fix #168--allow javascript resource extensions and set content-type accordingly

Author: sammefford

src/main/java/com/marklogic/client/impl/ResourceExtensionsImpl.java

@@ -23,6 +23,7 @@
 
 import com.marklogic.client.DatabaseClientFactory.HandleFactoryRegistry;
 import com.marklogic.client.admin.ExtensionMetadata;
+import com.marklogic.client.admin.ExtensionMetadata.ScriptLanguage;
 import com.marklogic.client.admin.ResourceExtensionsManager;
 import com.marklogic.client.io.Format;
 import com.marklogic.client.io.marker.ContentHandle;
@@ -134,7 +135,7 @@ public <T extends TextReadHandle> T readServices(String resourceName, T sourceHa
 
 		sourceBase.receiveContent(
 				services.getValue(requestLogger, "config/resources", resourceName, true,
-				"application/xquery", sourceBase.receiveAs())
+				sourceBase.getMimetype(), sourceBase.receiveAs())
 				);
 
 		return sourceHandle;
@@ -192,9 +193,17 @@ public void writeServices(
 				}
 			}
 		}
+        String contentType = null;
+        if ( metadata.getScriptLanguage() == null ) {
+            throw new IllegalArgumentException("scriptLanguage cannot be null");
+        } else if ( metadata.getScriptLanguage() == ScriptLanguage.JAVASCRIPT ) {
+            contentType = "application/vnd.marklogic-javascript";
+        } else if ( metadata.getScriptLanguage() == ScriptLanguage.XQUERY ) {
+            contentType = "application/xquery";
+        } 
 
 		services.putValue(requestLogger, "config/resources", resourceName, extraParams,
-				"application/xquery", sourceBase);
+				contentType, sourceBase);
 	}
 
 	@Override

src/test/java/com/marklogic/client/test/example/cookbook/JavascriptExtensionTest.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2012-2014 MarkLogic Corporation
+ *
+ * Licensed 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 com.marklogic.client.test.example.cookbook;
+
+import static org.junit.Assert.assertTrue;
+
+import java.io.IOException;
+
+import org.junit.Test;
+
+import com.marklogic.client.example.cookbook.JavascriptResourceExtension;
+
+public class JavascriptExtensionTest {
+	@Test
+	public void testMain() {
+        //System.setProperty("org.apache.commons.logging.simplelog.log.org.apache.http.wire", "debug");
+		boolean succeeded = false;
+		try {
+			JavascriptResourceExtension.main(new String[0]);
+			succeeded = true;
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+		assertTrue("JavascriptResourceExtension example failed", succeeded);
+	}
+}