/*
* (C) Copyright 2007 Nuxeo SA (http://nuxeo.com/) and others.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Contributors:
* Nuxeo - initial API and implementation
*
* $Id$
*/
package org.nuxeo.ecm.core.search.api.client.querymodel;
/**
* A very minimal escaper: does double quotes (putting just one is incorrect), +, - and !
*
* @author <a href="mailto:gracinet@nuxeo.com">Georges Racinet</a>
*/
// XXX this escaper does not seem to be doing an accurate job for VCS
public class LuceneMinimalEscaper implements Escaper {
@Override
public String escape(String s) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < s.length(); i++) {
char c = s.charAt(i);
if (c == '+' || c == '-' || c == '!' || c == '"') {
sb.append('\\');
}
sb.append(c);
}
return sb.toString();
}
}