Java Code Examples for org.eclipse.ui.XMLMemento#createWriteRoot()

@Override
public void init(IViewSite site, IMemento memento) throws PartInitException {
    viewMemento = memento;
    if (memento == null) {
        IDialogSettings dialogSettings = FindbugsPlugin.getDefault().getDialogSettings();
        String persistedMemento = dialogSettings.get(TAG_MEMENTO);
        if (persistedMemento == null) {
            // See bug 2504068. First time user opens a view, no settings
            // are defined
            // but we still need to enforce initialisation of content
            // provider
            // which can only happen if memento is not null
            memento = XMLMemento.createWriteRoot("bugExplorer");
        } else {
            try {
                memento = XMLMemento.createReadRoot(new StringReader(persistedMemento));
            } catch (WorkbenchException e) {
                // don't do anything. Simply don't restore the settings
            }
        }
    }
    super.init(site, memento);
}
 

@Override
public void dispose() {
    // XXX see https://bugs.eclipse.org/bugs/show_bug.cgi?id=223068
    XMLMemento memento = XMLMemento.createWriteRoot("bugExplorer"); //$NON-NLS-1$
    saveState(memento);
    StringWriter writer = new StringWriter();
    try {
        memento.save(writer);
        IDialogSettings dialogSettings = FindbugsPlugin.getDefault().getDialogSettings();
        dialogSettings.put(TAG_MEMENTO, writer.getBuffer().toString());
    } catch (IOException e) {
        // don't do anything. Simply don't store the settings
    }

    if (selectionListener != null) {
        getSite().getWorkbenchWindow().getSelectionService().removeSelectionListener(selectionListener);
        selectionListener = null;
    }
    super.dispose();
}
 

/**
 * Stores dialog settings.
 *
 * @param settings
 *            settings used to store dialog
 */
protected void storeDialog(IDialogSettings settings) {
	settings.put(SHOW_STATUS_LINE, toggleStatusLineAction.isChecked());

	XMLMemento memento = XMLMemento.createWriteRoot(HISTORY_SETTINGS);
	this.contentProvider.saveHistory(memento);
	StringWriter writer = new StringWriter();
	try {
		memento.save(writer);
		settings.put(HISTORY_SETTINGS, writer.getBuffer().toString());
	} catch (IOException e) {
		// Simply don't store the settings
		StatusManager
				.getManager()
				.handle(
						new Status(
								IStatus.ERROR,
								PlatformUI.PLUGIN_ID,
								IStatus.ERROR,
								WorkbenchMessages.FilteredItemsSelectionDialog_storeError,
								e));
	}
}
 

public void testSave() {
  XMLMemento memento = XMLMemento.createWriteRoot("JavaRef");

  // Set up a test JsniJavaRef to serialize
  JsniJavaRef ref = JsniJavaRef.parse("@com.hello.Hello::sayHi(Ljava/lang/String;)");
  ref.setOffset(25);
  ref.setSource(new Path("/MyProject/src/com/hello/Hello.java"));
  IndexedJsniJavaRef indexedRef = new IndexedJsniJavaRef(ref);

  indexedRef.save(memento);
  assertEquals("@com.hello.Hello::sayHi(Ljava/lang/String;)",
      memento.getTextData());
  assertEquals(25, memento.getInteger("offset").intValue());
  assertEquals("/MyProject/src/com/hello/Hello.java",
      memento.getString("source"));
}
 

public void saveIndex() {
  XMLMemento memento = XMLMemento.createWriteRoot(TAG_ROOT);
  persistIndex(memento);

  File indexFile = getIndexFile();
  FileWriter writer = null;
  try {
    try {
      writer = new FileWriter(indexFile);
      memento.save(writer);
    } finally {
      if (writer != null) {
        writer.close();
      }
    }
  } catch (IOException e) {
    CorePluginLog.logError(e, "Error saving index " + indexName);

    // Make sure we remove any partially-written file
    if (indexFile.exists()) {
      indexFile.delete();
    }
  }
}
 

private void saveIndex() {
  XMLMemento memento = XMLMemento.createWriteRoot(TAG_JAVA_REFS);
  saveIndex(memento);

