Java Code Examples for org.omg.CORBA.portable.StreamableValue

The following examples show how to use org.omg.CORBA.portable.StreamableValue. These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
private void writeIDLValue(Serializable object, String repID)
{
    if (object instanceof StreamableValue) {
        ((StreamableValue)object)._write(parent);

    } else if (object instanceof CustomValue) {
        ((CustomValue)object).marshal(parent);

    } else {
        BoxedValueHelper helper = Utility.getHelper(object.getClass(), null, repID);
        boolean isCustom = false;
        if (helper instanceof ValueHelper && object instanceof CustomMarshal) {
            try {
                if (((ValueHelper)helper).get_type().type_modifier() == VM_CUSTOM.value)
                    isCustom = true;
            } catch(BadKind ex) {
                throw wrapper.badTypecodeForCustomValue( CompletionStatus.COMPLETED_MAYBE,
                    ex ) ;
            }
        }
        if (isCustom)
            ((CustomMarshal)object).marshal(parent);
        else
            helper.write_value(parent, object);
    }
}
 
Example 2
private void writeIDLValue(Serializable object, String repID)
{
    if (object instanceof StreamableValue) {
        ((StreamableValue)object)._write(parent);

    } else if (object instanceof CustomValue) {
        ((CustomValue)object).marshal(parent);

    } else {
        BoxedValueHelper helper = Utility.getHelper(object.getClass(), null, repID);
        boolean isCustom = false;
        if (helper instanceof ValueHelper && object instanceof CustomMarshal) {
            try {
                if (((ValueHelper)helper).get_type().type_modifier() == VM_CUSTOM.value)
                    isCustom = true;
            } catch(BadKind ex) {
                throw wrapper.badTypecodeForCustomValue( CompletionStatus.COMPLETED_MAYBE,
                    ex ) ;
            }
        }
        if (isCustom)
            ((CustomMarshal)object).marshal(parent);
        else
            helper.write_value(parent, object);
    }
}
 
Example 3
Source Project: jdk8u60   Source File: CDROutputStream_1_0.java    License: GNU General Public License v2.0 6 votes vote down vote up
private void writeIDLValue(Serializable object, String repID)
{
    if (object instanceof StreamableValue) {
        ((StreamableValue)object)._write(parent);

    } else if (object instanceof CustomValue) {
        ((CustomValue)object).marshal(parent);

    } else {
        BoxedValueHelper helper = Utility.getHelper(object.getClass(), null, repID);
        boolean isCustom = false;
        if (helper instanceof ValueHelper && object instanceof CustomMarshal) {
            try {
                if (((ValueHelper)helper).get_type().type_modifier() == VM_CUSTOM.value)
                    isCustom = true;
            } catch(BadKind ex) {
                throw wrapper.badTypecodeForCustomValue( CompletionStatus.COMPLETED_MAYBE,
                    ex ) ;
            }
        }
        if (isCustom)
            ((CustomMarshal)object).marshal(parent);
        else
            helper.write_value(parent, object);
    }
}
 
Example 4
Source Project: JDKSourceCode1.8   Source File: CDROutputStream_1_0.java    License: MIT License 6 votes vote down vote up
private void writeIDLValue(Serializable object, String repID)
{
    if (object instanceof StreamableValue) {
        ((StreamableValue)object)._write(parent);

    } else if (object instanceof CustomValue) {
        ((CustomValue)object).marshal(parent);

    } else {
        BoxedValueHelper helper = Utility.getHelper(object.getClass(), null, repID);
        boolean isCustom = false;
        if (helper instanceof ValueHelper && object instanceof CustomMarshal) {
            try {
                if (((ValueHelper)helper).get_type().type_modifier() == VM_CUSTOM.value)
                    isCustom = true;
            } catch(BadKind ex) {
                throw wrapper.badTypecodeForCustomValue( CompletionStatus.COMPLETED_MAYBE,
                    ex ) ;
            }
        }
        if (isCustom)
            ((CustomMarshal)object).marshal(parent);
        else
            helper.write_value(parent, object);
    }
}
 
Example 5
private void writeIDLValue(Serializable object, String repID)
{
    if (object instanceof StreamableValue) {
        ((StreamableValue)object)._write(parent);

    } else if (object instanceof CustomValue) {
        ((CustomValue)object).marshal(parent);

    } else {
        BoxedValueHelper helper = Utility.getHelper(object.getClass(), null, repID);
        boolean isCustom = false;
        if (helper instanceof ValueHelper && object instanceof CustomMarshal) {
            try {
                if (((ValueHelper)helper).get_type().type_modifier() == VM_CUSTOM.value)
                    isCustom = true;
            } catch(BadKind ex) {
                throw wrapper.badTypecodeForCustomValue( CompletionStatus.COMPLETED_MAYBE,
                    ex ) ;
            }
        }
        if (isCustom)
            ((CustomMarshal)object).marshal(parent);
        else
            helper.write_value(parent, object);
    }
}
 
Example 6
private void writeIDLValue(Serializable object, String repID)
{
    if (object instanceof StreamableValue) {
        ((StreamableValue)object)._write(parent);

    } else if (object instanceof CustomValue) {
        ((CustomValue)object).marshal(parent);

