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package org.mule.object; |
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import org.mule.api.MuleContext; |
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import org.mule.api.construct.FlowConstruct; |
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import org.mule.api.construct.FlowConstructAware; |
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import org.mule.api.lifecycle.InitialisationCallback; |
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import org.mule.api.lifecycle.InitialisationException; |
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import org.mule.api.object.ObjectFactory; |
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import org.mule.api.service.Service; |
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import org.mule.api.service.ServiceAware; |
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import org.mule.config.i18n.MessageFactory; |
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import org.mule.util.BeanUtils; |
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import org.mule.util.ClassUtils; |
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import java.util.ArrayList; |
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import java.util.List; |
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import java.util.Map; |
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import org.apache.commons.logging.Log; |
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import org.apache.commons.logging.LogFactory; |
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public abstract class AbstractObjectFactory implements ObjectFactory, FlowConstructAware |
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{ |
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public static final String ATTRIBUTE_OBJECT_CLASS_NAME = "objectClassName"; |
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public static final String ATTRIBUTE_OBJECT_CLASS = "objectClass"; |
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protected String objectClassName; |
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protected Class<?> objectClass; |
44 | 0 | protected Map properties = null; |
45 | 0 | protected List<InitialisationCallback> initialisationCallbacks = new ArrayList<InitialisationCallback>(); |
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protected FlowConstruct flowConstruct; |
47 | 0 | protected boolean disposed = false; |
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49 | 0 | protected transient Log logger = LogFactory.getLog(getClass()); |
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public AbstractObjectFactory() |
55 | 0 | { |
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57 | 0 | } |
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public AbstractObjectFactory(String objectClassName) |
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{ |
61 | 0 | this(objectClassName, null); |
62 | 0 | } |
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public AbstractObjectFactory(String objectClassName, Map properties) |
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{ |
66 | 0 | super(); |
67 | 0 | this.objectClassName = objectClassName; |
68 | 0 | this.properties = properties; |
69 | 0 | setupObjectClassFromObjectClassName(); |
70 | 0 | } |
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public AbstractObjectFactory(Class<?> objectClass) |
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{ |
74 | 0 | this(objectClass, null); |
75 | 0 | } |
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public AbstractObjectFactory(Class<?> objectClass, Map properties) |
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{ |
79 | 0 | super(); |
80 | 0 | this.objectClassName = objectClass.getName(); |
81 | 0 | this.objectClass = objectClass; |
82 | 0 | this.properties = properties; |
83 | 0 | } |
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protected Class<?> setupObjectClassFromObjectClassName() |
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{ |
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try |
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{ |
89 | 0 | Class<?> klass = ClassUtils.getClass(objectClassName); |
90 | 0 | objectClass = klass; |
91 | 0 | return klass; |
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} |
93 | 0 | catch (ClassNotFoundException e) |
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{ |
95 | 0 | throw new IllegalArgumentException(e); |
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} |
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} |
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public void setFlowConstruct(FlowConstruct flowConstruct) |
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{ |
101 | 0 | this.flowConstruct = flowConstruct; |
102 | 0 | } |
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public void initialise() throws InitialisationException |
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{ |
106 | 0 | if ((objectClassName == null) || (objectClass == null)) |
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{ |
108 | 0 | throw new InitialisationException( |
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MessageFactory.createStaticMessage("Object factory has not been initialized."), this); |
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} |
111 | 0 | disposed = false; |
112 | 0 | } |
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public void dispose() |
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{ |
116 | 0 | disposed = true; |
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|
118 | 0 | } |
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public Object getInstance(MuleContext muleContext) throws Exception |
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{ |
130 | 0 | if (objectClass == null || disposed) |
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{ |
132 | 0 | throw new InitialisationException( |
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MessageFactory.createStaticMessage("Object factory has not been initialized."), this); |
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} |
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|
136 | 0 | Object object = ClassUtils.instanciateClass(objectClass); |
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|
138 | 0 | if (properties != null) |
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{ |
140 | 0 | BeanUtils.populateWithoutFail(object, properties, true); |
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} |
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|
143 | 0 | if (object instanceof FlowConstructAware) |
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{ |
145 | 0 | ((FlowConstructAware) object).setFlowConstruct(flowConstruct); |
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} |
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|
148 | 0 | if (object instanceof ServiceAware && flowConstruct instanceof Service) |
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{ |
150 | 0 | ((ServiceAware) object).setService((Service) flowConstruct); |
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} |
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|
153 | 0 | if (isAutoWireObject()) |
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{ |
155 | 0 | muleContext.getRegistry().applyProcessors(object); |
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} |
157 | 0 | fireInitialisationCallbacks(object); |
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|
159 | 0 | return object; |
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} |
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protected void fireInitialisationCallbacks(Object component) throws InitialisationException |
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{ |
164 | 0 | for (InitialisationCallback callback : initialisationCallbacks) |
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{ |
166 | 0 | callback.initialise(component); |
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} |
168 | 0 | } |
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public Class<?> getObjectClass() |
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{ |
172 | 0 | return objectClass; |
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} |
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public void setObjectClass(Class<?> objectClass) |
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{ |
177 | 0 | this.objectClass = objectClass; |
178 | 0 | this.objectClassName = objectClass.getName(); |
179 | 0 | } |
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protected String getObjectClassName() |
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{ |
183 | 0 | return objectClassName; |
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} |
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public void setObjectClassName(String objectClassName) |
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{ |
188 | 0 | this.objectClassName = objectClassName; |
189 | 0 | setupObjectClassFromObjectClassName(); |
190 | 0 | } |
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protected Map getProperties() |
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{ |
194 | 0 | return properties; |
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} |
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public void setProperties(Map properties) |
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{ |
199 | 0 | this.properties = properties; |
200 | 0 | } |
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public void addObjectInitialisationCallback(InitialisationCallback callback) |
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{ |
204 | 0 | initialisationCallbacks.add(callback); |
205 | 0 | } |
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public boolean isSingleton() |
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{ |
209 | 0 | return false; |
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} |
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public boolean isExternallyManagedLifecycle() |
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{ |
214 | 0 | return false; |
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} |
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public boolean isAutoWireObject() |
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{ |
219 | 0 | return true; |
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} |
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} |