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add forName(String,ClassLoader) and cast(Object)

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This commit is contained in:
Volker Berlin 2022-04-16 17:27:02 +02:00
parent 9c7b69b2a7
commit 0dfb7c4a34
1 changed files with 24 additions and 0 deletions
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24
src/de/inetsoftware/jwebassembly/module/nativecode/ReplacementForClass.java
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@ -191,6 +191,17 @@ class ReplacementForClass<T> {
throw new ClassNotFoundException( className ); // TODO
}
/**
* Replacement of the Java method forName(String)
*
* @param name
* the fully qualified name of the desired class.
* @return the {@code Class} object for the class with the specified name.
*/
public static Class<?> forName(String name, boolean initialize, ClassLoader loader) throws ClassNotFoundException {
return forName( name );
}
/**
* Replacement of the Java method newInstance()
*
@ -470,4 +481,17 @@ class ReplacementForClass<T> {
*/
@WasmTextCode( "unreachable" ) // TODO
native Map<String, T> enumConstantDirectory();
/**
* Replacement of the Java method cast(Object)
*
* @param obj the object to be cast
* @return the object after casting, or null if obj is null
*/
@SuppressWarnings("unchecked")
public T cast(Object obj) {
if (obj != null && !isInstance(obj))
throw new ClassCastException("Cannot cast " + obj.getClass().getName() + " to " + getName());
return (T) obj;
}
}