79 lines
1.9 KiB
Java
79 lines
1.9 KiB
Java
/*
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ZZServlet.java
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*
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* Copyright (c) 2001, Ted Nelson and Tuomas Lukka
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*
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* You may use and distribute under the terms of either the GNU Lesser
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* General Public License, either version 2 of the license or,
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* at your choice, any later version. Alternatively, you may use and
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* distribute under the terms of the XPL.
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*
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* See the LICENSE.lgpl and LICENSE.xpl files for the specific terms of
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* the licenses.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the README
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* file for more details.
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*
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*/
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/*
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* Written by Tuomas Lukka
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*/
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package org.gzigzag.module;
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import org.gzigzag.*;
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import java.util.*;
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import javax.servlet.*;
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import javax.servlet.http.*;
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import java.io.*;
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/** A base class for servlets based on ZZ spaces.
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*/
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public class ZZServlet extends HttpServlet {
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public static final String rcsid = "$Id: ZZServlet.java,v 1.1 2001/01/17 14:27:20 tjl Exp $";
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static Hashtable spaces = new Hashtable();
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static Object lock = new Object();
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static ZZSpace getSpace(String name) {
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synchronized(lock) {
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ZZSpace s = (ZZSpace)spaces.get(name);
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if(s == null) {
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File f = new File(name);
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s = new ZZCacheDimSpace(new DirStreamSet(f));
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spaces.put(name, s);
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}
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return s;
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}
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}
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ZZSpace space;
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public void init(ServletConfig config) throws ServletException {
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synchronized(lock) {
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String s = config.getInitParameter("space");
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if(s == null) {
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// throw new ServletException("No space specified!");
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s = "/tmp/testspace";
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}
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space = getSpace(s);
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}
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}
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protected void doGet(HttpServletRequest req, HttpServletResponse resp)
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throws ServletException {
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try {
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synchronized(space) {
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resp.getWriter().print("HELLO\n\n!!\n\n");
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}
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} catch(Exception e) {
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throw new ServletException("doGet: ", e);
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}
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}
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}
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