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Support Duration in generated meta-data

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Update the configuration properties annotation processor to deal
with `Duration` based default values. For example a field that
defaults to `Duration.ofSeconds(10)` will have a meta-data default
value of `10s`.

See gh-11080
pull/11063/head
Phillip Webb 7 years ago
parent 7c6c9ddf09
commit cbaf0fa686
5 changed files with 66 additions and 16 deletions
Show Stats Download Patch File Download Diff File

5
spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/main/java/org/springframework/boot/configurationprocessor/ConfigurationMetadataAnnotationProcessor.java
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@ -19,6 +19,7 @@ package org.springframework.boot.configurationprocessor;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.time.Duration;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
@ -424,8 +425,8 @@ public class ConfigurationMetadataAnnotationProcessor extends AbstractProcessor
String.format("Enable the %s endpoint.", endpointId),
(enabledByDefault == null ? true : enabledByDefault), null));
this.metadataCollector.add(ItemMetadata.newProperty(endpointKey(endpointId),
"cache.time-to-live", Long.class.getName(), type, null,
"Maximum time in milliseconds that a response can be cached.", 0, null));
"cache.time-to-live", Duration.class.getName(), type, null,
"Maximum time that a response can be cached.", 0, null));
}
private String endpointKey(String suffix) {

40
spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/main/java/org/springframework/boot/configurationprocessor/fieldvalues/javac/JavaCompilerFieldValuesParser.java
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@ -76,7 +76,7 @@ public class JavaCompilerFieldValuesParser implements FieldValuesParser {
WRAPPER_TYPES = Collections.unmodifiableMap(types);
}
private static final Map<Class<?>, Object> defaultTypeValues;
private static final Map<Class<?>, Object> DEFAULT_TYPE_VALUES;
static {
Map<Class<?>, Object> values = new HashMap<>();
@ -85,10 +85,10 @@ public class JavaCompilerFieldValuesParser implements FieldValuesParser {
values.put(Short.class, (short) 0);
values.put(Integer.class, 0);
values.put(Long.class, (long) 0);
defaultTypeValues = Collections.unmodifiableMap(values);
DEFAULT_TYPE_VALUES = Collections.unmodifiableMap(values);
}
private static final Map<String, Object> wellKnownStaticFinals;
private static final Map<String, Object> WELL_KNOWN_STATIC_FINALS;
static {
Map<String, Object> values = new HashMap<>();
@ -98,7 +98,22 @@ public class JavaCompilerFieldValuesParser implements FieldValuesParser {
values.put("StandardCharsets.UTF_8", "UTF-8");
values.put("StandardCharsets.UTF_16", "UTF-16");
values.put("StandardCharsets.US_ASCII", "US-ASCII");
wellKnownStaticFinals = Collections.unmodifiableMap(values);
WELL_KNOWN_STATIC_FINALS = Collections.unmodifiableMap(values);
}
private static final String DURATION_OF = "Duration.of";
private static final Map<String, String> DURATION_SUFFIX;
static {
Map<String, String> values = new HashMap<>();
values.put("Nanos", "ns");
values.put("Millis", "ms");
values.put("Seconds", "s");
values.put("Minutes", "m");
values.put("Hours", "h");
values.put("Days", "d");
DURATION_SUFFIX = Collections.unmodifiableMap(values);
}
private final Map<String, Object> fieldValues = new HashMap<>();
@ -119,7 +134,7 @@ public class JavaCompilerFieldValuesParser implements FieldValuesParser {
private Object getValue(VariableTree variable) throws Exception {
ExpressionTree initializer = variable.getInitializer();
Class<?> wrapperType = WRAPPER_TYPES.get(variable.getType());
Object defaultValue = defaultTypeValues.get(wrapperType);
Object defaultValue = DEFAULT_TYPE_VALUES.get(wrapperType);
if (initializer != null) {
return getValue(initializer, defaultValue);
}
@ -134,7 +149,7 @@ public class JavaCompilerFieldValuesParser implements FieldValuesParser {
}
Object factoryValue = expression.getFactoryValue();
if (factoryValue != null) {
return factoryValue;
return getFactoryValue(expression, factoryValue);
}
List<? extends ExpressionTree> arrayValues = expression.getArrayExpression();
if (arrayValues != null) {
@ -152,11 +167,22 @@ public class JavaCompilerFieldValuesParser implements FieldValuesParser {
return this.staticFinals.get(expression.toString());
}
if (expression.getKind().equals("MEMBER_SELECT")) {
return wellKnownStaticFinals.get(expression.toString());
return WELL_KNOWN_STATIC_FINALS.get(expression.toString());
}
return defaultValue;
}
private Object getFactoryValue(ExpressionTree expression, Object factoryValue) {
Object instance = expression.getInstance();
if (instance != null && instance.toString().startsWith(DURATION_OF)) {
String type = instance.toString();
type = type.substring(DURATION_OF.length(), type.indexOf("("));
String suffix = DURATION_SUFFIX.get(type);
return (suffix == null ? null : factoryValue + suffix);
}
return factoryValue;
}
public Map<String, Object> getFieldValues() {
return this.fieldValues;
}

