INT-1245, INT-1256 factored out common request-handling code to a base support class so that we can provide both MVC Controller and simple HttpRequestHandler implementations that rely on the common functionality in the base class
This commit is contained in:
Mark Fisher
@@ -0,0 +1,297 @@
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/*
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* Copyright 2002-2010 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.integration.http;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Map;
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import javax.servlet.http.HttpServletRequest;
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import org.springframework.beans.factory.BeanFactory;
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import org.springframework.beans.factory.NoSuchBeanDefinitionException;
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import org.springframework.http.HttpHeaders;
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import org.springframework.http.HttpMethod;
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import org.springframework.http.MediaType;
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import org.springframework.http.converter.ByteArrayHttpMessageConverter;
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import org.springframework.http.converter.HttpMessageConverter;
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import org.springframework.http.converter.ResourceHttpMessageConverter;
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import org.springframework.http.converter.StringHttpMessageConverter;
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import org.springframework.http.converter.json.MappingJacksonHttpMessageConverter;
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import org.springframework.http.converter.xml.Jaxb2RootElementHttpMessageConverter;
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import org.springframework.http.converter.xml.SourceHttpMessageConverter;
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import org.springframework.http.server.ServletServerHttpRequest;
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import org.springframework.integration.core.Message;
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import org.springframework.integration.core.MessagingException;
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import org.springframework.integration.gateway.AbstractMessagingGateway;
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import org.springframework.integration.message.HeaderMapper;
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import org.springframework.integration.message.MessageBuilder;
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import org.springframework.util.Assert;
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import org.springframework.util.ClassUtils;
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import org.springframework.util.LinkedMultiValueMap;
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import org.springframework.util.MultiValueMap;
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import org.springframework.web.multipart.MultipartHttpServletRequest;
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import org.springframework.web.multipart.MultipartResolver;
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import org.springframework.web.servlet.DispatcherServlet;
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/**
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* Base class for HTTP request handling endpoints.
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*
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* @author Mark Fisher
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* @since 2.0
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*/
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abstract class HttpRequestHandlingEndpointSupport extends AbstractMessagingGateway {
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private static final boolean jaxb2Present =
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ClassUtils.isPresent("javax.xml.bind.Binder", HttpRequestHandlingEndpointSupport.class.getClassLoader());
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private static final boolean jacksonPresent =
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ClassUtils.isPresent("org.codehaus.jackson.map.ObjectMapper", HttpRequestHandlingEndpointSupport.class.getClassLoader()) &&
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ClassUtils.isPresent("org.codehaus.jackson.JsonGenerator", HttpRequestHandlingEndpointSupport.class.getClassLoader());
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private static boolean romePresent =
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ClassUtils.isPresent("com.sun.syndication.feed.WireFeed", HttpRequestHandlingEndpointSupport.class.getClassLoader());
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private volatile Class<?> conversionTargetType = byte[].class;
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private volatile List<HttpMethod> supportedMethods = Arrays.asList(HttpMethod.GET, HttpMethod.POST);
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private volatile List<HttpMessageConverter<?>> messageConverters = new ArrayList<HttpMessageConverter<?>>();
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private volatile HeaderMapper<HttpHeaders> headerMapper = new DefaultHttpHeaderMapper();
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private final boolean expectReply;
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private volatile MultipartResolver multipartResolver;
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public HttpRequestHandlingEndpointSupport() {
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this(true);
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}
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@SuppressWarnings("unchecked")
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public HttpRequestHandlingEndpointSupport(boolean expectReply) {
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this.expectReply = expectReply;
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this.messageConverters.add(new MultipartAwareFormHttpMessageConverter());
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this.messageConverters.add(new SerializingHttpMessageConverter());
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this.messageConverters.add(new ByteArrayHttpMessageConverter());
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this.messageConverters.add(new StringHttpMessageConverter());
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this.messageConverters.add(new ResourceHttpMessageConverter());
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this.messageConverters.add(new SourceHttpMessageConverter());
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if (jaxb2Present) {
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this.messageConverters.add(new Jaxb2RootElementHttpMessageConverter());
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}
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if (jacksonPresent) {
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this.messageConverters.add(new MappingJacksonHttpMessageConverter());
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}
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if (romePresent) {
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// TODO add deps for:
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//this.messageConverters.add(new AtomFeedHttpMessageConverter());
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//this.messageConverters.add(new RssChannelHttpMessageConverter());
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}
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}
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/**
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* Set the message body converters to use. These converters are used to convert from and to HTTP requests and
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* responses.
