src/main/java/freemarker/debug/impl/RmiDebuggerService.java - freemarker - Git at Google

 /*
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
  * regarding copyright ownership.  The ASF licenses this file
  * to you 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
  *
  *   http://www.apache.org/licenses/LICENSE-2.0
  *
  * 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 freemarker.debug.impl;

 import java.io.Serializable;
 import java.lang.ref.ReferenceQueue;
 import java.lang.ref.WeakReference;
 import java.rmi.RemoteException;
 import java.rmi.server.RemoteObject;
 import java.rmi.server.UnicastRemoteObject;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Enumeration;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;

 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
 import freemarker.core.DebugBreak;
 import freemarker.core.Environment;
 import freemarker.core.TemplateElement;
 import freemarker.core._CoreAPI;
 import freemarker.debug.Breakpoint;
 import freemarker.debug.DebuggerListener;
 import freemarker.debug.EnvironmentSuspendedEvent;
 import freemarker.template.Template;
 import freemarker.template.utility.UndeclaredThrowableException;

 /**
  * @version $Id
  */
 class RmiDebuggerService
 extends
     DebuggerService {
     private final Map templateDebugInfos = new HashMap();
     private final HashSet suspendedEnvironments = new HashSet();
     private final Map listeners = new HashMap();
     private final ReferenceQueue refQueue = new ReferenceQueue();


     private final RmiDebuggerImpl debugger;
     private DebuggerServer server;

     RmiDebuggerService() {
         try {
             debugger = new RmiDebuggerImpl(this);
             server = new DebuggerServer((Serializable) RemoteObject.toStub(debugger));
             server.start();
         } catch (RemoteException e) {
             e.printStackTrace();
             throw new UndeclaredThrowableException(e);
         }
     }

     @Override
     List getBreakpointsSpi(String templateName) {
         synchronized (templateDebugInfos) {
             TemplateDebugInfo tdi = findTemplateDebugInfo(templateName);
             return tdi == null ? Collections.EMPTY_LIST : tdi.breakpoints;
         }
     }

     List getBreakpointsSpi() {
         List sumlist = new ArrayList();
         synchronized (templateDebugInfos) {
             for (Iterator iter = templateDebugInfos.values().iterator(); iter.hasNext(); ) {
                 sumlist.addAll(((TemplateDebugInfo) iter.next()).breakpoints);
             }
         }
         Collections.sort(sumlist);
         return sumlist;
     }

     // TODO See in SuppressFBWarnings
     @Override
     @SuppressFBWarnings(value={ "UW_UNCOND_WAIT", "WA_NOT_IN_LOOP" }, justification="Will have to be re-desigend; postponed.")
     boolean suspendEnvironmentSpi(Environment env, String templateName, int line)
     throws RemoteException {
         RmiDebuggedEnvironmentImpl denv =
             (RmiDebuggedEnvironmentImpl)
                 RmiDebuggedEnvironmentImpl.getCachedWrapperFor(env);

         synchronized (suspendedEnvironments) {
             suspendedEnvironments.add(denv);
         }
         try {
             EnvironmentSuspendedEvent breakpointEvent =
                 new EnvironmentSuspendedEvent(this, templateName, line, denv);

             synchronized (listeners) {
                 for (Iterator iter = listeners.values().iterator(); iter.hasNext(); ) {
                     DebuggerListener listener = (DebuggerListener) iter.next();
                     listener.environmentSuspended(breakpointEvent);
                 }
             }
             synchronized (denv) {
                 try {
                     denv.wait();
                 } catch (InterruptedException e) {
                     ;// Intentionally ignored
                 }
             }
             return denv.isStopped();
         } finally {
             synchronized (suspendedEnvironments) {
                 suspendedEnvironments.remove(denv);
             }
         }
     }

     @Override
     void registerTemplateSpi(Template template) {
         String templateName = template.getName();
         synchronized (templateDebugInfos) {
             TemplateDebugInfo tdi = createTemplateDebugInfo(templateName);
             tdi.templates.add(new TemplateReference(templateName, template, refQueue));
             // Inject already defined breakpoints into the template
             for (Iterator iter = tdi.breakpoints.iterator(); iter.hasNext(); ) {
                 Breakpoint breakpoint = (Breakpoint) iter.next();
                 insertDebugBreak(template, breakpoint);
             }
         }
     }

     Collection getSuspendedEnvironments() {
         return (Collection) suspendedEnvironments.clone();
     }

