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Posted to commits@camel.apache.org by da...@apache.org on 2010/11/29 14:03:24 UTC

svn commit: r1040099 - in /camel/trunk/camel-core/src: main/java/org/apache/camel/ main/java/org/apache/camel/impl/ test/java/org/apache/camel/model/ test/resources/org/apache/camel/model/

Author: davsclaus
Date: Mon Nov 29 13:03:23 2010
New Revision: 1040099

URL: http://svn.apache.org/viewvc?rev=1040099&view=rev
Log:
CAMEL-3378: Added loadRoutesDefinition to CamelContext to easily load routes from XML resources.

Added:
    camel/trunk/camel-core/src/test/java/org/apache/camel/model/LoadRouteFromXmlTest.java
    camel/trunk/camel-core/src/test/resources/org/apache/camel/model/barRoute.xml   (contents, props changed)
      - copied, changed from r1040057, camel/trunk/camel-core/src/test/resources/org/apache/camel/model/simpleRoute.xml
Modified:
    camel/trunk/camel-core/src/main/java/org/apache/camel/CamelContext.java
    camel/trunk/camel-core/src/main/java/org/apache/camel/impl/DefaultCamelContext.java
    camel/trunk/camel-core/src/main/java/org/apache/camel/impl/DefaultRouteContext.java

Modified: camel/trunk/camel-core/src/main/java/org/apache/camel/CamelContext.java
URL: http://svn.apache.org/viewvc/camel/trunk/camel-core/src/main/java/org/apache/camel/CamelContext.java?rev=1040099&r1=1040098&r2=1040099&view=diff
==============================================================================
--- camel/trunk/camel-core/src/main/java/org/apache/camel/CamelContext.java (original)
+++ camel/trunk/camel-core/src/main/java/org/apache/camel/CamelContext.java Mon Nov 29 13:03:23 2010
@@ -16,6 +16,7 @@
  */
 package org.apache.camel;
 
+import java.io.InputStream;
 import java.util.Collection;
 import java.util.List;
 import java.util.Map;
@@ -24,6 +25,7 @@ import java.util.concurrent.TimeUnit;
 import org.apache.camel.builder.ErrorHandlerBuilder;
 import org.apache.camel.model.DataFormatDefinition;
 import org.apache.camel.model.RouteDefinition;
+import org.apache.camel.model.RoutesDefinition;
 import org.apache.camel.spi.CamelContextNameStrategy;
 import org.apache.camel.spi.ClassResolver;
 import org.apache.camel.spi.DataFormat;
@@ -339,6 +341,15 @@ public interface CamelContext extends Su
     void addRoutes(RoutesBuilder builder) throws Exception;
 
     /**
+     * Loads a collection of route definitions from the given {@link java.io.InputStream}.
+     *
+     * @param is input stream with the route(s) definition to add
+     * @throws Exception if the route definitions could not be loaded for whatever reason
+     * @return the route definitions
+     */
+    RoutesDefinition loadRoutesDefinition(InputStream is) throws Exception;
+
+    /**
      * Adds a collection of route definitions to the context
      *
      * @param routeDefinitions the route(s) definition to add

Modified: camel/trunk/camel-core/src/main/java/org/apache/camel/impl/DefaultCamelContext.java
URL: http://svn.apache.org/viewvc/camel/trunk/camel-core/src/main/java/org/apache/camel/impl/DefaultCamelContext.java?rev=1040099&r1=1040098&r2=1040099&view=diff
==============================================================================
--- camel/trunk/camel-core/src/main/java/org/apache/camel/impl/DefaultCamelContext.java (original)
+++ camel/trunk/camel-core/src/main/java/org/apache/camel/impl/DefaultCamelContext.java Mon Nov 29 13:03:23 2010
@@ -16,6 +16,8 @@
  */
 package org.apache.camel.impl;
 
