| /******************************************************************************* |
| * Copyright (c) 2008, 2015 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.help.internal.entityresolver; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.StringReader; |
| import java.net.URL; |
| |
| import org.eclipse.core.runtime.FileLocator; |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.help.internal.HelpPlugin; |
| import org.osgi.framework.Bundle; |
| import org.xml.sax.EntityResolver; |
| import org.xml.sax.InputSource; |
| import org.xml.sax.SAXException; |
| |
| public class LocalEntityResolver implements EntityResolver { |
| |
| @Override |
| public InputSource resolveEntity(String publicId, String systemId) throws SAXException, IOException { |
| int index = systemId.lastIndexOf("/"); //$NON-NLS-1$ |
| if (index >= 0) { |
| Bundle helpBundle = HelpPlugin.getDefault().getBundle(); |
| String dtdPath = "dtds/internal" + systemId.substring(index); //$NON-NLS-1$ |
| URL dtdURL = FileLocator.find(helpBundle, new Path(dtdPath), null); |
| if (dtdURL != null) { |
| InputStream stream = dtdURL.openStream(); |
| if (stream != null) { |
| InputSource is = new InputSource(stream); |
| is.setSystemId(systemId); |
| is.setPublicId(publicId); |
| return is; |
| } |
| } |
| } |
| return new InputSource(new StringReader("")); //$NON-NLS-1$ |
| } |
| |
| } |