  FileWriter writer = null;
  try {
    try {
      writer = new FileWriter(getIndexFile());
      memento.save(writer);
    } finally {
      if (writer != null) {
        writer.close();
      }
    }
  } catch (IOException e) {
    GWTPluginLog.logError(e, "Error saving search index");
  }
}
 

@Override
protected void storeDialog(IDialogSettings settings) {
	super.storeDialog(settings);

	if (! BUG_184693) {
		settings.put(SHOW_CONTAINER_FOR_DUPLICATES, fShowContainerForDuplicatesAction.isChecked());
	}

	if (fFilterActionGroup != null) {
		XMLMemento memento= XMLMemento.createWriteRoot("workingSet"); //$NON-NLS-1$
		fFilterActionGroup.saveState(memento);
		fFilterActionGroup.dispose();
		StringWriter writer= new StringWriter();
		try {
			memento.save(writer);
			settings.put(WORKINGS_SET_SETTINGS, writer.getBuffer().toString());
		} catch (IOException e) {
			// don't do anything. Simply don't store the settings
			JavaPlugin.log(e);
		}
	}
}
 

@Override
protected void storeDialog(IDialogSettings settings) {
    super.storeDialog(settings);

    XMLMemento memento = XMLMemento.createWriteRoot("workingSet"); //$NON-NLS-1$
    workingSetFilterActionGroup.saveState(memento);
    workingSetFilterActionGroup.dispose();
    StringWriter writer = new StringWriter();
    try {
        memento.save(writer);
        settings.put(WORKINGS_SET_SETTINGS, writer.getBuffer().toString());
    } catch (IOException e) {
        StatusManager.getManager().handle(
                new Status(IStatus.ERROR, AnalysisPlugin.getPluginID(), IStatus.ERROR, "", e)); //$NON-NLS-1$
        // don't do anything. Simply don't store the settings
    }
}
 

/**
 * Play export dialog and do the export 
 * 
 * @param prof - null to export all or the given profile
 * @param pm   - profile manager to get profiles from (when 'prof' == null)
 */
public static void exportProfiles(Shell shell, IProfile prof, ProfileManager pm) {
    String title = prof==null ? Messages.ProfileManager_ExportProfile : Messages.ProfileManager_ExportProfiles;
    String s = SWTFactory.browseFile(shell, true, title, new String[]{"*.xml"}, importExportPath); //$NON-NLS-1$
    if (s != null) {
        File f = new File(s);
        if (f.exists()) {
            if (!SWTFactory.YesNoQuestion(shell, title, 
                                          String.format(Messages.ProfileManager_ReplaceQuestion, s))) 
            {
                return;
            }
        }

        importExportPath = f.getParentFile().getAbsolutePath();
        XMLMemento memento = XMLMemento.createWriteRoot("tagExportedFormatterProfiles"); //$NON-NLS-1$
        int memNum = 0;
        int total = prof == null ? pm.size() : 1;
        for (int num=0; num < total; ++num) {
            IProfile ip = prof == null ? pm.get(num) : prof;
            IMemento childMem = memento.createChild(XML_FORMATTER_PROFILE_SECTION + memNum++);
            ip.toMemento(childMem);
        }
        try {
            f.delete();
            FileWriter fw = new FileWriter(f);
            memento.save(fw);
            fw.close();
        } catch(Exception e) {
            LogHelper.logError(e);
        }
    }
}
 

public void saveInstalledUpdatesRegistry(InstalledUpdatesRegistry installedUpdatesRegistry) throws IOException {
	XMLMemento memento = XMLMemento.createWriteRoot(TAG_INSTALLED_UPDATES);
	saveInstalledUpdatesRegistry(memento, installedUpdatesRegistry);
	
	FileWriter writer = new FileWriter(getInstalledUpdatesRegistryFile());
    memento.save(writer);
}
 

@Override
public void saveState(IMemento memento) {
	if (memento == null) {
		memento = XMLMemento.createWriteRoot(getFactoryId());
	}
	setMementoProperties(memento);
	saveCurrentMemento(memento);
}
 

public void testSave() {
  XMLMemento memento = XMLMemento.createWriteRoot("JavaRef");

