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A Spring MVC plugin for creating dynamic MapServer maps with freemarker templates

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package uk.ac.ceh.dynamo.arguments;

import java.util.Collections;
import java.util.Set;
import org.springframework.core.MethodParameter;
import org.springframework.web.bind.annotation.RequestParam;

/**
 * An instance of a QueryParameterResolver which will process @RequestParam
 * annotations to obtain their query param value
 * @see RequestParam
 * @author Christopher Johnson
 */
public class RequestParamResolver implements QueryParameterResolver {

    @Override
    public boolean supportsParameter(MethodParameter methodParameter) {
        return methodParameter.hasParameterAnnotation(RequestParam.class);
    }

    @Override
    public Set getUtilisedQueryParameters(MethodParameter methodParameter) {
        return Collections.singleton(methodParameter
                .getParameterAnnotation(RequestParam.class).value());
    }

}