Example usage for org.springframework.web.multipart MultipartRequest getFiles

Introduction

In this page you can find the example usage for org.springframework.web.multipart MultipartRequest getFiles.

Prototype

List<MultipartFile> getFiles(String name);

Source Link

Document

Return the contents plus description of uploaded files in this request, or an empty list if it does not exist.

Usage

From source file:org.springframework.data.document.web.bind.annotation.support.HandlerMethodInvoker.java

@SuppressWarnings("unchecked")
private Object resolveRequestParam(String paramName, boolean required, String defaultValue,
        MethodParameter methodParam, NativeWebRequest webRequest, Object handlerForInitBinderCall)
        throws Exception {

    Class<?> paramType = methodParam.getParameterType();
    if (Map.class.isAssignableFrom(paramType) && paramName.length() == 0) {
        return resolveRequestParamMap((Class<? extends Map>) paramType, webRequest);
    }//from w  w  w.j  a v  a2 s . co  m
    if (paramName.length() == 0) {
        paramName = getRequiredParameterName(methodParam);
    }
    Object paramValue = null;
    MultipartRequest multipartRequest = webRequest.getNativeRequest(MultipartRequest.class);
    if (multipartRequest != null) {
        List<MultipartFile> files = multipartRequest.getFiles(paramName);
        if (!files.isEmpty()) {
            if (files.size() == 1 && !paramType.isArray() && !Collection.class.isAssignableFrom(paramType)) {
                paramValue = files.get(0);
            } else {
                paramValue = files;
            }
        }
    }
    if (paramValue == null) {
        String[] paramValues = webRequest.getParameterValues(paramName);
        if (paramValues != null) {
            if (paramValues.length == 1 && !paramType.isArray()
                    && !Collection.class.isAssignableFrom(paramType)) {
                paramValue = paramValues[0];
            } else {
                paramValue = paramValues;
            }
        }
    }
    if (paramValue == null) {
        if (defaultValue != null) {
            paramValue = resolveDefaultValue(defaultValue);
        } else if (required) {
            raiseMissingParameterException(paramName, paramType);
        }
        paramValue = checkValue(paramName, paramValue, paramType);
    }
    WebDataBinder binder = createBinder(webRequest, null, paramName);
    initBinder(handlerForInitBinderCall, paramName, binder, webRequest);
    return binder.convertIfNecessary(paramValue, paramType, methodParam);
}

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From source file:org.springframework.web.bind.annotation.support.HandlerMethodInvoker.java

@SuppressWarnings("unchecked")
private Object resolveRequestParam(String paramName, boolean required, String defaultValue,
        MethodParameter methodParam, NativeWebRequest webRequest, Object handlerForInitBinderCall)
        throws Exception {

    Class<?> paramType = methodParam.getParameterType();
    if (Map.class.isAssignableFrom(paramType) && paramName.length() == 0) {
        return resolveRequestParamMap((Class<? extends Map<?, ?>>) paramType, webRequest);
    }//from  w  w  w  . j  a  v  a  2  s  .co m
    if (paramName.length() == 0) {
        paramName = getRequiredParameterName(methodParam);
    }
    Object paramValue = null;
    MultipartRequest multipartRequest = webRequest.getNativeRequest(MultipartRequest.class);
    if (multipartRequest != null) {
        List<MultipartFile> files = multipartRequest.getFiles(paramName);
        if (!files.isEmpty()) {
            paramValue = (files.size() == 1 ? files.get(0) : files);
        }
    }
    if (paramValue == null) {
        String[] paramValues = webRequest.getParameterValues(paramName);
        if (paramValues != null) {
            paramValue = (paramValues.length == 1 ? paramValues[0] : paramValues);
        }
    }
    if (paramValue == null) {
        if (defaultValue != null) {
            paramValue = resolveDefaultValue(defaultValue);
        } else if (required) {
            raiseMissingParameterException(paramName, paramType);
        }
        paramValue = checkValue(paramName, paramValue, paramType);
    }
    WebDataBinder binder = createBinder(webRequest, null, paramName);
    initBinder(handlerForInitBinderCall, paramName, binder, webRequest);
    return binder.convertIfNecessary(paramValue, paramType, methodParam);
}

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