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Viewing changes to bindings/corba/java/src/org/crosswire/sword/orb/SwordOrb.java

  • Committer: Bazaar Package Importer
  • Author(s): Daniel Glassey
  • Date: 2004-01-15 15:50:07 UTC
  • Revision ID: james.westby@ubuntu.com-20040115155007-n9mz4x0zxrs1isd3
Tags: upstream-1.5.7
Import upstream version 1.5.7

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bindings/corba/java/src/org/crosswire/sword/orb/SwordOrb.java
 
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package org.crosswire.sword.orb;
 
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import java.io.InputStream;
 
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import java.io.InputStreamReader;
 
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import java.io.BufferedReader;
 
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import java.io.StringWriter;
 
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import javax.servlet.http.HttpSession;
 
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import javax.servlet.http.HttpSessionBindingListener;
 
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import javax.servlet.http.HttpSessionBindingEvent;
 
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public class SwordOrb extends Object implements HttpSessionBindingListener {
 
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        public static final String BIBLES = "Biblical Texts";
 
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        public static final String COMMENTARIES = "Commentaries";
 
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        public static final String LEXDICTS = "Lexicons / Dictionaries";
 
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        public static final String GENBOOKS = "Generic Books";
 
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        public static final String DAILYDEVOS = "Daily Devotional";
 
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        static org.omg.CORBA.ORB orb = org.omg.CORBA.ORB.init(new String[]{}, null);
 
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        String ior = null;
 
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        private SWMgr attach() {
 
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                SWMgr retVal = null;
 
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                try {
 
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System.out.println("attaching...");
 
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                        org.omg.CORBA.Object obj = orb.string_to_object(ior);
 
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                        retVal = SWMgrHelper.narrow(obj);
 
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System.out.println("calling testConnection");
 
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                        retVal.testConnection();
 
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System.out.println("testConnection successful");
 
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                }
 
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                catch(org.omg.CORBA.SystemException e) {
 
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                        e.printStackTrace();
 
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                        retVal = null;
 
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System.out.println("failed in attach");
 
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                }
 
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                return retVal;
 
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        }
 
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        public SwordOrb() {
 
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        }
 
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//      this doesn't seem to work.  Never seems to get called for me
 
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        public void finalize () throws Throwable {
 
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                // shut down external process
 
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                try {
 
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                        getSWMgrInstance().terminate();
 
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                }
 
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                catch (Exception e) {}  // we know this doesn't return property cuz we killed the orb! :)
 
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        }
 
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        public void valueBound(HttpSessionBindingEvent httpSessionBindingEvent) {}
 
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        public void valueUnbound(HttpSessionBindingEvent httpSessionBindingEvent) {
 
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                try {
 
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//                      throw new Exception("value unbound; showing stacktrace");
 
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                        getSWMgrInstance().terminate();
 
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                }
 
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                catch (Exception e) {}  // we know this doesn't return properly cuz we killed the orb! :)
 
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//              catch (Exception e) {e.printStackTrace();}      // we know this doesn't return properly cuz we killed the orb! :)
 
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        }
 
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        private void startOrb() {
 
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                try {
 
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                        // start external process
 
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                        java.lang.Process p = Runtime.getRuntime().exec("swordorbserver");
 
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                        InputStream is = p.getInputStream();
 
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                        InputStreamReader isr = new InputStreamReader(is);
 
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                        BufferedReader input = new BufferedReader(isr);
 
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                        String line;
 
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                        line = input.readLine();
 
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//              retVal = p.waitFor();
 
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                        ior = line;
 
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System.out.println("Launched ORB, IOR: " + ior);
 
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                }
 
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                catch (Exception e) {e.printStackTrace();}
 
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        }
 
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        public SWMgr getSWMgrInstance() {
 
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                SWMgr retVal = null;
 
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                try {
 
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System.out.println("trying to attach to running ORB");
 
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                        retVal = attach();
 
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                }
 
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                catch(org.omg.CORBA.SystemException e) {
 
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                        e.printStackTrace();
 
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                        retVal = null;
 
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                }
 
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                if (retVal == null) {
 
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                        try {
 
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System.out.println("no ORB running; trying to launch");
 
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                                startOrb();
 
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System.out.println("trying to attach to newly launched ORB");
 
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                                retVal = attach();
 
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                        }
 
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                        catch(org.omg.CORBA.SystemException e) {
 
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                                e.printStackTrace();
 
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                        }
 
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                }
 
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                return retVal;
 
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        }
 
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        public static SWMgr getSWMgrInstance(HttpSession session) {
 
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                SwordOrb orb = (SwordOrb)session.getAttribute("SwordOrb");
 
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                if (orb == null) {
 
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System.out.println("No ORB found in session; constructing a new instance");
 
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                        orb = new SwordOrb();
 
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                        session.setAttribute("SwordOrb", orb);
 
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                }
 
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                else {
 
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System.out.println("ORB found in session");
 
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                }
 
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                SWMgr mgr = orb.getSWMgrInstance();
 
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                return mgr;
 
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        }
 
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        public static void main(String args[]) throws Exception {
 
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                SWMgr mgr = new SwordOrb().getSWMgrInstance();
 
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                System.out.println("PrefixPath: " + mgr.getPrefixPath());
 
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                System.out.println("ConfigPath: " + mgr.getConfigPath());
 
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                ModInfo[] modInfoList = mgr.getModInfoList();
 
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                System.out.println("sequence size: " + modInfoList.length);
 
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                SWModule module;
 
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                for (int i = 0; i < modInfoList.length; i++) {
 
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                        System.out.println(modInfoList[i].name + ": " + modInfoList[i].category + ": " + modInfoList[i].language);
 
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                        module = mgr.getModuleByName(modInfoList[i].name);
 
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                        module.setKeyText("jas1:19");
 
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                        System.out.println(module.getRenderText());
 
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                }
 
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                module = mgr.getModuleByName("WEB");
 
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                SearchHit[] searchResults = module.search("God love world", SearchType.MULTIWORD, 0, "");
 
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                for (int i = 0; i < searchResults.length; i++)
 
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                        System.out.println(searchResults[i].key);
 
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        }
 
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}