Spring/spring-boot
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Support Duration in generated meta-data

Browse Source 
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
This commit is contained in:
Phillip Webb
2017-11-19 21:03:22 -08:00
parent 7c6c9ddf09
commit cbaf0fa686
5 changed files with 66 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/main/java/org/springframework/boot/configurationprocessor/ConfigurationMetadataAnnotationProcessor.java
View File

@@ -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
View File

@@ -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;
}