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package com.servicerocket.confluence.randombits.conveyor;

import com.atlassian.plugin.Plugin;
import com.atlassian.plugin.PluginParseException;
import com.atlassian.plugin.descriptors.AbstractModuleDescriptor;
import com.atlassian.plugin.elements.ResourceDescriptor;
import com.atlassian.plugin.module.ModuleFactory;
import com.servicerocket.confluence.randombits.conveyor.xwork.ConveyorConfigurationProvider;
import org.dom4j.Element;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.ArrayList;
import java.util.List;

/**
 * Loads
 */
public class ConveyorModuleDescriptor extends AbstractModuleDescriptor {

    private static final Logger LOG = LoggerFactory.getLogger(ConveyorModuleDescriptor.class);

    private List providers;

    private final OverrideManager overrideManager;

    private final ConveyorManager conveyorManager;

    public ConveyorModuleDescriptor(ConveyorManager conveyorManager, OverrideManager overrideManager, ModuleFactory moduleFactory) {
        super(moduleFactory);
        this.overrideManager = overrideManager;
        LOG.debug("Constructed ConveyorModuleDescriptor with " + conveyorManager);
        this.conveyorManager = conveyorManager;
    }

    @Override
    public void init(Plugin plugin, Element element) throws PluginParseException {
        if (LOG.isDebugEnabled())
            LOG.debug("Initialising 'conveyor' descriptor for " + plugin.getName() + " (" + plugin.getKey() + ")");

        super.init(plugin, element);

        providers = new ArrayList();

        String resource = element.attributeValue("resource");
        if (resource != null)
            providers.add(new ConveyorConfigurationProvider(overrideManager, plugin, resource));

        // Loop through any  entries.
        for (ResourceDescriptor rsrc : getResourceDescriptors()) {
            if(rsrc.getType().equalsIgnoreCase("xml")){
                providers.add(new ConveyorConfigurationProvider(overrideManager, plugin, rsrc.getLocation()));
            }
        }

        if (providers.size() == 0)
            throw new PluginParseException("Please specify either the 'resource' parameter or one or more 'resource' elements of type 'xml'.");
    }

    @Override
    public void enabled() {
        if (LOG.isDebugEnabled())
            LOG.debug("Enabled 'conveyor' module with " + conveyorManager);
        super.enabled();

        conveyorManager.addProviders(providers);
    }

    @Override
    public void disabled() {
        if (LOG.isDebugEnabled())
            LOG.debug("Disabled 'conveyor' module with " + conveyorManager);

        conveyorManager.removeProviders(providers);

        super.disabled();
    }

    @Override
    public void destroy(Plugin plugin) {
        if (LOG.isDebugEnabled())
            LOG.debug("Destroyed 'conveyor' module with " + conveyorManager);

        super.destroy(plugin);

        conveyorManager.removeProviders(providers);

        providers.clear();
    }

    /**
     * No public module for this one.
     *
     * @return null
     */
    @Override
    public Object getModule() {
        return null;
    }
}
 















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