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 * CruiseControl, a Continuous Integration Toolkit
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package net.sourceforge.cruisecontrol.dashboard.testhelpers;

import java.io.File;
import java.io.InputStream;
import java.util.HashSet;
import java.util.Set;

import net.sourceforge.cruisecontrol.CruiseControlException;
import net.sourceforge.cruisecontrol.ProjectInterface;
import net.sourceforge.cruisecontrol.ResolverHolder;
import net.sourceforge.cruisecontrol.config.FileResolver;
import net.sourceforge.cruisecontrol.config.XmlResolver;
import net.sourceforge.cruisecontrol.util.Util;

import org.apache.log4j.Logger;
import org.jdom.Element;

/**
 * 
 * @author jerome@coffeebreaks.org
 * @version $Id: XMLConfigManager.java 3052 2007-04-22 06:56:35Z jfredrick $
 */
public class DashboardXMLManager implements ResolverHolder {

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

    private final File configFile;

    private DashboardConfig config;

    private Resolver resolver = new Resolver();

    public DashboardXMLManager(File file) throws CruiseControlException {
        configFile = file;
        loadConfig(configFile);
    }

    private void loadConfig(final File file) throws CruiseControlException {
        final Element element = Util.loadRootElement(file);
        resolver.resetResolvedFiles();
        config = new DashboardConfig(element, this);
    }

    public File getConfigFile() {
        return configFile;
    }

    public DashboardConfig getCruiseControlConfig() {
        return config;
    }

    public ProjectInterface getProject(String projectName) {
        LOG.info("using settings from config file [" + configFile.getAbsolutePath() + "]");
        return config.getProject(projectName);
    }

    /** Th implementation of {@link ResolverHolder#getFileResolver} */
    public FileResolver getFileResolver() {
        return resolver;
    }

    /** Th implementation of {@link ResolverHolder#getXmlResolver} */
    public XmlResolver getXmlResolver() {
        return resolver;
    }

    
    class Resolver implements XmlResolver, FileResolver {
        private Set<File> resolvedFiles = new HashSet<File>();

        public Element getElement(final String path) throws CruiseControlException {
            final File file = new File(configFile.getParentFile(), path);
            resolvedFiles.add(file);
            return Util.loadRootElement(file);
        }

        /** The implementation of @{FileResolver#getInputStream(String)}. Throws exception
         *  at this time! */
        public InputStream getInputStream(final String path) throws CruiseControlException {
            throw new CruiseControlException("Method not implemented");
        }

        public Set<File> getResolvedFiles() {
            return resolvedFiles;
        }

        public void resetResolvedFiles() {
            resolvedFiles.clear();
        }
    }
}