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*/
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public void setMessageConverters(List<HttpMessageConverter<?>> messageConverters) {
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Assert.notEmpty(messageConverters, "'messageConverters' must not be empty");
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this.messageConverters = messageConverters;
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}
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protected List<HttpMessageConverter<?>> getMessageConverters() {
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return this.messageConverters;
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}
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/**
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* Set the {@link HeaderMapper} to use when mapping between HTTP headers and MessageHeaders.
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*/
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public void setHeaderMapper(HeaderMapper<HttpHeaders> headerMapper) {
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Assert.notNull(headerMapper, "headerMapper must not be null");
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this.headerMapper = headerMapper;
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}
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protected HeaderMapper<HttpHeaders> getHeaderMapper() {
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return this.headerMapper;
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}
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/**
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* Specify the supported request methods for this gateway.
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* By default, only GET and POST are supported.
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*/
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public void setSupportedMethods(HttpMethod... supportedMethods) {
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Assert.notEmpty(supportedMethods, "at least one supported method is required");
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this.supportedMethods = Arrays.asList(supportedMethods);
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}
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/**
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* Specify the type of payload to be generated when the inbound HTTP request content
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* is read by the {@link HttpMessageConverter}s. The default is <code>byte[].class</code>.
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*/
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public void setConversionTargetType(Class<?> conversionTargetType) {
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Assert.notNull(conversionTargetType, "conversionTargetType must not be null");
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this.conversionTargetType = conversionTargetType;
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}
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/**
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* Specify the {@link MultipartResolver} to use when checking requests.
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* If no resolver is provided, this mapper will not support multipart
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* requests.
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*/
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public void setMultipartResolver(MultipartResolver multipartResolver) {
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this.multipartResolver = multipartResolver;
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}
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@Override
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public String getComponentType() {
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return (this.expectReply) ? "http:inbound-gateway" : "http:inbound-channel-adapter";
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}
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/**
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* Locates the {@link MultipartResolver} bean based on the default name defined by
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* the {@link DispatcherServlet#MULTIPART_RESOLVER_BEAN_NAME} constant if available.
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*/
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@Override
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protected void onInit() throws Exception {
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super.onInit();
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BeanFactory beanFactory = this.getBeanFactory();
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if (this.multipartResolver == null && beanFactory != null) {
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try {
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MultipartResolver multipartResolver =
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this.getBeanFactory().getBean(DispatcherServlet.MULTIPART_RESOLVER_BEAN_NAME, MultipartResolver.class);
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if (logger.isDebugEnabled()) {
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logger.debug("Using MultipartResolver [" + multipartResolver + "]");
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}
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this.multipartResolver = multipartResolver;
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}
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catch (NoSuchBeanDefinitionException e) {
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if (logger.isDebugEnabled()) {
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logger.debug("Unable to locate MultipartResolver with name '" + DispatcherServlet.MULTIPART_RESOLVER_BEAN_NAME +
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"': no multipart request handling will be supported.");
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}
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}
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}
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}
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/**
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* Handles the HTTP request by generating a Message and sending it to the request channel.
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* If this gateway's 'expectReply' property is true, it will also generate a response from
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* the reply Message once received.
