rebased

2020-05-24 16:44:20 +05:30
parent 8ecf039b6b f48582cfe1
commit b2fac9be36
828 changed files with 12842 additions and 2352 deletions
@@ -28,6 +28,7 @@
        <module>spring-boot-deployment</module>
        <module>spring-boot-di</module>
        <module>spring-boot-camel</module>
+        <module>spring-boot-ci-cd</module>
        <!-- <module>spring-boot-cli</module> --> <!-- Not a maven project -->
        <module>spring-boot-custom-starter</module>
        <module>spring-boot-crud</module>
@@ -48,6 +49,7 @@
        <module>spring-boot-parent</module>
        <module>spring-boot-performance</module>
        <module>spring-boot-properties</module>
+        <module>spring-boot-properties-2</module>
        <module>spring-boot-property-exp</module>
        <module>spring-boot-runtime</module>
        <module>spring-boot-security</module>
@@ -0,0 +1,117 @@
+/*
+ * Copyright 2007-present the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import java.net.*;
+import java.io.*;
+import java.nio.channels.*;
+import java.util.Properties;
+
+public class MavenWrapperDownloader {
+
+    private static final String WRAPPER_VERSION = "0.5.6";
+    /**
+     * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
+     */
+    private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/"
+        + WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar";
+
+    /**
+     * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
+     * use instead of the default one.
+     */
+    private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
+            ".mvn/wrapper/maven-wrapper.properties";
+
+    /**
+     * Path where the maven-wrapper.jar will be saved to.
+     */
+    private static final String MAVEN_WRAPPER_JAR_PATH =
+            ".mvn/wrapper/maven-wrapper.jar";
+
+    /**
+     * Name of the property which should be used to override the default download url for the wrapper.
+     */
+    private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
+
+    public static void main(String args[]) {
+        System.out.println("- Downloader started");
+        File baseDirectory = new File(args[0]);
+        System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());
+
+        // If the maven-wrapper.properties exists, read it and check if it contains a custom
+        // wrapperUrl parameter.
+        File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
+        String url = DEFAULT_DOWNLOAD_URL;
+        if(mavenWrapperPropertyFile.exists()) {
+            FileInputStream mavenWrapperPropertyFileInputStream = null;
+            try {
+                mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
+                Properties mavenWrapperProperties = new Properties();
+                mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
+                url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
+            } catch (IOException e) {
+                System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
+            } finally {
+                try {
+                    if(mavenWrapperPropertyFileInputStream != null) {
+                        mavenWrapperPropertyFileInputStream.close();
+                    }
+                } catch (IOException e) {
+                    // Ignore ...
+                }
+            }
+        }
+        System.out.println("- Downloading from: " + url);
+
+        File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
+        if(!outputFile.getParentFile().exists()) {
+            if(!outputFile.getParentFile().mkdirs()) {
+                System.out.println(
+                        "- ERROR creating output directory '" + outputFile.getParentFile().getAbsolutePath() + "'");
+            }
+        }
+        System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
+        try {
+            downloadFileFromURL(url, outputFile);
+            System.out.println("Done");
+            System.exit(0);
+        } catch (Throwable e) {
+            System.out.println("- Error downloading");
+            e.printStackTrace();
+            System.exit(1);
+        }
+    }
+
+    private static void downloadFileFromURL(String urlString, File destination) throws Exception {
+        if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) {
+            String username = System.getenv("MVNW_USERNAME");
+            char[] password = System.getenv("MVNW_PASSWORD").toCharArray();
+            Authenticator.setDefault(new Authenticator() {
+                @Override
+                protected PasswordAuthentication getPasswordAuthentication() {
+                    return new PasswordAuthentication(username, password);
+                }
+            });
+        }
+        URL website = new URL(urlString);
+        ReadableByteChannel rbc;
+        rbc = Channels.newChannel(website.openStream());
+        FileOutputStream fos = new FileOutputStream(destination);
+        fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
+        fos.close();
+        rbc.close();
+    }
+
+}
@@ -0,0 +1,2 @@
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.3/apache-maven-3.6.3-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar
@@ -0,0 +1,16 @@
+language: java
+jdk:
+  - openjdk11
+services:
+  - docker
+
+before_install:
+  - echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_USERNAME" --password-stdin
+  - docker pull openjdk:11-jre-slim-sid
+
+script:
+  - ./mvnw clean org.jacoco:jacoco-maven-plugin:prepare-agent install
+  - ./mvnw heroku:deploy jib:build -P deploy-heroku,deploy-docker
+
+after_success:
+  - bash <(curl -s https://codecov.io/bash)
@@ -0,0 +1,7 @@
+# Spring Boot CI/CD
+
+This module contains articles about CI/CD with Spring Boot
+
+## Relevant Articles
+
+- [CI/CD for a Spring Boot Project](https://www.baeldung.com/spring-boot-ci-cd)
@@ -0,0 +1,182 @@
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements.  See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership.  The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License.  You may obtain a copy of the License at
+@REM
+@REM    http://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Maven Start Up Batch script
+@REM
+@REM Required ENV vars:
+@REM JAVA_HOME - location of a JDK home dir
+@REM
+@REM Optional ENV vars
+@REM M2_HOME - location of maven2's installed home dir
+@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
+@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
+@REM     e.g. to debug Maven itself, use
+@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+@REM ----------------------------------------------------------------------------
+
+@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
+@echo off
+@REM set title of command window
+title %0
+@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
+@if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%
+
+@REM set %HOME% to equivalent of $HOME
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
+
+@REM Execute a user defined script before this one
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
+@REM check for pre script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"
+if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd"
