mirror of
https://github.com/yacy/yacy_search_server.git
synced 2024-09-19 00:01:41 +02:00
215 lines
8.8 KiB
Java
215 lines
8.8 KiB
Java
// Tables_p.java
|
|
// -----------------------
|
|
// (C) 2010 by Michael Peter Christen; mc@yacy.net
|
|
// first published 21.01.2010 in Frankfurt, Germany on http://yacy.net
|
|
//
|
|
// This program 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 2 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program 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, write to the Free Software
|
|
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
|
import java.io.IOException;
|
|
import java.util.ArrayList;
|
|
import java.util.HashMap;
|
|
import java.util.Iterator;
|
|
import java.util.List;
|
|
import java.util.Map;
|
|
import java.util.regex.Pattern;
|
|
|
|
import net.yacy.cora.document.UTF8;
|
|
import net.yacy.cora.protocol.RequestHeader;
|
|
import net.yacy.cora.util.SpaceExceededException;
|
|
import net.yacy.kelondro.blob.Tables;
|
|
import net.yacy.kelondro.logging.Log;
|
|
import net.yacy.search.Switchboard;
|
|
import net.yacy.server.serverObjects;
|
|
import net.yacy.server.serverSwitch;
|
|
|
|
public class Tables_p {
|
|
|
|
public static serverObjects respond(@SuppressWarnings("unused") final RequestHeader header, final serverObjects post, final serverSwitch env) {
|
|
final Switchboard sb = (Switchboard) env;
|
|
final serverObjects prop = new serverObjects();
|
|
|
|
prop.put("showtable", 0);
|
|
prop.put("showedit", 0);
|
|
prop.put("showselection", 0);
|
|
|
|
String table = (post == null) ? null : post.get("table", null);
|
|
if (table != null && !sb.tables.hasHeap(table)) table = null;
|
|
|
|
// show table selection
|
|
int count = 0;
|
|
final Iterator<String> ti = sb.tables.iterator();
|
|
String tablename;
|
|
prop.put("showselection", 1);
|
|
while (ti.hasNext()) {
|
|
tablename = ti.next();
|
|
prop.put("showselection_tables_" + count + "_name", tablename);
|
|
prop.put("showselection_tables_" + count + "_selected", (table != null && table.equals(tablename)) ? 1 : 0);
|
|
count++;
|
|
}
|
|
prop.put("showselection_tables", count);
|
|
prop.put("showselection_pattern", "");
|
|
|
|
if (post == null) return prop; // return rewrite properties
|
|
|
|
final String counts = post.get("count", null);
|
|
int maxcount = (counts == null || counts.equals("all")) ? Integer.MAX_VALUE : post.getInt("count", 10);
|
|
final String pattern = post.get("search", "");
|
|
final Pattern matcher = (pattern.isEmpty() || pattern.equals(".*")) ? null : Pattern.compile(".*" + pattern + ".*");
|
|
prop.put("pattern", pattern);
|
|
|
|
// apply deletion requests
|
|
if (post.get("deletetable", "").length() > 0)
|
|
sb.tables.clear(table);
|
|
|
|
if (post.get("deleterows", "").length() > 0) {
|
|
for (final Map.Entry<String, String> entry: post.entrySet()) {
|
|
if (entry.getValue().startsWith("pk_")) try {
|
|
sb.tables.delete(table, entry.getValue().substring(3).getBytes());
|
|
} catch (final IOException e) {
|
|
Log.logException(e);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (post.get("commitrow", "").length() > 0) {
|
|
final String pk = post.get("pk");
|
|
final Map<String, byte[]> map = new HashMap<String, byte[]>();
|
|
for (final Map.Entry<String, String> entry: post.entrySet()) {
|
|
if (entry.getKey().startsWith("col_")) {
|
|
map.put(entry.getKey().substring(4), entry.getValue().getBytes());
|
|
}
|
|
}
|
|
try {
|
|
sb.tables.update(table, pk.getBytes(), map);
|
|
} catch (final IOException e) {
|
|
Log.logException(e);
|
|
}
|
|
}
|
|
