CAMEL-9935: rest-dsl and http consumers should map empty/blank http query 
parameters as empty values (allow empty).


Project: http://git-wip-us.apache.org/repos/asf/camel/repo
Commit: http://git-wip-us.apache.org/repos/asf/camel/commit/f26ef892
Tree: http://git-wip-us.apache.org/repos/asf/camel/tree/f26ef892
Diff: http://git-wip-us.apache.org/repos/asf/camel/diff/f26ef892

Branch: refs/heads/camel-2.19.x
Commit: f26ef892d8543b25954c00fe317a4f54f2ff54c9
Parents: be0558d
Author: Claus Ibsen <davscl...@apache.org>
Authored: Tue May 23 15:05:18 2017 +0200
Committer: Claus Ibsen <davscl...@apache.org>
Committed: Tue May 23 15:05:45 2017 +0200

----------------------------------------------------------------------
 .../camel/http/common/DefaultHttpBinding.java   |  2 +-
 .../jetty/HttpEmptyQueryParameterTest.java      | 51 ++++++++++++++++++
 .../netty4/http/DefaultNettyHttpBinding.java    | 10 ++--
 .../http/NettyHttpEmptyQueryParameterTest.java  | 51 ++++++++++++++++++
 .../RestletHttpEmptyQueryParameterTest.java     | 55 ++++++++++++++++++++
 .../UndertowHttpEmptyQueryParameterTest.java    | 52 ++++++++++++++++++
 6 files changed, 215 insertions(+), 6 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/camel/blob/f26ef892/components/camel-http-common/src/main/java/org/apache/camel/http/common/DefaultHttpBinding.java
----------------------------------------------------------------------
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 b64d1e7..4bf1b76 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
@@ -377,7 +377,7 @@ public class DefaultHttpBinding implements HttpBinding {
             String key = entry.getKey();
             Object value = entry.getValue();
             // use an iterator as there can be multiple values. (must not use 
a delimiter)
-            final Iterator<?> it = ObjectHelper.createIterator(value, null);
+            final Iterator<?> it = ObjectHelper.createIterator(value, null, 
true);
             while (it.hasNext()) {
                 String headerValue = convertHeaderValueToString(exchange, 
it.next());
                 if (headerValue != null && headerFilterStrategy != null

http://git-wip-us.apache.org/repos/asf/camel/blob/f26ef892/components/camel-jetty9/src/test/java/org/apache/camel/component/jetty/HttpEmptyQueryParameterTest.java
----------------------------------------------------------------------
diff --git 
a/components/camel-jetty9/src/test/java/org/apache/camel/component/jetty/HttpEmptyQueryParameterTest.java
 
b/components/camel-jetty9/src/test/java/org/apache/camel/component/jetty/HttpEmptyQueryParameterTest.java
new file mode 100644
index 0000000..cbd76ab
--- /dev/null
+++ 
b/components/camel-jetty9/src/test/java/org/apache/camel/component/jetty/HttpEmptyQueryParameterTest.java
@@ -0,0 +1,51 @@
+/**
+ * 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.builder.RouteBuilder;
+import org.junit.Test;
+
+public class HttpEmptyQueryParameterTest extends BaseJettyTest {
+
+    @Test
+    public void testEmpty() throws Exception {
+        getMockEndpoint("mock:input").expectedHeaderReceived("id", 123);
+        String out = 
fluentTemplate.to("jetty:http://localhost:{{port}}/foo?id=123";).request(String.class);
+        assertEquals("Header: 123", out);
+        assertMockEndpointsSatisfied();
+
+        resetMocks();
+
+        getMockEndpoint("mock:input").expectedHeaderReceived("id", "");
+        out = 
fluentTemplate.to("jetty:http://localhost:{{port}}/foo?id=";).request(String.class);
+        assertEquals("Header: ", out);
+        assertMockEndpointsSatisfied();
+    }
+
+    @Override
+    protected RouteBuilder createRouteBuilder() throws Exception {
+        return new RouteBuilder() {
+            @Override
+            public void configure() throws Exception {
+                from("jetty:http://0.0.0.0:{{port}}/foo";)
+                    .to("mock:input")
+                    .transform().simple("Header: ${header.id}");
+            }
+        };
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/camel/blob/f26ef892/components/camel-netty4-http/src/main/java/org/apache/camel/component/netty4/http/DefaultNettyHttpBinding.java
----------------------------------------------------------------------
diff --git 
a/components/camel-netty4-http/src/main/java/org/apache/camel/component/netty4/http/DefaultNettyHttpBinding.java
 
b/components/camel-netty4-http/src/main/java/org/apache/camel/component/netty4/http/DefaultNettyHttpBinding.java
index c27bdd6..3d92f21 100644
--- 
a/components/camel-netty4-http/src/main/java/org/apache/camel/component/netty4/http/DefaultNettyHttpBinding.java
+++ 
b/components/camel-netty4-http/src/main/java/org/apache/camel/component/netty4/http/DefaultNettyHttpBinding.java
@@ -170,7 +170,7 @@ public class DefaultNettyHttpBinding implements 
NettyHttpBinding, Cloneable {
 
