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Relocate banner properties to spring.banner

Browse Source 
Closes gh-11339
pull/11310/merge
Stephane Nicoll 7 years ago
parent b6aa0f24e2
commit e5361d887c
8 changed files with 112 additions and 40 deletions
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18
spring-boot-project/spring-boot-docs/src/main/asciidoc/appendix-application-properties.adoc
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@ -28,15 +28,6 @@ content into your application. Rather, pick only the properties that you need.
# CORE PROPERTIES
# ----------------------------------------
# BANNER
banner.charset=UTF-8 # Banner file encoding.
banner.location=classpath:banner.txt # Banner file location.
banner.image.location=classpath:banner.gif # Banner image file location (jpg or png can also be used).
banner.image.width= # Width of the banner image in chars (default 76)
banner.image.height= # Height of the banner image in chars (default based on image height)
banner.image.margin= # Left hand image margin in chars (default 2)
banner.image.invert= # Whether images should be inverted for dark terminal themes (default false)
# LOGGING
logging.config= # Location of the logging configuration file. For instance, `classpath:logback.xml` for Logback
logging.exception-conversion-word=%wEx # Conversion word used when logging exceptions.
@ -66,6 +57,15 @@ content into your application. Rather, pick only the properties that you need.
# AUTO-CONFIGURATION
spring.autoconfigure.exclude= # Auto-configuration classes to exclude.
# BANNER
spring.banner.charset=UTF-8 # Banner file encoding.
spring.banner.location=classpath:banner.txt # Banner file location.
spring.banner.image.location=classpath:banner.gif # Banner image file location (jpg or png can also be used).
spring.banner.image.width= # Width of the banner image in chars (default 76)
spring.banner.image.height= # Height of the banner image in chars (default based on image height)
spring.banner.image.margin= # Left hand image margin in chars (default 2)
spring.banner.image.invert= # Whether images should be inverted for dark terminal themes (default false)
# SPRING CORE
spring.beaninfo.ignore=true # Whether to skip search of BeanInfo classes.

10
spring-boot-project/spring-boot-docs/src/main/asciidoc/spring-boot-features.adoc
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@ -92,11 +92,11 @@ the `debug` property as follows:
[[boot-features-banner]]
=== Customizing the Banner
The banner that is printed on start up can be changed by adding a `banner.txt` file to
your classpath or by setting the `banner.location` property to the location of such a
file. If the file has an encoding other than UTF-8, you can set `banner.charset`. In
addition to a text file, you can also add a `banner.gif`, `banner.jpg`, or `banner.png`
image file to your classpath or set the `banner.image.location` property. Images are
converted into an ASCII art representation and printed above any text banner.
your classpath or by setting the `spring.banner.location` property to the location of such
a file. If the file has an encoding other than UTF-8, you can set `spring.banner.charset`.
In addition to a text file, you can also add a `banner.gif`, `banner.jpg`, or `banner.png`
image file to your classpath or set the `spring.banner.image.location` property. Images
are converted into an ASCII art representation and printed above any text banner.
Inside your `banner.txt` file, you can use any of the following placeholders:

15
spring-boot-project/spring-boot/src/main/java/org/springframework/boot/ImageBanner.java
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@ -55,6 +55,8 @@ import org.springframework.util.Assert;
*/
public class ImageBanner implements Banner {
private static final String BANNER_IMAGE_PREFIX = "spring.banner.image.";
private static final Log logger = LogFactory.getLog(ImageBanner.class);
private static final double[] RGB_WEIGHT = { 0.2126d, 0.7152d, 0.0722d };
@ -98,11 +100,14 @@ public class ImageBanner implements Banner {
private void printBanner(Environment environment, PrintStream out)
throws IOException {
int width = environment.getProperty("banner.image.width", Integer.class, 76);
int height = environment.getProperty("banner.image.height", Integer.class, 0);
int margin = environment.getProperty("banner.image.margin", Integer.class, 2);
boolean invert = environment.getProperty("banner.image.invert", Boolean.class,
false);
int width = environment.getProperty(BANNER_IMAGE_PREFIX + "width",
Integer.class, 76);
int height = environment.getProperty(BANNER_IMAGE_PREFIX + "height",
Integer.class, 0);
int margin = environment.getProperty(BANNER_IMAGE_PREFIX + "margin",
Integer.class, 2);
boolean invert = environment.getProperty(BANNER_IMAGE_PREFIX + "invert",
Boolean.class, false);
Frame[] frames = readFrames(width, height);
for (int i = 0; i < frames.length; i++) {
if (i > 0) {

