MappingPositionToConfiguration.java

/*
 * RHQ Management Platform
 * Copyright (C) 2005-2009 Red Hat, Inc.
 * All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License, version 2, as
 * published by the Free Software Foundation, and/or the GNU Lesser
 * General Public License, version 2.1, also as published by the Free
 * Software Foundation.
 *
 * This program 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 General Public License and the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU General Public License
 * and the GNU Lesser General Public License along with this program;
 * if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */
package org.rhq.plugins.apache.augeas.mappingImpl;

import java.util.List;

import org.rhq.augeas.node.AugeasNode;
import org.rhq.core.domain.configuration.Configuration;
import org.rhq.core.domain.configuration.PropertyList;
import org.rhq.core.domain.configuration.PropertyMap;
import org.rhq.core.domain.configuration.PropertySimple;
import org.rhq.core.domain.configuration.definition.ConfigurationDefinition;
import org.rhq.plugins.apache.util.AugeasNodeSearch;
import org.rhq.rhqtransform.AugeasRhqException;
import org.rhq.rhqtransform.impl.AugeasToConfigurationSimple;

public class MappingPositionToConfiguration extends AugeasToConfigurationSimple {
    public static final String LIST_PROPERTY_NAME = "IfModules";
    public static final String MAP_PROPERTY_NAME = "IfModule";
    public static final String SIMPLE_PROPERTY_NAME = "condition";

    public Configuration loadResourceConfiguration(AugeasNode startNode, ConfigurationDefinition resourceConfigDef)
        throws AugeasRhqException {
        if (startNode == null)
            return null;

        Configuration resourceConfig = new Configuration();
        String nodeName = startNode.getLabel();
        AugeasNode parentNode = getParentName(startNode);
        List<String> params = AugeasNodeSearch.getParams(startNode, parentNode);

        if (nodeName.equals("<Directory"))
            if (params.size() > 0)
                params.remove(0);

        PropertyList list = new PropertyList(LIST_PROPERTY_NAME);
        for (String parameter : params) {
            PropertyMap map = new PropertyMap(MAP_PROPERTY_NAME);
            PropertySimple condition = new PropertySimple(SIMPLE_PROPERTY_NAME, parameter);
            map.put(condition);
            list.add(map);
        }

        resourceConfig.put(list);
        return resourceConfig;
    }

    private AugeasNode getParentName(AugeasNode node) {

        AugeasNode tempNode = node.getParentNode();

        while (!tempNode.equals(tree.getRootNode())) {
            if (tempNode.getLabel().equals("<Directory"))
                return tempNode;

            if (tempNode.getLabel().equals("<VirtualHost"))
                return tempNode;

            tempNode = tempNode.getParentNode();
        }

        return tree.getRootNode();
    }

}