-import java.io.ByteArrayOutputStream;
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.FileReader;
-import java.io.IOException;
-import java.io.PrintWriter;
-import java.io.StringWriter;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.Enumeration;
-import java.util.GregorianCalendar;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.List;
-import java.util.ListIterator;
-import java.util.Locale;
-import java.util.Map;
-import java.util.Random;
-import java.util.Set;
-import java.util.Vector;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-import javax.servlet.http.HttpSession;
-import javax.servlet.http.HttpUtils;
-
-import org.apache.commons.fileupload.FileItem;
-import org.apache.commons.net.smtp.SMTPClient;
-import org.apache.commons.net.smtp.SMTPReply;
-import org.apache.lucene.analysis.standard.StandardAnalyzer;
-import org.apache.lucene.document.Document;
-import org.apache.lucene.queryParser.QueryParser;
-import org.apache.lucene.search.Hits;
-import org.apache.lucene.search.IndexSearcher;
-import org.apache.lucene.search.Query;
-import org.apache.lucene.search.Searcher;
-import org.apache.struts.util.MessageResources;