fixing formatting

spring-boot-modules/spring-boot-testing/src/main/java/com/baeldung/boot/configurationproperties/Credentials.java

@@ -2,27 +2,27 @@ package com.baeldung.boot.configurationproperties;
 
 public class Credentials {
 
-	private String username;
-	private String password;
+    private String username;
+    private String password;
 
-	public Credentials(String username, String password) {
-		this.username = username;
-		this.password = password;
-	}
+    public Credentials(String username, String password) {
+        this.username = username;
+        this.password = password;
+    }
 
-	public String getUsername() {
-		return username;
-	}
+    public String getUsername() {
+        return username;
+    }
 
-	public void setUsername(String username) {
-		this.username = username;
-	}
+    public void setUsername(String username) {
+        this.username = username;
+    }
 
-	public String getPassword() {
-		return password;
-	}
+    public String getPassword() {
+        return password;
+    }
 
-	public void setPassword(String password) {
-		this.password = password;
-	}
+    public void setPassword(String password) {
+        this.password = password;
+    }
 }

spring-boot-modules/spring-boot-testing/src/main/java/com/baeldung/boot/configurationproperties/CustomCredentialsConverter.java

@@ -8,9 +8,9 @@ import org.springframework.stereotype.Component;
 @ConfigurationPropertiesBinding
 public class CustomCredentialsConverter implements Converter<String, Credentials> {
 
-	@Override
-	public Credentials convert(String source) {
-		String data[] = source.split(",");
-		return new Credentials(data[0], data[1]);
-	}
+    @Override
+    public Credentials convert(String source) {
+        String[] data = source.split(",");
+        return new Credentials(data[0], data[1]);
+    }
 }

spring-boot-modules/spring-boot-testing/src/main/java/com/baeldung/boot/configurationproperties/MailServer.java

@@ -19,41 +19,41 @@ import org.springframework.validation.annotation.Validated;
 @Validated
 public class MailServer {
 
-	@NotNull
-	@NotEmpty
-	private Map<String, @NotBlank String> propertiesMap;
+    @NotNull
+    @NotEmpty
+    private Map<String, @NotBlank String> propertiesMap;
 
-	@Valid
-	private MailConfig mailConfig = new MailConfig();
+    @Valid
+    private MailConfig mailConfig = new MailConfig();
 
-	public static class MailConfig {
+    public static class MailConfig {
 
-		@NotBlank
-		@Email
-		private String address;
+        @NotBlank
+        @Email
+        private String address;
 
-		public String getAddress() {
-			return address;
-		}
+        public String getAddress() {
+            return address;
+        }
 
-		public void setAddress(String address) {
-			this.address = address;
-		}
-	}
+        public void setAddress(String address) {
+            this.address = address;
+        }
+    }
 
-	public Map<String, String> getPropertiesMap() {
-		return propertiesMap;
-	}
+    public Map<String, String> getPropertiesMap() {
+        return propertiesMap;
+    }
 
-	public void setPropertiesMap(Map<String, String> propertiesMap) {
-		this.propertiesMap = propertiesMap;
-	}
+    public void setPropertiesMap(Map<String, String> propertiesMap) {
+        this.propertiesMap = propertiesMap;
+    }
 
-	public MailConfig getMailConfig() {
-		return mailConfig;
-	}
+    public MailConfig getMailConfig() {
+        return mailConfig;
+    }
 
-	public void setMailConfig(MailConfig mailConfig) {
-		this.mailConfig = mailConfig;
-	}
+    public void setMailConfig(MailConfig mailConfig) {
+        this.mailConfig = mailConfig;
+    }
 }

spring-boot-modules/spring-boot-testing/src/main/java/com/baeldung/boot/configurationproperties/PropertyConversion.java

@@ -13,55 +13,55 @@ import org.springframework.util.unit.DataUnit;
 @ConfigurationProperties(prefix = "server")
 public class PropertyConversion {
 
-	private DataSize uploadSpeed;
+    private DataSize uploadSpeed;
 
-	@DataSizeUnit(DataUnit.GIGABYTES)
-	private DataSize downloadSpeed;
+    @DataSizeUnit(DataUnit.GIGABYTES)
+    private DataSize downloadSpeed;
 
-	private Duration backupDay;
+    private Duration backupDay;
 
