| /******************************************************************************* |
| * Copyright (c) 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.command.env.eclipse; |
| |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.wst.command.env.core.common.MessageUtils; |
| import org.eclipse.wst.command.env.core.common.SimpleStatus; |
| import org.eclipse.wst.command.env.core.common.Status; |
| import org.eclipse.wst.command.env.core.uri.RelativeURI; |
| import org.eclipse.wst.command.env.core.uri.URI; |
| import org.eclipse.wst.command.env.core.uri.URIException; |
| import org.eclipse.wst.command.env.core.uri.URIScheme; |
| |
| |
| public class EclipseScheme implements URIScheme |
| { |
| private BaseEclipseEnvironment environment_; |
| private MessageUtils msg_; |
| |
| public EclipseScheme( BaseEclipseEnvironment environment ) |
| { |
| environment_ = environment; |
| msg_ = new MessageUtils( "org.eclipse.wst.command.env.common.environment", this ); |
| } |
| |
| /** |
| */ |
| public boolean isHierarchical() |
| { |
| return true; |
| } |
| |
| /** |
| */ |
| public boolean isValid(URI uri) |
| { |
| boolean result = true; |
| |
| if( uri == null ) return false; |
| |
| try |
| { |
| getPathFromPlatformURI( uri.toString() ); |
| } |
| catch( URIException exc ) |
| { |
| result = false; |
| } |
| |
| return result; |
| } |
| |
| /** |
| */ |
| public URI newURI(String uri) throws URIException |
| { |
| String newURI = null; |
| |
| if( uri.startsWith( "platform:/resource") ) |
| { |
| // The platform has been specified so keep it as is. |
| newURI = uri; |
| } |
| else if( uri.indexOf( ":") != -1 ) |
| { |
| // The platform uri is not allowed to contain some other protocol. |
| throw new URIException( |
| new SimpleStatus( "EclipseScheme", |
| msg_.getMessage("MSG_INVALID_PLATFORM_URL", new Object[]{uri}), |
| Status.ERROR ) ); |
| } |
| else if( uri.startsWith( "/") ) |
| { |
| // The platform scheme has not been specified so we will add it. |
| newURI = "platform:/resource" + uri; |
| } |
| |
| if( newURI == null ) |
| { |
| return new RelativeURI( uri ); |
| } |
| else |
| { |
| return new EclipseURI( newURI, environment_ ); |
| } |
| } |
| |
| /** |
| */ |
| public URI newURI(URI uri) throws URIException |
| { |
| return newURI( uri.toString() ); |
| } |
| |
| /** |
| */ |
| public URI newURI(URL url) throws URIException |
| { |
| return newURI( url.toString() ); |
| } |
| |
| /** |
| */ |
| public Status validate(URI uri) |
| { |
| Status status = null; |
| |
| try |
| { |
| getPathFromPlatformURI( uri.toString() ); |
| status = new SimpleStatus( "" ); |
| } |
| catch( URIException exc ) |
| { |
| status = exc.getStatus(); |
| } |
| |
| return status; |
| } |
| |
| /** |
| * Gets the "platform:/resource" IPath given a url |
| * |
| */ |
| public String getPathFromPlatformURI(String uri) throws URIException |
| { |
| String resourceFile = null; |
| URL url = null; |
| |
| try |
| { |
| url = new URL( uri ); |
| } |
| catch( MalformedURLException exc ) |
| { |
| } |
| |
| if( url == null ) |
| { |
| throw new URIException( |
| new SimpleStatus( "EclipseScheme", |
| msg_.getMessage("MSG_INVALID_PLATFORM_URL", new Object[]{uri}), |
| Status.ERROR ) ); |
| } |
| if( url.getProtocol().equals("platform") ) |
| { |
| String resourceURL = url.getFile(); |
| |
| if (resourceURL.startsWith("/resource")) |
| { |
| resourceFile = resourceURL.substring(10); // omit the "/resource" portion |
| } |
| } |
| else |
| { |
| throw new URIException( |
| new SimpleStatus( "EclipseScheme", |
| msg_.getMessage("MSG_INVALID_PLATFORM_URL", new Object[]{url.getFile()}), |
| Status.ERROR ) ); |
| } |
| |
| return resourceFile; |
| } |
| |
| /** |
| * |
| * @param absolutePath an absolute IPath |
| * @return returns the platform URI for this path. |
| */ |
| public String getURLFromPath( IPath absolutePath ) |
| { |
| return "platform:/resource" + absolutePath; |
| } |
| } |