[13596] | 1 | /**
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| 2 | *#########################################################################
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| 3 | *
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| 4 | * A component of the Gatherer application, part of the Greenstone digital
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| 5 | * library suite from the New Zealand Digital Library Project at the
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| 6 | * University of Waikato, New Zealand.
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| 7 | *
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| 8 | * <BR><BR>
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| 9 | *
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| 10 | * Author: John Thompson, Greenstone Digital Library, University of Waikato
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| 11 | *
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| 12 | * <BR><BR>
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| 13 | *
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| 14 | * Copyright (C) 1999 New Zealand Digital Library Project
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| 15 | *
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| 16 | * <BR><BR>
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| 17 | *
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| 18 | * This program is free software; you can redistribute it and/or modify
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| 19 | * it under the terms of the GNU General Public License as published by
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| 20 | * the Free Software Foundation; either version 2 of the License, or
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| 21 | * (at your option) any later version.
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| 22 | *
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| 23 | * <BR><BR>
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| 24 | *
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| 25 | * This program is distributed in the hope that it will be useful,
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| 26 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 27 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 28 | * GNU General Public License for more details.
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| 29 | *
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| 30 | * <BR><BR>
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| 31 | *
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| 32 | * You should have received a copy of the GNU General Public License
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| 33 | * along with this program; if not, write to the Free Software
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| 34 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 35 | *########################################################################
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| 36 | */
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| 37 | package org.greenstone.gatherer.greenstone3;
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| 38 |
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| 39 | import java.awt.*;
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| 40 | import java.io.*;
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| 41 | import java.lang.ref.*;
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| 42 | import java.net.*;
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| 43 | import java.util.*;
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| 44 | import javax.swing.*;
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| 45 | import javax.swing.plaf.*;
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[14310] | 46 | import org.greenstone.gatherer.Gatherer;
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[13596] | 47 | import org.greenstone.gatherer.DebugStream;
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| 48 | import org.greenstone.gatherer.util.ArrayTools;
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| 49 | import org.greenstone.gatherer.util.StaticStrings;
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| 50 | import org.greenstone.gatherer.util.Utility;
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| 51 | import org.greenstone.gatherer.util.XMLTools;
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[14310] | 52 | import org.greenstone.gatherer.remote.RemoteGreenstoneServer;
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[13596] | 53 | import org.w3c.dom.*;
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| 54 |
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| 55 | /** This class stores the mapping between sites and servlets available for them. The info is read in from the web.xml file.
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| 56 | * @author Katherine Don, New Zealand Digital Library, University of Waikato
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| 57 | * @version
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| 58 | */
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| 59 | public class ServletConfiguration {
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| 60 |
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| 61 | static public String ADD_COMMAND = "?a=s&sa=a&st=collection&sn=";
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| 62 | static public String DEACTIVATE_COMMAND = "?a=s&sa=d&st=collection&sn=";
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| 63 | private String gsdl3_path = "";
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| 64 | private ArrayList sites = null;
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| 65 | private HashMap mappings = null;
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| 66 |
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| 67 | public ServletConfiguration(String gsdl3_path) {
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| 68 |
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| 69 | this.gsdl3_path = gsdl3_path;
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| 70 |
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| 71 | //String web_xml_path = gsdl3_path + File.separator + "web" + File.separator + "WEB-INF"+ File.separator + "web.xml";
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[14310] | 72 | File web_xml;
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| 73 | if (Gatherer.isGsdlRemote){
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| 74 | web_xml = new File(gsdl3_path + "web.xml");
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| 75 | }else{
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| 76 | web_xml = new File(gsdl3_path + "WEB-INF"+ File.separator + "web.xml");
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| 77 | }
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[13596] | 78 | if (!web_xml.exists()) {
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| 79 | DebugStream.println("Error: no web.xml found at "+web_xml.toString());
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| 80 | return;
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| 81 | }
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| 82 |
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| 83 | this.sites = new ArrayList();
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[14310] | 84 | if (Gatherer.isGsdlRemote){
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| 85 | if (RemoteGreenstoneServer.downloadWebXMLFile().equals("")) {
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| 86 | System.err.println("Error: Could not download web.xml.");
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| 87 | System.exit(0);
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| 88 | }
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| 89 | String sites_on_server = RemoteGreenstoneServer.getSiteNames();
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| 90 | if (sites_on_server.equals("")) {
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| 91 | // !! Something went wrong : could not get names of the sites
