| /******************************************************************************* |
| * Copyright (c) 2007 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| ******************************************************************************/ |
| |
| package org.eclipse.ui.internal.progress; |
| |
| import java.util.HashMap; |
| |
| import org.eclipse.ui.progress.IProgressConstants; |
| import org.eclipse.ui.statushandlers.StatusAdapter; |
| |
| /** |
| * StatusAdapterHelper is a class for caching {@link StatusAdapter} instances to make sure |
| * they are not created twice within the progress service. |
| * @since 3.3 |
| */ |
| public class StatusAdapterHelper { |
| private static StatusAdapterHelper instance; |
| |
| private HashMap map; |
| |
| private StatusAdapterHelper() { |
| } |
| |
| /** |
| * Return the singleton. |
| * @return StatusAdapterHelper |
| */ |
| public static StatusAdapterHelper getInstance() { |
| if (instance == null) { |
| instance = new StatusAdapterHelper(); |
| } |
| return instance; |
| } |
| |
| /** |
| * Set the {@link StatusAdapter} for the {@link JobInfo} |
| * @param info |
| * @param statusAdapter |
| */ |
| public void putStatusAdapter(JobInfo info, StatusAdapter statusAdapter) { |
| if (map == null) { |
| map = new HashMap(); |
| } |
| map.put(info, statusAdapter); |
| } |
| |
| /** |
| * Return the adapter for this info. |
| * @param info |
| * @return |
| */ |
| public StatusAdapter getStatusAdapter(JobInfo info) { |
| if (map == null) { |
| return null; |
| } |
| StatusAdapter statusAdapter = (StatusAdapter) map.remove(info); |
| statusAdapter.setProperty( |
| IProgressConstants.NO_IMMEDIATE_ERROR_PROMPT_PROPERTY, |
| Boolean.FALSE); |
| return statusAdapter; |
| } |
| |
| public void clear() { |
| if (map != null) { |
| map.clear(); |
| } |
| } |
| } |