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/*******************************************************************************
* Copyright (c) 2009 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.help.internal.webapp.servlet;
import java.io.OutputStream;
import javax.servlet.http.HttpServletRequest;
import org.eclipse.help.webapp.IFilter;
/**
* This class is a filter based on PluginsRootResolvingStream
* which replaces PLUGINS_ROOT with a relative path to eliminate redirects.
* It also performs preprocessing to add child links at runtime.
*/
public class PluginsRootFilter implements IFilter {
@Override
public OutputStream filter(HttpServletRequest req, OutputStream out) {
String pathPrefix = FilterUtils.getRelativePathPrefix(req);
if (pathPrefix.length() >= 3) {
return new PluginsRootResolvingStream(out, req, pathPrefix.substring(0, pathPrefix.length() - 3));
}
return out;
}
}
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