SPR-5628 Add HttpPutFormContentFilter in order to make form encoded data available via ServletRequest.getParameter*()
This commit is contained in:
Rossen Stoyanchev
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/*
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* Copyright 2002-2011 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.mock.web;
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import javax.servlet.FilterChain;
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import javax.servlet.ServletRequest;
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import javax.servlet.ServletResponse;
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import org.springframework.util.Assert;
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/**
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* Mock implementation of the {@link javax.servlet.FilterConfig} interface.
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*
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* <p>Used for testing the web framework; also useful for testing
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* custom {@link javax.servlet.Filter} implementations.
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*
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* @author Juergen Hoeller
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* @since 2.0.3
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* @see MockFilterConfig
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* @see PassThroughFilterChain
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*/
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public class MockFilterChain implements FilterChain {
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private ServletRequest request;
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private ServletResponse response;
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/**
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* Records the request and response.
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*/
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public void doFilter(ServletRequest request, ServletResponse response) {
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Assert.notNull(request, "Request must not be null");
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Assert.notNull(response, "Response must not be null");
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if (this.request != null) {
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throw new IllegalStateException("This FilterChain has already been called!");
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}
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this.request = request;
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this.response = response;
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}
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/**
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* Return the request that {@link #doFilter} has been called with.
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*/
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public ServletRequest getRequest() {
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return this.request;
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}
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/**
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* Return the response that {@link #doFilter} has been called with.
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*/
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public ServletResponse getResponse() {
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return this.response;
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}
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}
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@@ -0,0 +1,178 @@
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/*
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* Copyright 2002-2011 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.web.filter;
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import static org.junit.Assert.assertArrayEquals;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertNull;
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import static org.junit.Assert.assertSame;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.List;
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import java.util.Map;
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import org.junit.Before;
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import org.junit.Test;
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import org.springframework.mock.web.MockFilterChain;
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import org.springframework.mock.web.MockHttpServletRequest;
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import org.springframework.mock.web.MockHttpServletResponse;
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/**
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* Test fixture for {@link HttpPutFormContentFilter}.
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*
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* @author Rossen Stoyanchev
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*/
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public class HttpPutFormContentFilterTests {
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private HttpPutFormContentFilter filter;
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private MockHttpServletRequest request;
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private MockHttpServletResponse response;
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private MockFilterChain filterChain;
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@Before
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public void setup() {
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filter = new HttpPutFormContentFilter();
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request = new MockHttpServletRequest("PUT", "/");
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request.addHeader("Content-Type", "application/x-www-form-urlencoded; charset=ISO-8859-1");
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request.setContentType("application/x-www-form-urlencoded");
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response = new MockHttpServletResponse();
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filterChain = new MockFilterChain();
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}
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@Test
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public void wrapPutOnly() throws Exception {
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request.setContent("".getBytes("ISO-8859-1"));
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String[] methods = new String[] {"GET", "POST", "DELETE", "HEAD", "OPTIONS", "TRACE"};
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for (String method : methods) {
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request.setMethod(method);
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filterChain = new MockFilterChain();
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filter.doFilter(request, response, filterChain);
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assertSame("Should not wrap for HTTP method " + method, request, filterChain.getRequest());
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}
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}
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@Test
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public void wrapFormEncodedOnly() throws Exception {
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request.setContent("".getBytes("ISO-8859-1"));
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String[] contentTypes = new String[] {"text/plain", "multipart/form-data"};
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for (String contentType : contentTypes) {
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request.setContentType(contentType);
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filterChain = new MockFilterChain();
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filter.doFilter(request, response, filterChain);
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assertSame("Should not wrap for content type " + contentType, request, filterChain.getRequest());
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}
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}
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@Test
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public void getParameter() throws Exception {
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request.setContent("name=value".getBytes("ISO-8859-1"));
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filter.doFilter(request, response, filterChain);
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assertEquals("value", filterChain.getRequest().getParameter("name"));
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}
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@Test
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public void queryStringParam() throws Exception {
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request.addParameter("name", "value1");
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request.setContent("name=value2".getBytes("ISO-8859-1"));
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filter.doFilter(request, response, filterChain);
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assertEquals("Query string parameters should be listed ahead of form parameters",
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"value1", filterChain.getRequest().getParameter("name"));
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}
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@Test
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public void nullParameter() throws Exception {
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request.setContent("name=value".getBytes("ISO-8859-1"));
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filter.doFilter(request, response, filterChain);
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assertNull(filterChain.getRequest().getParameter("noSuchParam"));
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}
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@Test
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public void getParameterNames() throws Exception {
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request.addParameter("name1", "value1");
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request.addParameter("name2", "value2");
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request.setContent("name1=value1&name3=value3&name4=value4".getBytes("ISO-8859-1"));
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filter.doFilter(request, response, filterChain);
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List<String> names = Collections.list(filterChain.getRequest().getParameterNames());
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assertEquals(Arrays.asList("name1", "name2", "name3", "name4"), names);
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}
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@Test
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public void getParameterValues() throws Exception {
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request.addParameter("name", "value1");
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request.addParameter("name", "value2");
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request.setContent("name=value3&name=value4".getBytes("ISO-8859-1"));
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filter.doFilter(request, response, filterChain);
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String[] values = filterChain.getRequest().getParameterValues("name");
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assertArrayEquals(new String[]{"value1", "value2", "value3", "value4"}, values);
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}
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@Test
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public void getQueryStringParameterValuesOnly() throws Exception {
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request.addParameter("name", "value1");
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request.addParameter("name", "value2");
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request.setContent("anotherName=anotherValue".getBytes("ISO-8859-1"));
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filter.doFilter(request, response, filterChain);
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String[] values = filterChain.getRequest().getParameterValues("name");
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assertArrayEquals(new String[]{"value1", "value2"}, values);
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}
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@Test
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public void getFormParameterValuesOnly() throws Exception {
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request.addParameter("name", "value1");
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request.addParameter("name", "value2");
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request.setContent("anotherName=anotherValue".getBytes("ISO-8859-1"));
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filter.doFilter(request, response, filterChain);
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String[] values = filterChain.getRequest().getParameterValues("anotherName");
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assertArrayEquals(new String[]{"anotherValue"}, values);
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}
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@Test
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public void noParameterValuesOnly() throws Exception {
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request.addParameter("name", "value1");
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request.addParameter("name", "value2");
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request.setContent("anotherName=anotherValue".getBytes("ISO-8859-1"));
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filter.doFilter(request, response, filterChain);
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String[] values = filterChain.getRequest().getParameterValues("noSuchParameter");
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assertNull(values);
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}
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@Test
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public void getParameterMap() throws Exception {
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request.addParameter("name", "value1");
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request.addParameter("name", "value2");
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request.setContent("name=value3&name4=value4".getBytes("ISO-8859-1"));
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filter.doFilter(request, response, filterChain);
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Map<String, String[]> parameters = filterChain.getRequest().getParameterMap();
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assertEquals(2, parameters.size());
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assertArrayEquals(new String[] {"value1", "value2", "value3"}, parameters.get("name"));
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assertArrayEquals(new String[] {"value4"}, parameters.get("name4"));
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}
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}
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