Java tutorial
/******************************************************************************* * Copyright 2007(c) Gnome Qubec. All rights reserved. * * This file is part of GenoByte. * * GenoByte is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 3 * of the License, or (at your option) any later version. * * GenoByte is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. *******************************************************************************/ package org.obiba.genobyte.cli; import org.apache.commons.cli.Option; import org.apache.commons.cli.OptionBuilder; import org.apache.commons.cli.ParseException; import org.obiba.bitwise.util.FixedWidthPrinter; import org.obiba.genobyte.cli.CliContext.QueryExecution; import org.obiba.genobyte.cli.CliContext.QueryHistory; public class PrintHistoryCommand implements CliCommand { public boolean execute(Option opt, CliContext context) throws ParseException { FixedWidthPrinter printer = new FixedWidthPrinter(context.getOutput(), 4); QueryHistory qh = context.getHistory(); int indexWidth = (int) Math.ceil(Math.log10(qh.size() + 1)); int storeNameWidth = Math.max(context.getStore().getAssayRecordStore().getStore().getName().length(), context.getStore().getSampleRecordStore().getStore().getName().length()); int countWidth = Math.max((int) Math.ceil(Math.log10(qh.getMaxCount() + 1)), "Count".length()); printer.setWidths(indexWidth, storeNameWidth, countWidth); // Print header printer.printLine("#", "Store", "Count", "Query"); for (int i = 0; i < qh.size(); i++) { QueryExecution qe = qh.get(i); printer.printLine(Integer.toString(i + 1), qe.getStore().getStore().getName(), Integer.toString(qe.count()), qe.getQuery()); } return false; } public Option getOption() { return OptionBuilder.withDescription("print the history of executed queries.").withLongOpt("history") .create('y'); } public boolean requiresOpenStore() { return true; } }