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From davscl...@apache.org
Subject [6/9] camel git commit: Added new blueprint resolvers
Date Thu, 28 Jul 2016 07:11:58 GMT
Added new blueprint resolvers


Project: http://git-wip-us.apache.org/repos/asf/camel/repo
Commit: http://git-wip-us.apache.org/repos/asf/camel/commit/7e39e027
Tree: http://git-wip-us.apache.org/repos/asf/camel/tree/7e39e027
Diff: http://git-wip-us.apache.org/repos/asf/camel/diff/7e39e027

Branch: refs/heads/master
Commit: 7e39e0278ec5235e0c51633dd713ae3b5b5fa622
Parents: 8caf3c0
Author: Nicola Ferraro <ni.ferraro@gmail.com>
Authored: Wed Jul 27 19:15:18 2016 +0200
Committer: Claus Ibsen <davsclaus@apache.org>
Committed: Thu Jul 28 08:41:34 2016 +0200

----------------------------------------------------------------------
 .../blueprint/BlueprintComponentResolver.java   |  32 +++---
 .../BlueprintComponentResolverTest.java         | 106 +++++++++++++++++++
 2 files changed, 120 insertions(+), 18 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/camel/blob/7e39e027/components/camel-blueprint/src/main/java/org/apache/camel/blueprint/BlueprintComponentResolver.java
----------------------------------------------------------------------
diff --git a/components/camel-blueprint/src/main/java/org/apache/camel/blueprint/BlueprintComponentResolver.java
b/components/camel-blueprint/src/main/java/org/apache/camel/blueprint/BlueprintComponentResolver.java
index 9ec35c3..3cc0021 100644
--- a/components/camel-blueprint/src/main/java/org/apache/camel/blueprint/BlueprintComponentResolver.java
+++ b/components/camel-blueprint/src/main/java/org/apache/camel/blueprint/BlueprintComponentResolver.java
@@ -20,7 +20,7 @@ import org.apache.camel.CamelContext;
 import org.apache.camel.Component;
 import org.apache.camel.core.osgi.OsgiComponentResolver;
 import org.apache.camel.spi.ComponentResolver;
-import org.apache.camel.util.CamelContextHelper;
+import org.apache.camel.util.ResolverHelper;
 import org.osgi.framework.BundleContext;
 import org.osgi.service.blueprint.container.NoSuchComponentException;
 import org.slf4j.Logger;
@@ -38,26 +38,22 @@ public class BlueprintComponentResolver extends OsgiComponentResolver
{
 
     @Override
     public Component resolveComponent(String name, CamelContext context) throws Exception
{
-        try {
-            Object bean = context.getRegistry().lookupByName(name);
-            if (bean instanceof Component) {
-                LOG.debug("Found component: {} in registry: {}", name, bean);
-                return (Component) bean;
-            } else {
-                // let's use Camel's type conversion mechanism to convert things like CamelContext
-                // and other types into a valid Component
-                Component component = CamelContextHelper.convertTo(context, Component.class,
bean);
-                if (component != null) {
-                    return component;
+
+        Component componentReg = ResolverHelper.lookupComponentInRegistryWithFallback(context,
name, new ResolverHelper.LookupExceptionHandler() {
+            @Override
+            public void handleException(Exception e, Logger log, String name) {
+                if (getException(NoSuchComponentException.class, e) != null) {
+                    // if the caused error is NoSuchComponentException then that can be expected
so ignore
+                } else {
+                    LOG.trace("Ignored error looking up bean: " + name + " due: " + e.getMessage(),
e);
                 }
             }
-        } catch (Exception e) {
-            if (getException(NoSuchComponentException.class, e) != null) {
-                // if the caused error is NoSuchComponentException then that can be expected
so ignore
-            } else {
-                LOG.trace("Ignored error looking up bean: " + name + " due: " + e.getMessage(),
e);
-            }
+        });
+
+        if (componentReg != null) {
+            return componentReg;
         }
+
         try {
             Object bean = context.getRegistry().lookupByName(".camelBlueprint.componentResolver."
+ name);
             if (bean instanceof ComponentResolver) {

