/*
* 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;
}
}
}