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/*******************************************************************************
* 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.common.internal.environment.uri.file;
import java.net.URL;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.osgi.util.NLS;
import org.eclipse.wst.common.environment.uri.IURI;
import org.eclipse.wst.common.environment.uri.IURIScheme;
import org.eclipse.wst.common.environment.uri.URIException;
import org.eclipse.wst.common.internal.environment.eclipse.Messages;
import org.eclipse.wst.common.internal.environment.relative.RelativeScheme;
import org.eclipse.wst.common.internal.environment.relative.RelativeURI;
public class FileScheme extends RelativeScheme
{
public String toString()
{
return "file";
}
/* (non-Javadoc)
* @see org.eclipse.env.uri.URIScheme#isValid(org.eclipse.env.uri.URI)
*/
public boolean isValid(IURI uri)
{
boolean result = false;
if( uri == null ) return false;
IURIScheme scheme = uri.getURIScheme();
if( scheme.toString().equals( "relative") ) return scheme.isValid( uri );
String uriString = uri.toString();
if( uriString != null && uriString.startsWith( "file:" ) )
{
result = true;
}
return result;
}
/* (non-Javadoc)
* @see org.eclipse.env.uri.URIScheme#newURI(java.lang.String)
*/
public IURI newURI(String uri) throws URIException
{
String newURI = null;
if( uri != null && uri.startsWith( "file:") )
{
// The file protocol has been specified so keep it as is.
newURI = uri;
}
else if( uri == null || uri.indexOf( ":") != -1 )
{
// The file uri is not allowed to contain some other protocol.
throw new URIException(
new Status( IStatus.ERROR, "id", 0,
NLS.bind( Messages.MSG_INVALID_FILE_URL,uri), null ) );
}
else if( uri.startsWith( "/") )
{
// The file scheme has not been specified so we will add it.
newURI = "file:" + uri;
}
if( newURI == null )
{
return new RelativeURI( uri );
}
else
{
return new FileURI( newURI );
}
}
/* (non-Javadoc)
* @see org.eclipse.env.uri.URIScheme#newURI(org.eclipse.env.uri.URI)
*/
public IURI newURI(IURI uri) throws URIException
{
return newURI( uri == null ? null : uri.toString() );
}
/* (non-Javadoc)
* @see org.eclipse.env.uri.URIScheme#newURI(java.net.URL)
*/
public IURI newURI(URL url) throws URIException
{
return newURI( url == null ? null : url.toString() );
}
}
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