Coverage Report - org.mule.module.scripting.component.ScriptComponent
 
Classes in this File Line Coverage Branch Coverage Complexity
ScriptComponent
0%
0/37
0%
0/10
0
 
 1  
 /*
 2  
  * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 3  
  * The software in this package is published under the terms of the CPAL v1.0
 4  
  * license, a copy of which has been included with this distribution in the
 5  
  * LICENSE.txt file.
 6  
  */
 7  
 package org.mule.module.scripting.component;
 8  
 
 9  
 import org.mule.api.MuleEvent;
 10  
 import org.mule.api.MuleException;
 11  
 import org.mule.api.component.InterfaceBinding;
 12  
 import org.mule.api.lifecycle.InitialisationException;
 13  
 import org.mule.component.AbstractComponent;
 14  
 import org.mule.component.BindingInvocationHandler;
 15  
 import org.mule.util.ClassUtils;
 16  
 
 17  
 import java.lang.reflect.Proxy;
 18  
 import java.util.ArrayList;
 19  
 import java.util.HashMap;
 20  
 import java.util.Iterator;
 21  
 import java.util.List;
 22  
 import java.util.Map;
 23  
 
 24  
 import javax.script.Bindings;
 25  
 
 26  
 /**
 27  
  * A Script service backed by a JSR-223 compliant script engine such as
 28  
  * Groovy, JavaScript, or Rhino.
 29  
  */
 30  0
 public class ScriptComponent extends AbstractComponent
 31  
 {
 32  0
     protected List<InterfaceBinding> bindings = new ArrayList<InterfaceBinding>();
 33  
 
 34  
     private Scriptable script;
 35  
 
 36  
     private Map<String, Object> proxies;
 37  
 
 38  
     @Override
 39  
     protected void doInitialise() throws InitialisationException
 40  
     {
 41  0
         script.setMuleContext(muleContext);
 42  0
         super.doInitialise();
 43  
         try
 44  
         {
 45  0
             configureComponentBindings();
 46  
         }
 47  0
         catch (MuleException e)
 48  
         {
 49  0
             throw new InitialisationException(e, this);
 50  0
         }
 51  0
     }
 52  
 
 53  
     @Override
 54  
     protected Object doInvoke(MuleEvent event) throws Exception
 55  
     {
 56  
         // Set up initial script variables.
 57  0
         Bindings bindings = script.getScriptEngine().createBindings();
 58  0
         if (proxies.size() > 0)
 59  
         {
 60  0
             bindings.putAll(proxies);
 61  
         }
 62  0
         script.populateBindings(bindings, event);
 63  
         try
 64  
         {
 65  0
             return script.runScript(bindings);
 66  
         }
 67  0
         catch (Exception e)
 68  
         {
 69  
             // leave this catch block in place to help debug classloading issues
 70  0
             throw e;
 71  
         } finally {
 72  0
             bindings.clear();
 73  
         }
 74  
     }
 75  
 
 76  
     public Scriptable getScript()
 77  
     {
 78  0
         return script;
 79  
     }
 80  
 
 81  
     public void setScript(Scriptable script)
 82  
     {
 83  0
         this.script = script;
 84  0
     }
 85  
 
 86  
     public List<InterfaceBinding> getInterfaceBindings()
 87  
     {
 88  0
         return bindings;
 89  
     }
 90  
 
 91  
     public void setInterfaceBindings(List<InterfaceBinding> bindingCollection)
 92  
     {
 93  0
         this.bindings = bindingCollection;
 94  0
     }
 95  
 
 96  
     protected void configureComponentBindings() throws MuleException
 97  
     {
 98  0
         proxies = new HashMap<String, Object>();
 99  
         // Initialise the nested router and bind the endpoints to the methods using a
 100  
         // Proxy
 101  0
         if (bindings != null && bindings.size() > 0)
 102  
         {
 103  0
             for (Iterator<?> it = bindings.iterator(); it.hasNext();)
 104  
             {
 105  0
                 InterfaceBinding interfaceBinding = (InterfaceBinding) it.next();
 106  0
                 String bindingName = ClassUtils.getSimpleName(interfaceBinding.getInterface());
 107  0
                 if (proxies.containsKey(bindingName))
 108  
                 {
 109  0
                     Object proxy = proxies.get(bindingName);
 110  0
                     BindingInvocationHandler handler = (BindingInvocationHandler) Proxy.getInvocationHandler(proxy);
 111  0
                     handler.addRouterForInterface(interfaceBinding);
 112  0
                 }
 113  
                 else
 114  
                 {
 115  0
                     Object proxy = Proxy.newProxyInstance(muleContext.getExecutionClassLoader(),
 116  
                         new Class[]{interfaceBinding.getInterface()}, 
 117  
                         new BindingInvocationHandler(interfaceBinding));
 118  0
                     proxies.put(bindingName, proxy);
 119  
                 }
 120  0
             }
 121  
         }
 122  0
     }
 123  
 }