/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
package org.apache.jackrabbit.mongomk.impl;
import java.util.ArrayList;
import java.util.List;
import org.apache.jackrabbit.mk.json.JsopTokenizer;
import org.apache.jackrabbit.mk.util.NameFilter;
/**
* FIXME [Mete] Stolen from OAK. Should go away at some point when MongoMK becomes
* part of OAK.
*/
public class NodeFilter {
NameFilter nodeFilter;
NameFilter propFilter;
private NodeFilter(NameFilter nodeFilter, NameFilter propFilter) {
this.nodeFilter = nodeFilter;
this.propFilter = propFilter;
}
static NodeFilter parse(String json) {
// parse json format filter
JsopTokenizer t = new JsopTokenizer(json);
t.read('{');
NameFilter nodeFilter = null, propFilter = null;
do {
String type = t.readString();
t.read(':');
String[] globs = parseArray(t);
if (type.equals("nodes")) {
nodeFilter = new NameFilter(globs);
} else if (type.equals("properties")) {
propFilter = new NameFilter(globs);
} else {
throw new IllegalArgumentException("illegal filter format");
}
} while (t.matches(','));
t.read('}');
return new NodeFilter(nodeFilter, propFilter);
}
private static String[] parseArray(JsopTokenizer t) {
List<String> l = new ArrayList<String>();
t.read('[');
do {
l.add(t.readString());
} while (t.matches(','));
t.read(']');
return l.toArray(new String[l.size()]);
}
NameFilter getChildNodeFilter() {
return nodeFilter;
}
NameFilter getPropertyFilter() {
return propFilter;
}
boolean includeNode(String name) {
return nodeFilter == null || nodeFilter.matches(name);
}
public boolean includeProperty(String name) {
return propFilter == null || propFilter.matches(name);
}
}