SPR-8986 RestTemplate throws IllegalArgumentException when HTTP status is not in the HttpStatus enum

- Added getRawStatusCode

org.springframework.web/src/main/java/org/springframework/http/client/AbstractClientHttpResponse.java

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2002-2012 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.http.client;
+
+import java.io.IOException;
+
+import org.springframework.http.HttpStatus;
+
+/**
+ * Abstract base for {@link ClientHttpResponse}.
+ *
+ * @author Arjen Poutsma
+ * @since 3.1.1
+ */
+public abstract class AbstractClientHttpResponse implements ClientHttpResponse {
+
+	public HttpStatus getStatusCode() throws IOException {
+		return HttpStatus.valueOf(getRawStatusCode());
+	}
+
+}

org.springframework.web/src/main/java/org/springframework/http/client/BufferingClientHttpResponseWrapper.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2011 the original author or authors.
+ * Copyright 2002-2012 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -47,6 +47,10 @@ final class BufferingClientHttpResponseWrapper implements ClientHttpResponse {
 		return this.response.getStatusCode();
 	}
 
+	public int getRawStatusCode() throws IOException {
+		return this.response.getRawStatusCode();
+	}
+
 	public String getStatusText() throws IOException {
 		return this.response.getStatusText();
 	}

org.springframework.web/src/main/java/org/springframework/http/client/ClientHttpResponse.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2009 the original author or authors.
+ * Copyright 2002-2012 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -39,6 +39,13 @@ public interface ClientHttpResponse extends HttpInputMessage {
 	 */
 	HttpStatus getStatusCode() throws IOException;
 
+	/**
+	 * Return the HTTP status code of the response as integer
+	 * @return the HTTP status as an integer
+	 * @throws IOException in case of I/O errors
+	 */
+	int getRawStatusCode() throws IOException;
+
 	/**
 	 * Return the HTTP status text of the response.
 	 * @return the HTTP status text

org.springframework.web/src/main/java/org/springframework/http/client/CommonsClientHttpResponse.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2011 the original author or authors.
+ * Copyright 2002-2012 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -23,7 +23,6 @@ import org.apache.commons.httpclient.Header;
 import org.apache.commons.httpclient.HttpMethod;
 
 import org.springframework.http.HttpHeaders;
-import org.springframework.http.HttpStatus;
 
 /**
  * {@link org.springframework.http.client.ClientHttpResponse} implementation that uses
@@ -37,7 +36,7 @@ import org.springframework.http.HttpStatus;
  * @deprecated In favor of {@link HttpComponentsClientHttpResponse}
  */
 @Deprecated
-final class CommonsClientHttpResponse implements ClientHttpResponse {
+final class CommonsClientHttpResponse extends AbstractClientHttpResponse {
 
 	private final HttpMethod httpMethod;
 
@@ -49,8 +48,8 @@ final class CommonsClientHttpResponse implements ClientHttpResponse {
 	}
 
 
-	public HttpStatus getStatusCode() {
+	public int getRawStatusCode() {
-		return HttpStatus.valueOf(this.httpMethod.getStatusCode());
+		return this.httpMethod.getStatusCode();
 	}
 
 	public String getStatusText() {

org.springframework.web/src/main/java/org/springframework/http/client/HttpComponentsClientHttpResponse.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2011 the original author or authors.
+ * Copyright 2002-2012 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -25,7 +25,6 @@ import org.apache.http.HttpResponse;
 import org.apache.http.util.EntityUtils;
 
 import org.springframework.http.HttpHeaders;
-import org.springframework.http.HttpStatus;
 
 /**
  * {@link org.springframework.http.client.ClientHttpResponse} implementation that uses
@@ -38,20 +37,20 @@ import org.springframework.http.HttpStatus;
  * @since 3.1
  * @see HttpComponentsClientHttpRequest#execute()
  */
-final class HttpComponentsClientHttpResponse implements ClientHttpResponse {
+final class HttpComponentsClientHttpResponse extends AbstractClientHttpResponse {
 
 	private final HttpResponse httpResponse;
 
 	private HttpHeaders headers;
 
 
-	public HttpComponentsClientHttpResponse(HttpResponse httpResponse) {
+	HttpComponentsClientHttpResponse(HttpResponse httpResponse) {
 		this.httpResponse = httpResponse;
 	}
 
 
-	public HttpStatus getStatusCode() throws IOException {
+	public int getRawStatusCode() throws IOException {
-		return HttpStatus.valueOf(this.httpResponse.getStatusLine().getStatusCode());
+		return this.httpResponse.getStatusLine().getStatusCode();
 	}
 
 	public String getStatusText() throws IOException {

org.springframework.web/src/main/java/org/springframework/http/client/SimpleClientHttpResponse.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2011 the original author or authors.
+ * Copyright 2002-2012 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,7 +21,6 @@ import java.io.InputStream;
 import java.net.HttpURLConnection;
 
 import org.springframework.http.HttpHeaders;
-import org.springframework.http.HttpStatus;
 import org.springframework.util.StringUtils;
 
 /**
@@ -32,7 +31,7 @@ import org.springframework.util.StringUtils;
  * @author Arjen Poutsma
  * @since 3.0
  */
-final class SimpleClientHttpResponse implements ClientHttpResponse {
+final class SimpleClientHttpResponse extends AbstractClientHttpResponse {
 
 	private final HttpURLConnection connection;
 
@@ -44,8 +43,8 @@ final class SimpleClientHttpResponse implements ClientHttpResponse {
 	}
 
 
-	public HttpStatus getStatusCode() throws IOException {
+	public int getRawStatusCode() throws IOException {
-		return HttpStatus.valueOf(this.connection.getResponseCode());
+		return this.connection.getResponseCode();
 	}
 
 	public String getStatusText() throws IOException {

org.springframework.web/src/test/java/org/springframework/http/client/InterceptingClientHttpRequestFactoryTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2011 the original author or authors.
+ * Copyright 2002-2012 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -291,6 +291,10 @@ public class InterceptingClientHttpRequestFactoryTests {
 			return statusCode;
 		}
 
+		public int getRawStatusCode() throws IOException {
+			return statusCode.value();
+		}
+
 		public String getStatusText() throws IOException {
 			return statusText;
 		}
@@ -300,7 +304,7 @@ public class InterceptingClientHttpRequestFactoryTests {
 		}
 
 		public InputStream getBody() throws IOException {
-			return null;  //To change body of implemented methods use File | Settings | File Templates.
+			return null;
 		}
 
 		public void close() {