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/*******************************************************************************
* 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.xsd.ui.internal;
import java.io.IOException;
import java.io.InputStream;
import org.eclipse.core.resources.IFile;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.resource.impl.URIConverterImpl;
import org.eclipse.wst.xml.uriresolver.util.IdResolver;
import org.eclipse.wst.xml.uriresolver.util.IdResolverImpl;
public class XSDURIConverter extends URIConverterImpl
{
IFile resourceFile;
public XSDURIConverter(IFile resourceFile)
{
super();
this.resourceFile = resourceFile;
}
/**
* @see org.eclipse.emf.ecore.resource.URIConverter#createInputStream(URI)
*/
public InputStream createInputStream(URI uri) throws IOException
{
String scheme = uri.scheme();
URI mappedURI = uri;
if (scheme != null && !scheme.equals("file") && !scheme.equals("platform"))
// if ("http".equals(scheme))
{
String theURI = uri.toString();
IdResolver idResolver = new IdResolverImpl(theURI);
String result = idResolver.resolveId("/", null, theURI);
if (result != null)
{
mappedURI = createURI(result);
}
}
return super.createURLInputStream(mappedURI);
}
public static URI createURI(String uriString)
{
if (hasProtocol(uriString))
return URI.createURI(uriString);
else
return URI.createFileURI(uriString);
}
private static boolean hasProtocol(String uri)
{
boolean result = false;
if (uri != null)
{
int index = uri.indexOf(":");
if (index != -1 && index > 2) // assume protocol with be length 3 so that the'C' in 'C:/' is not interpreted as a protocol
{
result = true;
}
}
return result;
}
private String getRelativePathToSchema(String a, String b)
{
String result;
if (b.startsWith(a))
{
result = b.substring(a.length() + 1);
return result;
}
else
{
return b;
}
}
}
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