com.fasterxml.jackson.databind.ext.Java7Support Maven / Gradle / Ivy
package com.fasterxml.jackson.databind.ext;
import com.fasterxml.jackson.databind.PropertyName;
import com.fasterxml.jackson.databind.introspect.Annotated;
import com.fasterxml.jackson.databind.introspect.AnnotatedParameter;
import com.fasterxml.jackson.databind.util.ClassUtil;
/**
* To support Java7-incomplete platforms, we will offer support for JDK 7
* annotations through this class, loaded dynamically; if loading fails,
* support will be missing. This class is the non-JDK-7-dependent API,
* and {@link Java7SupportImpl} is JDK7-dependent implementation of
* functionality.
*/
public abstract class Java7Support
{
private final static Java7Support IMPL;
static {
Java7Support impl = null;
try {
Class cls = Class.forName("com.fasterxml.jackson.databind.ext.Java7SupportImpl");
impl = (Java7Support) ClassUtil.createInstance(cls, false);
} catch (Throwable t) {
// 09-Sep-2019, tatu: Used to log earlier, but with 2.10.0 let's not log
// java.util.logging.Logger.getLogger(Java7Support.class.getName())
// .warning("Unable to load JDK7 annotations (@ConstructorProperties, @Transient): no Java7 annotation support added");
}
IMPL = impl;
}
public static Java7Support instance() {
return IMPL;
}
public abstract Boolean findTransient(Annotated a);
public abstract Boolean hasCreatorAnnotation(Annotated a);
public abstract PropertyName findConstructorName(AnnotatedParameter p);
}