symfony/src/Symfony/Bundle/FrameworkBundle/Resources/config/validator.xml

<?xml version="1.0" ?>

<container xmlns="http://www.symfony-project.org/schema/dic/services"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://www.symfony-project.org/schema/dic/services http://www.symfony-project.org/schema/dic/services/services-1.0.xsd">

    <parameters>
        <parameter key="validator.class">Symfony\Component\Validator\Validator</parameter>
        <parameter key="validator.mapping.class_metadata_factory.class">Symfony\Component\Validator\Mapping\ClassMetadataFactory</parameter>
        <parameter key="validator.mapping.loader.loader_chain.class">Symfony\Component\Validator\Mapping\Loader\LoaderChain</parameter>
        <parameter key="validator.mapping.loader.static_method_loader.class">Symfony\Component\Validator\Mapping\Loader\StaticMethodLoader</parameter>
        <parameter key="validator.mapping.loader.annotation_loader.class">Symfony\Component\Validator\Mapping\Loader\AnnotationLoader</parameter>
        <parameter key="validator.mapping.loader.xml_file_loader.class">Symfony\Component\Validator\Mapping\Loader\XmlFileLoader</parameter>
        <parameter key="validator.mapping.loader.yaml_file_loader.class">Symfony\Component\Validator\Mapping\Loader\YamlFileLoader</parameter>
        <parameter key="validator.mapping.loader.xml_files_loader.class">Symfony\Component\Validator\Mapping\Loader\XmlFilesLoader</parameter>
        <parameter key="validator.mapping.loader.yaml_files_loader.class">Symfony\Component\Validator\Mapping\Loader\YamlFilesLoader</parameter>
        <parameter key="validator.mapping.loader.static_method_loader.method_name">loadValidatorMetadata</parameter>
        <parameter key="validator.validator_factory.class">Symfony\Bundle\FrameworkBundle\Validator\ConstraintValidatorFactory</parameter>
        <parameter key="validator.annotations.namespaces" type="collection">
            <parameter key="validation">Symfony\Component\Validator\Constraints\</parameter>
        </parameter>
    </parameters>

    <services>
        <service id="validator" class="%validator.class%">
            <argument type="service" id="validator.mapping.class_metadata_factory" />
            <argument type="service" id="validator.validator_factory" />
        </service>

        <service id="validator.mapping.class_metadata_factory" class="%validator.mapping.class_metadata_factory.class%">
            <argument type="service" id="validator.mapping.loader.loader_chain" />
        </service>

        <service id="validator.validator_factory" class="%validator.validator_factory.class%">
            <argument type="service" id="service_container" />
            <call method="loadTaggedServiceIds">
                <argument type="service" id="service_container" />
            </call>
        </service>

        <service id="validator.mapping.loader.loader_chain" class="%validator.mapping.loader.loader_chain.class%">
            <argument type="collection">
                <argument type="service" id="validator.mapping.loader.static_method_loader" />
                <argument type="service" id="validator.mapping.loader.xml_files_loader" />
                <argument type="service" id="validator.mapping.loader.yaml_files_loader" />
            </argument>
        </service>

        <service id="validator.mapping.loader.static_method_loader" class="%validator.mapping.loader.static_method_loader.class%">
            <argument>%validator.mapping.loader.static_method_loader.method_name%</argument>
        </service>

    </services>
</container>