#

# Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

# All rights reserved.

# This component and the accompanying materials are made available

# under the terms of "Eclipse Public License v1.0"

# which accompanies this distribution, and is available

# at the URL "http://www.eclipse.org/legal/epl-v10.html".

#

# Initial Contributors:

# Nokia Corporation - initial contribution.

#

# Contributors:

#

# Description:

#

import exampleml_impl

import exampleml_model

class ExamplemlReader(plugin.ReaderBase):

    NAMESPACE = 'http://www.example.org/xml/exampleml/1'

    FILE_EXTENSIONS = ['exampleml']

    @classmethod

    def read_impl(cls, resource_ref, configuration, etree):

        reader = ExamplemlReader()

        outputs = reader._read_outputs(etree)

        return exampleml_impl.ExamplemlImpl(resource_ref, configuration, outputs)

    def _read_outputs(self, elem):

        """

        Read output objects from the given XML element.

        """

        result = []

        for subelem in elem.findall("{%s}output" % self.NAMESPACE):

            result.append(self._read_output_elem(subelem))

        return result

    def _read_output_elem(self, elem):

        """

        Read an <output> element into an Output object.

        """

        file = elem.get('file')

        if file is None:

            raise exceptions.ParseError("Element <output> does not have the mandatory 'file' attribute")

        return exampleml_model.Output(file     = file,

                                      encoding = elem.get('encoding', 'UTF-8'),