BAEL 3234 - Add missing code snippets from the Spring Properties article (#9280)

spring-boot-modules/spring-boot-properties/src/main/resources/configForDbProperties.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
+       xmlns:util="http://www.springframework.org/schema/util"
+       xsi:schemaLocation="
+      http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
+      http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.2.xsd
+      http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.2.xsd"
+>
+
+    <context:property-placeholder location="classpath:database.properties"/>
+
+
+    <bean id="dataSource" class="com.baeldung.configurationproperties.Database">
+        <property name="url" value="${jdbc.url}" />
+        <property name="username" value="${database.username}" />
+        <property name="password" value="${database.password}" />
+    </bean>
+
+</beans>

spring-boot-modules/spring-boot-properties/src/main/resources/configForProperties.xml

@@ -7,7 +7,8 @@
       http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.2.xsd"
 >
 
-    <context:property-placeholder location="classpath:foo.properties,classpath:bar.properties, classpath:database.properties"/>
+
+    <context:property-placeholder location="classpath:foo.properties,classpath:bar.properties,classpath:database.properties"/>
 
     <bean id="componentInXmlUsingProperties" class="com.baeldung.properties.core.ComponentInXmlUsingProperties">
         <constructor-arg value="${key.something}"/>

spring-boot-modules/spring-boot-properties/src/main/resources/database.properties

@@ -1,4 +1,5 @@
-database.url=jdbc:postgresql:/localhost:5432/instance
+
+jdbc.url=jdbc:postgresql:/localhost:5432
 database.username=foo
 database.password=bar
-jdbc.url=jdbc:postgresql:/localhost:5432
+

spring-boot-modules/spring-boot-properties/src/test/java/com/baeldung/properties/multiple/MultiplePropertiesXmlConfigIntegrationTest.java

@@ -6,7 +6,7 @@ import org.springframework.test.context.junit.jupiter.SpringJUnitConfig;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
-@SpringJUnitConfig(locations = "classpath:configForProperties.xml")
+@SpringJUnitConfig(locations = {"classpath:configForProperties.xml", "classpath:configForDbProperties.xml"})
 public class MultiplePropertiesXmlConfigIntegrationTest {
 
     @Value("${key.something}") private String something;