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Posted to commits@camel.apache.org by da...@apache.org on 2019/10/22 06:17:42 UTC
[camel] branch master updated: CAMEL-14029 default status code uses
204 when no content (#3271)
This is an automated email from the ASF dual-hosted git repository.
davsclaus pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/camel.git
The following commit(s) were added to refs/heads/master by this push:
new d86e4e7 CAMEL-14029 default status code uses 204 when no content (#3271)
d86e4e7 is described below
commit d86e4e7af5361f30141c711eb7114dd85add38c9
Author: Mike Barlotta <Co...@users.noreply.github.com>
AuthorDate: Tue Oct 22 02:17:30 2019 -0400
CAMEL-14029 default status code uses 204 when no content (#3271)
---
.../camel/http/common/DefaultHttpBinding.java | 34 ++++-
.../jetty/JettySwitchingStatusCode204Test.java | 144 +++++++++++++++++++++
.../undertow/DefaultUndertowHttpBinding.java | 1 -
3 files changed, 172 insertions(+), 7 deletions(-)
diff --git a/components/camel-http-common/src/main/java/org/apache/camel/http/common/DefaultHttpBinding.java b/components/camel-http-common/src/main/java/org/apache/camel/http/common/DefaultHttpBinding.java
index 5bdcc36..7eb8e2d 100644
--- a/components/camel-http-common/src/main/java/org/apache/camel/http/common/DefaultHttpBinding.java
+++ b/components/camel-http-common/src/main/java/org/apache/camel/http/common/DefaultHttpBinding.java
@@ -386,17 +386,15 @@ public class DefaultHttpBinding implements HttpBinding {
@Override
public void doWriteFaultResponse(Message message, HttpServletResponse response, Exchange exchange) throws IOException {
- message.setHeader(Exchange.HTTP_RESPONSE_CODE, HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
+ //message.setHeader(Exchange.HTTP_RESPONSE_CODE, HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
doWriteResponse(message, response, exchange);
}
@Override
public void doWriteResponse(Message message, HttpServletResponse response, Exchange exchange) throws IOException {
- // set the status code in the response. Default is 200.
- if (message.getHeader(Exchange.HTTP_RESPONSE_CODE) != null) {
- int code = message.getHeader(Exchange.HTTP_RESPONSE_CODE, Integer.class);
- response.setStatus(code);
- }
+ int statusCode = determineResponseCode(exchange, exchange.getMessage().getBody());
+ response.setStatus(statusCode);
+
// set the content type in the response.
String contentType = MessageHelper.getContentType(message);
if (contentType != null) {
@@ -429,6 +427,30 @@ public class DefaultHttpBinding implements HttpBinding {
}
}
+ /*
+ * set the HTTP status code
+ * NOTE: this is similar to the Netty-Http and Undertow approach
+ * TODO: we may want to refactor this class so that
+ * the status code is determined in one place
+ */
+ private int determineResponseCode(Exchange camelExchange, Object body) {
+ boolean failed = camelExchange.isFailed();
+ int defaultCode = failed ? 500 : 200;
+
+ Message message = camelExchange.getMessage();
+ Integer currentCode = message.getHeader(Exchange.HTTP_RESPONSE_CODE, Integer.class);
+ int codeToUse = currentCode == null ? defaultCode : currentCode;
+
+ if (codeToUse != 500) {
+ if ((body == null) || (body instanceof String && ((String) body).trim().isEmpty())) {
+ // no content
+ codeToUse = currentCode == null ? 204 : currentCode;
+ }
+ }
+
+ return codeToUse;
+ }
+
protected String convertHeaderValueToString(Exchange exchange, Object headerValue) {
if ((headerValue instanceof Date || headerValue instanceof Locale)
&& convertDateAndLocaleLocally(exchange)) {
diff --git a/components/camel-jetty/src/test/java/org/apache/camel/component/jetty/JettySwitchingStatusCode204Test.java b/components/camel-jetty/src/test/java/org/apache/camel/component/jetty/JettySwitchingStatusCode204Test.java
new file mode 100644
index 0000000..a3543c3
--- /dev/null
+++ b/components/camel-jetty/src/test/java/org/apache/camel/component/jetty/JettySwitchingStatusCode204Test.java
@@ -0,0 +1,144 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.camel.component.jetty;
+
+import org.apache.camel.Exchange;
+import org.apache.camel.builder.RouteBuilder;
+import org.apache.http.HttpResponse;
+import org.apache.http.client.HttpClient;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.client.methods.HttpUriRequest;
+import org.apache.http.impl.client.HttpClientBuilder;
+import org.apache.http.util.EntityUtils;
+import org.junit.Test;
+
+public class JettySwitchingStatusCode204Test extends BaseJettyTest {
+
+ @Test
+ public void testSwitchNoBodyTo204ViaHttp() throws Exception {
+ HttpUriRequest request = new HttpGet("http://localhost:" + getPort() + "/bar");
+ HttpClient httpClient = HttpClientBuilder.create().build();
+ HttpResponse httpResponse = httpClient.execute(request);
+