             // add the headers one by one, and use the header filter strategy
             List<String> values = request.headers().getAll(name);
-            Iterator<?> it = ObjectHelper.createIterator(values);
+            Iterator<?> it = ObjectHelper.createIterator(values, ",", true);
             while (it.hasNext()) {
                 Object extracted = it.next();
                 Object decoded = shouldUrlDecodeHeader(configuration, name, 
extracted, "UTF-8");
@@ -190,7 +190,7 @@ public class DefaultNettyHttpBinding implements 
NettyHttpBinding, Cloneable {
             for (Map.Entry<String, Object> entry : uriParameters.entrySet()) {
                 String name = entry.getKey();
                 Object values = entry.getValue();
-                Iterator<?> it = ObjectHelper.createIterator(values);
+                Iterator<?> it = ObjectHelper.createIterator(values, ",", 
true);
                 while (it.hasNext()) {
                     Object extracted = it.next();
                     Object decoded = shouldUrlDecodeHeader(configuration, 
name, extracted, "UTF-8");
@@ -212,7 +212,7 @@ public class DefaultNettyHttpBinding implements 
NettyHttpBinding, Cloneable {
             String charset = "UTF-8";
 
             // Push POST form params into the headers to retain compatibility 
with DefaultHttpBinding
-            String body = null;
+            String body;
             ByteBuf buffer = request.content();
             try {
                 body = buffer.toString(Charset.forName(charset));
@@ -385,7 +385,7 @@ public class DefaultNettyHttpBinding implements 
NettyHttpBinding, Cloneable {
             }
         }
         
-        HttpResponse response = null;
+        HttpResponse response;
         
         if (buffer != null) {
             response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, 
HttpResponseStatus.valueOf(code), buffer);
@@ -410,7 +410,7 @@ public class DefaultNettyHttpBinding implements 
NettyHttpBinding, Cloneable {
             String key = entry.getKey();
             Object value = entry.getValue();
             // use an iterator as there can be multiple values. (must not use 
a delimiter)
-            final Iterator<?> it = ObjectHelper.createIterator(value, null);
+            final Iterator<?> it = ObjectHelper.createIterator(value, null, 
true);
             while (it.hasNext()) {
                 String headerValue = tc.convertTo(String.class, it.next());
                 if (headerValue != null && headerFilterStrategy != null

http://git-wip-us.apache.org/repos/asf/camel/blob/f26ef892/components/camel-netty4-http/src/test/java/org/apache/camel/component/netty4/http/NettyHttpEmptyQueryParameterTest.java
----------------------------------------------------------------------
diff --git 
a/components/camel-netty4-http/src/test/java/org/apache/camel/component/netty4/http/NettyHttpEmptyQueryParameterTest.java
 
b/components/camel-netty4-http/src/test/java/org/apache/camel/component/netty4/http/NettyHttpEmptyQueryParameterTest.java
new file mode 100644
index 0000000..fdf4af7
--- /dev/null
+++ 
b/components/camel-netty4-http/src/test/java/org/apache/camel/component/netty4/http/NettyHttpEmptyQueryParameterTest.java
@@ -0,0 +1,51 @@
+/**
+ * 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.netty4.http;
+
+import org.apache.camel.builder.RouteBuilder;
+import org.junit.Test;
+
+public class NettyHttpEmptyQueryParameterTest extends BaseNettyTest {
+
+    @Test
+    public void testEmpty() throws Exception {
+        getMockEndpoint("mock:input").expectedHeaderReceived("id", 123);
+        String out = 
fluentTemplate.to("netty4-http:http://localhost:{{port}}/foo?id=123";).request(String.class);
+        assertEquals("Header: 123", out);
+        assertMockEndpointsSatisfied();
+
+        resetMocks();
+
+        getMockEndpoint("mock:input").expectedHeaderReceived("id", "");
+        out = 
fluentTemplate.to("netty4-http:http://localhost:{{port}}/foo?id=";).request(String.class);
+        assertEquals("Header: ", out);
+        assertMockEndpointsSatisfied();
+    }
+
+    @Override
+    protected RouteBuilder createRouteBuilder() throws Exception {
+        return new RouteBuilder() {
+            @Override
+            public void configure() throws Exception {
+                from("netty4-http:http://0.0.0.0:{{port}}/foo";)
+                    .to("mock:input")
+                    .transform().simple("Header: ${header.id}");
+            }
+        };
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/camel/blob/f26ef892/components/camel-restlet/src/test/java/org/apache/camel/component/restlet/RestletHttpEmptyQueryParameterTest.java
----------------------------------------------------------------------
diff --git 
a/components/camel-restlet/src/test/java/org/apache/camel/component/restlet/RestletHttpEmptyQueryParameterTest.java
 
