Java BoxedValueHelper.read_value方法代码示例

import org.omg.CORBA.portable.BoxedValueHelper; //导入方法依赖的package包/类
private java.lang.Object readIDLValue(int indirection, String repId,
                                      Class clazz, String codebase)
{
    ValueFactory factory ;

    // Always try to find a ValueFactory first, as required by the spec.
    // There are some complications here in the IDL 3.0 mapping (see 1.13.8),
    // but basically we must always be able to override the DefaultFactory
    // or Helper mappings that are also used.  This appears to be the case
    // even in the boxed value cases.  The original code only did the lookup
    // in the case of class implementing either StreamableValue or CustomValue,
    // but abstract valuetypes only implement ValueBase, and really require
    // the use of the repId to find a factory (including the DefaultFactory).
    try {
        // use new-style OBV support (factory object)
        factory = Utility.getFactory(clazz, codebase, orb, repId);
    } catch (MARSHAL marshal) {
        // XXX log marshal at one of the INFO levels

        // Could not get a factory, so try alternatives
        if (!StreamableValue.class.isAssignableFrom(clazz) &&
            !CustomValue.class.isAssignableFrom(clazz) &&
            ValueBase.class.isAssignableFrom(clazz)) {
            // use old-style OBV support (helper object)
            BoxedValueHelper helper = Utility.getHelper(clazz, codebase, repId);
            if (helper instanceof ValueHelper)
                return readIDLValueWithHelper((ValueHelper)helper, indirection);
            else
                return helper.read_value(parent);
        } else {
            // must be a boxed IDLEntity, so make a reflective call to the
            // helper's static read method...
            return readBoxedIDLEntity(clazz, codebase);
        }
    }

    // If there was no error in getting the factory, use it.
    valueIndirection = indirection;  // for callback
    return factory.read_value(parent);
}
 

import org.omg.CORBA.portable.BoxedValueHelper; //导入方法依赖的package包/类
/**
 * Tries to read using boxed value helper.
 */
public Serializable read_value(BoxedValueHelper helper)
{
  if (subsequentCalls)
    return stream.read_value(helper);
  else
    {
      subsequentCalls = true;
      return helper.read_value(this);
    }
}