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/*******************************************************************************
* Copyright (c) 2009, 2019 Mountainminds GmbH & Co. KG and Contributors
* 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:
* Marc R. Hoffmann - initial API and implementation
*
*******************************************************************************/
package org.jacoco.report.internal.xml;
import java.io.IOException;
import java.io.InputStream;
import org.xml.sax.EntityResolver;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
/**
* Loader for local DTD definitions to avoid network access.
*/
class LocalEntityResolver implements EntityResolver {
private final Class<?> resourceDelegate;
public LocalEntityResolver(Class<?> resourceDelegate) {
this.resourceDelegate = resourceDelegate;
}
public InputSource resolveEntity(final String publicId, String systemId)
throws SAXException, IOException {
final int sep = systemId.lastIndexOf('/');
if (sep != -1) {
systemId = systemId.substring(sep + 1);
}
final InputStream in = resourceDelegate.getResourceAsStream(systemId);
if (in == null) {
throw new IOException("No local copy for " + systemId);
}
return new InputSource(in);
}
}
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