org.apache.juneau.rest.arg.RestSessionArgs Maven / Gradle / Ivy

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package org.apache.juneau.rest.arg;

import org.apache.juneau.reflect.*;
import org.apache.juneau.rest.*;
import org.apache.juneau.rest.annotation.*;
import org.apache.juneau.rest.util.*;
import org.apache.juneau.utils.*;

/**
 * Resolves method parameters on {@link RestOp}-annotated Java methods of types found on the {@link RestSession} object.
 *
 * 
 * 	{@link RestSession}
 * 	
{@link UrlPath}
 * 	
{@link UrlPathMatch}
 * 
 *
 * See Also:

 * 	Java Method Parameters
 * 
 */
public class RestSessionArgs extends SimpleRestOperationArg {

	/**
	 * Static creator.
	 *
	 * @param paramInfo The Java method parameter being resolved.
	 * @return A new arg, or null if the parameter type is not one of the supported types.
	 */
	public static RestSessionArgs create(ParamInfo paramInfo) {
		if (paramInfo.isType(RestSession.class))
			return new RestSessionArgs(x->x);
		if (paramInfo.isType(UrlPath.class))
			return new RestSessionArgs(RestSession::getUrlPath);
		if (paramInfo.isType(UrlPathMatch.class))
			return new RestSessionArgs(RestSession::getUrlPathMatch);
		return null;
	}

	/**
	 * Constructor.
	 *
	 * @param  The function return type.
	 * @param function The function for finding the arg.
	 */
	protected  RestSessionArgs(ThrowingFunction function) {
		super(session -> function.apply(session.getRestSession()));
	}
}