Author: davsclaus
Date: Sat Sep 12 06:09:01 2009
New Revision: 814110
URL: http://svn.apache.org/viewvc?rev=814110&view=rev
Log:
CAMEL-1850: Applied patch with thanks to Stan Lewis. Velocity component now
supports overriding template resource from a message header to dynamic use
other templates.
Added:
camel/trunk/components/camel-velocity/src/test/java/org/apache/camel/component/velocity/VelocitySetTemplateViaHeaderTest.java
(with props)
Modified:
camel/trunk/components/camel-velocity/src/main/java/org/apache/camel/component/velocity/VelocityEndpoint.java
Modified:
camel/trunk/components/camel-velocity/src/main/java/org/apache/camel/component/velocity/VelocityEndpoint.java
URL:
http://svn.apache.org/viewvc/camel/trunk/components/camel-velocity/src/main/java/org/apache/camel/component/velocity/VelocityEndpoint.java?rev=814110&r1=814109&r2=814110&view=diff
==============================================================================
---
camel/trunk/components/camel-velocity/src/main/java/org/apache/camel/component/velocity/VelocityEndpoint.java
(original)
+++
camel/trunk/components/camel-velocity/src/main/java/org/apache/camel/component/velocity/VelocityEndpoint.java
Sat Sep 12 06:09:01 2009
@@ -101,14 +101,39 @@
return encoding;
}
+ public VelocityEndpoint findOrCreateEndpoint(String uri, String
newResourceUri) {
+ String newUri = uri.replace(getResourceUri(), newResourceUri);
+ if (log.isDebugEnabled()) {
+ log.debug("Getting endpoint with URI: " + newUri);
+ }
+ return (VelocityEndpoint) getCamelContext().getEndpoint(newUri);
+ }
+
@SuppressWarnings("unchecked")
@Override
protected void onExchange(Exchange exchange) throws Exception {
- Resource resource = getResource();
- ObjectHelper.notNull(resource, "resource");
String path = getResourceUri();
ObjectHelper.notNull(path, "resourceUri");
+ String newResourceUri =
exchange.getIn().getHeader(VelocityConstants.VELOCITY_RESOURCE_URI,
String.class);
+ if (newResourceUri != null) {
+
exchange.getIn().removeHeader(VelocityConstants.VELOCITY_RESOURCE_URI);
+
+ if (log.isDebugEnabled()) {
+ log.debug(VelocityConstants.VELOCITY_RESOURCE_URI + " set to "
+ newResourceUri + " creating new endpoint to handle exchange");
+ }
+ VelocityEndpoint newEndpoint =
findOrCreateEndpoint(getEndpointUri(), newResourceUri);
+ newEndpoint.onExchange(exchange);
+ return;
+ }
+
+ Resource resource = getResource();
+ ObjectHelper.notNull(resource, "resource");
+
+ if (log.isDebugEnabled()) {
+ log.debug("Using resource: " + resource + " with resourceUri: " +
path + " for endpoint " + getEndpointUri());
+ }
+
// getResourceAsInputStream also considers the content cache
Reader reader = encoding != null ? new
InputStreamReader(getResourceAsInputStream(), encoding) : new
InputStreamReader(getResourceAsInputStream());
StringWriter buffer = new StringWriter();
@@ -128,7 +153,7 @@
out.setBody(buffer.toString());
out.setHeader(VelocityConstants.VELOCITY_RESOURCE, resource);
out.setHeader(VelocityConstants.VELOCITY_RESOURCE_URI, path);
- Map<String, Object> headers = (Map<String,
Object>)velocityContext.get("headers");
+ Map<String, Object> headers = (Map<String, Object>)
velocityContext.get("headers");
for (String key : headers.keySet()) {
out.setHeader(key, headers.get(key));
}
Added:
camel/trunk/components/camel-velocity/src/test/java/org/apache/camel/component/velocity/VelocitySetTemplateViaHeaderTest.java
URL:
http://svn.apache.org/viewvc/camel/trunk/components/camel-velocity/src/test/java/org/apache/camel/component/velocity/VelocitySetTemplateViaHeaderTest.java?rev=814110&view=auto
==============================================================================
---
camel/trunk/components/camel-velocity/src/test/java/org/apache/camel/component/velocity/VelocitySetTemplateViaHeaderTest.java
(added)
+++
camel/trunk/components/camel-velocity/src/test/java/org/apache/camel/component/velocity/VelocitySetTemplateViaHeaderTest.java
Sat Sep 12 06:09:01 2009
@@ -0,0 +1,66 @@
+/**
+ * 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.velocity;
+
+import org.apache.camel.Exchange;
+import org.apache.camel.Message;
+import org.apache.camel.builder.RouteBuilder;
+import org.apache.camel.component.mock.MockEndpoint;
+import org.apache.camel.test.junit4.CamelTestSupport;
+import org.junit.Test;
+
+public class VelocitySetTemplateViaHeaderTest extends CamelTestSupport {
+
+ private Exchange createLetter(String template) {
+ Exchange exchange = context.getEndpoint("direct:a").createExchange();
+ Message msg = exchange.getIn();
+ msg.setHeader("firstName", "Claus");
+ msg.setHeader("lastName", "Ibsen");
+ msg.setHeader("item", "Camel in Action");
+ msg.setHeader(VelocityConstants.VELOCITY_RESOURCE_URI, template);
+ msg.setBody("PS: Next beer is on me, James");
+ return exchange;
+ }
+
+ @Test
+ public void testVelocityLetter() throws Exception {
+ MockEndpoint mock = getMockEndpoint("mock:result");
+ mock.expectedMessageCount(1);
+ mock.expectedBodiesReceived("Dear Ibsen, Claus\n\nThanks for the order
of Camel in Action.\n\nRegards Camel Riders Bookstore\nPS: Next beer is on me,
James");
+
+ template.send("direct:a",
createLetter("org/apache/camel/component/velocity/letter.vm"));
+
+ mock.assertIsSatisfied();
+
+ mock.reset();
+
+ mock.expectedMessageCount(1);
+ mock.expectedBodiesReceived("Dear Ibsen, Claus\n\nThanks for the order
of Camel in Action.\n\nRegards Apache Camel Riders Bookstore\nPS: Next beer is
on me, James");
+
+ template.send("direct:a",
createLetter("org/apache/camel/component/velocity/letter2.vm"));
+
+ mock.assertIsSatisfied();
+ }
+
+ protected RouteBuilder createRouteBuilder() throws Exception {
+ return new RouteBuilder() {
+ public void configure() throws Exception {
+ from("direct:a").to("velocity:dummy").to("mock:result");
+ }
+ };
+ }
+}
Propchange:
camel/trunk/components/camel-velocity/src/test/java/org/apache/camel/component/velocity/VelocitySetTemplateViaHeaderTest.java
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Propchange:
camel/trunk/components/camel-velocity/src/test/java/org/apache/camel/component/velocity/VelocitySetTemplateViaHeaderTest.java
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