+import java.io.IOException;
+import java.io.InputStream;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
@@ -33,6 +35,8 @@ import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicInteger;
 import javax.naming.Context;
+import javax.xml.bind.JAXBContext;
+import javax.xml.bind.Unmarshaller;
 
 import org.apache.camel.CamelContext;
 import org.apache.camel.CamelContextAware;
@@ -69,8 +73,10 @@ import org.apache.camel.management.Defau
 import org.apache.camel.management.DefaultManagementStrategy;
 import org.apache.camel.management.JmxSystemPropertyKeys;
 import org.apache.camel.management.ManagedManagementStrategy;
+import org.apache.camel.model.Constants;
 import org.apache.camel.model.DataFormatDefinition;
 import org.apache.camel.model.RouteDefinition;
+import org.apache.camel.model.RoutesDefinition;
 import org.apache.camel.processor.interceptor.Debug;
 import org.apache.camel.processor.interceptor.Delayer;
 import org.apache.camel.processor.interceptor.HandleFault;
@@ -124,6 +130,7 @@ import org.apache.commons.logging.LogFac
  */
 public class DefaultCamelContext extends ServiceSupport implements CamelContext, SuspendableService {
     private static final transient Log LOG = LogFactory.getLog(DefaultCamelContext.class);
+    private JAXBContext jaxbContext;
     private CamelContextNameStrategy nameStrategy = new DefaultCamelContextNameStrategy();
     private String managementName;
     private ClassLoader applicationContextClassLoader;
@@ -561,6 +568,34 @@ public class DefaultCamelContext extends
         builder.addRoutesToCamelContext(this);
     }
 
+    public synchronized RoutesDefinition loadRoutesDefinition(InputStream is) throws Exception {
+        // load routes using JAXB
+        if (jaxbContext == null) {
+            jaxbContext = JAXBContext.newInstance(Constants.JAXB_CONTEXT_PACKAGES);
+        }
+
+        Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();
+        Object result = unmarshaller.unmarshal(is);
+
+        if (result == null) {
+            throw new IOException("Cannot unmarshal to routes using JAXB from input stream: " + is);
+        }
+
+        // can either be routes or a single route
+        RoutesDefinition answer = null;
+        if (result instanceof RouteDefinition) {
+            RouteDefinition route = (RouteDefinition) result;
+            answer = new RoutesDefinition();
+            answer.getRoutes().add(route);
+        } else if (result instanceof RoutesDefinition) {
+            answer = (RoutesDefinition) result;
+        } else {
+            throw new IllegalArgumentException("Unmarshalled object is an unsupported type: " + ObjectHelper.className(result) + " -> " + result);
+        }
+
+        return answer;
+    }
+
     public void addRouteDefinitions(Collection<RouteDefinition> routeDefinitions) throws Exception {
         for (RouteDefinition routeDefinition : routeDefinitions) {
             removeRouteDefinition(routeDefinition);

Modified: camel/trunk/camel-core/src/main/java/org/apache/camel/impl/DefaultRouteContext.java
URL: http://svn.apache.org/viewvc/camel/trunk/camel-core/src/main/java/org/apache/camel/impl/DefaultRouteContext.java?rev=1040099&r1=1040098&r2=1040099&view=diff
==============================================================================
--- camel/trunk/camel-core/src/main/java/org/apache/camel/impl/DefaultRouteContext.java (original)
+++ camel/trunk/camel-core/src/main/java/org/apache/camel/impl/DefaultRouteContext.java Mon Nov 29 13:03:23 2010
@@ -59,7 +59,7 @@ public class DefaultRouteContext impleme
     private InterceptStrategy managedInterceptStrategy;
     private boolean routeAdded;
     private Boolean trace;
-    private Boolean stramCache;
+    private Boolean streamCache;
     private Boolean handleFault;
     private Long delay;
     private Boolean autoStartup = Boolean.TRUE;
@@ -244,12 +244,12 @@ public class DefaultRouteContext impleme
     }
 
     public void setStreamCaching(Boolean cache) {
-        this.stramCache = cache;
+        this.streamCache = cache;
     }
 
     public Boolean isStreamCaching() {
-        if (stramCache != null) {
-            return stramCache;
+        if (streamCache != null) {
+            return streamCache;
         } else {
             // fallback to the option from camel context
             return getCamelContext().isStreamCaching();

