Spring Boot - @ConfigurationProperties Examples

import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;

import java.util.List;
import java.util.Map;

@Component
@ConfigurationProperties("app")
public class MyAppProperties {
    private List<String> adminEmails;
    boolean sendEmailOnErrors;
    boolean exitOnErrors;
    private int refreshRate;
    private Map<String, String> orderScreenProperties;
    private Map<String, String> customerScreenProperties;
    .............
}

spring.main.banner-mode=off 
spring.main.logStartupInfo=false
app.refresh-rate=15
app.admin-emails[0]=jim@example.com
app.admin-emails[1]=gina@example.com
app.admin-emails[2]=tom@examle.com

app:
  send-email-on-errors: true
  exit-on-errors: true
  order-screen-properties:
       title:      Order Placement
       item-label: Item
       qty-label:  Qunatity
  customer-screen-properties:
       title:       Customer Profile
       name-label:  Customer Name
       phone-label: Contact Number

import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;

@Component
@ConfigurationProperties("app")
public class MyAppProperties {
    private boolean sendEmailOnErrors;
    private boolean exitOnErrors;
    private OrderScreenProperties orderScreenProperties;
    private CustomerScreenProperties customerScreenProperties;
    private MainScreenProperties mainScreenProperties;
    .............
}

spring.main.banner-mode=off 
spring.main.logStartupInfo=false
app.main-screen-properties.refresh-rate=15
app.main-screen-properties.width=600
app.main-screen-properties.height=400

app:
  send-email-on-errors: true
  exit-on-errors: true
  order-screen-properties:
       title:      Order Placement
       item-label: Item
       qty-label:  Qunatity
  customer-screen-properties:
       title:       Customer Profile
       name-label:  Customer Name
       phone-label: Contact Number

public class OrderScreenProperties {
    private String title;
    private String itemLabel;
    private String qtyLabel;
    .............
}

public class CustomerScreenProperties {
    private String title;
    private String nameLabel;
    private String phoneLabel;
    .............
}

public class MainScreenProperties {
    private int refreshRate;
    private int width;
    private int height;
    .............
}

import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;

import java.util.Currency;
import java.util.concurrent.TimeUnit;

@Component
@ConfigurationProperties("app")
public class MyAppProperties {
    private int refreshRate;
    private TimeUnit refreshTimeUnit;
    private Currency tradeCurrency;
    .............
}

spring.main.banner-mode=off 
spring.main.logStartupInfo=false
app.trade-currency=USD
app.refresh-time-unit=seconds
app.refresh-rate=5

import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;

import java.time.LocalDate;

@Component
@ConfigurationProperties("app")
public class MyAppProperties {
    private boolean exitOnErrors;
    private LocalDate tradeStartDate;
    .............
}

spring.main.banner-mode=off 
spring.main.logStartupInfo=false
app.exit-on-errors=true
app.trade-start-date=03-25-2016

import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;
import org.springframework.validation.annotation.Validated;

import javax.validation.constraints.Min;
import javax.validation.constraints.Pattern;

@Component
@ConfigurationProperties("app")
@Validated
public class MyAppProperties {
    @Pattern(regexp = "\\d{3}-\\d{3}-\\d{4}")
    private String adminContactNumber;
    @Min(1)
    private int refreshRate;
    .............
}

spring.main.banner-mode=off 
spring.main.logStartupInfo=false
app.admin-contact-number=111-111-111
app.refresh-rate=0

import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;
import org.springframework.validation.annotation.Validated;

import javax.validation.Valid;
import javax.validation.constraints.NotNull;

@Component
@ConfigurationProperties("app")
@Validated
public class MyAppProperties {
    @NotNull
    @Valid
    private MainScreenProperties mainScreenProperties;

    @NotNull
    @Valid
    private PhoneNumber adminContactNumber;
    .............
}

spring.main.banner-mode=off 
spring.main.logStartupInfo=false
app.main-screen-properties.refresh-rate=15
app.main-screen-properties.width=10
app.main-screen-properties.height=400
app.admin-contact-number.value=111-111-111
app.admin-contact-number.type=personal

import javax.validation.constraints.Pattern;

public class PhoneNumber {
    @Pattern(regexp = "\\d{3}-\\d{3}-\\d{4}")
    private String value;
    @Pattern(regexp = "(?i)cell|house|work")
    private String type;
    .............
}

import javax.validation.constraints.Max;
import javax.validation.constraints.Min;

public class MainScreenProperties {
    @Min(1)
    private int refreshRate;
    @Min(50)
    @Max(1000)
    private int width;
    @Min(50)
    @Max(600)
    private int height;
    .............
}