/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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.carbon.das.data.publisher.util;
import org.apache.axis2.context.MessageContext;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.wso2.carbon.base.ServerConfiguration;
import org.wso2.carbon.context.PrivilegedCarbonContext;
import org.wso2.carbon.utils.CarbonUtils;
import java.net.Inet4Address;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class PublisherUtil {
private static Log log = LogFactory.getLog(PublisherUtil.class);
private static String hostAddress = null;
public static final String HOST_NAME = "HostName";
public static String getHostAddress() {
if (hostAddress != null) {
return hostAddress;
}
String hostAddress = ServerConfiguration.getInstance().getFirstProperty(DASDataPublisherConstants.FLOW_STATISTIC_NODE_HOST_NAME);
if (hostAddress == null) {
hostAddress = ServerConfiguration.getInstance().getFirstProperty(HOST_NAME);
}
if (null == hostAddress) {
InetAddress localAddress = getLocalAddress();
if (localAddress != null) {
hostAddress = localAddress.getHostAddress();
} else {
hostAddress = "localhost"; // Defaults to localhost
log.warn("Unable to get the ip address, hence using hostname as localhost");
}
PublisherUtil.hostAddress = hostAddress;
return PublisherUtil.hostAddress;
} else {
return hostAddress.trim();
}
}
private static InetAddress getLocalAddress(){
Enumeration<NetworkInterface> ifaces = null;
try {
ifaces = NetworkInterface.getNetworkInterfaces();
} catch (SocketException e) {
log.error("Failed to get host address", e);
}
if (ifaces != null) {
while (ifaces.hasMoreElements()) {
NetworkInterface iface = ifaces.nextElement();
Enumeration<InetAddress> addresses = iface.getInetAddresses();
while (addresses.hasMoreElements()) {
InetAddress addr = addresses.nextElement();
if (addr instanceof Inet4Address && !addr.isLoopbackAddress()) {
return addr;
}
}
}
}
return null;
}
public static int getTenantId(MessageContext msgContext) {
return PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId();
}
public static ArrayList<String> getReceiverGroups(String urls) {
ArrayList<String> matchList = new ArrayList<String>();
Pattern regex = Pattern.compile("\\{.*?\\}");
Matcher regexMatcher = regex.matcher(urls);
while (regexMatcher.find()) {
matchList.add(regexMatcher.group().replace("{", "").replace("}", ""));
}
if (matchList.size() == 0) {
matchList.add(urls.replace("{", "").replace("}", ""));
}
return matchList;
}
}