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/*******************************************************************************
* Copyright (c) 2009, 2010 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
* Cloudsmith Inc - ongoing implementation
*******************************************************************************/
package org.eclipse.equinox.internal.p2.repository.helpers;
import java.io.File;
import java.net.*;
import org.eclipse.core.runtime.*;
import org.eclipse.equinox.internal.p2.repository.Activator;
import org.eclipse.equinox.p2.repository.IRepository;
import org.eclipse.osgi.util.NLS;
public class RepositoryHelper {
protected static final String FILE_SCHEME = "file"; //$NON-NLS-1$
/**
* If the provided URI can be interpreted as representing a local address (no schema, or one letter schema)
* but is missing the file schema, a new URI is created which represents the local file.
*
* @param location the URI to convert
* @return the converted URI, or the original
*/
public static URI localRepoURIHelper(URI location) {
if (location == null)
return null;
if (location.getScheme() == null)
// Probably a local path: /home/user/repo
location = (new File(location.getPath())).getAbsoluteFile().toURI();
else if (location.getScheme().length() == 1)
// Probably a windows path: C:\repo
location = (new File(URIUtil.toUnencodedString(location))).toURI();
else if (!FILE_SCHEME.equalsIgnoreCase(location.getScheme()))
// This else must occur last!
return location;
// Zipped repository?
String lowerCase = location.toString().toLowerCase();
if (lowerCase.endsWith(".jar") || lowerCase.endsWith(".zip")) //$NON-NLS-1$//$NON-NLS-2$
return URIUtil.toJarURI(location, null);
return location;
}
/**
* Determine if the repository could be used as a valid destination (eg, it is modifiable)
* @param repository the repository to test
* @return the repository
*/
public static <T> IRepository<T> validDestinationRepository(IRepository<T> repository) {
if (!repository.isModifiable())
throw new IllegalStateException(NLS.bind(Messages.DestinationNotModifiable, repository.getLocation()));
return repository;
}
/**
* Determine if the location is a syntactically correct repository location. Intended to be used
* from the UI when checking validity of user input.
*
* @throws IllegalArgumentException if location is null
*/
public static IStatus checkRepositoryLocationSyntax(URI location) {
if (location == null)
throw new IllegalArgumentException("Location cannot be null"); //$NON-NLS-1$
if (!location.isAbsolute())
return new Status(IStatus.ERROR, Activator.ID, Messages.locationMustBeAbsolute);
try {
new URL(location.getScheme(), "dummy.com", -1, "dummy.txt"); //$NON-NLS-1$ //$NON-NLS-2$
} catch (MalformedURLException e) {
return new Status(IStatus.ERROR, Activator.ID, Messages.schemeNotSupported);
}
return Status.OK_STATUS;
}
}
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