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*/
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protected final Object handleRequest(HttpServletRequest servletRequest) throws IOException {
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ServletServerHttpRequest request = this.prepareRequest(servletRequest);
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Assert.isTrue(this.supportedMethods.contains(request.getMethod()),
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"unsupported request method [" + request.getMethod() + "]");
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Object payload = null;
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if (this.isReadable(request)) {
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payload = this.generatePayloadFromRequestBody(request);
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}
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else {
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payload = this.convertParameterMap(servletRequest.getParameterMap());
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}
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Map<String, ?> headers = this.headerMapper.toHeaders(request.getHeaders());
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Message<?> message = MessageBuilder.withPayload(payload)
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.copyHeaders(headers)
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//.setHeader(HttpHeaders.REQUEST_URL, request.getURI().toString())
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//.setHeader(HttpHeaders.REQUEST_METHOD, request.getMethod().toString())
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//.setHeader(HttpHeaders.USER_PRINCIPAL, servletRequest.getUserPrincipal())
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.build();
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Object result = null;
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if (this.expectReply) {
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result = this.sendAndReceiveMessage(message);
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}
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else {
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this.send(message);
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}
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this.postProcessRequest(servletRequest);
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return result;
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}
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/**
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* Prepares an instance of {@link ServletServerHttpRequest} from the raw {@link HttpServletRequest}.
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* Also converts the request into a multipart request to make multiparts available if necessary.
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* If no multipart resolver is set, simply returns the existing request.
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* @param request current HTTP request
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* @return the processed request (multipart wrapper if necessary)
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* @see MultipartResolver#resolveMultipart
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*/
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private ServletServerHttpRequest prepareRequest(HttpServletRequest servletRequest) {
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if (servletRequest instanceof MultipartHttpServletRequest) {
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return new MultipartHttpInputMessage((MultipartHttpServletRequest) servletRequest);
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}
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if (this.multipartResolver != null && this.multipartResolver.isMultipart(servletRequest)) {
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return new MultipartHttpInputMessage(this.multipartResolver.resolveMultipart(servletRequest));
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}
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return new ServletServerHttpRequest(servletRequest);
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}
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/**
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* Checks if the request has a readable body (not a GET, HEAD, or OPTIONS request)
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* and a Content-Type header.
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*/
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private boolean isReadable(ServletServerHttpRequest request) {
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HttpMethod method = request.getMethod();
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if (HttpMethod.GET.equals(method) || HttpMethod.HEAD.equals(method) || HttpMethod.OPTIONS.equals(method)) {
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return false;
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}
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return request.getHeaders().getContentType() != null;
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}
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/**
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* Clean up any resources used by the given multipart request (if any).
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* @param request current HTTP request
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* @see MultipartResolver#cleanupMultipart
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*/
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private void postProcessRequest(HttpServletRequest request) {
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if (this.multipartResolver != null && request instanceof MultipartHttpServletRequest) {
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this.multipartResolver.cleanupMultipart((MultipartHttpServletRequest) request);
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}
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}
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/**
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* Converts a servlet request's parameterMap to a {@link MultiValueMap}.
