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BAEL-802: Drools using rules from Excel Files (eugenp#2115)
* Add NDC and JBoss Logging to the demo application * NDC for Log4j, Log4j2 and JBoss Logging * Simplify NDC example by making it a single operation instead of two * Make NDC example as RestController, Use JBoss Logging only as a logging bridge * Fix merge conflicts in pull request - log-mdc pom.xml updated * BAEL-445 Update to Spring security SpEL example * BAEL-445: Change tabs to spaces in the updated code * BAEL-245: Add Enum Serialization exmaple * BAEL-245: Remove the folder jackson/src/test/java/com/baeldung/jackson/dtos/withEnum as the example is not used anymore * Add more enum serialization examples to align with previous example and prevent build fail * BAEL-611: Minor formatting changes * BAEL-611: Update Test case method names * BAEL-611 Add JAX-WS client and JUnit Test * BAEL-245: Issue 1753. Fix the typo - change from writeNumber() to writeString() * BAEL-741: Spring Security Multiple Authentication Providers * BAEL-741: Spring Security Multiple Authentication Providers * Remove unnecessary change in pom.xml * BAEL-802: Drools Excel example
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‎drools/pom.xml‎

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<properties>
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<http-component-version>4.4.6</http-component-version>
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<drools-version>7.0.0.CR1</drools-version>
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<drools-version>7.1.0.Beta2</drools-version>
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<apache-poi-version>3.13</apache-poi-version>
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</properties>
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‎drools/src/main/java/com/baeldung/drools/config/DroolsBeanFactory.java‎

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

‎drools/src/main/java/com/baeldung/drools/model/Customer.java‎

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package com.baeldung.drools.model;
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public class Customer {
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private CustomerType type;
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private int years;
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private int discount;
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public Customer(CustomerType type, int numOfYears) {
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super();
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this.type = type;
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this.years = numOfYears;
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}
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public CustomerType getType() {
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return type;
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}
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public void setType(CustomerType type) {
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this.type = type;
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}
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public int getYears() {
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return years;
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}
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public void setYears(int years) {
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this.years = years;
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}
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public int getDiscount() {
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return discount;
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}
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public void setDiscount(int discount) {
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this.discount = discount;
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}
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public enum CustomerType {
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INDIVIDUAL, BUSINESS;
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}
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}

‎drools/src/main/resources/com/baeldung/drools/rules/Discount.xls‎

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‎drools/src/test/java/com/baeldung/drools/service/DiscountExcelIntegrationTest.java‎

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

‎spring-security-mvc-boot/src/test/java/org/baeldung/web/MultipleAuthProvidersApplicationTests.java‎

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

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