|
|
// generate table
|
|
prop.put("showtable", 0);
|
|
prop.put("showedit", 0);
|
|
|
|
|
|
if (table != null) {
|
|
|
|
List<String> columns = null;
|
|
try {
|
|
columns = sb.tables.columns(table);
|
|
} catch (final IOException e) {
|
|
Log.logException(e);
|
|
columns = new ArrayList<String>();
|
|
}
|
|
|
|
if (post.containsKey("editrow")) {
|
|
// check if we can find a key
|
|
String pk = null;
|
|
for (final Map.Entry<String, String> entry: post.entrySet()) {
|
|
if (entry.getValue().startsWith("pk_")) {
|
|
pk = entry.getValue().substring(3);
|
|
break;
|
|
}
|
|
}
|
|
try {
|
|
if (pk != null && sb.tables.has(table, pk.getBytes())) {
|
|
setEdit(sb, prop, table, pk, columns);
|
|
}
|
|
} catch (final IOException e) {
|
|
Log.logException(e);
|
|
} catch (final SpaceExceededException e) {
|
|
Log.logException(e);
|
|
}
|
|
} else if (post.containsKey("addrow")) try {
|
|
// get a new key
|
|
final String pk = UTF8.String(sb.tables.createRow(table));
|
|
setEdit(sb, prop, table, pk, columns);
|
|
} catch (final IOException e) {
|
|
Log.logException(e);
|
|
} catch (final SpaceExceededException e) {
|
|
Log.logException(e);
|
|
} else {
|
|
prop.put("showtable", 1);
|
|
prop.put("showtable_table", table);
|
|
|
|
// insert the columns
|
|
|
|
for (int i = 0; i < columns.size(); i++) {
|
|
prop.putHTML("showtable_columns_" + i + "_header", columns.get(i));
|
|
}
|
|
prop.put("showtable_columns", columns.size());
|
|
|
|
// insert all rows
|
|
try {
|
|
maxcount = Math.min(maxcount, sb.tables.size(table));
|
|
} catch (final IOException e) {
|
|
Log.logException(e);
|
|
maxcount = 0;
|
|
}
|
|
count = 0;
|
|
try {
|
|
final Iterator<Tables.Row> plainIterator = sb.tables.iterator(table, matcher);
|
|
final Iterator<Tables.Row> mapIterator = sb.tables.orderByPK(plainIterator, maxcount).iterator();
|
|
Tables.Row row;
|
|
boolean dark = true;
|
|
byte[] cell;
|
|
while (mapIterator.hasNext() && count < maxcount) {
|
|
row = mapIterator.next();
|
|
if (row == null) continue;
|
|
|
|
// write table content
|
|
prop.put("showtable_list_" + count + "_dark", ((dark) ? 1 : 0) ); dark=!dark;
|
|
prop.put("showtable_list_" + count + "_pk", UTF8.String(row.getPK()));
|
|
prop.put("showtable_list_" + count + "_count", count);
|
|
for (int i = 0; i < columns.size(); i++) {
|
|
cell = row.get(columns.get(i));
|
|
prop.putHTML("showtable_list_" + count + "_columns_" + i + "_cell", cell == null ? "" : UTF8.String(cell));
|
|
}
|
|
prop.put("showtable_list_" + count + "_columns", columns.size());
|
|
count++;
|
|
}
|
|
} catch (final IOException e) {
|
|
Log.logException(e);
|
|
}
|
|
prop.put("showtable_list", count);
|
|
prop.put("showtable_num", count);
|
|
}
|
|
|
|
}
|
|
|
|
// adding the peer address
|
|
prop.put("address", sb.peers.mySeed().getPublicAddress());
|
|
|
|
// return rewrite properties
|
|
return prop;
|
|
}
|
|
|
|
private static void setEdit(final Switchboard sb, final serverObjects prop, final String table, final String pk, final List<String> columns) throws IOException, SpaceExceededException {
|
|
prop.put("showedit", 1);
|
|
prop.put("showedit_table", table);
|
|
prop.put("showedit_pk", pk);
|
|
final Tables.Row row = sb.tables.select(table, pk.getBytes());
|
|
if (row == null) return;
|
|
int count = 0;
|
|
byte[] cell;
|
|
for (final String col: columns) {
|
|
cell = row.get(col);
|
|
prop.put("showedit_list_" + count + "_key", col);
|
|
prop.put("showedit_list_" + count + "_value", cell == null ? "" : UTF8.String(cell));
|
|
count++;
|
|
}
|
|
prop.put("showedit_list", count);
|
|
}
|
|
}
|