Remove qetQueryParams from ServerHttpRequest

spring-web/src/main/java/org/springframework/http/server/ServerHttpRequest.java

@@ -21,7 +21,6 @@ import java.security.Principal;
 
 import org.springframework.http.HttpInputMessage;
 import org.springframework.http.HttpRequest;
-import org.springframework.util.MultiValueMap;
 
 /**
  * Represents a server-side HTTP request.
@@ -32,11 +31,6 @@ import org.springframework.util.MultiValueMap;
  */
 public interface ServerHttpRequest extends HttpRequest, HttpInputMessage {
 
-	/**
-	 * Returns the map of query parameters. Empty if no query has been set.
-	 */
-	MultiValueMap<String, String> getQueryParams();
-
 	/**
 	 * Return a {@link java.security.Principal} instance containing the name of the
 	 * authenticated user. If the user has not been authenticated, the method returns

spring-web/src/main/java/org/springframework/http/server/ServletServerHttpRequest.java

@@ -34,8 +34,6 @@ import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
 
 import javax.servlet.http.HttpServletRequest;
 
@@ -43,9 +41,6 @@ import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpMethod;
 import org.springframework.http.MediaType;
 import org.springframework.util.Assert;
-import org.springframework.util.CollectionUtils;
-import org.springframework.util.LinkedMultiValueMap;
-import org.springframework.util.MultiValueMap;
 
 /**
  * {@link ServerHttpRequest} implementation that is based on a {@link HttpServletRequest}.
@@ -61,14 +56,10 @@ public class ServletServerHttpRequest implements ServerHttpRequest {
 
 	private static final String METHOD_POST = "POST";
 
-	private static final Pattern QUERY_PARAM_PATTERN = Pattern.compile("([^&=]+)(=?)([^&]+)?");
-
 	private final HttpServletRequest servletRequest;
 
 	private HttpHeaders headers;
 
-	private MultiValueMap<String, String> queryParams;
-
 	private ServerHttpAsyncRequestControl asyncRequestControl;
 
 
@@ -154,26 +145,6 @@ public class ServletServerHttpRequest implements ServerHttpRequest {
 		return new InetSocketAddress(this.servletRequest.getRemoteHost(), this.servletRequest.getRemotePort());
 	}
 
-	@Override
-	public MultiValueMap<String, String> getQueryParams() {
-		if (this.queryParams == null) {
-			MultiValueMap<String, String> result = new LinkedMultiValueMap<String, String>();
-			String queryString = this.servletRequest.getQueryString();
-			if (queryString != null) {
-				Matcher m = QUERY_PARAM_PATTERN.matcher(queryString);
-				while (m.find()) {
-					String name = m.group(1);
-					String[] values = this.servletRequest.getParameterValues(name);
-					if (values != null) {
-						result.put(name, Arrays.asList(values));
-					}
-				}
-			}
-			this.queryParams = CollectionUtils.unmodifiableMultiValueMap(result);
-		}
-		return this.queryParams;
-	}
-
 	@Override
 	public InputStream getBody() throws IOException {
 		if (isFormPost(this.servletRequest)) {

spring-web/src/test/java/org/springframework/http/server/ServletServerHttpRequestTests.java

@@ -18,7 +18,6 @@ package org.springframework.http.server;
 
 import java.net.URI;
 import java.nio.charset.Charset;
-import java.util.Arrays;
 import java.util.List;
 
 import org.junit.Before;
@@ -106,21 +105,4 @@ public class ServletServerHttpRequestTests {
 		assertArrayEquals("Invalid content returned", content, result);
 	}
 
-	@Test
-	public void getQueryParams() throws Exception {
-		mockRequest.setQueryString("foo=bar");
-		mockRequest.addParameter("foo", "bar");
-		mockRequest.addParameter("a", "b");
-		assertEquals(Arrays.asList("bar"), request.getQueryParams().get("foo"));
-		assertNull(request.getQueryParams().get("a"));
-	}
-
-	@Test
-	public void getQueryParamsTwoValues() throws Exception {
-		mockRequest.setQueryString("baz=qux&baz=42");
-		mockRequest.addParameter("baz", "qux");
-		mockRequest.addParameter("baz", "42");
-		assertEquals(Arrays.asList("qux", "42"), request.getQueryParams().get("baz"));
-	}
-
 }

spring-websocket/src/main/java/org/springframework/web/socket/sockjs/transport/handler/AbstractHttpSendingTransportHandler.java

