/* * Copyright 2014-2016 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 org.springframework.integration.jms.util; import org.springframework.util.StringUtils; /** * @author Liujiong * @author Gary Russell * @since 4.1 * */ public abstract class JmsAdapterUtils { public static final String AUTO_ACKNOWLEDGE_STRING = "auto"; public static final String DUPS_OK_ACKNOWLEDGE_STRING = "dups-ok"; public static final String CLIENT_ACKNOWLEDGE_STRING = "client"; public static final String SESSION_TRANSACTED_STRING = "transacted"; public static final int SESSION_TRANSACTED = 0; public static final int AUTO_ACKNOWLEDGE = 1; public static final int CLIENT_ACKNOWLEDGE = 2; public static final int DUPS_OK_ACKNOWLEDGE = 3; public static Integer parseAcknowledgeMode(String acknowledge) { if (StringUtils.hasText(acknowledge)) { int acknowledgeMode = AUTO_ACKNOWLEDGE; if (SESSION_TRANSACTED_STRING.equals(acknowledge)) { acknowledgeMode = SESSION_TRANSACTED; } else if (DUPS_OK_ACKNOWLEDGE_STRING.equals(acknowledge)) { acknowledgeMode = DUPS_OK_ACKNOWLEDGE; } else if (CLIENT_ACKNOWLEDGE_STRING.equals(acknowledge)) { acknowledgeMode = CLIENT_ACKNOWLEDGE; } else if (!AUTO_ACKNOWLEDGE_STRING.equals(acknowledge)) { throw new IllegalStateException("Invalid JMS 'acknowledge' setting: " + "only \"auto\", \"client\", \"dups-ok\" and \"transacted\" supported."); } return acknowledgeMode; } else { return null; } } }