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SPR-7875

pull/7/head
Keith Donald 14 years ago
parent
37e0a90350
commit
7d1104e442
1 changed files with 116 additions and 84 deletions
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  1. 200
      org.springframework.context/src/main/java/org/springframework/format/support/FormattingConversionService.java

200
org.springframework.context/src/main/java/org/springframework/format/support/FormattingConversionService.java
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@ -51,11 +51,11 @@ public class FormattingConversionService extends GenericConversionService @@ -51,11 +51,11 @@ public class FormattingConversionService extends GenericConversionService
private StringValueResolver embeddedValueResolver;
private final Map<FieldFormatterKey, GenericConverter> cachedPrinters =
new ConcurrentHashMap<FieldFormatterKey, GenericConverter>();
private final Map<AnnotationConverterKey, GenericConverter> cachedPrinters =
new ConcurrentHashMap<AnnotationConverterKey, GenericConverter>();
private final Map<FieldFormatterKey, GenericConverter> cachedParsers =
new ConcurrentHashMap<FieldFormatterKey, GenericConverter>();
private final Map<AnnotationConverterKey, GenericConverter> cachedParsers =
new ConcurrentHashMap<AnnotationConverterKey, GenericConverter>();
public void setEmbeddedValueResolver(StringValueResolver resolver) {
@ -93,90 +93,13 @@ public class FormattingConversionService extends GenericConversionService @@ -93,90 +93,13 @@ public class FormattingConversionService extends GenericConversionService
if (this.embeddedValueResolver != null && annotationFormatterFactory instanceof EmbeddedValueResolverAware) {
((EmbeddedValueResolverAware) annotationFormatterFactory).setEmbeddedValueResolver(this.embeddedValueResolver);
}
Set<Class<?>> fieldTypes = annotationFormatterFactory.getFieldTypes();
for (final Class<?> fieldType : fieldTypes) {
addConverter(new ConditionalGenericConverter() {
public Set<ConvertiblePair> getConvertibleTypes() {
return Collections.singleton(new ConvertiblePair(fieldType, String.class));
}
public boolean matches(TypeDescriptor sourceType, TypeDescriptor targetType) {
return (sourceType.getAnnotation(annotationType) != null);
}
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
FieldFormatterKey key = new FieldFormatterKey(sourceType.getAnnotation(annotationType), fieldType);
GenericConverter converter = cachedPrinters.get(key);
if (converter == null) {
Printer<?> printer = annotationFormatterFactory.getPrinter(key.getAnnotation(), key.getFieldType());
converter = new PrinterConverter(fieldType, printer, FormattingConversionService.this);
cachedPrinters.put(key, converter);
}
return converter.convert(source, sourceType, targetType);
}
public String toString() {
return "@" + annotationType.getName() + " " + fieldType.getName() + " -> " +
String.class.getName() + ": " + annotationFormatterFactory;
}
});
addConverter(new ConditionalGenericConverter() {
public Set<ConvertiblePair> getConvertibleTypes() {
return Collections.singleton(new ConvertiblePair(String.class, fieldType));
}
public boolean matches(TypeDescriptor sourceType, TypeDescriptor targetType) {
return (targetType.getAnnotation(annotationType) != null);
}
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
FieldFormatterKey key = new FieldFormatterKey(targetType.getAnnotation(annotationType), fieldType);
GenericConverter converter = cachedParsers.get(key);
if (converter == null) {
Parser<?> printer = annotationFormatterFactory.getParser(key.getAnnotation(), key.getFieldType());
converter = new ParserConverter(fieldType, printer, FormattingConversionService.this);
cachedParsers.put(key, converter);
}
return converter.convert(source, sourceType, targetType);
}
public String toString() {
return String.class.getName() + " -> @" + annotationType.getName() + " " +
fieldType.getName() + ": " + annotationFormatterFactory;
}
});
addConverter(new AnnotationPrinterConverter(annotationType, annotationFormatterFactory, fieldType));
addConverter(new AnnotationParserConverter(annotationType, annotationFormatterFactory, fieldType));
}
}
private static final class FieldFormatterKey {
private final Annotation annotation;
private final Class<?> fieldType;
public FieldFormatterKey(Annotation annotation, Class<?> fieldType) {
this.annotation = annotation;
this.fieldType = fieldType;
}
public Annotation getAnnotation() {
return annotation;
}
public Class<?> getFieldType() {
return fieldType;
}
public boolean equals(Object o) {
if (!(o instanceof FieldFormatterKey)) {
return false;
}
FieldFormatterKey key = (FieldFormatterKey) o;
