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117 lines
4.6 KiB
117 lines
4.6 KiB
// Table_p.java
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// -----------------------
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// (C) 2010 by Michael Peter Christen; mc@yacy.net
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// first published 21.01.2010 in Frankfurt, Germany on http://yacy.net
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Iterator;
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import net.yacy.kelondro.blob.Tables;
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import net.yacy.kelondro.logging.Log;
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import de.anomic.http.server.RequestHeader;
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import de.anomic.search.Switchboard;
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import de.anomic.server.serverObjects;
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import de.anomic.server.serverSwitch;
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public class table_p {
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public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) {
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final Switchboard sb = (Switchboard) env;
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final serverObjects prop = new serverObjects();
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String table = (post == null) ? null : post.get("table", null);
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if (table != null && !sb.tables.hasHeap(table)) table = null;
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if (table == null) {
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prop.put("showtable", 0);
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return prop;
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}
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boolean showpk = post.containsKey("pk");
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ArrayList<String> columns = null;
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try {
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columns = sb.tables.columns(table);
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} catch (IOException e) {
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Log.logException(e);
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columns = new ArrayList<String>();
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}
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// if a row attribute is given
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// then order the columns according to the given order
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String[] row = post.get("row", "").split(",");
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for (int i = 0; i < row.length; i++) {
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if (columns.contains(row[i])) {
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columns.remove(row[i]);
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if (i < columns.size()) columns.add(i, row[i]);
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}
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}
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// generate table
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prop.put("showtable", 1);
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prop.put("showtable_table", table);
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// insert the columns
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prop.put("showtable_showpk", showpk ? 1 : 0);
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for (int i = 0; i < columns.size(); i++) {
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prop.putHTML("showtable_columns_" + i + "_header", columns.get(i));
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}
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prop.put("showtable_columns", columns.size());
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// insert all rows
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int maxCount;
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try {
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maxCount = Math.min(1000, sb.tables.size(table));
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} catch (IOException e) {
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Log.logException(e);
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maxCount = 0;
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}
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int count = 0;
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try {
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final Iterator<Tables.Row> plainIterator = sb.tables.iterator(table);
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final Iterator<Tables.Row> mapIterator = sb.tables.orderByPK(plainIterator, maxCount).iterator();
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Tables.Row trow;
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boolean dark = true;
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byte[] cell;
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while ((mapIterator.hasNext()) && (count < maxCount)) {
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trow = mapIterator.next();
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if (row == null) continue;
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prop.put("showtable_list_" + count + "_dark", ((dark) ? 1 : 0) ); dark=!dark;
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prop.put("showtable_list_" + count + "_showpk", showpk ? 1 : 0);
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prop.put("showtable_list_" + count + "_showpk_pk", new String(trow.getPK()));
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prop.put("showtable_list_" + count + "_count", count);
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for (int i = 0; i < columns.size(); i++) {
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cell = trow.from(columns.get(i));
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prop.putHTML("showtable_list_" + count + "_columns_" + i + "_column", columns.get(i));
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prop.putHTML("showtable_list_" + count + "_columns_" + i + "_cell", cell == null ? "" : new String(cell));
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}
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prop.put("showtable_list_" + count + "_columns", columns.size());
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count++;
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}
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} catch (IOException e) {
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Log.logException(e);
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}
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prop.put("showtable_list", count);
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prop.put("showtable_num", count);
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// return rewrite properties
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return prop;
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}
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}
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