Example usage for org.springframework.web.multipart.support MultipartFilter doFilter

Introduction

In this page you can find the example usage for org.springframework.web.multipart.support MultipartFilter doFilter.

Prototype

@Override
public final void doFilter(ServletRequest request, ServletResponse response, FilterChain filterChain)
        throws ServletException, IOException 

Source Link

Document

This doFilter implementation stores a request attribute for "already filtered", proceeding without filtering again if the attribute is already there.

Usage

From source file:org.springframework.web.multipart.commons.CommonsMultipartResolverTests.java

@Test
public void withServletContextAndFilter() throws Exception {
    StaticWebApplicationContext wac = new StaticWebApplicationContext();
    wac.setServletContext(new MockServletContext());
    wac.registerSingleton("filterMultipartResolver", MockCommonsMultipartResolver.class,
            new MutablePropertyValues());
    wac.getServletContext().setAttribute(WebUtils.TEMP_DIR_CONTEXT_ATTRIBUTE, new File("mytemp"));
    wac.refresh();//from   w w  w .  j  a v a2s .c o  m
    wac.getServletContext().setAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, wac);
    CommonsMultipartResolver resolver = new CommonsMultipartResolver(wac.getServletContext());
    assertTrue(resolver.getFileItemFactory().getRepository().getAbsolutePath().endsWith("mytemp"));

    MockFilterConfig filterConfig = new MockFilterConfig(wac.getServletContext(), "filter");
    filterConfig.addInitParameter("class", "notWritable");
    filterConfig.addInitParameter("unknownParam", "someValue");
    final MultipartFilter filter = new MultipartFilter();
    filter.init(filterConfig);

    final List<MultipartFile> files = new ArrayList<>();
    final FilterChain filterChain = new FilterChain() {
        @Override
        public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse) {
            MultipartHttpServletRequest request = (MultipartHttpServletRequest) servletRequest;
            files.addAll(request.getFileMap().values());
        }
    };

    FilterChain filterChain2 = new PassThroughFilterChain(filter, filterChain);

    MockHttpServletRequest originalRequest = new MockHttpServletRequest();
    MockHttpServletResponse response = new MockHttpServletResponse();
    originalRequest.setMethod("POST");
    originalRequest.setContentType("multipart/form-data");
    originalRequest.addHeader("Content-type", "multipart/form-data");
    filter.doFilter(originalRequest, response, filterChain2);

    CommonsMultipartFile file1 = (CommonsMultipartFile) files.get(0);
    CommonsMultipartFile file2 = (CommonsMultipartFile) files.get(1);
    assertTrue(((MockFileItem) file1.getFileItem()).deleted);
    assertTrue(((MockFileItem) file2.getFileItem()).deleted);
}

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From source file:org.springframework.web.multipart.commons.CommonsMultipartResolverTests.java

@Test
public void withServletContextAndFilterWithCustomBeanName() throws Exception {
    StaticWebApplicationContext wac = new StaticWebApplicationContext();
    wac.setServletContext(new MockServletContext());
    wac.refresh();/*  w  w  w.j  ava 2  s.co m*/
    wac.registerSingleton("myMultipartResolver", MockCommonsMultipartResolver.class,
            new MutablePropertyValues());
    wac.getServletContext().setAttribute(WebUtils.TEMP_DIR_CONTEXT_ATTRIBUTE, new File("mytemp"));
    wac.getServletContext().setAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, wac);
    CommonsMultipartResolver resolver = new CommonsMultipartResolver(wac.getServletContext());
    assertTrue(resolver.getFileItemFactory().getRepository().getAbsolutePath().endsWith("mytemp"));

    MockFilterConfig filterConfig = new MockFilterConfig(wac.getServletContext(), "filter");
    filterConfig.addInitParameter("multipartResolverBeanName", "myMultipartResolver");

    final List<MultipartFile> files = new ArrayList<>();
    FilterChain filterChain = new FilterChain() {
        @Override
        public void doFilter(ServletRequest originalRequest, ServletResponse response) {
            if (originalRequest instanceof MultipartHttpServletRequest) {
                MultipartHttpServletRequest request = (MultipartHttpServletRequest) originalRequest;
                files.addAll(request.getFileMap().values());
            }
        }
    };

    MultipartFilter filter = new MultipartFilter() {
        private boolean invoked = false;

        @Override
        protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response,
                FilterChain filterChain) throws ServletException, IOException {
            super.doFilterInternal(request, response, filterChain);
            super.doFilterInternal(request, response, filterChain);
            if (invoked) {
                throw new ServletException("Should not have been invoked twice");
            }
            invoked = true;
        }
    };
    filter.init(filterConfig);

    MockHttpServletRequest originalRequest = new MockHttpServletRequest();
    originalRequest.setMethod("POST");
    originalRequest.setContentType("multipart/form-data");
    originalRequest.addHeader("Content-type", "multipart/form-data");
    HttpServletResponse response = new MockHttpServletResponse();
    filter.doFilter(originalRequest, response, filterChain);
    CommonsMultipartFile file1 = (CommonsMultipartFile) files.get(0);
    CommonsMultipartFile file2 = (CommonsMultipartFile) files.get(1);
    assertTrue(((MockFileItem) file1.getFileItem()).deleted);
    assertTrue(((MockFileItem) file2.getFileItem()).deleted);
}

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