/*
* Lokomo OneCMDB - An Open Source Software for Configuration
* Management of Datacenter Resources
*
* Copyright (C) 2006 Lokomo Systems AB
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*
* Lokomo Systems AB can be contacted via e-mail: info@lokomo.com or via
* paper mail: Lokomo Systems AB, Sv�rdv�gen 27, SE-182 33
* Danderyd, Sweden.
*
*/
package org.onecmdb.ui.gwt.desktop.server.service.model;
import org.onecmdb.core.utils.graph.query.constraint.AttributeValueConstraint;
import org.onecmdb.ui.gwt.desktop.client.service.model.CIModel;
/**
* Class for handle simple text search.<br>
* Functions supported.<br>
* #see parse()
*
*/
public class SearchAttributeHandler {
/**
* Parse a search expression:<br>
* expr gives like %text%<br>
* expr* gives like text%<br>
* "expr" gives eq text<br>
* id==expr gives specific attribute, and expr as above.
*
* @param search
* @return
*/
public static AttributeValueConstraint parse(String search, Integer op) {
AttributeValueConstraint vCon = new AttributeValueConstraint();
if (search == null) {
return(vCon);
}
String alias = null;
String expr = search;
if (search.contains("==")) {
String split[] = search.split("==");
alias = split[0];
expr = split[1];
// Handle .
int index = alias.indexOf(".");
if (index > 0) {
alias = alias.substring(index+1);
}
if (alias.startsWith(CIModel.VALUE_PREFIX)) {
alias = alias.substring(CIModel.VALUE_PREFIX.length());
}
vCon.setAlias(alias);
}
handleExpression(vCon, expr, op);
return(vCon);
}
protected static void handleExpression(AttributeValueConstraint vCon, String expr, Integer op) {
expr = expr.trim();
if (op != null && op == AttributeValueConstraint.EQUALS) {
vCon.setValue(expr);
return;
}
if (expr.startsWith("\"") && expr.endsWith("\"")) {
vCon.setOperation(AttributeValueConstraint.EQUALS);
expr = expr.replace('"', ' ');
expr = expr.trim();
} else {
vCon.setOperation(AttributeValueConstraint.LIKE);
if (expr.contains("*")) {
expr = expr.replace('*', '%');
} else {
expr = "%" + expr + "%";
}
}
vCon.setValue(expr);
}
}