+:skipRcPre
+
+@setlocal
+
+set ERROR_CODE=0
+
+@REM To isolate internal variables from possible post scripts, we use another setlocal
+@setlocal
+
+@REM ==== START VALIDATION ====
+if not "%JAVA_HOME%" == "" goto OkJHome
+
+echo.
+echo Error: JAVA_HOME not found in your environment. >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+:OkJHome
+if exist "%JAVA_HOME%\bin\java.exe" goto init
+
+echo.
+echo Error: JAVA_HOME is set to an invalid directory. >&2
+echo JAVA_HOME = "%JAVA_HOME%" >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+@REM ==== END VALIDATION ====
+
+:init
+
+@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
+@REM Fallback to current working directory if not found.
+
+set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
+IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
+
+set EXEC_DIR=%CD%
+set WDIR=%EXEC_DIR%
+:findBaseDir
+IF EXIST "%WDIR%"\.mvn goto baseDirFound
+cd ..
+IF "%WDIR%"=="%CD%" goto baseDirNotFound
+set WDIR=%CD%
+goto findBaseDir
+
+:baseDirFound
+set MAVEN_PROJECTBASEDIR=%WDIR%
+cd "%EXEC_DIR%"
+goto endDetectBaseDir
+
+:baseDirNotFound
+set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
+cd "%EXEC_DIR%"
+
+:endDetectBaseDir
+
+IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
+
+@setlocal EnableExtensions EnableDelayedExpansion
+for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
+@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
+
+:endReadAdditionalConfig
+
+SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
+set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
+set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+
+FOR /F "tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
+    IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
+)
+
+@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
+if exist %WRAPPER_JAR% (
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Found %WRAPPER_JAR%
+    )
+) else (
+    if not "%MVNW_REPOURL%" == "" (
+        SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+    )
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Couldn't find %WRAPPER_JAR%, downloading it ...
+        echo Downloading from: %DOWNLOAD_URL%
+    )
+
+    powershell -Command "&{"^
+		"$webclient = new-object System.Net.WebClient;"^
+		"if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
+		"$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
+		"}"^
+		"[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^
+		"}"
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Finished downloading %WRAPPER_JAR%
+    )
+)
+@REM End of extension
+
+@REM Provide a "standardized" way to retrieve the CLI args that will
+@REM work with both Windows and non-Windows executions.
+set MAVEN_CMD_LINE_ARGS=%*
+
+%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
+if ERRORLEVEL 1 goto error
+goto end
+
+:error
+set ERROR_CODE=1
+
+:end
+@endlocal & set ERROR_CODE=%ERROR_CODE%
+
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost
+@REM check for post script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat"
+if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd"
+:skipRcPost
+
+@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
+if "%MAVEN_BATCH_PAUSE%" == "on" pause
+
+if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE%
+
+exit /B %ERROR_CODE%
@@ -0,0 +1,107 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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>
+    <artifactId>spring-boot-ci-cd</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>spring-boot-ci-cd</name>
+    <packaging>jar</packaging>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-boot-2</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../../parent-boot-2</relativePath>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-actuator</artifactId>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.jacoco</groupId>
+                <artifactId>jacoco-maven-plugin</artifactId>
+                <version>0.8.5</version>
+                <executions>
+                    <execution>
+                        <id>default-prepare-agent</id>
+                        <goals>
+                            <goal>prepare-agent</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>report</id>
+                        <phase>test</phase>
+                        <goals>
+                            <goal>report</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+
+    <profiles>
+        <profile>
+            <id>deploy-heroku</id>
+            <properties>
+                <maven.deploy.skip>true</maven.deploy.skip>
+            </properties>
+            <build>
+                <plugins>
+                    <plugin>
+                        <groupId>com.heroku.sdk</groupId>
+                        <artifactId>heroku-maven-plugin</artifactId>
+                        <version>3.0.2</version>
+                        <configuration>
+                            <appName>spring-boot-ci-cd</appName>
+                            <processTypes>
+                                <web>java $JAVA_OPTS -jar -Dserver.port=$PORT target/${project.build.finalName}.jar</web>
+                            </processTypes>
+                        </configuration>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
+        <profile>
+            <id>deploy-docker</id>
+            <properties>
+                <maven.deploy.skip>true</maven.deploy.skip>
+            </properties>
+            <build>
+                <plugins>
+                    <plugin>
+                        <groupId>com.google.cloud.tools</groupId>
+                        <artifactId>jib-maven-plugin</artifactId>
+                        <version>2.2.0</version>
+                        <configuration>
+                            <to>
+                                <image>registry.hub.docker.com/baeldungjib/baeldung-ci-cd-process</image>
+                                <tags>
+                                    <tag>${project.version}</tag>
+                                    <tag>latest</tag>
+                                </tags>
+                            </to>
+                        </configuration>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
+    </profiles>
+
+</project>
@@ -0,0 +1,12 @@
+package com.baeldung.cicd;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class CiCdApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(CiCdApplication.class, args);
+    }
+}
@@ -0,0 +1 @@
+defaultSize: 5
@@ -0,0 +1,15 @@
+package com.baeldung.cicd;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+import org.junit.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class CiCdApplicationIntegrationTest {
+
+    @Test
+    public void contextLoads() {
+
+    }
+}
@@ -5,4 +5,4 @@ This module contains articles about logging in Spring Boot projects with Log4j 2
 ### Relevant Articles: 
 - [Logging in Spring Boot](https://www.baeldung.com/spring-boot-logging)
 - [Logging to Graylog with Spring Boot](https://www.baeldung.com/graylog-with-spring-boot)
-
+- [Log Groups in Spring Boot 2.1](https://www.baeldung.com/spring-boot-log-groups)
@@ -87,19 +87,6 @@
    </build>

