/*******************************************************************************
* Copyright (c) 2000, 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
*
*******************************************************************************/
package org.eclipse.dltk.validators.internal.ui;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.TransformerException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.dltk.validators.core.IValidator;
import org.eclipse.dltk.validators.core.ValidatorRuntime;
import org.eclipse.dltk.validators.internal.core.ValidatorDefinitionsContainer;
import org.eclipse.jface.operation.IRunnableWithProgress;
/**
* Saves validator settings.
*/
public class ValidatorUpdater {
/**
* Updates Validator settings and returns whether the update was successful.
*
* @param validators
* new installed ValidatorEnvironments
* @param defaultInterp
* new default Validator
* @return whether the update was successful
*/
public boolean updateValidatorSettings(IValidator[] validators) {
// Create a Validator definition container
final ValidatorDefinitionsContainer container = new ValidatorDefinitionsContainer();
// Set the Validators on the container
container.addValidators(validators);
// Generate XML for the Validator defs and save it as the new value of
// the Validator preference
saveValidatorDefinitions(container);
return true;
}
private void saveValidatorDefinitions(
final ValidatorDefinitionsContainer container) {
IRunnableWithProgress runnable = new IRunnableWithProgress() {
public void run(IProgressMonitor monitor)
throws InvocationTargetException, InterruptedException {
try {
monitor
.beginTask(ValidatorMessages.ValidatorUpdater_0,
100);
String xml = container.getAsXML();
monitor.worked(40);
ValidatorRuntime.getPreferences().setValue(
ValidatorRuntime.PREF_VALIDATOR_XML,
xml);
monitor.worked(30);
ValidatorRuntime.savePreferences();
monitor.worked(30);
} catch (IOException ioe) {
ValidatorsUI.log(ioe);
} catch (ParserConfigurationException e) {
ValidatorsUI.log(e);
} catch (TransformerException e) {
ValidatorsUI.log(e);
} finally {
monitor.done();
}
}
};
try {
ValidatorsUI.getDefault().getWorkbench().getProgressService()
.busyCursorWhile(runnable);
} catch (InvocationTargetException e) {
ValidatorsUI.log(e);
} catch (InterruptedException e) {
ValidatorsUI.log(e);
}
}
}