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Copyright (C) 2011 Ursa Project LLC ( Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
package com.ursaj.hfs.server;
Handle GC requests servlet.
public final class HfsGcServlet extends HfsServletAdapter {
Handle JS upload library request.

req HTTP request.
resp HTTP response to write JS library content to.
javax.servlet.ServletException In case of any servlet exception. In case of any IO exception.
    protected void doGet(HttpServletRequest reqHttpServletResponse respthrows ServletExceptionIOException {
        // Parse GC request information from the provided token.
        HfsGcRequest gcReq = getHfsClient().parseGcRequest(getToken(req));
        // Render garbage collector response, compatible with HFS server.
        HfsGcResponseWriter out = new HfsGcResponseWriter(resp.getOutputStream());
        try {
            // Collect and handle alive file IDs for specified GC request.
            getFileService().collectAliveFiles(gcReq.getFromId(), out);
            out = null;
        finally {
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