    <repositories>
-        <repository>
-            <id>spring-snapshots</id>
-            <name>Spring Snapshots</name>
-            <url>https://repo.spring.io/snapshot</url>
-            <snapshots>
-                <enabled>true</enabled>
-            </snapshots>
-        </repository>
-        <repository>
-            <id>spring-milestones</id>
-            <name>Spring Milestones</name>
-            <url>https://repo.spring.io/milestone</url>
-        </repository>
        <repository>
            <id>jcenter-snapshots</id>
            <name>jcenter</name>
@@ -107,27 +94,12 @@
        </repository>
    </repositories>

-    <pluginRepositories>
-        <pluginRepository>
-            <id>spring-snapshots</id>
-            <name>Spring Snapshots</name>
-            <url>https://repo.spring.io/snapshot</url>
-            <snapshots>
-                <enabled>true</enabled>
-            </snapshots>
-        </pluginRepository>
-        <pluginRepository>
-            <id>spring-milestones</id>
-            <name>Spring Milestones</name>
-            <url>https://repo.spring.io/milestone</url>
-        </pluginRepository>
-    </pluginRepositories>

    <properties>
        <spring.fox.version>3.0.0-SNAPSHOT</spring.fox.version>
        <start-class>com.baeldung.swagger2boot.SpringBootSwaggerApplication</start-class>
        <!-- <start-class>com.baeldung.springbootmvc.SpringBootMvcFnApplication</start-class> -->
-        <spring-boot.version>2.2.0.BUILD-SNAPSHOT</spring-boot.version>
+        <spring-boot.version>2.2.6.RELEASE</spring-boot.version>
         <xstream.version>1.4.11.1</xstream.version>
    </properties>

@@ -20,7 +20,7 @@
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-data-jpa</artifactId>
-                <version>${spring-boot.version}</version>
+                <version>${spring-boot-starter-data-jpa.version}</version>
            </dependency>
        </dependencies>
    </dependencyManagement>
@@ -38,7 +38,7 @@

    <properties>
        <java.version>1.8</java.version>
-        <spring-boot.version>2.1.5.RELEASE</spring-boot.version>
+        <spring-boot-starter-data-jpa.version>2.2.5.RELEASE</spring-boot-starter-data-jpa.version>
        <junit.version>4.11</junit.version>
    </properties>