+ assertEquals(204, httpResponse.getStatusLine().getStatusCode());
+ assertNull(httpResponse.getEntity());
+ }
+
+ @Test
+ public void testSwitchingNoBodyTo204HttpViaCamel() throws Exception {
+ Exchange inExchange = this.createExchangeWithBody("Hello World");
+ Exchange outExchange = template.send("http://localhost:{{port}}/bar", inExchange);
+
+ assertEquals(204, outExchange.getMessage().getHeader(Exchange.HTTP_RESPONSE_CODE));
+ assertEquals(null, outExchange.getMessage().getBody(String.class));
+ }
+
+ @Test
+ public void testSwitchingNoBodyTo204ViaCamelRoute() throws Exception {
+ Exchange inExchange = this.createExchangeWithBody("Hello World");
+ Exchange outExchange = template.send("direct:bar", inExchange);
+
+ assertEquals(204, outExchange.getMessage().getHeader(Exchange.HTTP_RESPONSE_CODE));
+ assertEquals(null, outExchange.getMessage().getBody(String.class));
+ }
+
+ @Test
+ public void testNoSwitchingNoCodeViaHttp() throws Exception {
+ HttpUriRequest request = new HttpGet("http://localhost:" + getPort() + "/foo");
+ HttpClient httpClient = HttpClientBuilder.create().build();
+ HttpResponse httpResponse = httpClient.execute(request);
+
+ assertEquals(200, httpResponse.getStatusLine().getStatusCode());
+ assertNotNull(httpResponse.getEntity());
+ assertEquals("No Content", EntityUtils.toString(httpResponse.getEntity()));
+ }
+
+ @Test
+ public void testNoSwitchingNoCodeHttpViaCamel() throws Exception {
+ Exchange inExchange = this.createExchangeWithBody("Hello World");
+ Exchange outExchange = template.send("http://localhost:{{port}}/foo", inExchange);
+
+ assertEquals(200, outExchange.getMessage().getHeader(Exchange.HTTP_RESPONSE_CODE));
+ assertEquals("No Content", outExchange.getMessage().getBody(String.class));
+ }
+
+ @Test
+ public void testNoSwitchingNoCodeViaCamelRoute() throws Exception {
+ Exchange inExchange = this.createExchangeWithBody("Hello World");
+ Exchange outExchange = template.send("direct:foo", inExchange);
+
+ assertEquals(200, outExchange.getMessage().getHeader(Exchange.HTTP_RESPONSE_CODE));
+ assertEquals("No Content", outExchange.getMessage().getBody(String.class));
+ }
+
+ @Test
+ public void testNoSwitchingNoBodyViaHttp() throws Exception {
+ HttpUriRequest request = new HttpGet("http://localhost:" + getPort() + "/foobar");
+ HttpClient httpClient = HttpClientBuilder.create().build();
+ HttpResponse httpResponse = httpClient.execute(request);
+
+ assertEquals(200, httpResponse.getStatusLine().getStatusCode());
+ assertNotNull(httpResponse.getEntity());
+ assertEquals("", EntityUtils.toString(httpResponse.getEntity()));
+ }
+
+ @Test
+ public void testNoSwitchingNoBodyHttpViaCamel() throws Exception {
+ Exchange inExchange = this.createExchangeWithBody("Hello World");
+ Exchange outExchange = template.send("http://localhost:{{port}}/foobar", inExchange);
+
+ assertEquals(200, outExchange.getMessage().getHeader(Exchange.HTTP_RESPONSE_CODE));
+ assertEquals("", outExchange.getMessage().getBody(String.class));
+ }
+
+ @Test
+ public void testNoSwitchingNoBodyViaCamelRoute() throws Exception {
+ Exchange inExchange = this.createExchangeWithBody("Hello World");
+ Exchange outExchange = template.send("direct:foobar", inExchange);
+
+ assertEquals(200, outExchange.getMessage().getHeader(Exchange.HTTP_RESPONSE_CODE));
+ assertEquals("", outExchange.getMessage().getBody(String.class));
+ }
+
+ @Override
+ protected RouteBuilder createRouteBuilder() throws Exception {
+ return new RouteBuilder() {
+ @Override
+ public void configure() throws Exception {
+ from("jetty:http://localhost:{{port}}/bar")
+ .setBody().constant("");
+
+ from("direct:bar")
+ .to("http://localhost:{{port}}/bar");
+
+ from("jetty:http://localhost:{{port}}/foo")
+ .setBody().constant("No Content");
+
+ from("direct:foo")
+ .to("http://localhost:{{port}}/foo");
+
+ from("jetty:http://localhost:{{port}}/foobar")
+ .setHeader(Exchange.HTTP_RESPONSE_CODE, constant(200))
+ .setBody().constant("");
+
+ from("direct:foobar")
+ .to("http://localhost:{{port}}/foobar");
+
+ }
+ };
+ }
+}
\ No newline at end of file
diff --git a/components/camel-undertow/src/main/java/org/apache/camel/component/undertow/DefaultUndertowHttpBinding.java b/components/camel-undertow/src/main/java/org/apache/camel/component/undertow/DefaultUndertowHttpBinding.java
index 328a80c..2d91f74 100644
--- a/components/camel-undertow/src/main/java/org/apache/camel/component/undertow/DefaultUndertowHttpBinding.java
+++ b/components/camel-undertow/src/main/java/org/apache/camel/component/undertow/DefaultUndertowHttpBinding.java
@@ -42,7 +42,6 @@ import io.undertow.util.HeaderMap;
import io.undertow.util.Headers;
import io.undertow.util.HttpString;
import io.undertow.util.Methods;
-import io.undertow.util.StatusCodes;
import org.apache.camel.Exchange;
import org.apache.camel.Message;