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package org.madore.damlengine;
import java.util.HashMap;
import java.util.HashSet;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
public final class WeblogSummary {
public static final class EntrySummary {
int id;
String date;
String lang;
String title; String titleXml;
String doSinglePage;
HashSet<String> catSet;
public EntrySummary(int id, String date, String lang,
String title, String titleXml,
String doSinglePage) {
this.id = id;
this.date = date;
this.lang = lang;
this.title = title;
this.titleXml = titleXml;
this.doSinglePage = doSinglePage;
this.catSet = null;
}
}
public HashMap<Integer,EntrySummary> entries;
private static WeblogSummary singleton;
private WeblogSummary() {
this.entries = new HashMap<Integer,EntrySummary>();
}
public static WeblogSummary getSummary() {
if ( singleton != null )
return singleton;
singleton = new WeblogSummary();
try {
final Connection conn = WeblogDatabaseConnection.getConnection();
final PreparedStatement selSt
= conn.prepareStatement("SELECT id , edate , lang , title , title_xml , do_single_page FROM entries");
final ResultSet selRes = selSt.executeQuery();
while ( selRes.next() ) {
int id = selRes.getInt(1);
String date = selRes.getString(2);
String lang = selRes.getString(3);
String title = selRes.getString(4);
String titleXml = selRes.getString(5);
String doSinglePage = selRes.getString(6);
singleton.entries.put(id, new EntrySummary(id, date, lang, title, titleXml, doSinglePage));
}
final PreparedStatement catSt
= conn.prepareStatement("SELECT id , code FROM incat");
final ResultSet catRes = catSt.executeQuery();
while ( catRes.next() ) {
int id = catRes.getInt(1);
String code = catRes.getString(2);
HashSet<String> catSet = singleton.entries.get(id).catSet;
if ( catSet == null ) {
catSet = new HashSet<String>();
singleton.entries.get(id).catSet = catSet;
}
catSet.add(code);
}
} catch (SQLException e) {
// Well, we'll have no summary. Too bad, but better than abort.
singleton = null;
}
return singleton;
}
}
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