blob: 5d2b50532ef65ac9ca886418c7066b029cb33ab6 [file] [log] [blame]
/*******************************************************************************
* 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.internet.cache.internal;
import java.text.MessageFormat;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
import org.eclipse.core.runtime.Platform;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.eclipse.wst.internet.cache.internal.preferences.PreferenceConstants;
import org.osgi.framework.BundleContext;
/**
* The main plugin class to be used in the desktop.
*/
public class CachePlugin extends AbstractUIPlugin {
public static final String PLUGIN_ID = "org.eclipse.wst.internet.cache";
//The shared instance.
private static CachePlugin plugin;
//Resource bundle.
private ResourceBundle resourceBundle;
private CacheJob job = null;
/**
* The constructor.
*/
public CachePlugin() {
super();
plugin = this;
}
/**
* This method is called upon plug-in activation
*/
public void start(BundleContext context) throws Exception {
super.start(context);
ToCacheRegistryReader.getInstance().readRegistry();
Cache.open(Platform.getPluginStateLocation(this));
if(getPluginPreferences().contains(PreferenceConstants.CACHE_ENABLED))
{
setCacheEnabled(getPluginPreferences().getBoolean(PreferenceConstants.CACHE_ENABLED));
}
else
{
setCacheEnabled(true);
}
}
/**
* This method is called when the plug-in is stopped
*/
public void stop(BundleContext context) throws Exception {
Cache.getInstance().close();
stopJob();
super.stop(context);
plugin = null;
resourceBundle = null;
}
/**
* Returns the shared instance.
*/
public static CachePlugin getDefault() {
return plugin;
}
/**
* Returns the string from the plugin's resource bundle,
* or 'key' if not found.
*/
public static String getResourceString(String key) {
ResourceBundle bundle = ResourceBundle.getBundle("org.eclipse.wst.internet.cache.internal.CachePluginResources");
try {
return (bundle != null) ? bundle.getString(key) : key;
} catch (MissingResourceException e) {
return key;
}
}
/**
* Returns the string from the plugin's resource bundle using the specified object,
* or 'key' if not found.
*/
public static String getResourceString(String key, Object s1)
{
return MessageFormat.format(getResourceString(key), new Object[] { s1 });
}
/**
* Returns the plugin's resource bundle,
*/
public ResourceBundle getResourceBundle() {
try {
if (resourceBundle == null)
resourceBundle = ResourceBundle.getBundle("plugin");
} catch (MissingResourceException x) {
resourceBundle = null;
}
return resourceBundle;
}
/**
* Returns an image descriptor for the image file at the given
* plug-in relative path.
*
* @param path the path
* @return the image descriptor
*/
public static ImageDescriptor getImageDescriptor(String path) {
return AbstractUIPlugin.imageDescriptorFromPlugin("org.eclipse.wst.internet.cache", path);
}
public void setCacheEnabled(boolean enabled)
{
getPluginPreferences().setValue(PreferenceConstants.CACHE_ENABLED, enabled);
if(enabled)
{
startJob();
}
else
{
stopJob();
}
}
public boolean isCacheEnabled()
{
if(getPluginPreferences().contains(PreferenceConstants.CACHE_ENABLED))
return getPluginPreferences().getBoolean(PreferenceConstants.CACHE_ENABLED);
return true;
}
private void startJob()
{
if(job == null)
{
job = new CacheJob();
job.setPriority(CacheJob.DECORATE);
job.schedule(); // start as soon as possible
}
}
private void stopJob()
{
if(job != null)
{
job.cancel();
}
job = null;
}
}