Java tutorial
/* * Copyright (c) 2005-2014, WSO2 Inc. (http://www.wso2.org) All Rights Reserved. * * WSO2 Inc. licenses this file to you 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.wso2.andes.configuration.qpid; import org.apache.commons.configuration.CompositeConfiguration; import org.apache.commons.configuration.ConfigurationException; import org.wso2.andes.exchange.ExchangeDefaults; import org.wso2.andes.configuration.qpid.plugins.ConfigurationPlugin; import java.util.List; public class QueueConfiguration extends ConfigurationPlugin { private String _name; private VirtualHostConfiguration _vHostConfig; public QueueConfiguration(String name, VirtualHostConfiguration virtualHostConfiguration) throws ConfigurationException { _vHostConfig = virtualHostConfiguration; _name = name; CompositeConfiguration mungedConf = new CompositeConfiguration(); mungedConf.addConfiguration(_vHostConfig.getConfig().subset("queues.queue." + name)); mungedConf.addConfiguration(_vHostConfig.getConfig().subset("queues")); setConfiguration("virtualhosts.virtualhost.queues.queue", mungedConf); } public String[] getElementsProcessed() { return new String[] { "maximumMessageSize", "maximumQueueDepth", "maximumMessageCount", "maximumMessageAge", "minimumAlertRepeatGap", "durable", "exchange", "exclusive", "queue", "autodelete", "priority", "priorities", "routingKey", "capacity", "flowResumeCapacity", "lvq", "lvqKey" }; } @Override public void validateConfiguration() throws ConfigurationException { //Currently doesn't do validation } public VirtualHostConfiguration getVirtualHostConfiguration() { return _vHostConfig; } public boolean getDurable() { return getBooleanValue("durable"); } public boolean getExclusive() { return getBooleanValue("exclusive"); } public boolean getAutoDelete() { return getBooleanValue("autodelete"); } public String getOwner() { return getStringValue("owner", null); } public boolean getPriority() { return getBooleanValue("priority"); } public int getPriorities() { return getIntValue("priorities", -1); } public String getExchange() { return getStringValue("exchange", ExchangeDefaults.DEFAULT_EXCHANGE_NAME.asString()); } public List getRoutingKeys() { return getListValue("routingKey"); } public String getName() { return _name; } public int getMaximumMessageAge() { return getIntValue("maximumMessageAge", _vHostConfig.getMaximumMessageAge()); } public long getMaximumQueueDepth() { return getLongValue("maximumQueueDepth", _vHostConfig.getMaximumQueueDepth()); } public long getMaximumMessageSize() { return getLongValue("maximumMessageSize", _vHostConfig.getMaximumMessageSize()); } public long getMaximumMessageCount() { return getLongValue("maximumMessageCount", _vHostConfig.getMaximumMessageCount()); } public long getMinimumAlertRepeatGap() { return getLongValue("minimumAlertRepeatGap", _vHostConfig.getMinimumAlertRepeatGap()); } public long getCapacity() { return getLongValue("capacity", _vHostConfig.getCapacity()); } public long getFlowResumeCapacity() { return getLongValue("flowResumeCapacity", _vHostConfig.getFlowResumeCapacity()); } public boolean isLVQ() { return getBooleanValue("lvq"); } public String getLVQKey() { return getStringValue("lvqKey", null); } public static class QueueConfig extends ConfigurationPlugin { @Override public String[] getElementsProcessed() { return new String[] { "name" }; } public String getName() { return getStringValue("name"); } public void validateConfiguration() throws ConfigurationException { if (_configuration.isEmpty()) { throw new ConfigurationException("Queue section cannot be empty."); } if (getName() == null) { throw new ConfigurationException("Queue section must have a 'name' element."); } } @Override public String formatToString() { return "Name:" + getName(); } } }