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/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2012, Red Hat, Inc., and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.jboss.as.ejb3.subsystem;

import java.util.EnumSet;
import java.util.List;

import javax.xml.stream.XMLStreamException;

import org.jboss.dmr.ModelNode;
import org.jboss.staxmapper.XMLExtendedStreamReader;

import static org.jboss.as.controller.parsing.ParseUtils.missingRequired;
import static org.jboss.as.controller.parsing.ParseUtils.requireNoContent;
import static org.jboss.as.controller.parsing.ParseUtils.requireNoNamespaceAttribute;
import static org.jboss.as.controller.parsing.ParseUtils.unexpectedAttribute;


/**
 */
public class EJB3Subsystem14Parser extends EJB3Subsystem13Parser {

    public static final EJB3Subsystem14Parser INSTANCE = new EJB3Subsystem14Parser();

    protected EJB3Subsystem14Parser() {
    }

    @Override
    protected void readElement(final XMLExtendedStreamReader reader, final EJB3SubsystemXMLElement element, final List operations, final ModelNode ejb3SubsystemAddOperation) throws XMLStreamException {
        switch (element) {
            case DEFAULT_SECURITY_DOMAIN: {
                parseDefaultSecurityDomain(reader, ejb3SubsystemAddOperation);
                break;
            }
            case DEFAULT_MISSING_METHOD_PERMISSIONS_DENY_ACCESS: {
                parseDefaultMissingMethodPermissionsDenyAccess(reader, ejb3SubsystemAddOperation);
                break;
            }
            default: {
                super.readElement(reader, element, operations, ejb3SubsystemAddOperation);
            }
        }
    }


    @Override
    protected EJB3SubsystemNamespace getExpectedNamespace() {
        return EJB3SubsystemNamespace.EJB3_1_4;
    }

    private void parseDefaultSecurityDomain(final XMLExtendedStreamReader reader, final ModelNode ejb3SubsystemAddOperation) throws XMLStreamException {
        final int count = reader.getAttributeCount();
        final EnumSet missingRequiredAttributes = EnumSet.of(EJB3SubsystemXMLAttribute.VALUE);
        for (int i = 0; i < count; i++) {
            requireNoNamespaceAttribute(reader, i);
            final String value = reader.getAttributeValue(i);
            final EJB3SubsystemXMLAttribute attribute = EJB3SubsystemXMLAttribute.forName(reader.getAttributeLocalName(i));
            switch (attribute) {
                case VALUE:
                    EJB3SubsystemRootResourceDefinition.DEFAULT_SECURITY_DOMAIN.parseAndSetParameter(value, ejb3SubsystemAddOperation, reader);
                    // found the mandatory attribute
                    missingRequiredAttributes.remove(EJB3SubsystemXMLAttribute.VALUE);
                    break;
                default:
                    throw unexpectedAttribute(reader, i);
            }
        }
        requireNoContent(reader);
        if (!missingRequiredAttributes.isEmpty()) {
            throw missingRequired(reader, missingRequiredAttributes);
        }
    }

    private void parseDefaultMissingMethodPermissionsDenyAccess(final XMLExtendedStreamReader reader, final ModelNode ejb3SubsystemAddOperation) throws XMLStreamException {
        final int count = reader.getAttributeCount();
        final EnumSet missingRequiredAttributes = EnumSet.of(EJB3SubsystemXMLAttribute.VALUE);
        for (int i = 0; i < count; i++) {
            requireNoNamespaceAttribute(reader, i);
            final String value = reader.getAttributeValue(i);
            final EJB3SubsystemXMLAttribute attribute = EJB3SubsystemXMLAttribute.forName(reader.getAttributeLocalName(i));
            switch (attribute) {
                case VALUE:
                    EJB3SubsystemRootResourceDefinition.DEFAULT_MISSING_METHOD_PERMISSIONS_DENY_ACCESS.parseAndSetParameter(value, ejb3SubsystemAddOperation, reader);
                    // found the mandatory attribute
                    missingRequiredAttributes.remove(EJB3SubsystemXMLAttribute.VALUE);
                    break;
                default:
                    throw unexpectedAttribute(reader, i);
            }
        }
        requireNoContent(reader);
        if (!missingRequiredAttributes.isEmpty()) {
            throw missingRequired(reader, missingRequiredAttributes);
        }
    }
}