Add missing code snippets (#9228)

2020-05-06 05:28:28 +02:00
parent 50208fb013
commit fb5b157ce4
22 changed files with 268 additions and 10 deletions
@@ -0,0 +1,21 @@
+package com.baeldung.configuration.processor;
+
+import org.springframework.boot.context.properties.*;
+import org.springframework.context.annotation.*;
+import org.springframework.beans.factory.annotation.*;
+
+@Configuration
+@ConfigurationProperties(prefix = "com.baeldung")
+public class JdbcProperties {
+
+    @Value("${jdbc.url:jdbc:postgresql:/localhost:5432}")
+    private String jdbcUrl;
+
+    public String getJdbcUrl() {
+        return jdbcUrl;
+    }
+
+    public void setJdbcUrl(String jdbcUrl) {
+        this.jdbcUrl = jdbcUrl;
+    }
+}
@@ -6,16 +6,23 @@ import org.springframework.stereotype.*;
@Component
 public class PropertyBeanInjection {

-    private final CustomProperties customProperties;
+    private CustomProperties customProperties;

-    PropertyBeanInjection(@Autowired CustomProperties customProperties) {
+    private JdbcProperties jdbcProperties;
+
+    PropertyBeanInjection(@Autowired CustomProperties customProperties, @Autowired JdbcProperties jdbcProperties) {
        this.customProperties = customProperties;
+        this.jdbcProperties = jdbcProperties;
    }

    String getUrl() {
        return customProperties.getUrl();
    }

+    String getJdbcUrl() {
+        return jdbcProperties.getJdbcUrl();
+    }
+
    int getTimeoutInMilliseconds() {
        return customProperties.getTimeoutInMilliSeconds();
    }
@@ -0,0 +1,36 @@
+package com.baeldung.configurationproperties;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+
+
+@ConfigurationProperties(prefix = "database")
+public class Database {
+
+    String url;
+    String username;
+    String password;
+
+    public String getUrl() {
+        return url;
+    }
+
+    public void setUrl(String url) {
+        this.url = url;
+    }
+
+    public String getUsername() {
+        return username;
+    }
+
+    public void setUsername(String username) {
+        this.username = username;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    public void setPassword(String password) {
+        this.password = password;
+    }
+}
@@ -0,0 +1,23 @@
+package com.baeldung.configurationproperties;
+
+import org.springframework.core.env.Environment;
+import org.springframework.beans.factory.annotation.*;
+import org.springframework.context.annotation.*;
+
+@Configuration
+public class DatabaseConfig {
+
+    @Autowired private Environment env;
+
+    @Bean(name="dataSource")
+    public Database dataSource() {
+
+        Database dataSource = new Database();
+        dataSource.setUrl(env.getProperty("jdbc.url"));
+        dataSource.setUsername(env.getProperty("database.username"));
+        dataSource.setPassword(env.getProperty("database.password"));
+
+        return dataSource;
+    }
+
+}
@@ -0,0 +1,13 @@
+package com.baeldung.configurationproperties;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.ComponentScan;
+
+@SpringBootApplication
+@ComponentScan(basePackageClasses = {Database.class,DatabaseConfig.class})
+public class DatabaseConfigPropertiesApp{
+
+    public static void main(String[]args) {SpringApplication.run(DatabaseConfigPropertiesApp.class,args);}
+
+}
@@ -0,0 +1,23 @@
+package com.baeldung.properties.spring;
+
+import org.springframework.beans.factory.config.PropertyPlaceholderConfigurer;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.core.io.*;
+
+@Configuration
+public class PropertyPlaceholderConfig {
+
+    public PropertyPlaceholderConfig(){
+        super();
+    }
+
+    @Bean
+    public static PropertyPlaceholderConfigurer properties() {
+        PropertyPlaceholderConfigurer ppc = new PropertyPlaceholderConfigurer();
+        Resource[] resources = new ClassPathResource[]{ new ClassPathResource("foo.properties") };
+        ppc.setLocations( resources );
+        ppc.setIgnoreUnresolvablePlaceholders( true );
+        return ppc;
+    }
+}
@@ -0,0 +1,24 @@
+package com.baeldung.properties.spring;
+
+import org.springframework.context.support.PropertySourcesPlaceholderConfigurer;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.core.io.*;
+
+@Configuration
+public class PropertySourcesPlaceholderConfig{
+
+    public PropertySourcesPlaceholderConfig(){
+        super();
+    }
+
+    @Bean
+    public static PropertySourcesPlaceholderConfigurer properties(){
+        PropertySourcesPlaceholderConfigurer pspc = new PropertySourcesPlaceholderConfigurer();
+        Resource[] resources = new ClassPathResource[]{ new ClassPathResource("foo.properties") };
+        pspc.setLocations(resources);
+        pspc.setIgnoreUnresolvablePlaceholders(true);
+        return pspc;
+    }
+
+}
@@ -3,6 +3,3 @@ spring.properties.refreshDelay=1000
 spring.config.location=file:extra.properties
 spring.main.allow-bean-definition-overriding=true

-database.url=jdbc:postgresql:/localhost:5432/instance
-database.username=foo
-database.password=bar
@@ -7,10 +7,14 @@
      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"/>
+    <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}"/>
    </bean>

+    <bean id="dataSource" class="com.baeldung.configurationproperties.Database">
+        <property name="url" value="${jdbc.url}" />
+    </bean>
+
 </beans>
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.springframework.org/schema/beans"
+       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.2.xsd"
+>
+
+<bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
+    <property name="locations">
+        <list>
+            <value>classpath:foo.properties</value>
+        </list>
+    </property>
+    <property name="ignoreUnresolvablePlaceholders" value="true"/>
+</bean>
+
+<bean class="org.springframework.context.support.PropertySourcesPlaceholderConfigurer">
+    <property name="locations">
+        <list>
+            <value>classpath:foo.properties</value>
+        </list>
+    </property>
+    <property name="ignoreUnresolvablePlaceholders" value="true"/>
+</bean>
+</beans>
@@ -0,0 +1,3 @@
+com.baeldung.url=www.abc.test.com
+com.baeldung.jdbc.url=
+com.baeldung.timeout-in-milli-seconds=2000
@@ -0,0 +1,4 @@
+database.url=jdbc:postgresql:/localhost:5432/instance
+database.username=foo
+database.password=bar
+jdbc.url=jdbc:postgresql:/localhost:5432
@@ -0,0 +1,5 @@
+database:
+    url: jdbc:postresql:/localhost:5432/instance
+    username: foo
+    password: bar
+secret: foo