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Posted to commits@camel.apache.org by da...@apache.org on 2014/01/10 11:06:42 UTC

git commit: CAMEL-7122: camel-script resolves javascript using different alias names so eg ECMAScript/js/javaScript can find the script engine to use.

Updated Branches:
  refs/heads/camel-2.12.x 642a1d695 -> 3ad782cfe


CAMEL-7122: camel-script resolves javascript using different alias names so eg ECMAScript/js/javaScript can find the script engine to use.


Project: http://git-wip-us.apache.org/repos/asf/camel/repo
Commit: http://git-wip-us.apache.org/repos/asf/camel/commit/3ad782cf
Tree: http://git-wip-us.apache.org/repos/asf/camel/tree/3ad782cf
Diff: http://git-wip-us.apache.org/repos/asf/camel/diff/3ad782cf

Branch: refs/heads/camel-2.12.x
Commit: 3ad782cfe559fcb1db71c8f2f881918fdfde18cd
Parents: 642a1d6
Author: Claus Ibsen <da...@apache.org>
Authored: Fri Jan 10 11:08:34 2014 +0100
Committer: Claus Ibsen <da...@apache.org>
Committed: Fri Jan 10 11:10:32 2014 +0100

----------------------------------------------------------------------
 .../camel/builder/script/ScriptBuilder.java     | 33 ++++++++++---
 .../org/apache/camel/script/osgi/Activator.java | 22 +++++++--
 .../LanguageECMAScriptAsJavaScriptTest.java     | 51 ++++++++++++++++++++
 3 files changed, 96 insertions(+), 10 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/camel/blob/3ad782cf/components/camel-script/src/main/java/org/apache/camel/builder/script/ScriptBuilder.java
----------------------------------------------------------------------
diff --git a/components/camel-script/src/main/java/org/apache/camel/builder/script/ScriptBuilder.java b/components/camel-script/src/main/java/org/apache/camel/builder/script/ScriptBuilder.java
index a0228ea..7fb1382 100644
--- a/components/camel-script/src/main/java/org/apache/camel/builder/script/ScriptBuilder.java
+++ b/components/camel-script/src/main/java/org/apache/camel/builder/script/ScriptBuilder.java
@@ -293,20 +293,39 @@ public class ScriptBuilder extends ServiceSupport implements Expression, Predica
         return ObjectConverter.toBool(scriptValue);
     }
 
+    private static String[] getScriptNames(String name) {
+        if (name.equals("js")) {
+            return new String[]{"js", "javaScript", "ECMAScript"};
+        } else if (name.equals("javaScript")) {
+            return new String[]{"javaScript", "js", "ECMAScript"};
+        } else if (name.equals("ECMAScript")) {
+            return new String[]{"ECMAScript", "javaScript", "js"};
+        }
+        return new String[]{name};
+    }
+
     protected ScriptEngine createScriptEngine() {
         ScriptEngineManager manager = new ScriptEngineManager();
         ScriptEngine engine = null;
-        try {
-            engine = manager.getEngineByName(scriptEngineName);
-        } catch (NoClassDefFoundError ex) {
-            LOG.error("Cannot load the scriptEngine for " + scriptEngineName + ", the exception is " + ex
-                      + ", please ensure correct JARs is provided on classpath.");
+
+        // some script names has alias
+        String[] names = getScriptNames(scriptEngineName);
+        for (String name : names) {
+            try {
+                engine = manager.getEngineByName(name);
+                if (engine != null) {
+                    break;
+                }
+            } catch (NoClassDefFoundError ex) {
+                LOG.error("Cannot load the scriptEngine for " + name + ", the exception is " + ex
+                          + ", please ensure correct JARs is provided on classpath.");
+            }
         }
         if (engine == null) {
             engine = checkForOSGiEngine();
         }
         if (engine == null) {
-            throw new IllegalArgumentException("No script engine could be created for: " + getScriptEngineName());
+            throw new IllegalArgumentException("No script engine could be created for: " + scriptEngineName);
         }
         if (isPython()) {
             ScriptContext context = engine.getContext();
@@ -316,7 +335,7 @@ public class ScriptBuilder extends ServiceSupport implements Expression, Predica
     }
 
     private ScriptEngine checkForOSGiEngine() {
-        LOG.debug("No script engine found for " + scriptEngineName + " using standard javax.script auto-registration.  Checking OSGi registry...");
+        LOG.debug("No script engine found for " + scriptEngineName + " using standard javax.script auto-registration. Checking OSGi registry...");
         try {
             // Test the OSGi environment with the Activator
             Class<?> c = Class.forName("org.apache.camel.script.osgi.Activator");

