/* * 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); } } }