
import org.springframework.web.reactive.function.client.WebClient;
import org.springframework.web.reactive.function.server.RouterFunction;
import org.springframework.web.reactive.function.server.RouterFunctions;
import org.springframework.web.reactive.function.server.ServerResponse;
@ -21,10 +13,8 @@ import reactor.core.publisher.Mono;
import reactor.ipc.netty.NettyContext;
import reactor.ipc.netty.http.server.HttpServer;
import java.net.URI;
import java.time.Duration;
import static org.assertj.core.api.Assertions.assertThat;
import static org.springframework.web.reactive.function.server.RequestPredicates.GET;
import static org.springframework.web.reactive.function.server.RequestPredicates.POST;

101
spring-5/src/test/java/com/baeldung/web/PathPatternsUsingHandlerMethodIntegrationTest.java Normal file
View File

@ -0,0 +1,101 @@
package com.baeldung.web;
import com.baeldung.Spring5Application;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.test.web.reactive.server.WebTestClient;
@RunWith(SpringRunner.class)
@SpringBootTest(classes = Spring5Application.class)
public class PathPatternsUsingHandlerMethodIntegrationTest {
private static WebTestClient client;
@BeforeClass
public static void setUp() {
client = WebTestClient.bindToController(new PathPatternController())
.build();
}
@Test
public void givenHandlerMethod_whenMultipleURIVariablePattern_then200() {
client.get()
.uri("/spring5/ab/cd")
.exchange()
.expectStatus()
.is2xxSuccessful()
.expectBody()
.equals("/ab/cd");
}
@Test
public void givenHandlerMethod_whenURLWithWildcardTakingZeroOrMoreChar_then200() {
client.get()
.uri("/spring5/userid")
.exchange()
.expectStatus()
.is2xxSuccessful()
.expectBody()
.equals("/spring5/*id");
}
@Test
public void givenHandlerMethod_whenURLWithWildcardTakingExactlyOneChar_then200() {
client.get()
.uri("/string5")
.exchange()
.expectStatus()
.is2xxSuccessful()
.expectBody()
.equals("/s?ring5");
}
@Test
public void givenHandlerMethod_whenURLWithWildcardTakingZeroOrMorePathSegments_then200() {
client.get()
.uri("/resources/baeldung")
.exchange()
.expectStatus()
.is2xxSuccessful()
.expectBody()
.equals("/resources/**");
}
@Test
public void givenHandlerMethod_whenURLWithRegexInPathVariable_thenExpectedOutput() {
client.get()
.uri("/abc")
.exchange()
.expectStatus()
.is2xxSuccessful()
.expectBody()
.equals("abc");
client.get()
.uri("/123")
.exchange()
.expectStatus()
.is4xxClientError();
}
@Test
public void givenHandlerMethod_whenURLWithMultiplePathVariablesInSameSegment_then200() {
client.get()
.uri("/baeldung_tutorial")
.exchange()
.expectStatus()
.is2xxSuccessful()
.expectBody()
.equals("Two variables are var1=baeldung and var2=tutorial");
}
}

1
spring-core/README.md
View File

@ -5,3 +5,4 @@
- [Constructor Dependency Injection in Spring](http://www.baeldung.com/constructor-injection-in-spring)
- [Constructor Injection in Spring with Lombok](http://www.baeldung.com/spring-injection-lombok)
- [A Quick Guide to Spring @Value](http://www.baeldung.com/spring-value-annotation)
- [Spring YAML Configuration](http://www.baeldung.com/spring-yaml)

5
spring-core/pom.xml
View File

@ -58,6 +58,11 @@
<artifactId>lombok</artifactId>
<version>${lombok.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
<version>1.5.2.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-test</artifactId>

31
spring-core/src/main/java/com/baeldung/yaml/MyApplication.java Normal file
View File

@ -0,0 +1,31 @@
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package com.baeldung.yaml;
import java.util.Collections;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class MyApplication implements CommandLineRunner {
@Autowired
private YAMLConfig myConfig;
public static void main(String[] args) {
SpringApplication app = new SpringApplication(MyApplication.class);
app.run();
}
public void run(String... args) throws Exception {
System.out.println("using environment:" + myConfig.getEnvironment());
System.out.println("name:" + myConfig.getName());
System.out.println("servers:" + myConfig.getServers());
}
}

41
spring-core/src/main/java/com/baeldung/yaml/YAMLConfig.java Normal file
View File

@ -0,0 +1,41 @@
package com.baeldung.yaml;
import java.util.ArrayList;
import java.util.List;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Configuration;
@Configuration
@EnableConfigurationProperties
@ConfigurationProperties
public class YAMLConfig {
private String name;
private String environment;
private List<String> servers = new ArrayList<String>();
public List<String> getServers() {
return servers;
}
public void setServers(List<String> servers) {
this.servers = servers;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getEnvironment() {
return environment;
}
public void setEnvironment(String environment) {
this.environment = environment;
}
}

4
spring-core/src/main/resources/application.properties
View File

@ -1,2 +1,2 @@
someInitialValue=This is only sample value
anotherValue=Another configured value
spring.profiles.active=prod

17
spring-core/src/main/resources/application.yml Normal file
View File

@ -0,0 +1,17 @@
spring:
profiles: test
name: test-YAML
environment: test
servers:
- www.abc.test.com
- www.xyz.test.com
---
spring:
profiles: prod
name: prod-YAML
environment: production
servers:
- www.abc.com
- www.xyz.com

