How to use

getInstalledContainer

method

in

org.eclipse.jst.j2ee.internal.common.classpath.J2EEComponentClasspathContainerUtils

public static FlexibleProjectContainer getInstalledWebAppLibrariesContainer(IProject project){
  IClasspathContainer container = getInstalledContainer(project, J2EEComponentClasspathUpdater.WEB_APP_LIBS_PATH);
  FlexibleProjectContainer webAppLibrariesContainer = null;
  if (null != container && container instanceof FlexibleProjectContainer) {
    webAppLibrariesContainer = (FlexibleProjectContainer) container;
  }
  return webAppLibrariesContainer;
}

public static J2EEComponentClasspathContainer getInstalledEARLibrariesContainer(IProject project) {
  IClasspathContainer container = getInstalledContainer(project, J2EEComponentClasspathContainer.CONTAINER_PATH);
  J2EEComponentClasspathContainer earLibrariesContainer = null;
  if (null != container && container instanceof J2EEComponentClasspathContainer) {
    earLibrariesContainer = (J2EEComponentClasspathContainer) container;
  }
  return earLibrariesContainer;
}