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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.core.client.internal;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.sql.Timestamp;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.logging.Level;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.eclipse.osee.framework.core.client.CoreClientActivator;
import org.eclipse.osee.framework.core.client.OseeClientProperties;
import org.eclipse.osee.framework.core.client.server.HttpUrlBuilderClient;
import org.eclipse.osee.framework.core.data.OseeCodeVersion;
import org.eclipse.osee.framework.core.data.OseeServerContext;
import org.eclipse.osee.framework.core.data.OseeServerInfo;
import org.eclipse.osee.framework.core.exception.OseeCoreException;
import org.eclipse.osee.framework.core.exception.OseeDataStoreException;
import org.eclipse.osee.framework.core.util.Conditions;
import org.eclipse.osee.framework.core.util.HttpProcessor;
import org.eclipse.osee.framework.core.util.HttpProcessor.AcquireResult;
import org.eclipse.osee.framework.jdk.core.util.Strings;
import org.eclipse.osee.framework.logging.BaseStatus;
import org.eclipse.osee.framework.logging.OseeLog;
/**
* @author Andrew M. Finkbeiner
*/
public class OseeApplicationServer {
private static String oseeServer = null;
private static boolean isServerAlive = false;
private static OseeServerInfo serverInfo = null;
private static final String ArbitrationService = "Arbitration Server";
private static final String ApplicationServer = "Application Server";
private OseeApplicationServer() {
// private constructor
}
public static String getOseeApplicationServer() throws OseeCoreException {
checkAndUpdateStatus();
Conditions.checkNotNullOrEmpty(oseeServer, "resource server address");
return oseeServer;
}
public static boolean isApplicationServerAlive() {
checkAndUpdateStatus();
return isServerAlive;
}
private static void checkAndUpdateStatus() {
isServerAlive = false;
if (serverInfo == null) {
String overrideValue = OseeClientProperties.getOseeApplicationServer();
if (Strings.isValid(overrideValue)) {
serverInfo = fromString(overrideValue);
} else {
serverInfo = getOseeServerAddress();
}
if (serverInfo != null) {
oseeServer = String.format("http://%s:%s/", serverInfo.getServerAddress(), serverInfo.getPort());
}
}
DateFormat format = new SimpleDateFormat("MM/dd/yyyy hh:mm a");
if (serverInfo == null) {
OseeLog.reportStatus(new BaseStatus(ApplicationServer, Level.SEVERE, "Application server address was null"));
} else {
isServerAlive = HttpProcessor.isAlive(serverInfo.getServerAddress(), serverInfo.getPort());
if (isServerAlive) {
OseeLog.reportStatus(new BaseStatus(ApplicationServer, Level.INFO, "%s %s Running Since: %s", oseeServer,
Arrays.deepToString(serverInfo.getVersion()), format.format(serverInfo.getDateStarted())));
} else {
OseeLog.reportStatus(new BaseStatus(ApplicationServer, Level.SEVERE, "Unable to Connect to [%s]",
oseeServer));
}
}
}
public static OseeServerInfo fromString(String value) {
OseeServerInfo toReturn = null;
String rawAddress = value;
if (rawAddress.startsWith("http")) {
rawAddress = value.replace("http://", "");
}
Pattern pattern = Pattern.compile("(.*):(\\d+)");
Matcher matcher = pattern.matcher(rawAddress);
if (matcher.find()) {
String address = matcher.group(1);
int port = Integer.valueOf(matcher.group(2));
toReturn =
new OseeServerInfo("OVERRIDE", address, port, new String[] {"OVERRIDE"},
new Timestamp(new Date().getTime()), true);
}
return toReturn;
}
private static OseeServerInfo getOseeServerAddress() {
OseeServerInfo oseeServerInfo = null;
ByteArrayOutputStream outputStream = null;
InputStream inputStream = null;
try {
Map<String, String> parameters = new HashMap<String, String>();
parameters.put("version", OseeCodeVersion.getVersion());
String url =
HttpUrlBuilderClient.getInstance().getOsgiArbitrationServiceUrl(OseeServerContext.LOOKUP_CONTEXT,
parameters);
outputStream = new ByteArrayOutputStream();
AcquireResult result = HttpProcessor.acquire(new URL(url), outputStream);
try {
OseeLog.reportStatus(new BaseStatus(ArbitrationService, Level.INFO, "%s",
HttpUrlBuilderClient.getInstance().getArbitrationServerPrefix()));
} catch (OseeDataStoreException ex) {
OseeLog.log(CoreClientActivator.class, Level.SEVERE, ex);
}
if (result.getCode() == HttpURLConnection.HTTP_OK) {
inputStream = new ByteArrayInputStream(outputStream.toByteArray());
oseeServerInfo = OseeServerInfo.fromXml(inputStream);
}
} catch (Exception ex) {
OseeLog.log(CoreClientActivator.class, Level.SEVERE, ex);
OseeLog.reportStatus(new BaseStatus(ArbitrationService, Level.SEVERE, ex,
"Error requesting application server for version [%s]", OseeCodeVersion.getVersion()));
} finally {
if (inputStream != null) {
try {
inputStream.close();
} catch (IOException ex) {
OseeLog.log(CoreClientActivator.class, Level.SEVERE, ex);
}
}
if (outputStream != null) {
try {
outputStream.close();
} catch (IOException ex) {
OseeLog.log(CoreClientActivator.class, Level.SEVERE, ex);
}
}
}
return oseeServerInfo;
}
}
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