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*/
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@SuppressWarnings("unchecked")
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private LinkedMultiValueMap<String, String> convertParameterMap(Map parameterMap) {
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LinkedMultiValueMap<String, String> convertedMap = new LinkedMultiValueMap<String, String>();
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for (Object key : parameterMap.keySet()) {
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String[] values = (String[]) parameterMap.get(key);
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for (String value : values) {
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convertedMap.add((String) key, value);
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}
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}
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return convertedMap;
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}
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@SuppressWarnings("unchecked")
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private Object generatePayloadFromRequestBody(ServletServerHttpRequest request) throws IOException {
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MediaType contentType = request.getHeaders().getContentType();
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for (HttpMessageConverter<?> converter : this.messageConverters) {
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if (converter.canRead(this.conversionTargetType, contentType)) {
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return converter.read((Class) this.conversionTargetType, request);
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}
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}
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throw new MessagingException("Could not convert request: no suitable HttpMessageConverter found for expected type [" +
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this.conversionTargetType.getName() + "] and content type [" + contentType + "]");
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}
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}
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@@ -17,42 +17,20 @@
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package org.springframework.integration.http;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Map;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import org.springframework.beans.factory.BeanFactory;
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import org.springframework.beans.factory.NoSuchBeanDefinitionException;
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import org.springframework.http.HttpHeaders;
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import org.springframework.http.HttpMethod;
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import org.springframework.http.MediaType;
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import org.springframework.http.converter.ByteArrayHttpMessageConverter;
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import org.springframework.http.converter.HttpMessageConverter;
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import org.springframework.http.converter.ResourceHttpMessageConverter;
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import org.springframework.http.converter.StringHttpMessageConverter;
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import org.springframework.http.converter.json.MappingJacksonHttpMessageConverter;
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import org.springframework.http.converter.xml.Jaxb2RootElementHttpMessageConverter;
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import org.springframework.http.converter.xml.SourceHttpMessageConverter;
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import org.springframework.http.server.ServletServerHttpRequest;
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import org.springframework.http.server.ServletServerHttpResponse;
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import org.springframework.integration.core.Message;
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import org.springframework.integration.core.MessagingException;
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import org.springframework.integration.gateway.AbstractMessagingGateway;
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import org.springframework.integration.message.HeaderMapper;
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import org.springframework.integration.message.MessageBuilder;
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import org.springframework.util.Assert;
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import org.springframework.util.ClassUtils;
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import org.springframework.util.LinkedMultiValueMap;
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import org.springframework.util.MultiValueMap;
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import org.springframework.web.HttpRequestHandler;
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import org.springframework.web.multipart.MultipartHttpServletRequest;
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import org.springframework.web.multipart.MultipartResolver;
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import org.springframework.web.servlet.DispatcherServlet;
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/**
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* Inbound Messaging Gateway that handles HTTP Requests. May be configured as a bean in the
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@@ -79,132 +57,28 @@ import org.springframework.web.servlet.DispatcherServlet;
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* @author Mark Fisher
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* @since 2.0
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*/
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public class HttpRequestHandlingMessagingGateway extends AbstractMessagingGateway implements HttpRequestHandler {
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public class HttpRequestHandlingMessagingGateway extends HttpRequestHandlingEndpointSupport implements HttpRequestHandler {
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private static final boolean jaxb2Present =
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ClassUtils.isPresent("javax.xml.bind.Binder", HttpRequestHandlingMessagingGateway.class.getClassLoader());
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private static final boolean jacksonPresent =
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ClassUtils.isPresent("org.codehaus.jackson.map.ObjectMapper", HttpRequestHandlingMessagingGateway.class.getClassLoader()) &&
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ClassUtils.isPresent("org.codehaus.jackson.JsonGenerator", HttpRequestHandlingMessagingGateway.class.getClassLoader());
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private static boolean romePresent =
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ClassUtils.isPresent("com.sun.syndication.feed.WireFeed", HttpRequestHandlingMessagingGateway.class.getClassLoader());
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private volatile Class<?> conversionTargetType = byte[].class;
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private volatile List<HttpMethod> supportedMethods = Arrays.asList(HttpMethod.GET, HttpMethod.POST);
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private volatile List<HttpMessageConverter<?>> messageConverters = new ArrayList<HttpMessageConverter<?>>();
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private volatile HeaderMapper<HttpHeaders> headerMapper = new DefaultHttpHeaderMapper();
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private final boolean expectReply;
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private volatile MultipartResolver multipartResolver;
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private volatile boolean extractReplyPayload = true;
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public HttpRequestHandlingMessagingGateway() {
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this(true);
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}
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@SuppressWarnings("unchecked")
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public HttpRequestHandlingMessagingGateway(boolean expectReply) {
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this.expectReply = expectReply;
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this.messageConverters.add(new MultipartAwareFormHttpMessageConverter());
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this.messageConverters.add(new SerializingHttpMessageConverter());
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this.messageConverters.add(new ByteArrayHttpMessageConverter());
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this.messageConverters.add(new StringHttpMessageConverter());
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this.messageConverters.add(new ResourceHttpMessageConverter());
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this.messageConverters.add(new SourceHttpMessageConverter());
|
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if (jaxb2Present) {
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this.messageConverters.add(new Jaxb2RootElementHttpMessageConverter());
|
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}
|
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if (jacksonPresent) {
|
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this.messageConverters.add(new MappingJacksonHttpMessageConverter());
|
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}
|
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if (romePresent) {
|
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// TODO add deps for:
|
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//this.messageConverters.add(new AtomFeedHttpMessageConverter());
|
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//this.messageConverters.add(new RssChannelHttpMessageConverter());
|
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}
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super(expectReply);
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}
|
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|
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/**
|
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* Set the message body converters to use. These converters are used to convert from and to HTTP requests and
|
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* responses.