     Object addDebuggerListener(DebuggerListener listener) {
         Object id;
         synchronized (listeners) {
             id = Long.valueOf(System.currentTimeMillis());
             listeners.put(id, listener);
         }
         return id;
     }

     void removeDebuggerListener(Object id) {
         synchronized (listeners) {
             listeners.remove(id);
         }
     }

     void addBreakpoint(Breakpoint breakpoint) {
         String templateName = breakpoint.getTemplateName();
         synchronized (templateDebugInfos) {
             TemplateDebugInfo tdi = createTemplateDebugInfo(templateName);
             List breakpoints = tdi.breakpoints;
             int pos = Collections.binarySearch(breakpoints, breakpoint);
             if (pos < 0) {
                 // Add to the list of breakpoints
                 breakpoints.add(-pos - 1, breakpoint);
                 // Inject the breakpoint into all templates with this name
                 for (Iterator iter = tdi.templates.iterator(); iter.hasNext(); ) {
                     TemplateReference ref = (TemplateReference) iter.next();
                     Template t = ref.getTemplate();
                     if (t == null) {
                         iter.remove();
                     } else {
                         insertDebugBreak(t, breakpoint);
                     }
                 }
             }
         }
     }

     private static void insertDebugBreak(Template t, Breakpoint breakpoint) {
         TemplateElement te = findTemplateElement(t.getRootTreeNode(), breakpoint.getLine());
         if (te == null) {
             return;
         }
         TemplateElement parent = _CoreAPI.getParentElement(te);
         DebugBreak db = new DebugBreak(te);
         // TODO: Ensure there always is a parent by making sure
         // that the root element in the template is always a MixedContent
         // Also make sure it doesn't conflict with anyone's code.
         parent.setChildAt(parent.getIndex(te), db);
     }

     private static TemplateElement findTemplateElement(TemplateElement te, int line) {
         if (te.getBeginLine() > line || te.getEndLine() < line) {
             return null;
         }
         // Find the narrowest match
         List childMatches = new ArrayList();
         for (Enumeration children = te.children(); children.hasMoreElements(); ) {
             TemplateElement child = (TemplateElement) children.nextElement();
             TemplateElement childmatch = findTemplateElement(child, line);
             if (childmatch != null) {
                 childMatches.add(childmatch);
             }
         }
         //find a match that exactly matches the begin/end line
         TemplateElement bestMatch = null;
         for (int i = 0; i < childMatches.size(); i++) {
             TemplateElement e = (TemplateElement) childMatches.get(i);

             if ( bestMatch == null ) {
                 bestMatch = e;
             }

             if ( e.getBeginLine() == line && e.getEndLine() > line ) {
                 bestMatch = e;
             }

             if ( e.getBeginLine() == e.getEndLine() && e.getBeginLine() == line) {
                 bestMatch = e;
                 break;
             }
         }
         if ( bestMatch != null) {
            return bestMatch;
         }
         // If no child provides narrower match, return this
         return te;
     }

     private TemplateDebugInfo findTemplateDebugInfo(String templateName) {
         processRefQueue();
         return (TemplateDebugInfo) templateDebugInfos.get(templateName);
     }

     private TemplateDebugInfo createTemplateDebugInfo(String templateName) {
         TemplateDebugInfo tdi = findTemplateDebugInfo(templateName);
         if (tdi == null) {
             tdi = new TemplateDebugInfo();
             templateDebugInfos.put(templateName, tdi);
         }
         return tdi;
     }

     void removeBreakpoint(Breakpoint breakpoint) {
         String templateName = breakpoint.getTemplateName();
         synchronized (templateDebugInfos) {
             TemplateDebugInfo tdi = findTemplateDebugInfo(templateName);
             if (tdi != null) {
                 List breakpoints = tdi.breakpoints;
                 int pos = Collections.binarySearch(breakpoints, breakpoint);
                 if (pos >= 0) {
                     breakpoints.remove(pos);
                     for (Iterator iter = tdi.templates.iterator(); iter.hasNext(); ) {
                         TemplateReference ref = (TemplateReference) iter.next();
                         Template t = ref.getTemplate();
                         if (t == null) {
                             iter.remove();
                         } else {
                             removeDebugBreak(t, breakpoint);
                         }
                     }
                 }
                 if (tdi.isEmpty()) {
                     templateDebugInfos.remove(templateName);
                 }
             }
         }
     }

