Java tutorial
/******************************************************************************* * Copyright (c) 2012, 2013 VMware, Inc. * 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 * https://www.eclipse.org/legal/epl-v10.html * * Contributors: * VMware, Inc. - initial API and implementation *******************************************************************************/ package org.springframework.ide.eclipse.wizard; import java.io.IOException; import java.net.URL; import java.net.URLConnection; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Status; import org.eclipse.ui.plugin.AbstractUIPlugin; import org.osgi.framework.BundleContext; import org.springframework.ide.eclipse.wizard.template.BundleTemplateLocation; import org.springsource.ide.eclipse.commons.content.core.ContentLocation; import org.springsource.ide.eclipse.commons.frameworks.core.downloadmanager.URLConnectionFactory; /** * The activator class controls the plug-in life cycle * @author Terry Denney * @author Leo Dos Santos * @author Christian Dupuis */ public class WizardPlugin extends AbstractUIPlugin { // The plug-in ID public static final String PLUGIN_ID = "org.springframework.ide.eclipse.wizard"; //$NON-NLS-1$ // The shared instance private static WizardPlugin plugin; /** * Location of additional templates inside the bundle */ private BundleTemplateLocation bundleTemplateLocation; /** * The constructor */ public WizardPlugin() { } /* * (non-Javadoc) * * @see * org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext * ) */ @Override public void start(BundleContext context) throws Exception { super.start(context); plugin = this; } /* * (non-Javadoc) * * @see * org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext * ) */ @Override public void stop(BundleContext context) throws Exception { plugin = null; super.stop(context); } /** * Returns the shared instance * * @return the shared instance */ public static WizardPlugin getDefault() { return plugin; } /** * Returns one instance of template descriptor location inside the wizard * bundle per runtime session. This location contains templates for simple * template projects. */ public ContentLocation getTemplateContentLocation() { if (bundleTemplateLocation == null) { bundleTemplateLocation = new BundleTemplateLocation(); } return bundleTemplateLocation; } /** * Returns a new <code>IStatus</code> for this plug-in */ public static IStatus createErrorStatus(Throwable exception) { String message = exception.getMessage(); if (message == null) { message = ""; } return new Status(IStatus.ERROR, PLUGIN_ID, 0, message, exception); } public static void log(Throwable exception) { getDefault().getLog().log(createErrorStatus(exception)); } public static URLConnectionFactory getUrlConnectionFactory() { final String userAgent = "STS/" + WizardPlugin.getDefault().getBundle().getVersion(); //TODO: post 3.7.2 the URLConnectionFactory in master will have support for adding userAgent string // so we do not have to implement it here by subclassing. return new URLConnectionFactory() { @Override public URLConnection createConnection(URL url) throws IOException { URLConnection conn = super.createConnection(url); conn.addRequestProperty("User-Agent", userAgent); return conn; } }; } }