b/components/camel-restlet/src/test/java/org/apache/camel/component/restlet/RestletHttpEmptyQueryParameterTest.java
new file mode 100644
index 0000000..5b16e07
--- /dev/null
+++ 
b/components/camel-restlet/src/test/java/org/apache/camel/component/restlet/RestletHttpEmptyQueryParameterTest.java
@@ -0,0 +1,55 @@
+/**
+ * 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.restlet;
+
+import org.apache.camel.builder.RouteBuilder;
+import org.junit.Ignore;
+import org.junit.Test;
+
+/**
+ * @version 
+ */
+@Ignore("Need to add support for lenient properties to producer")
+public class RestletHttpEmptyQueryParameterTest extends RestletTestSupport {
+
+    @Test
+    public void testEmpty() throws Exception {
+        getMockEndpoint("mock:input").expectedHeaderReceived("id", 123);
+        String out = fluentTemplate.to("restlet:http://localhost:"; + portNum + 
"/foo?id=123").request(String.class);
+        assertEquals("Header: 123", out);
+        assertMockEndpointsSatisfied();
+
+        resetMocks();
+
+        getMockEndpoint("mock:input").expectedHeaderReceived("id", "");
+        out = fluentTemplate.to("restlet:http://localhost:"; + portNum + 
"/foo?id=").request(String.class);
+        assertEquals("Header: ", out);
+        assertMockEndpointsSatisfied();
+    }
+
+    @Override
+    protected RouteBuilder createRouteBuilder() throws Exception {
+        return new RouteBuilder() {
+            @Override
+            public void configure() throws Exception {
+                from("restlet:http://0.0.0.0:"; + portNum + "/foo")
+                    .to("mock:input")
+                    .transform().simple("Header: ${header.id}");
+            }
+        };
+    }
+}

http://git-wip-us.apache.org/repos/asf/camel/blob/f26ef892/components/camel-undertow/src/test/java/org/apache/camel/component/undertow/rest/UndertowHttpEmptyQueryParameterTest.java
----------------------------------------------------------------------
diff --git 
a/components/camel-undertow/src/test/java/org/apache/camel/component/undertow/rest/UndertowHttpEmptyQueryParameterTest.java
 
b/components/camel-undertow/src/test/java/org/apache/camel/component/undertow/rest/UndertowHttpEmptyQueryParameterTest.java
new file mode 100644
index 0000000..b9151db
--- /dev/null
+++ 
b/components/camel-undertow/src/test/java/org/apache/camel/component/undertow/rest/UndertowHttpEmptyQueryParameterTest.java
@@ -0,0 +1,52 @@
+/**
+ * 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.undertow.rest;
+
+import org.apache.camel.builder.RouteBuilder;
+import org.apache.camel.component.undertow.BaseUndertowTest;
+import org.junit.Test;
+
+public class UndertowHttpEmptyQueryParameterTest extends BaseUndertowTest {
+
+    @Test
+    public void testEmpty() throws Exception {
+        getMockEndpoint("mock:input").expectedHeaderReceived("id", 123);
+        String out = 
fluentTemplate.to("undertow:http://localhost:{{port}}/foo?id=123";).request(String.class);
+        assertEquals("Header: 123", out);
+        assertMockEndpointsSatisfied();
+
+        resetMocks();
+
+        getMockEndpoint("mock:input").expectedHeaderReceived("id", "");
+        out = 
fluentTemplate.to("undertow:http://localhost:{{port}}/foo?id=";).request(String.class);
+        assertEquals("Header: ", out);
+        assertMockEndpointsSatisfied();
+    }
+
+    @Override
+    protected RouteBuilder createRouteBuilder() throws Exception {
+        return new RouteBuilder() {
+            @Override
+            public void configure() throws Exception {
+                from("undertow:http://0.0.0.0:{{port}}/foo";)
+                    .to("mock:input")
+                    .transform().simple("Header: ${header.id}");
+            }
+        };
+    }
+
+}

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