@@ -17,10 +17,13 @@
 package org.springframework.web.socket.sockjs.transport.handler;
 
 import java.io.IOException;
+import java.io.UnsupportedEncodingException;
 
 import org.springframework.http.MediaType;
 import org.springframework.http.server.ServerHttpRequest;
 import org.springframework.http.server.ServerHttpResponse;
+import org.springframework.util.MultiValueMap;
+import org.springframework.util.StringUtils;
 import org.springframework.web.socket.WebSocketHandler;
 import org.springframework.web.socket.WebSocketSession;
 import org.springframework.web.socket.sockjs.SockJsException;
@@ -28,6 +31,8 @@ import org.springframework.web.socket.sockjs.support.frame.SockJsFrame;
 import org.springframework.web.socket.sockjs.support.frame.SockJsFrame.FrameFormat;
 import org.springframework.web.socket.sockjs.transport.TransportHandler;
 import org.springframework.web.socket.sockjs.transport.session.AbstractHttpSockJsSession;
+import org.springframework.web.util.UriComponentsBuilder;
+import org.springframework.web.util.UriUtils;
 
 /**
  * Base class for HTTP transport handlers that push messages to connected clients.
@@ -81,4 +86,17 @@ public abstract class AbstractHttpSendingTransportHandler extends TransportHandl
 
 	protected abstract FrameFormat getFrameFormat(ServerHttpRequest request);
 
+	protected final String getCallbackParam(ServerHttpRequest request) {
+		String query = request.getURI().getQuery();
+		MultiValueMap<String, String> params = UriComponentsBuilder.newInstance().query(query).build().getQueryParams();
+		String value = params.getFirst("c");
+		try {
+			return StringUtils.isEmpty(value) ? null : UriUtils.decode(value, "UTF-8");
+		}
+		catch (UnsupportedEncodingException e) {
+			// should never happen
+			throw new SockJsException("Unable to decode callback query parameter", null, e);
+		}
+	}
+
 }

spring-websocket/src/main/java/org/springframework/web/socket/sockjs/transport/handler/HtmlFileTransportHandler.java

@@ -98,7 +98,7 @@ public class HtmlFileTransportHandler extends AbstractHttpSendingTransportHandle
 	public void handleRequestInternal(ServerHttpRequest request, ServerHttpResponse response,
 			AbstractHttpSockJsSession sockJsSession) {
 
-			String callback = request.getQueryParams().getFirst("c");
+		String callback = getCallbackParam(request);
 		if (! StringUtils.hasText(callback)) {
 			response.setStatusCode(HttpStatus.INTERNAL_SERVER_ERROR);
 			try {
@@ -137,7 +137,7 @@ public class HtmlFileTransportHandler extends AbstractHttpSendingTransportHandle
 		protected void writePrelude() throws IOException {
 
 			// we already validated the parameter above..
-			String callback = getRequest().getQueryParams().getFirst("c");
+			String callback = getCallbackParam(getRequest());
 
 			String html = String.format(PARTIAL_HTML_CONTENT, callback);
 			getResponse().getBody().write(html.getBytes("UTF-8"));

spring-websocket/src/main/java/org/springframework/web/socket/sockjs/transport/handler/JsonpPollingTransportHandler.java

@@ -65,7 +65,7 @@ public class JsonpPollingTransportHandler extends AbstractHttpSendingTransportHa
 			AbstractHttpSockJsSession sockJsSession) throws SockJsException {
 
 		try {
-			String callback = request.getQueryParams().getFirst("c");
+			String callback = getCallbackParam(request);
 			if (! StringUtils.hasText(callback)) {
 				response.setStatusCode(HttpStatus.INTERNAL_SERVER_ERROR);
 				response.getBody().write("\"callback\" parameter required".getBytes("UTF-8"));
@@ -84,7 +84,7 @@ public class JsonpPollingTransportHandler extends AbstractHttpSendingTransportHa
 	protected FrameFormat getFrameFormat(ServerHttpRequest request) {
 
 		// we already validated the parameter above..
-		String callback = request.getQueryParams().getFirst("c");
+		String callback = getCallbackParam(request);
 
 		return new SockJsFrame.DefaultFrameFormat(callback + "(\"%s\");\r\n") {
 			@Override