     private void removeDebugBreak(Template t, Breakpoint breakpoint) {
         TemplateElement te = findTemplateElement(t.getRootTreeNode(), breakpoint.getLine());
         if (te == null) {
             return;
         }
         DebugBreak db = null;
         while (te != null) {
             if (te instanceof DebugBreak) {
                 db = (DebugBreak) te;
                 break;
             }
             te = _CoreAPI.getParentElement(te);
         }
         if (db == null) {
             return;
         }
         TemplateElement parent = _CoreAPI.getParentElement(db);
         parent.setChildAt(parent.getIndex(db), _CoreAPI.getChildElement(db, 0));
     }

     void removeBreakpoints(String templateName) {
         synchronized (templateDebugInfos) {
             TemplateDebugInfo tdi = findTemplateDebugInfo(templateName);
             if (tdi != null) {
                 removeBreakpoints(tdi);
                 if (tdi.isEmpty()) {
                     templateDebugInfos.remove(templateName);
                 }
             }
         }
     }

     void removeBreakpoints() {
         synchronized (templateDebugInfos) {
             for (Iterator iter = templateDebugInfos.values().iterator(); iter.hasNext(); ) {
                 TemplateDebugInfo tdi = (TemplateDebugInfo) iter.next();
                 removeBreakpoints(tdi);
                 if (tdi.isEmpty()) {
                     iter.remove();
                 }
             }
         }
     }

     private void removeBreakpoints(TemplateDebugInfo tdi) {
         tdi.breakpoints.clear();
         for (Iterator iter = tdi.templates.iterator(); iter.hasNext(); ) {
             TemplateReference ref = (TemplateReference) iter.next();
             Template t = ref.getTemplate();
             if (t == null) {
                 iter.remove();
             } else {
                 removeDebugBreaks(t.getRootTreeNode());
             }
         }
     }

     private void removeDebugBreaks(TemplateElement te) {
         int count = te.getChildCount();
         for (int i = 0; i < count; ++i) {
             TemplateElement child = _CoreAPI.getChildElement(te, i);
             while (child instanceof DebugBreak) {
                 TemplateElement dbchild = _CoreAPI.getChildElement(child, 0);
                 te.setChildAt(i, dbchild);
                 child = dbchild;
             }
             removeDebugBreaks(child);
         }
     }

     private static final class TemplateDebugInfo {
         final List templates = new ArrayList();
         final List breakpoints = new ArrayList();

         boolean isEmpty() {
             return templates.isEmpty() && breakpoints.isEmpty();
         }
     }

     private static final class TemplateReference extends WeakReference {
         final String templateName;

         TemplateReference(String templateName, Template template, ReferenceQueue queue) {
             super(template, queue);
             this.templateName = templateName;
         }

         Template getTemplate() {
             return (Template) get();
         }
     }

     private void processRefQueue() {
         for (; ; ) {
             TemplateReference ref = (TemplateReference) refQueue.poll();
             if (ref == null) {
                 break;
             }
             TemplateDebugInfo tdi = findTemplateDebugInfo(ref.templateName);
             if (tdi != null) {
                 tdi.templates.remove(ref);
                 if (tdi.isEmpty()) {
                     templateDebugInfos.remove(ref.templateName);
                 }
             }
         }
     }

     @Override
     void shutdownSpi() {
         server.stop();
         try {
             UnicastRemoteObject.unexportObject(this.debugger, true);
         } catch (Exception e) {
         }

         RmiDebuggedEnvironmentImpl.cleanup();
     }
 }
	/*
	* Licensed to the Apache Software Foundation (ASF) under one
	* or more contributor license agreements. See the NOTICE file
	* distributed with this work for additional information
	* regarding copyright ownership. The ASF licenses this file
	* to you 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
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* 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 freemarker.debug.impl;

	import java.io.Serializable;
	import java.lang.ref.ReferenceQueue;
	import java.lang.ref.WeakReference;
	import java.rmi.RemoteException;
	import java.rmi.server.RemoteObject;
	import java.rmi.server.UnicastRemoteObject;
	import java.util.ArrayList;
	import java.util.Collection;
	import java.util.Collections;
	import java.util.Enumeration;
	import java.util.HashMap;
	import java.util.HashSet;
	import java.util.Iterator;
	import java.util.List;
	import java.util.Map;

	import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
	import freemarker.core.DebugBreak;
	import freemarker.core.Environment;
	import freemarker.core.TemplateElement;
	import freemarker.core._CoreAPI;
	import freemarker.debug.Breakpoint;
	import freemarker.debug.DebuggerListener;
	import freemarker.debug.EnvironmentSuspendedEvent;
	import freemarker.template.Template;
	import freemarker.template.utility.UndeclaredThrowableException;

