| /******************************************************************************* |
| * Copyright (c) 2001, 2004 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.internal.core; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.logging.Level; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.jem.util.logger.LogEntry; |
| import org.eclipse.jem.util.logger.proxy.Logger; |
| import org.eclipse.wst.validation.internal.TaskListUtility; |
| import org.eclipse.wst.validation.internal.operations.MessageInfo; |
| import org.eclipse.wst.validation.internal.operations.ValidatorManager; |
| import org.eclipse.wst.validation.internal.plugin.ValidationPlugin; |
| import org.eclipse.wst.validation.internal.provisional.core.IReporter; |
| import org.eclipse.wst.validation.internal.provisional.core.IValidationContext; |
| import org.eclipse.wst.validation.internal.provisional.core.IValidator; |
| import org.eclipse.wst.validation.internal.provisional.core.IValidatorJob; |
| |
| |
| |
| /** |
| * <p> |
| * This singleton launches the validation on a single validator. Clients should call this class's |
| * <code>start</code> method to begin the validation. |
| * </p> |
| */ |
| public class ValidatorLauncher { |
| private static ValidatorLauncher _launcher = null; |
| |
| |
| /** |
| * Default constructor |
| */ |
| private ValidatorLauncher() { |
| //Default constructor |
| } |
| |
| /** |
| * @return the singleton launcher. |
| */ |
| public static ValidatorLauncher getLauncher() { |
| if (_launcher == null) { |
| _launcher = new ValidatorLauncher(); |
| } |
| return _launcher; |
| } |
| |
| /** |
| * <p> |
| * This method is the launch point of the validation. It runs validation on the validator |
| * accessed by the IValidationContext. When the validation is complete, each validator may perform resource |
| * cleanup, if necessary. |
| * |
| * <br> |
| * <br> |
| * If <code>helper</code>,<code>validator</code>, or <code>reporter</code> are null, |
| * validation is not performed. <code>changedFiles</code> may be null, or empty, if a full |
| * build should be done. |
| * </p> |
| * |
| * @param helper |
| * loads an object. |
| * @param validator |
| * validator object to launch validation. |
| * @param reporter |
| * Is an instance of an IReporter interface, which is used for |
| * interaction with the user. |
| * @param changedFiles |
| * Is an array of files which have been added, changed, or deleted |
| * since the last validation. If <code>changedFiles</code> is null, or if it is an empty |
| * array, then a full validation should be performed. Otherwise, validation on just the files |
| * listed in the array should performed if the validator supports incremental validation. |
| */ |
| public void start(final IValidationContext helper, final IValidator validator, final IReporter reporter) throws ValidationException { |
| if ((helper == null) || (validator == null) || (reporter == null)) { |
| return; |
| } |
| |
| // Can't force each validator to check if it's cancelled or not, |
| // so check for cancellation here. Hopefully the user won't wait |
| // too long. |
| if (reporter.isCancelled()) { |
| return; |
| } |
| |
| // If the validator is about to perform a full build, remove all of its previous validation |
| // messages. |
| if ((helper.getURIs() == null) || (helper.getURIs().length == 0)) { |
| reporter.removeAllMessages(validator); |
| } |
| if( validator instanceof IValidatorJob ){ |
| ((IValidatorJob)validator).validateInJob(helper, reporter); |
| }else{ |
| validator.validate(helper, reporter); |
| } |
| if( validator instanceof IValidatorJob ){ |
| //the validators who have implemented IValidatorJob but are running synchronously |
| //would log messages now ... |
| ValidatorManager mgr = ValidatorManager.getManager(); |
| final ArrayList list = mgr.getMessages((IValidatorJob)validator); |
| |
| Iterator it = list.iterator(); |
| while( it.hasNext() ){ |
| MessageInfo info = (MessageInfo)it.next(); |
| try { |
| TaskListUtility.addTask( info.getMessageOwnerId(), info.getResource(), |
| info.getLocation(), info.getMsg().getId(), info.getText(), |
| info.getMsg().getSeverity(), info.getTargetObjectName(), |
| info.getMsg().getGroupName(), info.getMsg().getOffset(), info.getMsg().getLength()); |
| |
| } catch (CoreException exc) { |
| Logger logger = ValidationPlugin.getPlugin().getMsgLogger(); |
| if (logger.isLoggingLevel(Level.SEVERE)) { |
| LogEntry entry = ValidationPlugin.getLogEntry(); |
| entry.setTargetException(exc); |
| logger.write(Level.SEVERE, entry); |
| } |
| } |
| } |
| mgr.clearMessages( (IValidatorJob)validator ); |
| } |
| |
| } |
| |
| } |