@@ -0,0 +1,10 @@
+## Spring Boot Properties
+
+This module contains articles about Properties in Spring Boot.
+
+### Relevant Articles:
+- [Load Spring Boot Properties From a JSON File](https://www.baeldung.com/spring-boot-json-properties)
+- [A Quick Guide to Spring @Value](https://www.baeldung.com/spring-value-annotation)
+- [Using Spring @Value with Defaults](https://www.baeldung.com/spring-value-defaults)
+- [How to Inject a Property Value Into a Class Not Managed by Spring?](https://www.baeldung.com/inject-properties-value-non-spring-class)
+- More articles: [[<-- prev]](../spring-boot-properties)
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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>
+    <artifactId>spring-boot-properties-2</artifactId>
+    <name>spring-boot-properties-2</name>
+    <packaging>jar</packaging>
+    <description>Spring Boot Properties Module</description>
+    <version>0.0.1-SNAPSHOT</version>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-boot-2</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../../parent-boot-2</relativePath>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+    </dependencies>
+
+</project>
@@ -0,0 +1,16 @@
+package com.baeldung.properties.json;
+
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.builder.SpringApplicationBuilder;
+import org.springframework.context.annotation.ComponentScan;
+
+@SpringBootApplication
+@ComponentScan(basePackageClasses = {JsonProperties.class, CustomJsonProperties.class})
+public class ConfigPropertiesDemoApplication {
+
+    public static void main(String[] args) {
+        new SpringApplicationBuilder(ConfigPropertiesDemoApplication.class).initializers(new JsonPropertyContextInitializer())
+                .run();
+    }
+
+}
@@ -1,4 +1,4 @@
-package com.baeldung.properties;
+package com.baeldung.properties.json;

 import org.springframework.boot.context.properties.ConfigurationProperties;
 import org.springframework.stereotype.Component;
@@ -1,12 +1,13 @@
-package com.baeldung.properties;
-
-import java.util.LinkedHashMap;
-import java.util.List;
+package com.baeldung.properties.json;

+import com.baeldung.properties.json.factory.JsonPropertySourceFactory;
 import org.springframework.boot.context.properties.ConfigurationProperties;
 import org.springframework.context.annotation.PropertySource;
 import org.springframework.stereotype.Component;

+import java.util.LinkedHashMap;
+import java.util.List;
+
@Component
@PropertySource(value = "classpath:configprops.json", factory = JsonPropertySourceFactory.class)
@ConfigurationProperties
@@ -1,4 +1,11 @@
-package com.baeldung.properties;
+package com.baeldung.properties.json;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.springframework.context.ApplicationContextInitializer;
+import org.springframework.context.ConfigurableApplicationContext;
+import org.springframework.core.env.MapPropertySource;
+import org.springframework.core.env.PropertySource;
+import org.springframework.core.io.Resource;

 import java.io.IOException;
 import java.util.Collection;
@@ -10,14 +17,6 @@ import java.util.Optional;
 import java.util.Set;
 import java.util.stream.Collectors;

-import org.springframework.context.ApplicationContextInitializer;
-import org.springframework.context.ConfigurableApplicationContext;
-import org.springframework.core.env.MapPropertySource;
-import org.springframework.core.env.PropertySource;
-import org.springframework.core.io.Resource;
-
-import com.fasterxml.jackson.databind.ObjectMapper;
-
 public class JsonPropertyContextInitializer implements ApplicationContextInitializer<ConfigurableApplicationContext> {

    private final static String CUSTOM_PREFIX = "custom.";
@@ -1,14 +1,13 @@
-package com.baeldung.properties;
-
-import java.io.IOException;
-import java.util.Map;
+package com.baeldung.properties.json.factory;

+import com.fasterxml.jackson.databind.ObjectMapper;
 import org.springframework.core.env.MapPropertySource;
 import org.springframework.core.env.PropertySource;
 import org.springframework.core.io.support.EncodedResource;
 import org.springframework.core.io.support.PropertySourceFactory;

-import com.fasterxml.jackson.databind.ObjectMapper;
+import java.io.IOException;
+import java.util.Map;

 public class JsonPropertySourceFactory implements PropertySourceFactory {

@@ -1,4 +1,4 @@
-package com.baeldung.value;
+package com.baeldung.properties.value;

 public class ClassNotManagedBySpring {

@@ -0,0 +1,27 @@
+package com.baeldung.properties.value;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.PropertySource;
+import org.springframework.stereotype.Component;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+
+@Component
+@PropertySource("classpath:values.properties")
+public class CollectionProvider {
+
+    private final List<String> values = new ArrayList<>();
+
+    public Collection<String> getValues() {
+        return Collections.unmodifiableCollection(values);
+    }
+
+    @Autowired
+    public void setValues(@Value("#{'${listOfValues}'.split(',')}") List<String> values) {
+        this.values.addAll(values);
+    }
+}
@@ -1,4 +1,4 @@
-package com.baeldung.value;
+package com.baeldung.properties.value;