	/**
	* @version $Id
	*/
	class RmiDebuggerService
	extends
	DebuggerService {
	private final Map templateDebugInfos = new HashMap();
	private final HashSet suspendedEnvironments = new HashSet();
	private final Map listeners = new HashMap();
	private final ReferenceQueue refQueue = new ReferenceQueue();


	private final RmiDebuggerImpl debugger;
	private DebuggerServer server;

	RmiDebuggerService() {
	try {
	debugger = new RmiDebuggerImpl(this);
	server = new DebuggerServer((Serializable) RemoteObject.toStub(debugger));
	server.start();
	} catch (RemoteException e) {
	e.printStackTrace();
	throw new UndeclaredThrowableException(e);
	}
	}

	@Override
	List getBreakpointsSpi(String templateName) {
	synchronized (templateDebugInfos) {
	TemplateDebugInfo tdi = findTemplateDebugInfo(templateName);
	return tdi == null ? Collections.EMPTY_LIST : tdi.breakpoints;
	}
	}

	List getBreakpointsSpi() {
	List sumlist = new ArrayList();
	synchronized (templateDebugInfos) {
	for (Iterator iter = templateDebugInfos.values().iterator(); iter.hasNext(); ) {
	sumlist.addAll(((TemplateDebugInfo) iter.next()).breakpoints);
	}
	}
	Collections.sort(sumlist);
	return sumlist;
	}

	// TODO See in SuppressFBWarnings
	@Override
	@SuppressFBWarnings(value={ "UW_UNCOND_WAIT", "WA_NOT_IN_LOOP" }, justification="Will have to be re-desigend; postponed.")
	boolean suspendEnvironmentSpi(Environment env, String templateName, int line)
	throws RemoteException {
	RmiDebuggedEnvironmentImpl denv =
	(RmiDebuggedEnvironmentImpl)
	RmiDebuggedEnvironmentImpl.getCachedWrapperFor(env);

	synchronized (suspendedEnvironments) {
	suspendedEnvironments.add(denv);
	}
	try {
	EnvironmentSuspendedEvent breakpointEvent =
	new EnvironmentSuspendedEvent(this, templateName, line, denv);

	synchronized (listeners) {
	for (Iterator iter = listeners.values().iterator(); iter.hasNext(); ) {
	DebuggerListener listener = (DebuggerListener) iter.next();
	listener.environmentSuspended(breakpointEvent);
	}
	}
	synchronized (denv) {
	try {
	denv.wait();
	} catch (InterruptedException e) {
	;// Intentionally ignored
	}
	}
	return denv.isStopped();
	} finally {
	synchronized (suspendedEnvironments) {
	suspendedEnvironments.remove(denv);
	}
	}
	}

	@Override
	void registerTemplateSpi(Template template) {
	String templateName = template.getName();
	synchronized (templateDebugInfos) {
	TemplateDebugInfo tdi = createTemplateDebugInfo(templateName);
	tdi.templates.add(new TemplateReference(templateName, template, refQueue));
	// Inject already defined breakpoints into the template
	for (Iterator iter = tdi.breakpoints.iterator(); iter.hasNext(); ) {
	Breakpoint breakpoint = (Breakpoint) iter.next();
	insertDebugBreak(template, breakpoint);
	}
	}
	}

	Collection getSuspendedEnvironments() {
	return (Collection) suspendedEnvironments.clone();
	}

	Object addDebuggerListener(DebuggerListener listener) {
	Object id;
	synchronized (listeners) {
	id = Long.valueOf(System.currentTimeMillis());
	listeners.put(id, listener);
	}
	return id;
	}

	void removeDebuggerListener(Object id) {
	synchronized (listeners) {
	listeners.remove(id);
	}
	}

	void addBreakpoint(Breakpoint breakpoint) {
	String templateName = breakpoint.getTemplateName();
	synchronized (templateDebugInfos) {
	TemplateDebugInfo tdi = createTemplateDebugInfo(templateName);
	List breakpoints = tdi.breakpoints;
	int pos = Collections.binarySearch(breakpoints, breakpoint);
	if (pos < 0) {
	// Add to the list of breakpoints
	breakpoints.add(-pos - 1, breakpoint);
	// Inject the breakpoint into all templates with this name
	for (Iterator iter = tdi.templates.iterator(); iter.hasNext(); ) {
	TemplateReference ref = (TemplateReference) iter.next();
	Template t = ref.getTemplate();
	if (t == null) {
	iter.remove();
	} else {
	insertDebugBreak(t, breakpoint);
	}
	}
	}
	}
	}

