| /******************************************************************************* |
| * Copyright (c) 2007, 2012 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.wst.validation; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.eclipse.wst.validation.internal.plugin.ValidationPlugin; |
| |
| /** |
| * Keep track of arbitrary validation data, during the course of a validation. |
| * <p> |
| * To enable more efficient caching, the validation framework, allows individual validators to cache |
| * arbitrary data during the validation process. Use of this object is completely optional. |
| * <p> |
| * Since some validators wish to share data with other validators, any validator can see the state data for |
| * any other validator, since the id is simply the validator's extension id. |
| * <p> |
| * This object is freed at the end of the validation process. |
| * @noextend |
| * @author karasiuk |
| * |
| */ |
| public final class ValidationState { |
| |
| /** |
| * This is a special id. |
| * <p> |
| * If a resource that is depended on by others is changed, then the |
| * dependent resources are validated. The depended on resource, which is the |
| * resource that actually changed, is placed into the ValidationState using |
| * this id. |
| * </p> |
| * @deprecated This approach is not thread safe, the longer form of the AbstractValidator validate method should be used instead. |
| * @see AbstractValidator#validate(ValidationEvent, ValidationState, org.eclipse.core.runtime.IProgressMonitor) |
| */ |
| public static final String TriggerResource = ValidationPlugin.PLUGIN_ID + ".Trigger"; //$NON-NLS-1$ |
| |
| // I can't use a ConncurrentHashMap because some of the clients store nulls. |
| private final Map<String, Object> _map = new HashMap<String, Object>(50); |
| |
| public ValidationState(){ |
| } |
| |
| /** |
| * Save some state information. |
| * |
| * @param id |
| * By convention this is the fully qualified validator extension id. |
| * For example: org.eclipse.wst.html.ui.HTMLValidator |
| * |
| * @param value |
| * Any arbitrary data that the validator might find useful. The |
| * validation framework doesn't do anything with this object except |
| * pass it along during the validation process. |
| */ |
| public synchronized void put(String id, Object value){ |
| _map.put(id, value); |
| } |
| |
| /** |
| * Answer the state data for the given validator. |
| * |
| * @param id |
| * By convention this is the fully qualified validator extension point |
| * id. For example org.eclipse.wst.html.ui.HTMLValidator |
| * |
| * @return any arbitrary data that the validator might find useful, |
| * including null. |
| */ |
| public synchronized Object get(String id){ |
| return _map.get(id); |
| } |
| |
| |
| } |