    } else {
        BoxedValueHelper helper = Utility.getHelper(object.getClass(), null, repID);
        boolean isCustom = false;
        if (helper instanceof ValueHelper && object instanceof CustomMarshal) {
            try {
                if (((ValueHelper)helper).get_type().type_modifier() == VM_CUSTOM.value)
                    isCustom = true;
            } catch(BadKind ex) {
                throw wrapper.badTypecodeForCustomValue( CompletionStatus.COMPLETED_MAYBE,
                    ex ) ;
            }
        }
        if (isCustom)
            ((CustomMarshal)object).marshal(parent);
        else
            helper.write_value(parent, object);
    }
}
 
Example 7
private void writeIDLValue(Serializable object, String repID)
{
    if (object instanceof StreamableValue) {
        ((StreamableValue)object)._write(parent);

    } else if (object instanceof CustomValue) {
        ((CustomValue)object).marshal(parent);

    } else {
        BoxedValueHelper helper = Utility.getHelper(object.getClass(), null, repID);
        boolean isCustom = false;
        if (helper instanceof ValueHelper && object instanceof CustomMarshal) {
            try {
                if (((ValueHelper)helper).get_type().type_modifier() == VM_CUSTOM.value)
                    isCustom = true;
            } catch(BadKind ex) {
                throw wrapper.badTypecodeForCustomValue( CompletionStatus.COMPLETED_MAYBE,
                    ex ) ;
            }
        }
        if (isCustom)
            ((CustomMarshal)object).marshal(parent);
        else
            helper.write_value(parent, object);
    }
}
 
Example 8
Source Project: hottub   Source File: CDROutputStream_1_0.java    License: GNU General Public License v2.0 6 votes vote down vote up
private void writeIDLValue(Serializable object, String repID)
{
    if (object instanceof StreamableValue) {
        ((StreamableValue)object)._write(parent);

    } else if (object instanceof CustomValue) {
        ((CustomValue)object).marshal(parent);

    } else {
        BoxedValueHelper helper = Utility.getHelper(object.getClass(), null, repID);
        boolean isCustom = false;
        if (helper instanceof ValueHelper && object instanceof CustomMarshal) {
            try {
                if (((ValueHelper)helper).get_type().type_modifier() == VM_CUSTOM.value)
                    isCustom = true;
            } catch(BadKind ex) {
                throw wrapper.badTypecodeForCustomValue( CompletionStatus.COMPLETED_MAYBE,
                    ex ) ;
            }
        }
        if (isCustom)
            ((CustomMarshal)object).marshal(parent);
        else
            helper.write_value(parent, object);
    }
}
 
Example 9
private void writeIDLValue(Serializable object, String repID)
{
    if (object instanceof StreamableValue) {
        ((StreamableValue)object)._write(parent);

    } else if (object instanceof CustomValue) {
        ((CustomValue)object).marshal(parent);

    } else {
        BoxedValueHelper helper = Utility.getHelper(object.getClass(), null, repID);
        boolean isCustom = false;
        if (helper instanceof ValueHelper && object instanceof CustomMarshal) {
            try {
                if (((ValueHelper)helper).get_type().type_modifier() == VM_CUSTOM.value)
                    isCustom = true;
            } catch(BadKind ex) {
                throw wrapper.badTypecodeForCustomValue( CompletionStatus.COMPLETED_MAYBE,
                    ex ) ;
            }
        }
        if (isCustom)
            ((CustomMarshal)object).marshal(parent);
        else
            helper.write_value(parent, object);
    }
}
 
Example 10
private void writeIDLValue(Serializable object, String repID)
{
    if (object instanceof StreamableValue) {
        ((StreamableValue)object)._write(parent);

    } else if (object instanceof CustomValue) {
        ((CustomValue)object).marshal(parent);

    } else {
        BoxedValueHelper helper = Utility.getHelper(object.getClass(), null, repID);
        boolean isCustom = false;
        if (helper instanceof ValueHelper && object instanceof CustomMarshal) {
            try {
                if (((ValueHelper)helper).get_type().type_modifier() == VM_CUSTOM.value)
                    isCustom = true;
            } catch(BadKind ex) {
                throw wrapper.badTypecodeForCustomValue( CompletionStatus.COMPLETED_MAYBE,
                    ex ) ;
            }
        }
        if (isCustom)
            ((CustomMarshal)object).marshal(parent);
        else
            helper.write_value(parent, object);
    }
}
 
Example 11
Source Project: jdk1.8-source-analysis   Source File: CDRInputStream_1_0.java    License: Apache License 2.0 5 votes vote down vote up
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);
}
 
Example 12
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);
}
 
Example 13
Source Project: jdk8u60   Source File: CDRInputStream_1_0.java    License: GNU General Public License v2.0 5 votes vote down vote up
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);
}
 
Example 14
Source Project: JDKSourceCode1.8   Source File: CDRInputStream_1_0.java    License: MIT License 5 votes vote down vote up
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);
}
 
Example 15
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);
}
 
Example 16
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);
}
 
Example 17
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);
}
 
Example 18
Source Project: hottub   Source File: CDRInputStream_1_0.java    License: GNU General Public License v2.0 5 votes vote down vote up
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);
}
 
Example 19
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);
}
 
Example 20
Source Project: openjdk-8   Source File: CDRInputStream_1_0.java    License: GNU General Public License v2.0 5 votes vote down vote up
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);
}