-	@DurationUnit(ChronoUnit.HOURS)
-	private Duration backupHour;
+    @DurationUnit(ChronoUnit.HOURS)
+    private Duration backupHour;
 
-	private Credentials credentials;
+    private Credentials credentials;
 
-	public Duration getBackupDay() {
-		return backupDay;
-	}
+    public Duration getBackupDay() {
+        return backupDay;
+    }
 
-	public void setBackupDay(Duration backupDay) {
-		this.backupDay = backupDay;
-	}
+    public void setBackupDay(Duration backupDay) {
+        this.backupDay = backupDay;
+    }
 
-	public Duration getBackupHour() {
-		return backupHour;
-	}
+    public Duration getBackupHour() {
+        return backupHour;
+    }
 
-	public void setBackupHour(Duration backupHour) {
-		this.backupHour = backupHour;
-	}
+    public void setBackupHour(Duration backupHour) {
+        this.backupHour = backupHour;
+    }
 
-	public DataSize getUploadSpeed() {
-		return uploadSpeed;
-	}
+    public DataSize getUploadSpeed() {
+        return uploadSpeed;
+    }
 
-	public void setUploadSpeed(DataSize uploadSpeed) {
-		this.uploadSpeed = uploadSpeed;
-	}
+    public void setUploadSpeed(DataSize uploadSpeed) {
+        this.uploadSpeed = uploadSpeed;
+    }
 
-	public DataSize getDownloadSpeed() {
-		return downloadSpeed;
-	}
+    public DataSize getDownloadSpeed() {
+        return downloadSpeed;
+    }
 
-	public void setDownloadSpeed(DataSize downloadSpeed) {
-		this.downloadSpeed = downloadSpeed;
-	}
+    public void setDownloadSpeed(DataSize downloadSpeed) {
+        this.downloadSpeed = downloadSpeed;
+    }
 
-	public Credentials getCredentials() {
-		return credentials;
-	}
+    public Credentials getCredentials() {
+        return credentials;
+    }
 
-	public void setCredentials(Credentials credentials) {
-		this.credentials = credentials;
-	}
+    public void setCredentials(Credentials credentials) {
+        this.credentials = credentials;
+    }
 }

spring-boot-modules/spring-boot-testing/src/main/java/com/baeldung/boot/configurationproperties/ServerConfig.java

@@ -9,35 +9,35 @@ import org.springframework.context.annotation.Configuration;
 @ConfigurationProperties(prefix = "server")
 public class ServerConfig {
 
-	private Address address;
-	private Map<String, String> resourcesPath;
+    private Address address;
+    private Map<String, String> resourcesPath;
 
-	public static class Address {
+    public static class Address {
 
-		private String ip;
+        private String ip;
 
-		public String getIp() {
-			return ip;
-		}
+        public String getIp() {
+            return ip;
+        }
 
-		public void setIp(String ip) {
-			this.ip = ip;
-		}
-	}
+        public void setIp(String ip) {
+            this.ip = ip;
+        }
+    }
 
-	public Address getAddress() {
-		return address;
-	}
+    public Address getAddress() {
+        return address;
+    }
 
-	public void setAddress(Address address) {
-		this.address = address;
-	}
+    public void setAddress(Address address) {
+        this.address = address;
+    }
 
-	public Map<String, String> getResourcesPath() {
-		return resourcesPath;
-	}
+    public Map<String, String> getResourcesPath() {
+        return resourcesPath;
+    }
 
-	public void setResourcesPath(Map<String, String> resourcesPath) {
-		this.resourcesPath = resourcesPath;
-	}
+    public void setResourcesPath(Map<String, String> resourcesPath) {
+        this.resourcesPath = resourcesPath;
+    }
 }

spring-boot-modules/spring-boot-testing/src/main/java/com/baeldung/boot/configurationproperties/ServerConfigFactory.java

@@ -7,9 +7,9 @@ import org.springframework.context.annotation.Configuration;
 @Configuration
 public class ServerConfigFactory {
 
-	@Bean
-	@ConfigurationProperties(prefix = "server.default")
-	public ServerConfig getDefaultConfigs() {
-		return new ServerConfig();
-	}
+    @Bean
+    @ConfigurationProperties(prefix = "server.default")
+    public ServerConfig getDefaultConfigs() {
+        return new ServerConfig();
+    }
 }