|
||||
* Specify whether the reply Message's payload should be passed in
|
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* the response. If this is set to 'false', the entire Message will
|
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* be processed by the {@link HttpMessageConverter}s. Otherwise, the
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* reply Message payload will be processed. The default is 'true'.
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*/
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public void setMessageConverters(List<HttpMessageConverter<?>> messageConverters) {
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Assert.notEmpty(messageConverters, "'messageConverters' must not be empty");
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this.messageConverters = messageConverters;
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}
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|
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/**
|
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* Set the {@link HeaderMapper} to use when mapping between HTTP headers and MessageHeaders.
|
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*/
|
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public void setHeaderMapper(HeaderMapper<HttpHeaders> headerMapper) {
|
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Assert.notNull(headerMapper, "headerMapper must not be null");
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this.headerMapper = headerMapper;
|
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}
|
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|
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/**
|
||||
* Specify the supported request methods for this gateway.
|
||||
* By default, only GET and POST are supported.
|
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*/
|
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public void setSupportedMethods(HttpMethod... supportedMethods) {
|
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Assert.notEmpty(supportedMethods, "at least one supported method is required");
|
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this.supportedMethods = Arrays.asList(supportedMethods);
|
||||
}
|
||||
|
||||
/**
|
||||
* Specify the type of payload to be generated when the inbound HTTP request content
|
||||
* is read by the {@link HttpMessageConverter}s. The default is <code>byte[].class</code>.
|
||||
*/
|
||||
public void setConversionTargetType(Class<?> conversionTargetType) {
|
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Assert.notNull(conversionTargetType, "conversionTargetType must not be null");
|
||||
this.conversionTargetType = conversionTargetType;
|
||||
}
|
||||
|
||||
/**
|
||||
* Specify the {@link MultipartResolver} to use when checking requests.
|
||||
* If no resolver is provided, this mapper will not support multipart
|
||||
* requests.
|
||||
*/
|
||||
public void setMultipartResolver(MultipartResolver multipartResolver) {
|
||||
this.multipartResolver = multipartResolver;
|
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}
|
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|
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@Override
|
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public String getComponentType() {
|
||||
return (this.expectReply) ? "http:inbound-gateway" : "http:inbound-channel-adapter";
|
||||
}
|
||||
|
||||
/**
|
||||
* Locates the {@link MultipartResolver} bean based on the default name defined by
|
||||
* the {@link DispatcherServlet#MULTIPART_RESOLVER_BEAN_NAME} constant if available.
