/*******************************************************************************
* Copyright (c) 2006, 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.cheatsheets.handlers;
import java.net.MalformedURLException;
import java.net.URL;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.ui.cheatsheets.OpenCheatSheetAction;
/**
* Opens a cheatsheet given an id, name and a URL to a cheat sheet content file.
*
* @since 3.2
*/
public class OpenCheatSheetURLHandler extends AbstractHandler {
private static final String PARAM_ID_CHEAT_SHEET_ID = "cheatSheetId"; //$NON-NLS-1$
private static final String PARAM_ID_NAME = "name"; //$NON-NLS-1$
private static final String PARAM_ID_URL = "url"; //$NON-NLS-1$
public Object execute(ExecutionEvent event) throws ExecutionException {
String cheatSheetId = event.getParameter(PARAM_ID_CHEAT_SHEET_ID);
if (cheatSheetId == null) {
throw new ExecutionException("missing cheatSheetId parameter"); //$NON-NLS-1$
}
String name = event.getParameter(PARAM_ID_NAME);
if (name == null) {
throw new ExecutionException("missing name parameter"); //$NON-NLS-1$
}
String urlText = event.getParameter(PARAM_ID_URL);
if (urlText == null) {
throw new ExecutionException("missing url parameter"); //$NON-NLS-1$
}
URL url;
try {
url = new URL(urlText);
} catch (MalformedURLException ex) {
throw new ExecutionException("malformed url: " + urlText, ex); //$NON-NLS-1$
}
OpenCheatSheetAction action = new OpenCheatSheetAction(cheatSheetId,
name, url);
action.run();
return null;
}
}