http://git-wip-us.apache.org/repos/asf/camel/blob/7e39e027/components/camel-blueprint/src/test/java/org/apache/camel/blueprint/BlueprintComponentResolverTest.java
----------------------------------------------------------------------
diff --git a/components/camel-blueprint/src/test/java/org/apache/camel/blueprint/BlueprintComponentResolverTest.java
b/components/camel-blueprint/src/test/java/org/apache/camel/blueprint/BlueprintComponentResolverTest.java
new file mode 100644
index 0000000..5d30fc4
--- /dev/null
+++ b/components/camel-blueprint/src/test/java/org/apache/camel/blueprint/BlueprintComponentResolverTest.java
@@ -0,0 +1,106 @@
+/**
+ * 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.blueprint;
+
+import org.apache.camel.CamelContext;
+import org.apache.camel.Component;
+import org.apache.camel.ComponentConfiguration;
+import org.apache.camel.Endpoint;
+import org.apache.camel.EndpointConfiguration;
+import org.apache.camel.impl.DefaultCamelContext;
+import org.apache.camel.impl.SimpleRegistry;
+import org.apache.camel.test.junit4.TestSupport;
+import org.junit.Test;
+
+public class BlueprintComponentResolverTest extends TestSupport {
+
+    @Test
+    public void testOsgiResolverFindComponentFallbackTest() throws Exception {
+        SimpleRegistry registry = new SimpleRegistry();
+        registry.put("allstar-component", new SampleComponent(true));
+
+        CamelContext camelContext = new DefaultCamelContext(registry);
+
+        BlueprintComponentResolver resolver = new BlueprintComponentResolver(null);
+        Component component = resolver.resolveComponent("allstar", camelContext);
+        assertNotNull("We should find the super component", component);
+        assertTrue("We should get the super component here", component instanceof SampleComponent);
+    }
+
+    @Test
+    public void testOsgiResolverFindLanguageDoubleFallbackTest() throws Exception {
+        SimpleRegistry registry = new SimpleRegistry();
+        registry.put("allstar", new SampleComponent(false));
+        registry.put("allstar-component", new SampleComponent(true));
+
+        CamelContext camelContext = new DefaultCamelContext(registry);
+
+        BlueprintComponentResolver resolver = new BlueprintComponentResolver(null);
+        Component component = resolver.resolveComponent("allstar", camelContext);
+        assertNotNull("We should find the super component", component);
+        assertTrue("We should get the super component here", component instanceof SampleComponent);
+        assertFalse("We should NOT find the fallback component", ((SampleComponent) component).isFallback());
+    }
+
+    private static class SampleComponent implements Component {
+
+        private boolean fallback;
+
+        public SampleComponent(boolean fallback) {
+            this.fallback = fallback;
+        }
+
+        @Override
+        public void setCamelContext(CamelContext camelContext) {
+            throw new UnsupportedOperationException("Should not be called");
+        }
+
+        @Override
+        public CamelContext getCamelContext() {
+            throw new UnsupportedOperationException("Should not be called");
+        }
+
+        @Override
+        public Endpoint createEndpoint(String uri) throws Exception {
+            throw new UnsupportedOperationException("Should not be called");
+        }
+
+        @Override
+        public boolean useRawUri() {
+            throw new UnsupportedOperationException("Should not be called");
+        }
+
+        @Override
+        public EndpointConfiguration createConfiguration(String uri) throws Exception {
+            throw new UnsupportedOperationException("Should not be called");
+        }
+
+        @Override
+        public ComponentConfiguration createComponentConfiguration() {
+            throw new UnsupportedOperationException("Should not be called");
+        }
+
+        public boolean isFallback() {
+            return fallback;
+        }
+
+        public void setFallback(boolean fallback) {
+            this.fallback = fallback;
+        }
+    }
+
+}


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