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| 92 | System.err.println("Error: Could not get names of the sites.");
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| 93 | System.exit(0);
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| 94 | }
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| 95 |
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| 96 | String[] sites_arr=sites_on_server.split("-----");
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| 97 | for (int i=0; i<sites_arr.length; i++){
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| 98 | if (!(sites_arr[i].trim().equals(""))){
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| 99 | this.sites.add(sites_arr[i].trim());
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| 100 | }
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| 101 | }
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| 102 | }else{
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[13596] | 103 | // find the sites
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| 104 | File start = new File(Utility.getSitesDir(gsdl3_path));
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| 105 | File possible_sites[] = start.listFiles();
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| 106 | ArrayTools.sort(possible_sites);
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| 107 | for (int i=0; possible_sites != null && i < possible_sites.length; i++) {
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| 108 | File site_config = new File(possible_sites[i], "siteConfig.xml");
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| 109 | if (site_config.exists()) {
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| 110 | this.sites.add(possible_sites[i].getName());
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| 111 | }
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| 112 | }
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[14310] | 113 | }
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[13596] | 114 | this.mappings = new HashMap();
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| 115 | Document web_config = XMLTools.parseXMLFile(web_xml.getAbsolutePath(), false);
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| 116 |
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| 117 | NodeList servlet_mappings = web_config.getElementsByTagName("servlet-mapping");
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| 118 | // make a little map class
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| 119 | HashMap url_mappings = new HashMap();
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| 120 | for (int i=0; i<servlet_mappings.getLength(); i++) {
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| 121 | Element map = (Element)servlet_mappings.item(i);
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| 122 | String name = XMLTools.getValue(XMLTools.getNodeFromNamed(map, "servlet-name"));
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| 123 | String pattern = XMLTools.getValue(XMLTools.getNodeFromNamed(map, "url-pattern"));
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| 124 | url_mappings.put(name, pattern);
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| 125 |
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| 126 | }
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| 127 |
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| 128 | NodeList servlets = web_config.getElementsByTagName("servlet");
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| 129 | for (int i=0; i<servlets.getLength(); i++) {
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| 130 | Element servlet = (Element)servlets.item(i);
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| 131 | String name = XMLTools.getValue(XMLTools.getNodeFromNamed(servlet, "servlet-name"));
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| 132 | String description = XMLTools.getValue(XMLTools.getNodeFromNamed(servlet, "description"));
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| 133 | String site = getServletSite(servlet);
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| 134 |
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| 135 | if (site != null) {
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| 136 | ArrayList this_site = (ArrayList)mappings.get(site);
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| 137 | if (this_site == null) {
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| 138 | this_site = new ArrayList();
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| 139 | }
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| 140 | String url = (String)url_mappings.get(name);
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| 141 | this_site.add(url);
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| 142 | mappings.put(site, this_site);
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| 143 | }
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| 144 |
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| 145 | }
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| 146 |
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| 147 | web_config = null;
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| 148 | url_mappings = null;
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| 149 | }
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| 150 |
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| 151 | public ArrayList getSites() {
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| 152 | return this.sites;
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| 153 | }
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| 154 |
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| 155 | public ArrayList getServletsForSite(String site) {
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| 156 | return (ArrayList)this.mappings.get(site);
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| 157 | }
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| 158 | public String getServletPath(String site) {
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| 159 |
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| 160 | // for now, get the first one
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| 161 | ArrayList servlets = (ArrayList)mappings.get(site);
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| 162 | if(servlets == null) {
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| 163 | return null;
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| 164 | }
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| 165 | return (String)servlets.get(0);
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| 166 | }
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| 167 |
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| 168 | private String getServletSite(Element servlet) {
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| 169 |
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| 170 | NodeList params = servlet.getElementsByTagName("init-param");
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| 171 | if ( params == null || params.getLength() == 0) {
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| 172 | return null;
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| 173 | }
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| 174 | String site = null;
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| 175 | for (int i=0; i<params.getLength()&& site == null; i++) {
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| 176 | String p_name = XMLTools.getValue(XMLTools.getNodeFromNamed(params.item(i), "param-name"));
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| 177 | if (p_name.equals("site_name")) {
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| 178 | site = XMLTools.getValue(XMLTools.getNodeFromNamed(params.item(i), "param-value"));
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| 179 | }
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| 180 | }
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| 181 | return site;
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| 182 | }
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| 183 | }
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