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public class BeanWrapper extends BaseWrapper { private final Object object; private final MetaClass metaClass;
public BeanWrapper(MetaObject metaObject, Object object) { super(metaObject); this.object = object; this.metaClass = MetaClass.forClass(object.getClass(), metaObject.getReflectorFactory()); }
@Override public Object get(PropertyTokenizer prop) { if (prop.getIndex() != null) { Object collection = resolveCollection(prop, object); return getCollectionValue(prop, collection); } else { return getBeanProperty(prop, object); } }
@Override public void set(PropertyTokenizer prop, Object value) { if (prop.getIndex() != null) { Object collection = resolveCollection(prop, object); setCollectionValue(prop, collection, value); } else { setBeanProperty(prop, object, value); } }
@Override public String findProperty(String name, boolean useCamelCaseMapping) { return metaClass.findProperty(name, useCamelCaseMapping); }
@Override public String[] getGetterNames() { return metaClass.getGetterNames(); }
@Override public String[] getSetterNames() { return metaClass.getSetterNames(); }
@Override public Class<?> getSetterType(String name) { PropertyTokenizer prop = new PropertyTokenizer(name); if (prop.hasNext()) { MetaObject metaValue = metaObject.metaObjectForProperty(prop.getIndexedName()); if (metaValue == SystemMetaObject.NULL_META_OBJECT) { return metaClass.getSetterType(name); } else { return metaValue.getSetterType(prop.getChildren()); } } else { return metaClass.getSetterType(name); } }
@Override public Class<?> getGetterType(String name) { PropertyTokenizer prop = new PropertyTokenizer(name); if (prop.hasNext()) { MetaObject metaValue = metaObject.metaObjectForProperty(prop.getIndexedName()); if (metaValue == SystemMetaObject.NULL_META_OBJECT) { return metaClass.getGetterType(name); } else { return metaValue.getGetterType(prop.getChildren()); } } else { return metaClass.getGetterType(name); } }
@Override public boolean hasSetter(String name) { PropertyTokenizer prop = new PropertyTokenizer(name); if (prop.hasNext()) { if (metaClass.hasSetter(prop.getIndexedName())) { MetaObject metaValue = metaObject.metaObjectForProperty(prop.getIndexedName()); if (metaValue == SystemMetaObject.NULL_META_OBJECT) { return metaClass.hasSetter(name); } else { return metaValue.hasSetter(prop.getChildren()); } } else { return false; } } else { return metaClass.hasSetter(name); } }
@Override public boolean hasGetter(String name) { PropertyTokenizer prop = new PropertyTokenizer(name); if (prop.hasNext()) { if (metaClass.hasGetter(prop.getIndexedName())) { MetaObject metaValue = metaObject.metaObjectForProperty(prop.getIndexedName()); if (metaValue == SystemMetaObject.NULL_META_OBJECT) { return metaClass.hasGetter(name); } else { return metaValue.hasGetter(prop.getChildren()); } } else { return false; } } else { return metaClass.hasGetter(name); } }
@Override public MetaObject instantiatePropertyValue(String name, PropertyTokenizer prop, ObjectFactory objectFactory) { MetaObject metaValue; Class<?> type = getSetterType(prop.getName()); try { Object newObject = objectFactory.create(type); metaValue = MetaObject.forObject(newObject, metaObject.getObjectFactory(), metaObject.getObjectWrapperFactory(), metaObject.getReflectorFactory()); set(prop, newObject); } catch (Exception e) { throw new ReflectionException("Cannot set value of property '" + name + "' because '" + name + "' is null and cannot be instantiated on instance of " + type.getName() + ". Cause:" + e.toString(), e); } return metaValue; }
private Object getBeanProperty(PropertyTokenizer prop, Object object) { try { Invoker method = metaClass.getGetInvoker(prop.getName()); try { return method.invoke(object, NO_ARGUMENTS); } catch (Throwable t) { throw ExceptionUtil.unwrapThrowable(t); } } catch (RuntimeException e) { throw e; } catch (Throwable t) { throw new ReflectionException("Could not get property '" + prop.getName() + "' from " + object.getClass() + ". Cause: " + t.toString(), t); } }
private void setBeanProperty(PropertyTokenizer prop, Object object, Object value) { try { Invoker method = metaClass.getSetInvoker(prop.getName()); Object[] params = {value}; try { method.invoke(object, params); } catch (Throwable t) { throw ExceptionUtil.unwrapThrowable(t); } } catch (Throwable t) { throw new ReflectionException("Could not set property '" + prop.getName() + "' of '" + object.getClass() + "' with value '" + value + "' Cause: " + t.toString(), t); } }
@Override public boolean isCollection() { return false; }
@Override public void add(Object element) { throw new UnsupportedOperationException(); }
@Override public <E> void addAll(List<E> list) { throw new UnsupportedOperationException(); }
}
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