 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
@@ -0,0 +1,22 @@
+package com.baeldung.properties.value;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.PropertySource;
+import org.springframework.stereotype.Component;
+
+@Component
+@PropertySource("classpath:values.properties")
+public class PriorityProvider {
+
+    private final String priority;
+
+    @Autowired
+    public PriorityProvider(@Value("${priority:normal}") String priority) {
+        this.priority = priority;
+    }
+
+    public String getPriority() {
+        return priority;
+    }
+}
@@ -1,4 +1,4 @@
-package com.baeldung.value;
+package com.baeldung.properties.value;

 public class SomeBean {
    private int someValue;
@@ -1,10 +1,4 @@
-package com.baeldung.value;
-
-import java.util.Arrays;
-import java.util.List;
-import java.util.Map;
-
-import javax.annotation.PostConstruct;
+package com.baeldung.properties.value;

 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.ApplicationContext;
@@ -13,6 +7,11 @@ import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.PropertySource;

+import javax.annotation.PostConstruct;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map;
+
@Configuration
@PropertySource(name = "myProperties", value = "values.properties")
 public class ValuesApp {
@@ -1,10 +1,6 @@
-package com.baeldung.valuewithdefaults;
-
-import java.util.Arrays;
-import java.util.List;
-
-import javax.annotation.PostConstruct;
+package com.baeldung.properties.value.defaults;

+import org.apache.commons.lang3.ArrayUtils;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.ApplicationContext;
 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
@@ -12,8 +8,9 @@ import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.PropertySource;
 import org.springframework.util.Assert;

-import com.google.common.collect.Lists;
-import com.google.common.primitives.Ints;
+import javax.annotation.PostConstruct;
+import java.util.Arrays;
+import java.util.List;

 /**
 * Demonstrates setting defaults for @Value annotation.  Note that there are no properties 
@@ -62,14 +59,13 @@ public class ValuesWithDefaultsApp {
    	Assert.isTrue(intWithDefaultValue == 42);
    	
    	// arrays
-    	List<String> stringListValues = Lists.newArrayList("one", "two", "three");
+        List<String> stringListValues = Arrays.asList("one", "two", "three");
    	Assert.isTrue(Arrays.asList(stringArrayWithDefaults).containsAll(stringListValues));

-    	List<Integer> intListValues = Lists.newArrayList(1, 2, 3);
-    	Assert.isTrue(Ints.asList(intArrayWithDefaults).containsAll(intListValues));
+        List<Integer> intListValues = Arrays.asList(1, 2, 3);
+    	Assert.isTrue(Arrays.asList(ArrayUtils.toObject(intArrayWithDefaults)).containsAll(intListValues));

    	// SpEL
    	Assert.isTrue(spelWithDefaultValue.equals("my default system property value"));
-    	
    }
 }
@@ -0,0 +1,22 @@
+package com.baeldung.properties.yaml;
+
+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 YamlApplication implements CommandLineRunner {
+
+    @Autowired
+    private YamlFooProperties yamlFooProperties;
+
+    public static void main(String[] args) {
+        SpringApplication.run(YamlApplication.class, args);
+    }
+
+    @Override
+    public void run(String... args) throws Exception {
+        System.out.println("YAML Properties " + yamlFooProperties);
+    }
+}
@@ -0,0 +1,42 @@
+package com.baeldung.properties.yaml;
+
+import com.baeldung.properties.yaml.factory.YamlPropertySourceFactory;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.PropertySource;
+
+import java.util.List;
+
+@Configuration
+@ConfigurationProperties(prefix = "yaml")
+@PropertySource(value = "classpath:foo.yml", factory = YamlPropertySourceFactory.class)
+public class YamlFooProperties {
+
+    private String name;
+
+    private List<String> aliases;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public List<String> getAliases() {
+        return aliases;
+    }
+
+    public void setAliases(List<String> aliases) {
+        this.aliases = aliases;
+    }
+
+    @Override
+    public String toString() {
+        return "YamlFooProperties{" +
+                "name='" + name + '\'' +
+                ", aliases=" + aliases +
+                '}';
+    }
+}
--- a/Show More
+++ b/Show More