  // Set up a test JsniJavaRefParamType to serialize
  JsniJavaRefParamType ref = JsniJavaRefParamType.parse(new Path(
      "/MyProject/src/com/hello/Hello.java"), 25, "Ljava/lang/String;");

  ref.save(memento);
  assertEquals("Ljava/lang/String;", memento.getTextData());
  assertEquals(25, memento.getInteger("offset").intValue());
  assertEquals("/MyProject/src/com/hello/Hello.java",
      memento.getString("source"));
}
 

protected void saveMemento() {
	XMLMemento memento = XMLMemento.createWriteRoot(URLS);
	saveList(memento);
	File file = UIEplPlugin.getDefault().getStateLocation().append(URLS).addFileExtension(XML).toFile();
	try {
		FileWriter writer = new FileWriter(file);
		memento.save(writer);
	} catch (IOException e) {
		IdeLog.logError(UIEplPlugin.getDefault(), e);
	}

}
 

private void disposeComponent() {
	if (fFilterActionGroup != null) {
		XMLMemento memento= XMLMemento.createWriteRoot("workingSet"); //$NON-NLS-1$
		fFilterActionGroup.saveState(memento);
		fFilterActionGroup.dispose();
		StringWriter writer= new StringWriter();
		try {
			memento.save(writer);
			fSettings.put(WORKINGS_SET_SETTINGS, writer.getBuffer().toString());
		} catch (IOException e) {
			// don't do anything. Simply don't store the settings
		}
	}
}
 

@Override
public void dispose() {
	XMLMemento memento= XMLMemento.createWriteRoot("packageExplorer"); //$NON-NLS-1$
	saveState(memento);
	StringWriter writer= new StringWriter();
	try {
		memento.save(writer);
		fDialogSettings.put(TAG_MEMENTO, writer.getBuffer().toString());
	} catch (IOException e) {
		// don't do anything. Simply don't store the settings
	}

	if (fContextMenu != null && !fContextMenu.isDisposed())
		fContextMenu.dispose();

	getSite().getPage().removePartListener(fLinkWithEditorListener); // always remove even if we didn't register

	JavaPlugin.getDefault().getPreferenceStore().removePropertyChangeListener(this);
	if (fViewer != null)
		fViewer.removeTreeListener(fExpansionListener);

	if (fActionSet != null)
		fActionSet.dispose();
	if (fFilterUpdater != null)
		ResourcesPlugin.getWorkspace().removeResourceChangeListener(fFilterUpdater);
	if (fWorkingSetModel != null)
		fWorkingSetModel.dispose();

	super.dispose();
}
 

public void save() {
	if (paletteStates.isEmpty()) {
		return;
	}

	// If there are already existing palette customizations we will add to
	// them, otherwise, create a new XML memento which makes it easy to save
	// the customizations in a tree format.
	XMLMemento rootMemento = getExistingCustomizations();
	if (rootMemento == null) {
		rootMemento = XMLMemento.createWriteRoot(PALETTE_CUSTOMIZATIONS_ID);
	}
	for (Iterator<Entry<PaletteEntry, IPaletteState>> iterator = paletteStates.entrySet().iterator(); iterator.hasNext();) {
		Entry<PaletteEntry, IPaletteState> entry = iterator.next();
		IMemento memento = getMementoForEntry(rootMemento, entry.getKey());
		if (memento != null) {
			entry.getValue().storeChangesInMemento(memento);
		}
	}

	StringWriter writer = new StringWriter();
	try {
		rootMemento.save(writer);

		if (preferences != null) {
			preferences.setValue(PALETTE_CUSTOMIZATIONS_ID, writer.toString());
		}
	} catch (IOException e) {
		Trace.catching(GefPlugin.getInstance(), GefDebugOptions.EXCEPTIONS_CATCHING, getClass(),
				"Problem saving the XML memento when saving the palette customizations.", //$NON-NLS-1$
				e);
		Log.warning(GefPlugin.getInstance(), GefStatusCodes.IGNORED_EXCEPTION_WARNING,
				"Problem saving the XML memento when saving the palette customizations.", //$NON-NLS-1$
				e);
	}

	paletteStates.clear();
}