http://git-wip-us.apache.org/repos/asf/camel/blob/3ad782cf/components/camel-script/src/main/java/org/apache/camel/script/osgi/Activator.java
----------------------------------------------------------------------
diff --git a/components/camel-script/src/main/java/org/apache/camel/script/osgi/Activator.java b/components/camel-script/src/main/java/org/apache/camel/script/osgi/Activator.java
index e8f5b81..3dd1c73 100644
--- a/components/camel-script/src/main/java/org/apache/camel/script/osgi/Activator.java
+++ b/components/camel-script/src/main/java/org/apache/camel/script/osgi/Activator.java
@@ -117,7 +117,6 @@ public class Activator implements BundleActivator, BundleTrackerCustomizer {
         return null;
     }
 
-
     protected void registerScriptEngines(Bundle bundle, List<BundleScriptEngineResolver> resolvers) {
         URL configURL = null;
         for (Enumeration<?> e = bundle.findEntries(META_INF_SERVICES_DIR, SCRIPT_ENGINE_SERVICE_FILE, false); e != null && e.hasMoreElements();) {
@@ -128,9 +127,11 @@ public class Activator implements BundleActivator, BundleTrackerCustomizer {
             resolvers.add(new BundleScriptEngineResolver(bundle, configURL));
         }
     } 
+
     public interface ScriptEngineResolver {
         ScriptEngine resolveScriptEngine(String name);
     }
+
     protected static class BundleScriptEngineResolver implements ScriptEngineResolver {
         protected final Bundle bundle;
         private ServiceRegistration reg;
@@ -140,13 +141,15 @@ public class Activator implements BundleActivator, BundleTrackerCustomizer {
             this.bundle = bundle;
             this.configFile = configFile;
         }
+
         public void register() {
-            reg = bundle.getBundleContext().registerService(ScriptEngineResolver.class.getName(), 
-                                                            this, null);
+            reg = bundle.getBundleContext().registerService(ScriptEngineResolver.class.getName(), this, null);
         }
+
         public void unregister() {
             reg.unregister();
         }
+
         public ScriptEngine resolveScriptEngine(String name) {
             try {
                 BufferedReader in = IOHelper.buffered(new InputStreamReader(configFile.openStream()));
@@ -181,6 +184,19 @@ public class Activator implements BundleActivator, BundleTrackerCustomizer {
             }
         }
 
+        private boolean matchEngine(String name, String engineName) {
+            if (name.equals(engineName)) {
+                return true;
+            }
+
+            // javascript have many aliases
+            if (name.equals("js") || name.equals("javaScript") || name.equals("ECMAScript")) {
+                return engineName.equals("js") || engineName.equals("javaScript") || engineName.equals("ECMAScript");
+            }
+
+            return false;
+        }
+
         @Override
         public String toString() {
             return "OSGi script engine resolver for " + bundle.getSymbolicName();

http://git-wip-us.apache.org/repos/asf/camel/blob/3ad782cf/components/camel-script/src/test/java/org/apache/camel/builder/script/LanguageECMAScriptAsJavaScriptTest.java
----------------------------------------------------------------------
diff --git a/components/camel-script/src/test/java/org/apache/camel/builder/script/LanguageECMAScriptAsJavaScriptTest.java b/components/camel-script/src/test/java/org/apache/camel/builder/script/LanguageECMAScriptAsJavaScriptTest.java
new file mode 100644
index 0000000..0c214ab
--- /dev/null
+++ b/components/camel-script/src/test/java/org/apache/camel/builder/script/LanguageECMAScriptAsJavaScriptTest.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.builder.script;
+
+import org.apache.camel.builder.RouteBuilder;
+import org.apache.camel.component.mock.MockEndpoint;
+import org.apache.camel.test.junit4.CamelTestSupport;
+import org.junit.Ignore;
+import org.junit.Test;
+
+/**
+ * Tests a routing expression using ECMAScript which will be resolved as java script
+ */
+@Ignore("May fail on CI servers")
+public class LanguageECMAScriptAsJavaScriptTest extends CamelTestSupport {
+
+    @Test
+    public void testSendMatchingMessage() throws Exception {
+        MockEndpoint mock = getMockEndpoint("mock:result");
+        mock.expectedBodiesReceived(7, 9);
+
+        sendBody("direct:start", 3);
+        sendBody("direct:start", 4);
+
+        assertMockEndpointsSatisfied();
+    }
+
+    protected RouteBuilder createRouteBuilder() throws Exception {
+        return new RouteBuilder() {
+            public void configure() throws Exception {
+                from("direct:start")
+                    .to("language:ECMAScript:classpath:myJavascript.js")
+                    .to("mock:result");
+            }
+        };
+    }
+}