How to use

getAllInstalledComponents

method

in

marytts.tools.install.InstallerGUI

/**
 * For all components to be uninstalled, find any shared files required by components that will <i>not</i> be uninstalled, and
 * store them in the component (using {@link ComponentDescription#setSharedFiles(List)}).
 * {@link ComponentDescription#uninstall()} can then check and refrain from removing those shared files.
 * 
 * @param uninstallComponents
 *            selected for uninstallation
 */
private void findAndStoreSharedFiles(List<ComponentDescription> uninstallComponents) {
  // first, find out which components are *not* selected for removal:
  Set<ComponentDescription> retainComponents = getAllInstalledComponents();
  retainComponents.removeAll(uninstallComponents);
  // if all components are selected for removal, there is nothing to do here:
  if (retainComponents.isEmpty()) {
    return;
  }
  // otherwise, list all unique files required by retained components:
  Set<String> retainFiles = new TreeSet<String>();
  for (ComponentDescription retainComponent : retainComponents) {
    retainFiles.addAll(retainComponent.getInstalledFileNames());
  }
  // finally, store shared files in components to be removed (queried later):
  for (ComponentDescription uninstallComponent : uninstallComponents) {
    Set<String> sharedFiles = new HashSet<String>(uninstallComponent.getInstalledFileNames());
    sharedFiles.retainAll(retainFiles);
    if (!sharedFiles.isEmpty()) {
      uninstallComponent.setSharedFiles(sharedFiles);
    }
  }
}

/**
 * For all components to be uninstalled, find any shared files required by components that will <i>not</i> be uninstalled, and
 * store them in the component (using {@link ComponentDescription#setSharedFiles(List)}).
 * {@link ComponentDescription#uninstall()} can then check and refrain from removing those shared files.
 * 
 * @param uninstallComponents
 *            selected for uninstallation
 */
private void findAndStoreSharedFiles(List<ComponentDescription> uninstallComponents) {
  // first, find out which components are *not* selected for removal:
  Set<ComponentDescription> retainComponents = getAllInstalledComponents();
  retainComponents.removeAll(uninstallComponents);
  // if all components are selected for removal, there is nothing to do here:
  if (retainComponents.isEmpty()) {
    return;
  }
  // otherwise, list all unique files required by retained components:
  Set<String> retainFiles = new TreeSet<String>();
  for (ComponentDescription retainComponent : retainComponents) {
    retainFiles.addAll(retainComponent.getInstalledFileNames());
  }
  // finally, store shared files in components to be removed (queried later):
  for (ComponentDescription uninstallComponent : uninstallComponents) {
    Set<String> sharedFiles = new HashSet<String>(uninstallComponent.getInstalledFileNames());
    sharedFiles.retainAll(retainFiles);
    if (!sharedFiles.isEmpty()) {
      uninstallComponent.setSharedFiles(sharedFiles);
    }
  }
}

/**
 * For all components to be uninstalled, find any shared files required by components that will <i>not</i> be uninstalled, and
 * store them in the component (using {@link ComponentDescription#setSharedFiles(List)}).
 * {@link ComponentDescription#uninstall()} can then check and refrain from removing those shared files.
 * 
 * @param uninstallComponents
 *            selected for uninstallation
 */
private void findAndStoreSharedFiles(List<ComponentDescription> uninstallComponents) {
  // first, find out which components are *not* selected for removal:
  Set<ComponentDescription> retainComponents = getAllInstalledComponents();
  retainComponents.removeAll(uninstallComponents);
  // if all components are selected for removal, there is nothing to do here:
  if (retainComponents.isEmpty()) {
    return;
  }
  // otherwise, list all unique files required by retained components:
  Set<String> retainFiles = new TreeSet<String>();
  for (ComponentDescription retainComponent : retainComponents) {
    retainFiles.addAll(retainComponent.getInstalledFileNames());
  }
  // finally, store shared files in components to be removed (queried later):
  for (ComponentDescription uninstallComponent : uninstallComponents) {
    Set<String> sharedFiles = new HashSet<String>(uninstallComponent.getInstalledFileNames());
    sharedFiles.retainAll(retainFiles);
    if (!sharedFiles.isEmpty()) {
      uninstallComponent.setSharedFiles(sharedFiles);
    }
  }
}