/******************************************************************************* | |
* Copyright (c) 2000, 2005 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.update.internal.core; | |
import java.io.IOException; | |
import java.io.InputStream; | |
import java.net.MalformedURLException; | |
import java.net.URL; | |
import java.util.Date; | |
import org.eclipse.core.runtime.CoreException; | |
import org.eclipse.core.runtime.IProgressMonitor; | |
import org.eclipse.osgi.util.NLS; | |
import org.eclipse.update.core.BaseSiteFactory; | |
import org.eclipse.update.core.ISite; | |
import org.eclipse.update.core.ISiteFactoryExtension; | |
import org.eclipse.update.core.Site; | |
import org.eclipse.update.core.SiteFeatureReferenceModel; | |
import org.eclipse.update.core.Utilities; | |
import org.eclipse.update.core.model.InvalidSiteTypeException; | |
import org.eclipse.update.core.model.SiteModelFactory; | |
import org.eclipse.update.internal.model.SiteWithTimestamp; | |
/** | |
* An update site factory. | |
* | |
*/ | |
public class SiteURLFactory extends BaseSiteFactory implements ISiteFactoryExtension { | |
/* | |
* For backward compatibility. | |
*/ | |
public ISite createSite(URL url) throws CoreException, InvalidSiteTypeException { | |
return createSite(url, null); | |
} | |
/* | |
* @see ISiteFactory#createSite(URL, boolean) | |
* | |
* the URL can be of the following form | |
* 1 protocol://...../ | |
* 2 protocol://..... | |
* 3 protocol://..../site.xml | |
* | |
* 1 If the file of the file of teh url ends with '/', attempt to open the stream. | |
* if it fails, add site.xml and attempt to open the stream | |
* | |
* 2 attempt to open the stream | |
* fail | |
* add '/site.xml' and attempt to open the stream | |
* sucess | |
* attempt to parse, if it fails, add '/site.xml' and attempt to open teh stream | |
* | |
* 3 open the stream | |
*/ | |
public ISite createSite(URL url, IProgressMonitor monitor) throws CoreException, InvalidSiteTypeException { | |
Site site = null; | |
InputStream siteStream = null; | |
try { | |
SiteURLContentProvider contentProvider = new SiteURLContentProvider(url); | |
URL resolvedURL = URLEncoder.encode(url); | |
Response response = UpdateCore.getPlugin().get(resolvedURL); | |
UpdateManagerUtils.checkConnectionResult(response, resolvedURL); | |
siteStream = response.getInputStream(monitor); | |
// the stream can be null if the user cancels the connection | |
if (siteStream==null) return null; | |
SiteModelFactory factory = this; | |
site = (Site) factory.parseSite(siteStream); | |
site.setSiteContentProvider(contentProvider); | |
contentProvider.setSite(site); | |
site.resolve(url, url); | |
site.markReadOnly(); | |
SiteWithTimestamp siteWithTimestamp = new SiteWithTimestamp(site); | |
siteWithTimestamp.setTimestamp( new Date(response.getLastModified())); | |
site = siteWithTimestamp; | |
} catch (MalformedURLException e) { | |
throw Utilities.newCoreException(NLS.bind(Messages.SiteURLFactory_UnableToCreateURL, (new String[] { url == null ? "" : url.toExternalForm() })), e); //$NON-NLS-1$ | |
} catch (IOException e) { | |
throw Utilities.newCoreException(NLS.bind(Messages.SiteURLFactory_UnableToAccessSiteStream, (new String[] { url == null ? "" : url.toExternalForm() })), ISite.SITE_ACCESS_EXCEPTION, e); //$NON-NLS-1$ | |
} finally { | |
if (siteStream != null) { | |
try { | |
siteStream.close(); | |
} catch (IOException e) { | |
} | |
} | |
} | |
return site; | |
} | |
/* | |
* @see SiteModelFactory#canParseSiteType(String) | |
*/ | |
public boolean canParseSiteType(String type) { | |
return (super.canParseSiteType(type) || SiteURLContentProvider.SITE_TYPE.equalsIgnoreCase(type)); | |
} | |
/* (non-Javadoc) | |
* @see org.eclipse.update.core.BaseSiteFactory#createFeatureReferenceModel() | |
*/ | |
public SiteFeatureReferenceModel createFeatureReferenceModel() { | |
return new UpdateSiteFeatureReference(); | |
} | |
} |