/*
* Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
*
* 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.hazelcast.internal.usercodedeployment.impl.filter;
import com.hazelcast.core.Member;
import com.hazelcast.internal.util.filter.AlwaysApplyFilter;
import com.hazelcast.internal.util.filter.Filter;
public final class MemberProviderFilterParser {
private static final String HAS_ATTRIBUTE_PREFIX = "HAS_ATTRIBUTE:";
private MemberProviderFilterParser() {
}
public static Filter<Member> parseMemberFilter(String providerFilter) {
if (providerFilter == null) {
return AlwaysApplyFilter.newInstance();
}
providerFilter = providerFilter.trim();
if (providerFilter.startsWith(HAS_ATTRIBUTE_PREFIX)) {
providerFilter = providerFilter.substring(HAS_ATTRIBUTE_PREFIX.length());
providerFilter = providerFilter.trim();
return new MemberAttributeFilter(providerFilter);
} else if (providerFilter.isEmpty()) {
return AlwaysApplyFilter.newInstance();
} else {
throw new IllegalArgumentException("Unknown provider filter: " + providerFilter);
}
}
}