|
||||
*/
|
||||
@Override
|
||||
protected void onInit() throws Exception {
|
||||
super.onInit();
|
||||
BeanFactory beanFactory = this.getBeanFactory();
|
||||
if (this.multipartResolver == null && beanFactory != null) {
|
||||
try {
|
||||
MultipartResolver multipartResolver =
|
||||
this.getBeanFactory().getBean(DispatcherServlet.MULTIPART_RESOLVER_BEAN_NAME, MultipartResolver.class);
|
||||
if (logger.isDebugEnabled()) {
|
||||
logger.debug("Using MultipartResolver [" + multipartResolver + "]");
|
||||
}
|
||||
this.multipartResolver = multipartResolver;
|
||||
}
|
||||
catch (NoSuchBeanDefinitionException e) {
|
||||
if (logger.isDebugEnabled()) {
|
||||
logger.debug("Unable to locate MultipartResolver with name '" + DispatcherServlet.MULTIPART_RESOLVER_BEAN_NAME +
|
||||
"': no multipart request handling will be supported.");
|
||||
}
|
||||
}
|
||||
}
|
||||
public void setExtractReplyPayload(boolean extractReplyPayload) {
|
||||
this.extractReplyPayload = extractReplyPayload;
|
||||
}
|
||||
|
||||
/**
|
||||
@@ -213,119 +87,32 @@ public class HttpRequestHandlingMessagingGateway extends AbstractMessagingGatewa
|
||||
* the reply Message once received.
|
||||
*/
|
||||
public final void handleRequest(HttpServletRequest servletRequest, HttpServletResponse servletResponse) throws ServletException, IOException {
|
||||
ServletServerHttpRequest request = this.prepareRequest(servletRequest);
|
||||
Object responseContent = super.handleRequest(servletRequest);
|
||||
ServletServerHttpResponse response = new ServletServerHttpResponse(servletResponse);
|
||||
Assert.isTrue(this.supportedMethods.contains(request.getMethod()),
|
||||
"unsupported request method [" + request.getMethod() + "]");
|
||||
|
||||
Object payload = null;
|
||||
if (this.isReadable(request)) {
|
||||
payload = this.generatePayloadFromRequestBody(request);
|
||||
}
|
||||
else {
|
||||
payload = this.convertParameterMap(servletRequest.getParameterMap());
|
||||
}
|
||||
Map<String, ?> headers = this.headerMapper.toHeaders(request.getHeaders());
|
||||
Message<?> message = MessageBuilder.withPayload(payload)
|
||||
.copyHeaders(headers)
|
||||
//.setHeader(HttpHeaders.REQUEST_URL, request.getURI().toString())
|
||||
//.setHeader(HttpHeaders.REQUEST_METHOD, request.getMethod().toString())
|
||||
//.setHeader(HttpHeaders.USER_PRINCIPAL, servletRequest.getUserPrincipal())
|
||||
.build();
|
||||
if (this.expectReply) {
|
||||
Message<?> reply = this.sendAndReceiveMessage(message);
|
||||
this.headerMapper.fromHeaders(reply.getHeaders(), response.getHeaders());
|
||||
if (reply.getPayload() != null) {
|
||||
this.writePayload(reply.getPayload(), response, request.getHeaders().getAccept());
|
||||
if (responseContent instanceof Message<?>) {
|
||||
this.getHeaderMapper().fromHeaders(((Message<?>) responseContent).getHeaders(), response.getHeaders());
|
||||
if (this.extractReplyPayload) {
|
||||
responseContent = ((Message<?>) responseContent).getPayload();
|
||||
}
|
||||
}
|
||||
else {
|
||||
this.send(message);
|
||||
// will be a status response for now... add an optional ResponseGenerator strategy?
|
||||
if (responseContent != null) {
|
||||
ServletServerHttpRequest request = new ServletServerHttpRequest(servletRequest);
|
||||
this.writeResponse(responseContent, response, request.getHeaders().getAccept());
|
||||
}
|
||||
this.postProcessRequest(servletRequest);
|
||||
}
|
||||
|
||||
/**
|
||||
* Prepares an instance of {@link ServletServerHttpRequest} from the raw {@link HttpServletRequest}.
|
||||
* Also converts the request into a multipart request to make multiparts available if necessary.
|
||||
* If no multipart resolver is set, simply returns the existing request.
