| /******************************************************************************* |
| * 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.statushandlers; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IConfigurationElement; |
| import org.eclipse.ui.IPluginContribution; |
| import org.eclipse.ui.internal.registry.IWorkbenchRegistryConstants; |
| import org.eclipse.ui.statushandlers.AbstractStatusHandler; |
| |
| /** |
| * The status handler descriptor. |
| * |
| * @since 3.3 |
| */ |
| public class StatusHandlerDescriptor implements IPluginContribution { |
| |
| private AbstractStatusHandler cachedInstance; |
| |
| private final static String PREFIX = "prefix"; //$NON-NLS-1$ |
| |
| private IConfigurationElement configElement; |
| |
| private String id; |
| |
| private String pluginId; |
| |
| private String prefix; |
| |
| /** |
| * @param configElement |
| */ |
| public StatusHandlerDescriptor(IConfigurationElement configElement) { |
| super(); |
| this.configElement = configElement; |
| id = configElement.getAttribute(IWorkbenchRegistryConstants.ATT_ID); |
| pluginId = configElement.getContributor().getName(); |
| } |
| |
| /** |
| * Gets an instance of the status handler defined in the descriptor. |
| * |
| * @return the status handler |
| * @throws CoreException |
| * thrown if there is a problem creating the handler |
| */ |
| public synchronized AbstractStatusHandler getStatusHandler() |
| throws CoreException { |
| if (cachedInstance == null) { |
| AbstractStatusHandler statusHandler = (AbstractStatusHandler) configElement |
| .createExecutableExtension(IWorkbenchRegistryConstants.ATT_CLASS); |
| statusHandler.setId(configElement |
| .getAttribute(IWorkbenchRegistryConstants.ATT_ID)); |
| |
| IConfigurationElement parameters[] = configElement |
| .getChildren(IWorkbenchRegistryConstants.TAG_PARAMETER); |
| |
| Map params = new HashMap(); |
| |
| for (int i = 0; i < parameters.length; i++) { |
| params |
| .put( |
| parameters[i] |
| .getAttribute(IWorkbenchRegistryConstants.ATT_NAME), |
| parameters[i] |
| .getAttribute(IWorkbenchRegistryConstants.ATT_VALUE)); |
| } |
| |
| statusHandler.setParams(params); |
| cachedInstance = statusHandler; |
| } |
| return cachedInstance; |
| } |
| |
| /** |
| * Gets prefix parameter for the status handler defined in the descriptor. |
| * |
| * @return prefix parameter |
| */ |
| public String getPrefix() { |
| IConfigurationElement parameters[] = configElement |
| .getChildren(IWorkbenchRegistryConstants.TAG_PARAMETER); |
| |
| for (int i = 0; i < parameters.length; i++) { |
| if (parameters[i] |
| .getAttribute(IWorkbenchRegistryConstants.ATT_NAME).equals( |
| PREFIX)) { |
| prefix = parameters[i] |
| .getAttribute(IWorkbenchRegistryConstants.ATT_VALUE); |
| } |
| } |
| return prefix; |
| } |
| |
| /** |
| * Returns the id of the status handler. |
| * |
| * @return the id |
| */ |
| public String getId() { |
| return id; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.IPluginContribution#getLocalId() |
| */ |
| public String getLocalId() { |
| return id; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.IPluginContribution#getPluginId() |
| */ |
| public String getPluginId() { |
| return pluginId; |
| } |
| } |