2
spring-boot-project/spring-boot/src/main/java/org/springframework/boot/ResourceBanner.java
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@ -62,7 +62,7 @@ public class ResourceBanner implements Banner {
PrintStream out) {
try {
String banner = StreamUtils.copyToString(this.resource.getInputStream(),
environment.getProperty("banner.charset", Charset.class,
environment.getProperty("spring.banner.charset", Charset.class,
StandardCharsets.UTF_8));
for (PropertyResolver resolver : getPropertyResolvers(environment,

6
spring-boot-project/spring-boot/src/main/java/org/springframework/boot/SpringApplicationBannerPrinter.java
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@ -36,9 +36,9 @@ import org.springframework.util.StringUtils;
*/
class SpringApplicationBannerPrinter {
static final String BANNER_LOCATION_PROPERTY = "banner.location";
static final String BANNER_LOCATION_PROPERTY = "spring.banner.location";
static final String BANNER_IMAGE_LOCATION_PROPERTY = "banner.image.location";
static final String BANNER_IMAGE_LOCATION_PROPERTY = "spring.banner.image.location";
static final String DEFAULT_BANNER_LOCATION = "banner.txt";
@ -114,7 +114,7 @@ class SpringApplicationBannerPrinter {
Class<?> mainApplicationClass) throws UnsupportedEncodingException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
banner.printBanner(environment, mainApplicationClass, new PrintStream(baos));
String charset = environment.getProperty("banner.charset", "UTF-8");
String charset = environment.getProperty("spring.banner.charset", "UTF-8");
return baos.toString(charset);
}

81
spring-boot-project/spring-boot/src/main/resources/META-INF/additional-spring-configuration-metadata.json
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@ -7,40 +7,40 @@
],
"properties": [
{
"name": "banner.charset",
"name": "spring.banner.charset",
"type": "java.nio.charset.Charset",
"description": "Banner file encoding.",
"defaultValue": "UTF-8"
},
{
"name": "banner.location",
"name": "spring.banner.location",
"type": "org.springframework.core.io.Resource",
"description": "Banner text resource location.",
"defaultValue": "classpath:banner.txt"
},
{
"name": "banner.image.location",
"name": "spring.banner.image.location",
"type": "org.springframework.core.io.Resource",
"description": "Banner image file location (jpg or png can also be used).",
"defaultValue": "banner.gif"
},
{
"name": "banner.image.width",
"name": "spring.banner.image.width",
"type": "java.lang.Integer",
"description": "Banner image width (in chars)."
},
{
"name": "banner.image.height",
"name": "spring.banner.image.height",
"type": "java.lang.Integer",
"description": "Banner image height (in chars)."
},
{
"name": "banner.image.margin",
"name": "spring.banner.image.margin",
"type": "java.lang.Integer",
"description": "Left hand image margin (in chars)."
},
{
"name": "banner.image.invert",
"name": "spring.banner.image.invert",
"type": "java.lang.Boolean",
"description": "Whether images should be inverted for dark terminal themes.",
"defaultValue": false
@ -254,6 +254,73 @@
"description": "Enable trace logs.",
"sourceType": "org.springframework.boot.context.logging.LoggingApplicationListener",
"defaultValue": false
},
{
"name": "banner.charset",
"type": "java.nio.charset.Charset",
"description": "Banner file encoding.",
"defaultValue": "UTF-8",
"deprecation": {
"replacement": "spring.banner.charset",
"level": "error"
}
},
{
"name": "banner.image.height",
"type": "java.lang.Integer",
"description": "Banner image height (in chars).",
"deprecation": {
"replacement": "spring.banner.image.height",
"level": "error"
}
},
{
"name": "banner.image.invert",
"type": "java.lang.Boolean",
"description": "Invert images for dark console themes.",
"defaultValue": false,
"deprecation": {
"replacement": "spring.banner.image.invert",
"level": "error"
}
},
{
"name": "banner.image.location",
"type": "org.springframework.core.io.Resource",
"description": "Banner image file location (jpg/png can also be used).",
"defaultValue": "banner.gif",
"deprecation": {
"replacement": "spring.banner.image.location",
"level": "error"
}
},
{
"name": "banner.image.margin",
"type": "java.lang.Integer",
"description": "Left hand image margin (in chars).",
"deprecation": {
"replacement": "spring.banner.image.margin",
"level": "error"
}
},
{
"name": "banner.image.width",
"type": "java.lang.Integer",
"description": "Banner image width (in chars).",
"deprecation": {
"replacement": "spring.banner.image.width",
"level": "error"
}
},
{
"name": "banner.location",
"type": "org.springframework.core.io.Resource",
"description": "Banner text resource location.",
"defaultValue": "classpath:banner.txt",
"deprecation": {
"replacement": "spring.banner.location",
"level": "error"
}
}
],
"hints": [