13
spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/test/java/org/springframework/boot/configurationprocessor/ConfigurationMetadataAnnotationProcessorTests.java
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@ -19,6 +19,7 @@ package org.springframework.boot.configurationprocessor;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.time.Duration;
import java.util.Arrays;
import java.util.Collections;
@ -532,8 +533,8 @@ public class ConfigurationMetadataAnnotationProcessorTests {
@Test
public void simpleEndpoint() throws IOException {
ConfigurationMetadata metadata = compile(SimpleEndpoint.class);
assertThat(metadata).has(
Metadata.withGroup("management.endpoint.simple").fromSource(SimpleEndpoint.class));
assertThat(metadata).has(Metadata.withGroup("management.endpoint.simple")
.fromSource(SimpleEndpoint.class));
assertThat(metadata).has(enabledFlag("simple", true));
assertThat(metadata).has(cacheTtl("simple"));
assertThat(metadata.getItems()).hasSize(3);
@ -564,8 +565,8 @@ public class ConfigurationMetadataAnnotationProcessorTests {
ConfigurationMetadata metadata = compile(CustomPropertiesEndpoint.class);
assertThat(metadata).has(Metadata.withGroup("management.endpoint.customprops")
.fromSource(CustomPropertiesEndpoint.class));
assertThat(metadata).has(Metadata
.withProperty("management.endpoint.customprops.name")
assertThat(metadata)
.has(Metadata.withProperty("management.endpoint.customprops.name")
.ofType(String.class).withDefaultValue("test"));
assertThat(metadata).has(enabledFlag("customprops", true));
assertThat(metadata).has(cacheTtl("customprops"));
@ -632,8 +633,8 @@ public class ConfigurationMetadataAnnotationProcessorTests {
private Metadata.MetadataItemCondition cacheTtl(String endpointId) {
return Metadata
.withProperty("management.endpoint." + endpointId + ".cache.time-to-live")
.ofType(Long.class).withDefaultValue(0).withDescription(
"Maximum time in milliseconds that a response can be cached.");
.ofType(Duration.class).withDefaultValue(0)
.withDescription("Maximum time that a response can be cached.");
}
@Test

7
spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/test/java/org/springframework/boot/configurationprocessor/fieldvalues/AbstractFieldValuesProcessorTests.java
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@ -88,6 +88,13 @@ public abstract class AbstractFieldValuesProcessorTests {
.isEqualTo(new Object[] { "c" });
assertThat(values.get("integerArray")).isEqualTo(new Object[] { 42, 24 });
assertThat(values.get("unknownArray")).isNull();
assertThat(values.get("durationNone")).isNull();
assertThat(values.get("durationNanos")).isEqualTo("5ns");
assertThat(values.get("durationMillis")).isEqualTo("10ms");
assertThat(values.get("durationSeconds")).isEqualTo("20s");
assertThat(values.get("durationMinutes")).isEqualTo("30m");
assertThat(values.get("durationHours")).isEqualTo("40h");
assertThat(values.get("durationDays")).isEqualTo("50d");
}
@SupportedAnnotationTypes({

15
spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/test/java/org/springframework/boot/configurationsample/fieldvalues/FieldValues.java
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@ -18,6 +18,7 @@ package org.springframework.boot.configurationsample.fieldvalues;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.time.Duration;
import org.springframework.boot.configurationsample.ConfigurationProperties;
import org.springframework.util.MimeType;
@ -108,4 +109,18 @@ public class FieldValues {
private FieldValues[] unknownArray = new FieldValues[] { new FieldValues() };
private Duration durationNone;
private Duration durationNanos = Duration.ofNanos(5);
private Duration durationMillis = Duration.ofMillis(10);
private Duration durationSeconds = Duration.ofSeconds(20);
private Duration durationMinutes = Duration.ofMinutes(30);
private Duration durationHours = Duration.ofHours(40);
private Duration durationDays = Duration.ofDays(50);
}

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