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package org.madore.damlengine;
import java.util.TreeSet;
import java.util.ArrayList;
import java.io.OutputStream;
import java.nio.file.Files;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
public final class WeblogSelect {
private WeblogSelect() { // Forbid instantiation
throw new AssertionError("WeblogSelect cannot be instantiated");
}
public static void fullProcess(Context.WeblogSelectionContext wsc,
Context.DynamicContext dc,
OutputStream out)
throws Exception {
final Connection conn = WeblogDatabaseConnection.getConnection();
String templateResourceName;
final PreparedStatement selSt;
if ( wsc instanceof Context.WeblogMonthSelectionContext ) {
templateResourceName = "weblog-month-template.daml";
selSt = conn.prepareStatement("SELECT id , content FROM entries WHERE edate LIKE ? ORDER BY id DESC");
selSt.setString(1,((Context.WeblogMonthSelectionContext)wsc).year+"-"+((Context.WeblogMonthSelectionContext)wsc).month+"-__");
} else if ( wsc instanceof Context.WeblogCategorySelectionContext ) {
templateResourceName = "weblog-cat-template.daml";
selSt = conn.prepareStatement("SELECT entries.id , entries.content FROM entries , incat WHERE entries.id=incat.id AND incat.code=? ORDER BY entries.id DESC");
selSt.setString(1,((Context.WeblogCategorySelectionContext)wsc).code);
} else if ( wsc instanceof Context.WeblogRecentSelectionContext ) {
templateResourceName = "weblog-recent-template.daml";
selSt = conn.prepareStatement("SELECT id , content FROM entries ORDER BY id DESC LIMIT ?");
selSt.setInt(1,((Context.WeblogRecentSelectionContext)wsc).count);
} else if ( wsc instanceof Context.WeblogSingleSelectionContext ) {
templateResourceName = "weblog-single-template.daml";
selSt = conn.prepareStatement("SELECT id , content FROM entries WHERE id=?");
selSt.setInt(1,((Context.WeblogSingleSelectionContext)wsc).number);
} else
throw new IllegalArgumentException("don't know how to perform this selection");
final ResultSet selRes = selSt.executeQuery();
wsc.sel = new TreeSet<Integer>();
wsc.xmlData = new ArrayList<String>();
while ( selRes.next() ) {
int id = selRes.getInt(1);
String content = selRes.getString(2);
wsc.sel.add(Integer.valueOf(id));
wsc.xmlData.add(content);
}
DamlEngine.fullProcess(Files.newInputStream(DamlEngine.templatePath.resolve(templateResourceName)),
out, wsc, dc);
}
public static void fullProcess(Context.WeblogSelectionContext wsc,
OutputStream out)
throws Exception {
fullProcess(wsc, null, out);
}
}
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