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New method to return string representation of typeDescriptor 

git-svn-id: https://src.springframework.org/svn/spring-framework/trunk@943 50f2f4bb-b051-0410-bef5-90022cba6387
This commit is contained in:
Andy Clement 2009-04-08 04:47:54 +00:00
parent f383dc9fcf
commit 1d639f091c
1 changed files with 28 additions and 0 deletions
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28
org.springframework.core/src/main/java/org/springframework/core/convert/TypeDescriptor.java
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@ -25,6 +25,7 @@ import org.springframework.core.GenericCollectionTypeResolver;
import org.springframework.core.MethodParameter; import org.springframework.core.MethodParameter;
import org.springframework.util.Assert; import org.springframework.util.Assert;
// TODO doesn't support more than depth of one (eg. Map<String,List<Foo>> or List<String>[])
/** /**
* Type metadata about a bindable target value. * Type metadata about a bindable target value.
* *
@ -269,6 +270,33 @@ public class TypeDescriptor {
return valueOf(object.getClass()); return valueOf(object.getClass());
} }
} }
/**
* @return a textual representation of the type descriptor (eg. Map<String,Foo>) for use in messages
*/
public String asString() {
StringBuffer stringValue = new StringBuffer();
if (isArray()) {
// TODO should properly handle multi dimensional arrays
stringValue.append(getArrayComponentType().getName()).append("[]");
} else {
stringValue.append(getType().getName());
if (isCollection()) {
Class<?> collectionType = getCollectionElementType();
if (collectionType!=null) {
stringValue.append("<").append(collectionType.getName()).append(">");
}
} else if (isMap()) {
Class<?> keyType = getMapKeyType();
Class<?> valType = getMapValueType();
if (keyType!=null && valType!=null) {
stringValue.append("<").append(keyType.getName()).append(",");
stringValue.append(valType).append(">");
}
}
}
return stringValue.toString();
}
// internal helpers // internal helpers