jadex.transformation.jsonserializer.processors.AbstractJsonProcessor Maven / Gradle / Ivy

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package jadex.transformation.jsonserializer.processors;

import java.lang.reflect.Type;
import java.util.List;

import jadex.common.transformation.IStringConverter;
import jadex.common.transformation.traverser.ITraverseProcessor;
import jadex.common.transformation.traverser.Traverser;
import jadex.common.transformation.traverser.Traverser.MODE;

/**
 * 
 */
public abstract class AbstractJsonProcessor implements ITraverseProcessor
{
	/**
	 *  Test if the processor is applicable for reading.
	 *  @param object The object.
	 *  @param targetcl	If not null, the traverser should make sure that the result object is compatible with the class loader,
	 *    e.g. by cloning the object using the class loaded from the target class loader.
	 *  @return True, if is applicable. 
	 */
	protected abstract boolean isApplicable(Object object, Type type, ClassLoader targetcl, JsonReadContext context);
	
	/**
	 *  Test if the processor is applicable for writing.
	 *  @param object The object.
	 *  @param targetcl	If not null, the traverser should make sure that the result object is compatible with the class loader,
	 *    e.g. by cloning the object using the class loaded from the target class loader.
	 *  @return True, if is applicable. 
	 */
	protected abstract boolean isApplicable(Object object, Type type, ClassLoader targetcl, JsonWriteContext context);
	
	/**
	 *  Read an object.
	 *  @param object The object.
	 *  @param targetcl	If not null, the traverser should make sure that the result object is compatible with the class loader,
	 *    e.g. by cloning the object using the class loaded from the target class loader.
	 *  @return The processed object.
	 */
	protected abstract Object readObject(Object object, Type type, Traverser traverser, List conversionprocessors, List processors, IStringConverter converter, MODE mode, ClassLoader targetcl, JsonReadContext context);
	
	/**
	 *  Write an object.
	 *  @param object The object.
	 *  @param targetcl	If not null, the traverser should make sure that the result object is compatible with the class loader,
	 *    e.g. by cloning the object using the class loaded from the target class loader.
	 *  @return The processed object.
	 */
	protected abstract Object writeObject(Object object, Type type, Traverser traverser, List conversionprocessors, List processors, IStringConverter converter, MODE mode, ClassLoader targetcl, JsonWriteContext context);
	
	/**
	 *  Test if the processor is applicable.
	 *  @param object The object.
	 *  @param targetcl	If not null, the traverser should make sure that the result object is compatible with the class loader,
	 *    e.g. by cloning the object using the class loaded from the target class loader.
	 *  @return True, if is applicable. 
	 */
	public final boolean isApplicable(Object object, Type type, ClassLoader targetcl, Object context)
	{
		if (context instanceof JsonReadContext)
			return isApplicable(object, type, targetcl, (JsonReadContext) context);
		else
			return isApplicable(object, type, targetcl, (JsonWriteContext) context);
	}
	
	/**
	 *  Process an object.
	 *  @param object The object.
	 *  @param targetcl	If not null, the traverser should make sure that the result object is compatible with the class loader,
	 *    e.g. by cloning the object using the class loaded from the target class loader.
	 *  @return The processed object.
	 */
	public final Object process(Object object, Type type, Traverser traverser, List conversionprocessors, List processors, IStringConverter converter, MODE mode, ClassLoader targetcl, Object context)
	{
		if (context instanceof JsonReadContext)
			return readObject(object, type, traverser, conversionprocessors, processors, converter, mode, targetcl, (JsonReadContext) context);
		else
			return writeObject(object, type, traverser, conversionprocessors, processors, converter, mode, targetcl, (JsonWriteContext) context);
	}
}