Java tutorial
/* * Copyright 2000-2016 JetBrains s.r.o. * * Licensed 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 jetbrains.buildServer.clouds.azure.asm.web; import com.intellij.openapi.diagnostic.Logger; import jetbrains.buildServer.clouds.azure.asm.connector.AzureApiConnector; import jetbrains.buildServer.clouds.azure.asm.errors.InvalidCertificateException; import jetbrains.buildServer.clouds.azure.utils.PluginPropertiesUtil; import jetbrains.buildServer.clouds.base.errors.CheckedCloudException; import jetbrains.buildServer.controllers.ActionErrors; import jetbrains.buildServer.controllers.BaseFormXmlController; import jetbrains.buildServer.controllers.BasePropertiesBean; import jetbrains.buildServer.serverSide.SBuildServer; import jetbrains.buildServer.web.openapi.PluginDescriptor; import jetbrains.buildServer.web.openapi.WebControllerManager; import org.jdeferred.AlwaysCallback; import org.jdeferred.DeferredManager; import org.jdeferred.FailCallback; import org.jdeferred.Promise; import org.jdeferred.impl.DefaultDeferredManager; import org.jdeferred.multiple.MultipleResults; import org.jdeferred.multiple.OneReject; import org.jdeferred.multiple.OneResult; import org.jdom.Content; import org.jdom.Element; import org.jetbrains.annotations.NotNull; import org.springframework.web.servlet.ModelAndView; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.util.ArrayList; import java.util.List; import java.util.Map; /** * @author Sergey.Pak * Date: 8/6/2014 * Time: 3:01 PM */ public class ProfileController extends BaseFormXmlController { private static final Logger LOG = Logger.getInstance(ProfileController.class.getName()); private final String myJspPath; private final String myHtmlPath; private final String myResourcePath; private final List<ResourceHandler> myHandlers = new ArrayList<>(); private final DeferredManager myManager; public ProfileController(@NotNull final SBuildServer server, @NotNull final PluginDescriptor pluginDescriptor, @NotNull final WebControllerManager manager) { super(server); myResourcePath = pluginDescriptor.getPluginResourcesPath(); myHtmlPath = pluginDescriptor.getPluginResourcesPath("azure-settings.html"); myJspPath = pluginDescriptor.getPluginResourcesPath("azure-settings.jsp"); myManager = new DefaultDeferredManager(); myHandlers.add(new VmSizesHandler()); myHandlers.add(new ServicesHandler()); myHandlers.add(new ImagesHandler()); myHandlers.add(new NetworksHandler()); manager.registerController(myHtmlPath, this); } @Override protected ModelAndView doGet(@NotNull final HttpServletRequest request, @NotNull final HttpServletResponse response) { ModelAndView mv = new ModelAndView(myJspPath); mv.getModel().put("refreshablePath", myHtmlPath); mv.getModel().put("resPath", myResourcePath); return mv; } @Override protected void doPost(@NotNull final HttpServletRequest request, @NotNull final HttpServletResponse response, @NotNull final Element xmlResponse) { final ActionErrors errors = new ActionErrors(); final BasePropertiesBean propsBean = new BasePropertiesBean(null); PluginPropertiesUtil.bindPropertiesFromRequest(request, propsBean, true); final Map<String, String> props = propsBean.getProperties(); final String subscriptionId = props.get(AzureWebConstants.SUBSCRIPTION_ID); final String certificate = props.get("secure:" + AzureWebConstants.MANAGEMENT_CERTIFICATE); final AzureApiConnector apiConnector; try { apiConnector = new AzureApiConnector(subscriptionId, certificate); apiConnector.test(); } catch (InvalidCertificateException ex) { errors.addError("certificateError", "Invalid Management certificate. Please enter the Management Certificate exactly as it is presented in the subscription file."); errors.serialize(xmlResponse); LOG.warnAndDebugDetails("An error during initializing connection: " + ex.getMessage(), ex); return; } catch (CheckedCloudException ex) { errors.addError("pingError", "Error connecting to Microsoft Azure. Please check that your Management Certificate and Subscription ID are valid."); errors.serialize(xmlResponse); LOG.warnAndDebugDetails("An error during initializing connection: " + ex.getMessage(), ex); return; } final List<Promise<Content, Throwable, Void>> promises = new ArrayList<>(myHandlers.size()); for (final ResourceHandler handler : myHandlers) { try { final Promise<Content, Throwable, Void> promise = handler.handle(apiConnector) .fail(new FailCallback<Throwable>() { @Override public void onFail(Throwable result) { LOG.warn(String.format("Failed to execute handler %s: %s", handler.getName(), result), result); errors.addError(handler.getName(), result.getMessage()); } }); promises.add(promise); } catch (Throwable t) { LOG.warn(String.format("Failed to add handler %s: %s", handler.getName(), t.getMessage()), t); errors.addError(handler.getName(), t.getMessage()); } } if (promises.size() == 0) { if (errors.hasErrors()) { writeErrors(xmlResponse, errors); } return; } try { myManager.when(promises.toArray(new Promise[] {})) .always(new AlwaysCallback<MultipleResults, OneReject>() { @Override public void onAlways(Promise.State state, MultipleResults resolved, OneReject rejected) { if (errors.hasErrors()) { writeErrors(xmlResponse, errors); } else { for (OneResult oneResult : resolved) { xmlResponse.addContent((Content) oneResult.getResult()); } } } }).waitSafely(); } catch (InterruptedException e) { LOG.warn("Request executing has been interrupted: " + e.getMessage()); errors.addError("handler", e.getMessage()); writeErrors(xmlResponse, errors); } } }