return this.annotation.equals(key.annotation) && this.fieldType.equals(key.fieldType);
}
public int hashCode() {
return this.annotation.hashCode() + 29 * this.fieldType.hashCode();
}
}
private static class PrinterConverter implements GenericConverter {
private Class<?> fieldType;
@ -216,7 +139,6 @@ public class FormattingConversionService extends GenericConversionService @@ -216,7 +139,6 @@ public class FormattingConversionService extends GenericConversionService
}
}
private static class ParserConverter implements GenericConverter {
private Class<?> fieldType;
@ -259,4 +181,114 @@ public class FormattingConversionService extends GenericConversionService @@ -259,4 +181,114 @@ public class FormattingConversionService extends GenericConversionService
}
}
private final class AnnotationPrinterConverter implements ConditionalGenericConverter {
private Class<? extends Annotation> annotationType;
private AnnotationFormatterFactory annotationFormatterFactory;
private Class<?> fieldType;
public AnnotationPrinterConverter(Class<? extends Annotation> annotationType,
AnnotationFormatterFactory annotationFormatterFactory, Class<?> fieldType) {
this.annotationType = annotationType;
this.annotationFormatterFactory = annotationFormatterFactory;
this.fieldType = fieldType;
}
public Set<ConvertiblePair> getConvertibleTypes() {
return Collections.singleton(new ConvertiblePair(fieldType, String.class));
}
public boolean matches(TypeDescriptor sourceType, TypeDescriptor targetType) {
return sourceType.getAnnotation(annotationType) != null;
}
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
AnnotationConverterKey converterKey = new AnnotationConverterKey(sourceType.getAnnotation(annotationType), sourceType.getObjectType());
GenericConverter converter = cachedPrinters.get(converterKey);
if (converter == null) {
Printer<?> printer = annotationFormatterFactory.getPrinter(converterKey.getAnnotation(), converterKey.getFieldType());
converter = new PrinterConverter(fieldType, printer, FormattingConversionService.this);
cachedPrinters.put(converterKey, converter);
}
return converter.convert(source, sourceType, targetType);
}
public String toString() {
return "@" + annotationType.getName() + " " + fieldType.getName() + " -> " + String.class.getName() + ": " + annotationFormatterFactory;
}
}
private final class AnnotationParserConverter implements ConditionalGenericConverter {
private Class<? extends Annotation> annotationType;
private AnnotationFormatterFactory annotationFormatterFactory;
private Class<?> fieldType;
public AnnotationParserConverter(Class<? extends Annotation> annotationType,
AnnotationFormatterFactory<?> annotationFormatterFactory, Class<?> fieldType) {
this.annotationType = annotationType;
this.annotationFormatterFactory = annotationFormatterFactory;
this.fieldType = fieldType;
}
public Set<ConvertiblePair> getConvertibleTypes() {
return Collections.singleton(new ConvertiblePair(String.class, fieldType));
}
public boolean matches(TypeDescriptor sourceType, TypeDescriptor targetType) {
return targetType.getAnnotation(annotationType) != null;
}
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
AnnotationConverterKey converterKey = new AnnotationConverterKey(targetType.getAnnotation(annotationType), targetType.getObjectType());
GenericConverter converter = cachedParsers.get(converterKey);
if (converter == null) {
Parser<?> parser = annotationFormatterFactory.getParser(converterKey.getAnnotation(), converterKey.getFieldType());
converter = new ParserConverter(fieldType, parser, FormattingConversionService.this);
cachedParsers.put(converterKey, converter);
}
return converter.convert(source, sourceType, targetType);
}
public String toString() {
return String.class.getName() + " -> @" + annotationType.getName() + " " + fieldType.getName() + ": " + annotationFormatterFactory;
}
}
private static final class AnnotationConverterKey {
private final Annotation annotation;
private final Class<?> fieldType;
public AnnotationConverterKey(Annotation annotation, Class<?> fieldType) {
this.annotation = annotation;
this.fieldType = fieldType;
}
public Annotation getAnnotation() {
return annotation;
}
public Class<?> getFieldType() {
return fieldType;
}
public boolean equals(Object o) {
if (!(o instanceof AnnotationConverterKey)) {
return false;
}
AnnotationConverterKey key = (AnnotationConverterKey) o;
return this.annotation.equals(key.annotation) && this.fieldType.equals(key.fieldType);
}
public int hashCode() {
return this.annotation.hashCode() + 29 * this.fieldType.hashCode();
}
}
}

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