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 * CruiseControl, a Continuous Integration Toolkit
 * Copyright (c) 2005 ThoughtWorks, Inc.
 * 200 E. Randolph, 25th Floor
 * Chicago, IL 60601 USA
 * All rights reserved.
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 *       names of its contributors may be used to endorse or promote
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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package net.sourceforge.cruisecontrol.interceptor;

import java.io.IOException;
import java.util.Map;

import javax.management.AttributeNotFoundException;
import javax.management.InstanceNotFoundException;
import javax.management.MBeanException;
import javax.management.ReflectionException;

import net.sourceforge.cruisecontrol.Configuration;
import net.sourceforge.cruisecontrol.PluginConfiguration;
import net.sourceforge.cruisecontrol.PluginDetail;

import org.jdom.JDOMException;

import com.opensymphony.xwork.Action;
import com.opensymphony.xwork.ActionContext;
import com.opensymphony.xwork.ActionInvocation;
import com.opensymphony.xwork.interceptor.AroundInterceptor;

/**
 * Understands how to load plugin details for DetailsAware actions.
 */
public class DetailsInterceptor extends AroundInterceptor {
    protected void before(ActionInvocation invocation) throws Exception {
        Action action = invocation.getAction();

        if (action instanceof DetailsAware) {
            ActionContext invocationContext = invocation.getInvocationContext();
            Map parameters = invocationContext.getParameters();
            String pluginName = ((String[]) parameters.get("pluginName"))[0];
            String pluginType = ((String[]) parameters.get("pluginType"))[0];

            Configuration configuration = (Configuration) invocationContext.getSession().get("cc-configuration");

            PluginConfiguration details = getPluginConfiguration(pluginName, pluginType, configuration);
            ((DetailsAware) action).setDetails(details);
        }
    }

    protected void after(ActionInvocation dispatcher, String result) throws Exception {
    }

    private PluginConfiguration getPluginConfiguration(String name, String type, Configuration configuration)
            throws AttributeNotFoundException, InstanceNotFoundException, MBeanException, ReflectionException,
            IOException, JDOMException {
        PluginLocator locator = new PluginLocator(configuration);
        PluginDetail pluginDetail = locator.getPluginDetail(name, type);
        return new PluginConfiguration(pluginDetail, configuration);
    }
}