16
spring-boot-project/spring-boot/src/test/java/org/springframework/boot/ImageBannerTests.java
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@ -48,7 +48,7 @@ public class ImageBannerTests {
private static final char LOW_LUMINANCE_CHARACTER = '@';
private static final String INVERT_TRUE = "banner.image.invert=true";
private static final String INVERT_TRUE = "spring.banner.image.invert=true";
@Before
public void setup() {
@ -119,28 +119,28 @@ public class ImageBannerTests {
@Test
public void printBannerShouldRenderGradient() {
AnsiOutput.setEnabled(AnsiOutput.Enabled.NEVER);
String banner = printBanner("gradient.gif", "banner.image.width=10",
"banner.image.margin=0");
String banner = printBanner("gradient.gif", "spring.banner.image.width=10",
"spring.banner.image.margin=0");
assertThat(banner).contains("@#8&o:*. ");
}
@Test
public void printBannerShouldCalculateHeight() {
String banner = printBanner("large.gif", "banner.image.width=20");
String banner = printBanner("large.gif", "spring.banner.image.width=20");
assertThat(getBannerHeight(banner)).isEqualTo(10);
}
@Test
public void printBannerWhenHasHeightPropertyShouldSetHeight() {
String banner = printBanner("large.gif", "banner.image.width=20",
"banner.image.height=30");
String banner = printBanner("large.gif", "spring.banner.image.width=20",
"spring.banner.image.height=30");
assertThat(getBannerHeight(banner)).isEqualTo(30);
}
@Test
public void printBannerShouldCapWidthAndCalculateHeight() {
AnsiOutput.setEnabled(AnsiOutput.Enabled.NEVER);
String banner = printBanner("large.gif", "banner.image.margin=0");
String banner = printBanner("large.gif", "spring.banner.image.margin=0");
assertThat(getBannerWidth(banner)).isEqualTo(76);
assertThat(getBannerHeight(banner)).isEqualTo(37);
}
@ -158,7 +158,7 @@ public class ImageBannerTests {
@Test
public void printBannerWhenHasMarginPropertyShouldPrintSizedMargin() {
AnsiOutput.setEnabled(AnsiOutput.Enabled.NEVER);
String banner = printBanner("large.gif", "banner.image.margin=4");
String banner = printBanner("large.gif", "spring.banner.image.margin=4");
String[] lines = banner.split(NEW_LINE);
for (int i = 2; i < lines.length - 1; i++) {
assertThat(lines[i]).startsWith(" @");

4
spring-boot-project/spring-boot/src/test/java/org/springframework/boot/SpringApplicationTests.java
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@ -188,7 +188,7 @@ public class SpringApplicationTests {
public void customBanner() {
SpringApplication application = spy(new SpringApplication(ExampleConfig.class));
application.setWebApplicationType(WebApplicationType.NONE);
this.context = application.run("--banner.location=classpath:test-banner.txt");
this.context = application.run("--spring.banner.location=classpath:test-banner.txt");
assertThat(this.output.toString()).startsWith("Running a Test!");
}
@ -197,7 +197,7 @@ public class SpringApplicationTests {
SpringApplication application = spy(new SpringApplication(ExampleConfig.class));
application.setWebApplicationType(WebApplicationType.NONE);
this.context = application.run(
"--banner.location=classpath:test-banner-with-placeholder.txt",
"--spring.banner.location=classpath:test-banner-with-placeholder.txt",
"--test.property=123456");
assertThat(this.output.toString()).containsPattern("Running a Test!\\s+123456");
}

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