com.google.apphosting.utils.config.AppEngineWebXml Java Examples

String getProjectId() throws MojoExecutionException {
  if (project != null) {
    return project;
  }
  if (appId != null) {
    return appId;
  }
  File f = new File(getAppDir(), "WEB-INF/appengine-web.xml");
  if (f.exists()) {
    AppEngineWebXmlReader aewebReader = new AppEngineWebXmlReader(getAppDir());
    AppEngineWebXml appEngineWebXml = aewebReader.readAppEngineWebXml();
    return appEngineWebXml.getAppId();
  } else if (EarHelper.isEar(getAppDir(), false)) {
    EarInfo earInfo = EarHelper.readEarInfo(getAppDir(),
            new File(Application.getSdkDocsDir(), "appengine-application.xsd"));
    return earInfo.getAppengineApplicationXml().getApplicationId();
  }
  throw new MojoExecutionException(
          "No <application> defined in appengine-web.xml, nor <project>"
          + " <configuration> defined in the pom.xml.");
}
 

/**
 * Given the directory of an App Engine application, returns its application id by checking
 * WEB-INF/app.yaml first and then WEB-INF/appengine-web.xml.
 */
public static String getApplicationId(String appDir) {
  return getAppProperty(appDir, new AppPropertyReader() {
    @Override
    public String readYaml(AppYaml yaml) {
      return yaml.getApplication();
    }

    @Override
    public String readXml(AppEngineWebXml xml) {
      return xml.getAppId();
    }
  });
}
 

/**
 * Given the directory of an App Engine application, returns its version by checking
 * war/WEB-INF/app.yaml first and then war/WEB-INF/appengine-web.xml.
 */
public static String getApplicationVersion(String appDir) {
  return getAppProperty(appDir, new AppPropertyReader() {
    @Override
    public String readYaml(AppYaml yaml) {
      return yaml.getVersion();
    }

    @Override
    public String readXml(AppEngineWebXml xml) {
      return xml.getMajorVersionId();
    }
  });
}
 

/**
 * Install system properties based on the provided VmApiProxyEnvironment.
 */
public static void installSystemProperties(
    VmApiProxyEnvironment environment, AppEngineWebXml appEngineWebXml) {
  setEnvironmentSystemProperty(environment.getPartition());
  System.setProperty(SystemProperty.version.key(), getServerInfo());
  System.setProperty(
      SystemProperty.applicationId.key(), AppId.parse(environment.getAppId()).getLongAppId());
  System.setProperty(SystemProperty.applicationVersion.key(), environment.getVersionId());
  System.setProperty("appengine.jetty.also_log_to_apiproxy", "true");
  if (appEngineWebXml!=null) {
    for (Map.Entry<String, String> entry : appEngineWebXml.getSystemProperties().entrySet()) {
      System.setProperty(entry.getKey(), entry.getValue());
    }
  }
}
 

/**
 * Creates a List of SessionStores based on the configuration in the provided AppEngineWebXml.
 *
 * @param appEngineWebXml The AppEngineWebXml containing the session configuration.
 * @return A List of SessionStores in write order.
 */
private static List<SessionStore> createSessionStores(AppEngineWebXml appEngineWebXml) {
  DatastoreSessionStore datastoreSessionStore =
      appEngineWebXml.getAsyncSessionPersistence() ? new DeferredDatastoreSessionStore(
          appEngineWebXml.getAsyncSessionPersistenceQueueName())
          : new DatastoreSessionStore();
  // Write session data to the datastore before we write to memcache.
  return Arrays.asList(datastoreSessionStore, new MemcacheSessionStore());
}
 

private void applySystemProperties(AppEngineWebXml appEngineWebXml) {
    Map<String, String> props = appEngineWebXml.getSystemProperties();

    for (String key : props.keySet()) {
        System.setProperty(key, interpolate(props.get(key)));
    }
}
 

/**
 * Initialize the WebAppContext for use by the VmRuntime.
 *
 * This method initializes the WebAppContext by setting the context path and application folder.
 * It will also parse the appengine-web.xml file provided to set System Properties and session
 * manager accordingly.
 *
 * @param appengineWebXmlFile The appengine-web.xml file path (relative to appDir).
 * @throws AppEngineConfigException If there was a problem finding or parsing the
 *         appengine-web.xml configuration.
 * @throws IOException If the runtime was unable to find/read appDir.
 */
public void init(String appengineWebXmlFile)
    throws AppEngineConfigException, IOException {

  String appDir=getBaseResource().getFile().getCanonicalPath();  
  defaultEnvironment = VmApiProxyEnvironment.createDefaultContext(
      System.getenv(), metadataCache, VmRuntimeUtils.getApiServerAddress(), wallclockTimer,
      VmRuntimeUtils.ONE_DAY_IN_MILLIS, appDir);
  ApiProxy.setEnvironmentForCurrentThread(defaultEnvironment);
  if (ApiProxy.getEnvironmentFactory() == null) {
    // Need the check above since certain unit tests initialize the context multiple times.
    ApiProxy.setEnvironmentFactory(new VmEnvironmentFactory(defaultEnvironment));
  }

  isDevMode = defaultEnvironment.getPartition().equals("dev");
  AppEngineWebXml appEngineWebXml = null;
  File appWebXml = new File(appDir, appengineWebXmlFile);
  if (appWebXml.exists()) {
    AppEngineWebXmlReader appEngineWebXmlReader
            = new AppEngineWebXmlReader(appDir, appengineWebXmlFile);
    appEngineWebXml = appEngineWebXmlReader.readAppEngineWebXml();
  }
  VmRuntimeUtils.installSystemProperties(defaultEnvironment, appEngineWebXml);
  VmRuntimeLogHandler.init();
  VmRuntimeFileLogHandler.init();

  for (String systemClass : SYSTEM_CLASSES) {
    addSystemClass(systemClass);
  }
  if (appEngineWebXml == null) {
    // No need to configure the session manager.
    return;
  }
  AbstractSessionManager sessionManager;
  if (appEngineWebXml.getSessionsEnabled()) {
    sessionManager = new SessionManager(createSessionStores(appEngineWebXml));
    getSessionHandler().setSessionManager(sessionManager);
  }

  setProtectedTargets(ArrayUtil.addToArray(getProtectedTargets(), "/app.yaml", String.class));
}
 

private AppEngineWebXml readAppengineWebXml() {
    AppEngineWebXmlReader reader = new AppEngineWebXmlReader(mojo.getAppDir());
    AppEngineWebXml appEngineWebXml = reader.readAppEngineWebXml();
    applySystemProperties(appEngineWebXml);
    return appEngineWebXml;
}
 

protected AppEngineWebXml getAppEngineWebXml(String webAppDir) throws MojoExecutionException {
  AppEngineWebXmlReader reader = new AppEngineWebXmlReader(webAppDir);
  AppEngineWebXml appengineWebXml = reader.readAppEngineWebXml();
  return appengineWebXml;
}
 

String readXml(AppEngineWebXml xml);