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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.manager.servlet;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.eclipse.osee.framework.core.data.OseeServerInfo;
import org.eclipse.osee.framework.core.server.IApplicationServerLookup;
import org.eclipse.osee.framework.core.server.IApplicationServerManager;
import org.eclipse.osee.framework.core.server.UnsecuredOseeHttpServlet;
import org.eclipse.osee.framework.jdk.core.util.Lib;
import org.eclipse.osee.framework.jdk.core.util.Strings;
import org.eclipse.osee.logger.Log;
/**
* @author Roberto E. Escobar
*/
public class ServerLookupServlet extends UnsecuredOseeHttpServlet {
private static final long serialVersionUID = -7055381632202456561L;
private final IApplicationServerLookup lookupService;
private final IApplicationServerManager applicationServerManager;
public ServerLookupServlet(Log logger, IApplicationServerLookup lookupService, IApplicationServerManager applicationServerManager) {
super(logger);
this.lookupService = lookupService;
this.applicationServerManager = applicationServerManager;
}
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
try {
String version = request.getParameter("version");
boolean wasBadRequest = false;
OseeServerInfo info = null;
if (Strings.isValid(version)) {
version = version.trim();
info = lookupService.getServerInfoBy(version);
} else {
wasBadRequest = true;
}
if (info == null) {
response.setStatus(wasBadRequest ? HttpServletResponse.SC_BAD_REQUEST : HttpServletResponse.SC_NOT_FOUND);
response.setContentType("text/plain");
response.setCharacterEncoding("UTF-8");
response.getWriter().write(
String.format("Unable to locate application server matching version [%s]", version));
response.getWriter().flush();
response.getWriter().close();
} else {
ByteArrayOutputStream stream = new ByteArrayOutputStream();
info.write(stream);
response.setStatus(HttpServletResponse.SC_OK);
response.setContentType("application/xml");
response.setCharacterEncoding("UTF-8");
response.setContentLength(stream.size());
Lib.inputStreamToOutputStream(new ByteArrayInputStream(stream.toByteArray()), response.getOutputStream());
response.getOutputStream().flush();
}
} catch (Exception ex) {
getLogger().error(ex, "Failed to process application server lookup request [%s]", request.toString());
response.getWriter().write(Lib.exceptionToString(ex));
response.getWriter().flush();
response.getWriter().close();
}
}
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException {
try {
boolean isRegistrationToLookupTableRequested = Boolean.valueOf(request.getParameter("registerToLookup"));
if (isRegistrationToLookupTableRequested) {
boolean wasSuccessful = applicationServerManager.executeLookupRegistration();
response.setStatus(wasSuccessful ? HttpServletResponse.SC_ACCEPTED : HttpServletResponse.SC_CONFLICT);
response.setContentType("txt/plain");
response.getWriter().write(
String.format("Registration into server lookup was a [%s]", wasSuccessful ? "success" : "failure"));
}
} catch (Exception ex) {
getLogger().error(ex, "Failed to process application server lookup request [%s]", request.toString());
response.getWriter().write(Lib.exceptionToString(ex));
}
response.getWriter().flush();
response.getWriter().close();
}
}
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