/*
* Copyright 2011 the original author or authors.
* 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.
*/
package com.jayway.jsonpath.internal.filter;
import com.jayway.jsonpath.Configuration;
import com.jayway.jsonpath.spi.JsonProvider;
/**
* @author Kalle Stenflo
*/
public class ScanFilter extends PathTokenFilter {
public ScanFilter(String condition) {
super(condition);
}
@Override
public Object filter(Object obj, Configuration configuration) {
JsonProvider jsonProvider = configuration.getProvider();
Object result = jsonProvider.createArray();
scan(obj, result, jsonProvider);
return result;
}
@Override
public boolean isArrayFilter() {
return true;
}
@Override
public Object getRef(Object obj, Configuration configuration) {
throw new UnsupportedOperationException();
}
private void scan(Object container, Object result, JsonProvider jsonProvider) {
if (jsonProvider.isMap(container)) {
jsonProvider.setProperty(result, jsonProvider.length(result), container);
}
for (Object value : jsonProvider.toIterable(container)) {
if (jsonProvider.isContainer(value)) {
scan(value, result, jsonProvider);
}
}
}
}