3
spring-jooq/pom.xml
View File

@ -1,8 +1,7 @@
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.baeldung</groupId>
<artifactId>sprin-jooq</artifactId>
<artifactId>spring-jooq</artifactId>
<version>0.0.1-SNAPSHOT</version>
<parent>

2
spring-security-mvc-boot/src/test/java/org/baeldung/web/LiveTest.java → spring-security-mvc-boot/src/test/java/org/baeldung/web/ApplicationLiveTest.java
View File

@ -12,7 +12,7 @@ import io.restassured.authentication.FormAuthConfig;
import io.restassured.response.Response;
import io.restassured.specification.RequestSpecification;
public class LiveTest {
public class ApplicationLiveTest {
private final FormAuthConfig formAuthConfig = new FormAuthConfig("http://localhost:8082/spring-security-mvc-boot/login", "username", "password");

12
spring-security-mvc-boot/src/test/java/org/baeldung/web/CustomUserDetailsServiceIntegrationTest.java
View File

@ -25,18 +25,18 @@ import org.springframework.boot.test.context.SpringBootTest;
@WebAppConfiguration
public class CustomUserDetailsServiceIntegrationTest {
public static final String USERNAME = "user";
public static final String PASSWORD = "pass";
public static final String USERNAME2 = "user2";
private static final String USERNAME = "user";
private static final String PASSWORD = "pass";
private static final String USERNAME2 = "user2";
@Autowired
UserRepository myUserRepository;
private UserRepository myUserRepository;
@Autowired
AuthenticationProvider authenticationProvider;
private AuthenticationProvider authenticationProvider;
@Autowired
PasswordEncoder passwordEncoder;
private PasswordEncoder passwordEncoder;
//

61
spring-security-mvc-boot/src/test/java/org/baeldung/web/MultipleAuthProvidersApplicationIntegrationTest.java Normal file
View File

@ -0,0 +1,61 @@
package org.baeldung.web;
import static org.assertj.core.api.Assertions.assertThat;
import java.util.Collections;
import org.baeldung.multipleauthproviders.MultipleAuthProvidersApplication;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
import org.springframework.boot.test.web.client.TestRestTemplate;
import org.springframework.http.ResponseEntity;
import org.springframework.test.context.junit4.SpringRunner;
@RunWith(SpringRunner.class)
@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT, classes = MultipleAuthProvidersApplication.class)
public class MultipleAuthProvidersApplicationIntegrationTest {
@Autowired
private TestRestTemplate restTemplate;
@Test
public void givenMemUsers_whenGetPingWithValidUser_thenOk() {
ResponseEntity<String> result = makeRestCallToGetPing("memuser", "pass");
assertThat(result.getStatusCodeValue()).isEqualTo(200);
assertThat(result.getBody()).isEqualTo("OK");
}
@Test
public void givenExternalUsers_whenGetPingWithValidUser_thenOK() {
ResponseEntity<String> result = makeRestCallToGetPing("externaluser", "pass");
assertThat(result.getStatusCodeValue()).isEqualTo(200);
assertThat(result.getBody()).isEqualTo("OK");
}
@Test
public void givenAuthProviders_whenGetPingWithNoCred_then401() {
ResponseEntity<String> result = makeRestCallToGetPing();
assertThat(result.getStatusCodeValue()).isEqualTo(401);
}
@Test
public void givenAuthProviders_whenGetPingWithBadCred_then401() {
ResponseEntity<String> result = makeRestCallToGetPing("user", "bad_password");
assertThat(result.getStatusCodeValue()).isEqualTo(401);
}
private ResponseEntity<String> makeRestCallToGetPing(String username, String password) {
return restTemplate.withBasicAuth(username, password)
.getForEntity("/api/ping", String.class, Collections.emptyMap());
}
private ResponseEntity<String> makeRestCallToGetPing() {
return restTemplate.getForEntity("/api/ping", String.class, Collections.emptyMap());
}
}

1
spring-security-mvc-boot/src/test/java/org/baeldung/web/MultipleEntryPointsIntegrationTest.java
View File

@ -21,6 +21,7 @@ import static org.springframework.security.test.web.servlet.request.SecurityMock
@WebAppConfiguration
@SpringBootTest(classes = MultipleEntryPointsApplication.class)
public class MultipleEntryPointsIntegrationTest {
@Autowired
private WebApplicationContext wac;

8
spring-vertx/src/main/java/com/baeldung/vertxspring/repository/ArticleRepository.java
View File

@ -1,11 +1,7 @@
package com.baeldung.vertxspring.repository;
import org.springframework.data.repository.CrudRepository;
import org.springframework.stereotype.Repository;
import com.baeldung.vertxspring.entity.Article;
import org.springframework.data.jpa.repository.JpaRepository;
@Repository
public interface ArticleRepository extends CrudRepository<Article, Long> {
public interface ArticleRepository extends JpaRepository<Article, Long> {
}

17
spring-vertx/src/main/java/com/baeldung/vertxspring/service/ArticleService.java
View File

@ -1,25 +1,20 @@
package com.baeldung.vertxspring.service;
import java.util.ArrayList;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.baeldung.vertxspring.entity.Article;
import com.baeldung.vertxspring.repository.ArticleRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.List;
@Service
public class ArticleService {
@Autowired
ArticleRepository articleRepository;
private ArticleRepository articleRepository;
public List<Article> getAllArticle() {
List<Article> articles = new ArrayList<>();
articleRepository.findAll()
.forEach(articles::add);
return articles;
return articleRepository.findAll();
}
}