Added: camel/trunk/camel-core/src/test/java/org/apache/camel/model/LoadRouteFromXmlTest.java
URL: http://svn.apache.org/viewvc/camel/trunk/camel-core/src/test/java/org/apache/camel/model/LoadRouteFromXmlTest.java?rev=1040099&view=auto
==============================================================================
--- camel/trunk/camel-core/src/test/java/org/apache/camel/model/LoadRouteFromXmlTest.java (added)
+++ camel/trunk/camel-core/src/test/java/org/apache/camel/model/LoadRouteFromXmlTest.java Mon Nov 29 13:03:23 2010
@@ -0,0 +1,65 @@
+/**
+ * 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.model;
+
+import java.io.InputStream;
+
+import org.apache.camel.ContextTestSupport;
+import org.apache.camel.builder.RouteBuilder;
+import org.apache.camel.component.mock.MockEndpoint;
+
+/**
+ * @version $Revision$
+ */
+public class LoadRouteFromXmlTest extends ContextTestSupport {
+
+    public void testLoadRouteFromXml() throws Exception {
+        assertNotNull("Existing foo route should be there", context.getRoute("foo"));
+        assertEquals(1, context.getRoutes().size());
+
+        // test that existing route works
+        MockEndpoint foo = getMockEndpoint("mock:foo");
+        foo.expectedBodiesReceived("Hello World");
+        template.sendBody("direct:foo", "Hello World");
+        foo.assertIsSatisfied();
+
+        // load route from XML
+        InputStream is = getClass().getResourceAsStream("barRoute.xml");
+        RoutesDefinition routes = context.loadRoutesDefinition(is);
+        context.addRouteDefinitions(routes.getRoutes());
+
+        assertNotNull("Loaded bar route should be there", context.getRoute("bar"));
+        assertEquals(2, context.getRoutes().size());
+
+        // test that loaded route works
+        MockEndpoint bar = getMockEndpoint("mock:bar");
+        bar.expectedBodiesReceived("Bye World");
+        template.sendBody("direct:bar", "Bye World");
+        bar.assertIsSatisfied();
+    }
+
+    @Override
+    protected RouteBuilder createRouteBuilder() throws Exception {
+        return new RouteBuilder() {
+            @Override
+            public void configure() throws Exception {
+                from("direct:foo").routeId("foo")
+                    .to("mock:foo");
+            }
+        };
+    }
+}

Copied: camel/trunk/camel-core/src/test/resources/org/apache/camel/model/barRoute.xml (from r1040057, camel/trunk/camel-core/src/test/resources/org/apache/camel/model/simpleRoute.xml)
URL: http://svn.apache.org/viewvc/camel/trunk/camel-core/src/test/resources/org/apache/camel/model/barRoute.xml?p2=camel/trunk/camel-core/src/test/resources/org/apache/camel/model/barRoute.xml&p1=camel/trunk/camel-core/src/test/resources/org/apache/camel/model/simpleRoute.xml&r1=1040057&r2=1040099&rev=1040099&view=diff
==============================================================================
--- camel/trunk/camel-core/src/test/resources/org/apache/camel/model/simpleRoute.xml (original)
+++ camel/trunk/camel-core/src/test/resources/org/apache/camel/model/barRoute.xml Mon Nov 29 13:03:23 2010
@@ -15,15 +15,9 @@
     See the License for the specific language governing permissions and
     limitations under the License.
 -->
-<routes xmlns="http://camel.apache.org/schema/spring"
-       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
-
-  <!--
-       xsi:schemaLocation="http://camel.apache.org/schema/spring http://camel.apache.org/schema/spring/camel-spring.xsd"
-  -->
-
-  <route>
-    <from uri="seda:a"/>
-    <to uri="seda:b"/>
-  </route>
+<routes xmlns="http://camel.apache.org/schema/spring">
+    <route id="bar">
+        <from uri="direct:bar"/>
+        <to uri="mock:bar"/>
+    </route>
 </routes>

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