org.impalaframework.extension.mvc.annotation.collector.CustomResolverArgumentCollector.java Source code

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Here is the source code for org.impalaframework.extension.mvc.annotation.collector.CustomResolverArgumentCollector.java

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/*
 * Copyright 2009-2010 the original author or authors.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */

package org.impalaframework.extension.mvc.annotation.collector;

import org.springframework.beans.TypeConverter;
import org.springframework.core.MethodParameter;
import org.springframework.ui.ExtendedModelMap;
import org.springframework.web.bind.support.WebArgumentResolver;
import org.springframework.web.context.request.NativeWebRequest;

/**
 * {@link ArgumentCollector} which wraps custom {@link WebArgumentResolver} instance, for custom
 * resolvers.
 * @author Phil Zoio
 */
public class CustomResolverArgumentCollector implements ArgumentCollector {

    private WebArgumentResolver customResolver;

    private MethodParameter methodParameter;

    public CustomResolverArgumentCollector(WebArgumentResolver customResolver, MethodParameter methodParameter) {
        super();
        this.customResolver = customResolver;
        this.methodParameter = methodParameter;
    }

    public Object getArgument(NativeWebRequest webRequest, ExtendedModelMap implicitModel,
            TypeConverter typeConverter) {
        try {
            return customResolver.resolveArgument(methodParameter, webRequest);
        } catch (RuntimeException e) {
            throw e;
        } catch (Exception e) {
            throw new RuntimeException(e.getMessage(), e);
        }
    }

}