|
||||
* @param request current HTTP request
|
||||
* @return the processed request (multipart wrapper if necessary)
|
||||
* @see MultipartResolver#resolveMultipart
|
||||
*/
|
||||
private ServletServerHttpRequest prepareRequest(HttpServletRequest servletRequest) {
|
||||
if (servletRequest instanceof MultipartHttpServletRequest) {
|
||||
return new MultipartHttpInputMessage((MultipartHttpServletRequest) servletRequest);
|
||||
}
|
||||
if (this.multipartResolver != null && this.multipartResolver.isMultipart(servletRequest)) {
|
||||
return new MultipartHttpInputMessage(this.multipartResolver.resolveMultipart(servletRequest));
|
||||
}
|
||||
return new ServletServerHttpRequest(servletRequest);
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks if the request has a readable body (not a GET, HEAD, or OPTIONS request)
|
||||
* and a Content-Type header.
|
||||
*/
|
||||
private boolean isReadable(ServletServerHttpRequest request) {
|
||||
HttpMethod method = request.getMethod();
|
||||
if (HttpMethod.GET.equals(method) || HttpMethod.HEAD.equals(method) || HttpMethod.OPTIONS.equals(method)) {
|
||||
return false;
|
||||
}
|
||||
return request.getHeaders().getContentType() != null;
|
||||
}
|
||||
|
||||
/**
|
||||
* Clean up any resources used by the given multipart request (if any).
|
||||
* @param request current HTTP request
|
||||
* @see MultipartResolver#cleanupMultipart
|
||||
*/
|
||||
private void postProcessRequest(HttpServletRequest request) {
|
||||
if (this.multipartResolver != null && request instanceof MultipartHttpServletRequest) {
|
||||
this.multipartResolver.cleanupMultipart((MultipartHttpServletRequest) request);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Converts a servlet request's parameterMap to a {@link MultiValueMap}.
|
||||
*/
|
||||
@SuppressWarnings("unchecked")
|
||||
private LinkedMultiValueMap<String, String> convertParameterMap(Map parameterMap) {
|
||||
LinkedMultiValueMap<String, String> convertedMap = new LinkedMultiValueMap<String, String>();
|
||||
for (Object key : parameterMap.keySet()) {
|
||||
String[] values = (String[]) parameterMap.get(key);
|
||||
for (String value : values) {
|
||||
convertedMap.add((String) key, value);
|
||||
}
|
||||
}
|
||||
return convertedMap;
|
||||
}
|
||||
|
||||
@SuppressWarnings("unchecked")
|
||||
private Object generatePayloadFromRequestBody(ServletServerHttpRequest request) throws IOException {
|
||||
MediaType contentType = request.getHeaders().getContentType();
|
||||
for (HttpMessageConverter<?> converter : this.messageConverters) {
|
||||
if (converter.canRead(this.conversionTargetType, contentType)) {
|
||||
return converter.read((Class) this.conversionTargetType, request);
|
||||
}
|
||||
}
|
||||
throw new MessagingException("Could not convert request: no suitable HttpMessageConverter found for expected type [" +
|
||||
this.conversionTargetType.getName() + "] and content type [" + contentType + "]");
|
||||
}
|
||||
|
||||
@SuppressWarnings("unchecked")
|
||||
private void writePayload(Object payload, ServletServerHttpResponse response, List<MediaType> acceptTypes) throws IOException {
|
||||
for (HttpMessageConverter converter : this.messageConverters) {
|
||||
private void writeResponse(Object content, ServletServerHttpResponse response, List<MediaType> acceptTypes) throws IOException {
|
||||
for (HttpMessageConverter converter : this.getMessageConverters()) {
|
||||
for (MediaType acceptType : acceptTypes) {
|
||||
if (converter.canWrite(payload.getClass(), acceptType)) {
|
||||
converter.write(payload, acceptType, response);
|
||||
if (converter.canWrite(content.getClass(), acceptType)) {
|
||||
converter.write(content, acceptType, response);
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
throw new MessagingException("Could not convert reply: no suitable HttpMessageConverter found for result type [" +
|
||||
payload.getClass().getName() + "] and content types [" + acceptTypes + "]");
|
||||
content.getClass().getName() + "] and content types [" + acceptTypes + "]");
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user