juneau-rest/juneau-rest-server/src/main/java/org/apache/juneau/rest/RestMethodContextBuilder.java

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// * to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance            *
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// *  http://www.apache.org/licenses/LICENSE-2.0                                                                             *
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package org.apache.juneau.rest;

import org.apache.juneau.*;
import org.apache.juneau.reflect.*;
import org.apache.juneau.rest.annotation.*;
import org.apache.juneau.svl.*;

/**
 * Builder class for {@link RestMethodContext} objects.
 */
@SuppressWarnings("deprecation")
public class RestMethodContextBuilder extends BeanContextBuilder {

	RestContext context;
	java.lang.reflect.Method method;

	RestMethodProperties properties;

	RestMethodContextBuilder(Object servlet, java.lang.reflect.Method method, RestContext context) throws RestServletException {
		this.context = context;
		this.method = method;

		String sig = method.getDeclaringClass().getName() + '.' + method.getName();
		MethodInfo mi = MethodInfo.of(servlet.getClass(), method, method);

		try {

			RestMethod m = mi.getAnnotation(RestMethod.class);
			if (m == null)
				throw new RestServletException("@RestMethod annotation not found on method ''{0}''", sig);

			VarResolver vr = context.getVarResolver();
			VarResolverSession vrs = vr.createSession();

			applyAnnotations(mi.getAnnotationListParentFirst(ConfigAnnotationFilter.INSTANCE), vrs);

			properties = new RestMethodProperties(context.getProperties());

			if (m.properties().length > 0 || m.flags().length > 0) {
				properties = new RestMethodProperties(properties);
				for (Property p1 : m.properties())
					properties.put(p1.name(), p1.value());
				for (String p1 : m.flags())
					properties.put(p1, true);
			}

		} catch (RestServletException e) {
			throw e;
		} catch (Exception e) {
			throw new RestServletException("Exception occurred while initializing method ''{0}''", sig).initCause(e);
		}
	}
}