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package com.sun.enterprise.diagnostics;

import java.io.File;
import java.io.IOException;
import java.util.logging.Logger;
import com.sun.logging.LogDomains;
import com.sun.enterprise.diagnostics.util.FileUtils;
import com.sun.enterprise.diagnostics.util.UniqueNameGenerator;

/**
 * Generates a zip file containing diagnostic data
 * @author Manisha Umbarje
 */
public class Archiver {
   
    
    private static Logger logger = 
            LogDomains.getLogger(LogDomains.ADMIN_LOGGER);
    /** Creates a new instance of Archiver */
    public Archiver() {
    }
    
    /**
     * generates zip file containing diagnostic report
     * @param file  name of archived file
     * @param target target at which report generation is invoked
     * @throws com.sun.enterprise.diagnostics.DiagnosticException 
     * @return zip file containing diagnostic report.
     */
    public java.util.jar.JarFile archive(ReportTarget target, String file)
            throws DiagnosticException {
        try {
            if (file == null) {
                // Generate uniqu name
                file = File.separator + target.getDefaultReportDir() + 
                        File.separator + 
                        UniqueNameGenerator.getName(target.getName());              
            }
            String dirTobeArchived = target.getArchiveDir();
            
            // Generate the jar file
            FileUtils.jarDirectory(new File(file),dirTobeArchived);
            
            //Delete report folder
            FileUtils.deleteFile(dirTobeArchived);

            return new java.util.jar.JarFile(file);
            
        } catch (IOException ioe) {
            throw new DiagnosticException(ioe.getMessage());
        }
    }
}