AbstractSpringArg.java

   1 package org.argeo.slc.ant.spring;
   2
   3 import java.util.List;
   4 import java.util.Vector;
   5
   6 import org.springframework.beans.BeanWrapper;
   7 import org.springframework.beans.BeanWrapperImpl;
   8 import org.springframework.context.ApplicationContext;
   9
  10 import org.apache.tools.ant.types.DataType;
  11
  12 import org.argeo.slc.ant.SlcProjectHelper;
  13
  14 /** Abstract Ant type wrapping a Spring bean. */
  15 public abstract class AbstractSpringArg extends DataType {
  16         private List<OverrideArg> overrides = new Vector<OverrideArg>();
  17
  18         private String bean;
  19
  20         /** The <u>name</u> of the underlying bean, as set throught the attribute. */
  21         public String getBean() {
  22                 return bean;
  23         }
  24
  25         /** Setter for the bean name. */
  26         public void setBean(String bean) {
  27                 this.bean = bean;
  28         }
  29
  30         /**
  31          * Retrieve the instance of the bean. <b>If teh underlying Spring bean is a
  32          * prototype, it will instanciated each time.</b>
  33          */
  34         protected Object getBeanInstance() {
  35                 Object obj = getContext().getBean(bean);
  36
  37                 BeanWrapper wrapper = new BeanWrapperImpl(obj);
  38                 for (OverrideArg override : overrides) {
  39                         wrapper.setPropertyValue(override.getName(), override.getObject());
  40                 }
  41
  42                 return obj;
  43         }
  44
  45         /** Creates an override subtag.*/
  46         public OverrideArg createOverride() {
  47                 OverrideArg propertyArg = new OverrideArg();
  48                 overrides.add(propertyArg);
  49                 return propertyArg;
  50         }
  51
  52         /** The related Spring application context.*/
  53         protected ApplicationContext getContext() {
  54                 return (ApplicationContext) getProject().getReference(
  55                                 SlcProjectHelper.REF_ROOT_CONTEXT);
  56         }
  57
  58 }