Java tutorial
/******************************************************************************* * Copyright (c) 2014 IBM Corporation and others * 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: * IBM Corporation - initial API and implementation *******************************************************************************/ package org.eclipse.orion.server.cf.handlers.v1; import java.util.*; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.eclipse.core.runtime.*; import org.eclipse.orion.internal.server.servlets.ServletResourceHandler; import org.eclipse.orion.server.cf.CFProtocolConstants; import org.eclipse.orion.server.cf.commands.*; import org.eclipse.orion.server.cf.jobs.CFJob; import org.eclipse.orion.server.cf.objects.Route; import org.eclipse.orion.server.cf.objects.Target; import org.eclipse.orion.server.cf.servlets.AbstractRESTHandler; import org.eclipse.orion.server.cf.utils.HttpUtil; import org.eclipse.orion.server.core.IOUtilities; import org.eclipse.orion.server.core.ServerStatus; import org.eclipse.osgi.util.NLS; import org.json.JSONArray; import org.json.JSONObject; import org.slf4j.Logger; import org.slf4j.LoggerFactory; public class RoutesHandlerV1 extends AbstractRESTHandler<Route> { private final Logger logger = LoggerFactory.getLogger("org.eclipse.orion.server.cf"); //$NON-NLS-1$ public RoutesHandlerV1(ServletResourceHandler<IStatus> statusHandler) { super(statusHandler); } @Override protected Route buildResource(HttpServletRequest request, String path) throws CoreException { return null; } @Override protected CFJob handlePut(Route route, HttpServletRequest request, HttpServletResponse response, final String path) { final JSONObject jsonData = extractJSONData(request); final JSONObject targetJSON = jsonData.optJSONObject(CFProtocolConstants.KEY_TARGET); final String domainName = jsonData.optString(CFProtocolConstants.KEY_DOMAIN_NAME, null); final String hostName = jsonData.optString(CFProtocolConstants.KEY_HOST, null); return new CFJob(request, false) { @Override protected IStatus performJob() { try { ComputeTargetCommand computeTargetCommand = new ComputeTargetCommand(this.userId, targetJSON); computeTargetCommand.doIt(); Target target = computeTargetCommand.getTarget(); if (target == null) { return HttpUtil.createErrorStatus(IStatus.WARNING, "CF-TargetNotSet", "Target not set"); } GetDomainsCommand getDomainsCommand = new GetDomainsCommand(target, domainName); IStatus getDomainsStatus = getDomainsCommand.doIt(); if (!getDomainsStatus.isOK()) return getDomainsStatus; CreateRouteCommand createRouteCommand = new CreateRouteCommand(target, getDomainsCommand.getDomains().get(0), hostName); IStatus createRouteStatus = createRouteCommand.doIt(); if (!createRouteStatus.isOK()) return createRouteStatus; return new ServerStatus(Status.OK_STATUS, HttpServletResponse.SC_OK, createRouteCommand.getRoute().toJSON()); } catch (Exception e) { String msg = NLS.bind("Failed to handle request for {0}", path); //$NON-NLS-1$ ServerStatus status = new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, msg, e); logger.error(msg, e); return status; } } }; } @Override protected CFJob handleGet(Route route, HttpServletRequest request, HttpServletResponse response, final String path) { final JSONObject targetJSON = extractJSONData( IOUtilities.getQueryParameter(request, CFProtocolConstants.KEY_TARGET)); return new CFJob(request, false) { @Override protected IStatus performJob() { try { ComputeTargetCommand computeTargetCommand = new ComputeTargetCommand(this.userId, targetJSON); computeTargetCommand.doIt(); Target target = computeTargetCommand.getTarget(); if (target == null) { return HttpUtil.createErrorStatus(IStatus.WARNING, "CF-TargetNotSet", "Target not set"); } return new GetRoutesCommand(target, false).doIt(); } catch (Exception e) { String msg = NLS.bind("Failed to handle request for {0}", path); //$NON-NLS-1$ ServerStatus status = new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, msg, e); logger.error(msg, e); return status; } } }; } @Override protected CFJob handleDelete(Route route, HttpServletRequest request, HttpServletResponse response, final String pathString) { final JSONObject targetJSON = extractJSONData( IOUtilities.getQueryParameter(request, CFProtocolConstants.KEY_TARGET)); final JSONObject routeJSON = extractJSONData( IOUtilities.getQueryParameter(request, CFProtocolConstants.KEY_ROUTE)); final String orphaned = IOUtilities.getQueryParameter(request, CFProtocolConstants.KEY_ORPHANED); final String routeId = pathString != null ? new Path(pathString).segment(0) : null; return new CFJob(request, false) { @Override protected IStatus performJob() { try { ComputeTargetCommand computeTargetCommand = new ComputeTargetCommand(this.userId, targetJSON); computeTargetCommand.doIt(); Target target = computeTargetCommand.getTarget(); if (target == null) { return HttpUtil.createErrorStatus(IStatus.WARNING, "CF-TargetNotSet", "Target not set"); } List<Route> routes = null; if (routeId != null) { GetRouteByGuidCommand getRouteByGuid = new GetRouteByGuidCommand(target.getCloud(), routeId); IStatus getRouteByGuidStatus = getRouteByGuid.doIt(); if (!getRouteByGuidStatus.isOK()) return getRouteByGuidStatus; if (getRouteByGuid.getRoute() != null) { routes = new ArrayList<Route>(); routes.add(getRouteByGuid.getRoute()); } } else if (Boolean.parseBoolean(orphaned)) { GetRoutesCommand getRoutesCommand = new GetRoutesCommand(target, true); IStatus getRoutesStatus = getRoutesCommand.doIt(); if (!getRoutesStatus.isOK()) return getRoutesStatus; routes = getRoutesCommand.getRoutes(); } else { GetDomainsCommand getDomainsCommand = new GetDomainsCommand(target, routeJSON.getString(CFProtocolConstants.KEY_DOMAIN_NAME)); IStatus getDomainsStatus = getDomainsCommand.doIt(); if (!getDomainsStatus.isOK()) return getDomainsStatus; GetRoutesCommand getRoutesCommand = new GetRoutesCommand(target, routeJSON.getString(CFProtocolConstants.KEY_DOMAIN_NAME), routeJSON.getString(CFProtocolConstants.KEY_HOST)); IStatus getRoutesStatus = getRoutesCommand.doIt(); if (!getRoutesStatus.isOK()) return getRoutesStatus; routes = getRoutesCommand.getRoutes(); } if (routes == null || routes.size() == 0) return new ServerStatus(IStatus.OK, HttpServletResponse.SC_NOT_FOUND, "Host not found", null); JSONArray deletedRoutesJSON = new JSONArray(); for (Iterator<Route> iterator2 = routes.iterator(); iterator2.hasNext();) { Route route = iterator2.next(); DeleteRouteCommand deleteRouteCommand = new DeleteRouteCommand(target, route); IStatus deleteRouteStatus = deleteRouteCommand.doIt(); if (!deleteRouteStatus.isOK()) return deleteRouteStatus; deletedRoutesJSON.put(route.toJSON()); } JSONObject result = new JSONObject(); result.put("Routes", deletedRoutesJSON); return new ServerStatus(Status.OK_STATUS, HttpServletResponse.SC_OK, result); } catch (Exception e) { String msg = NLS.bind("Failed to handle request for {0}", pathString); //$NON-NLS-1$ ServerStatus status = new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, msg, e); logger.error(msg, e); return status; } } }; } }