	private static void insertDebugBreak(Template t, Breakpoint breakpoint) {
	TemplateElement te = findTemplateElement(t.getRootTreeNode(), breakpoint.getLine());
	if (te == null) {
	return;
	}
	TemplateElement parent = _CoreAPI.getParentElement(te);
	DebugBreak db = new DebugBreak(te);
	// TODO: Ensure there always is a parent by making sure
	// that the root element in the template is always a MixedContent
	// Also make sure it doesn't conflict with anyone's code.
	parent.setChildAt(parent.getIndex(te), db);
	}

	private static TemplateElement findTemplateElement(TemplateElement te, int line) {
	if (te.getBeginLine() > line \|\| te.getEndLine() < line) {
	return null;
	}
	// Find the narrowest match
	List childMatches = new ArrayList();
	for (Enumeration children = te.children(); children.hasMoreElements(); ) {
	TemplateElement child = (TemplateElement) children.nextElement();
	TemplateElement childmatch = findTemplateElement(child, line);
	if (childmatch != null) {
	childMatches.add(childmatch);
	}
	}
	//find a match that exactly matches the begin/end line
	TemplateElement bestMatch = null;
	for (int i = 0; i < childMatches.size(); i++) {
	TemplateElement e = (TemplateElement) childMatches.get(i);

	if ( bestMatch == null ) {
	bestMatch = e;
	}

	if ( e.getBeginLine() == line && e.getEndLine() > line ) {
	bestMatch = e;
	}

	if ( e.getBeginLine() == e.getEndLine() && e.getBeginLine() == line) {
	bestMatch = e;
	break;
	}
	}
	if ( bestMatch != null) {
	return bestMatch;
	}
	// If no child provides narrower match, return this
	return te;
	}

	private TemplateDebugInfo findTemplateDebugInfo(String templateName) {
	processRefQueue();
	return (TemplateDebugInfo) templateDebugInfos.get(templateName);
	}

	private TemplateDebugInfo createTemplateDebugInfo(String templateName) {
	TemplateDebugInfo tdi = findTemplateDebugInfo(templateName);
	if (tdi == null) {
	tdi = new TemplateDebugInfo();
	templateDebugInfos.put(templateName, tdi);
	}
	return tdi;
	}

	void removeBreakpoint(Breakpoint breakpoint) {
	String templateName = breakpoint.getTemplateName();
	synchronized (templateDebugInfos) {
	TemplateDebugInfo tdi = findTemplateDebugInfo(templateName);
	if (tdi != null) {
	List breakpoints = tdi.breakpoints;
	int pos = Collections.binarySearch(breakpoints, breakpoint);
	if (pos >= 0) {
	breakpoints.remove(pos);
	for (Iterator iter = tdi.templates.iterator(); iter.hasNext(); ) {
	TemplateReference ref = (TemplateReference) iter.next();
	Template t = ref.getTemplate();
	if (t == null) {
	iter.remove();
	} else {
	removeDebugBreak(t, breakpoint);
	}
	}
	}
	if (tdi.isEmpty()) {
	templateDebugInfos.remove(templateName);
	}
	}
	}
	}

	private void removeDebugBreak(Template t, Breakpoint breakpoint) {
	TemplateElement te = findTemplateElement(t.getRootTreeNode(), breakpoint.getLine());
	if (te == null) {
	return;
	}
	DebugBreak db = null;
	while (te != null) {
	if (te instanceof DebugBreak) {
	db = (DebugBreak) te;
	break;
	}
	te = _CoreAPI.getParentElement(te);
	}
	if (db == null) {
	return;
	}
	TemplateElement parent = _CoreAPI.getParentElement(db);
	parent.setChildAt(parent.getIndex(db), _CoreAPI.getChildElement(db, 0));
	}

	void removeBreakpoints(String templateName) {
	synchronized (templateDebugInfos) {
	TemplateDebugInfo tdi = findTemplateDebugInfo(templateName);
	if (tdi != null) {
	removeBreakpoints(tdi);
	if (tdi.isEmpty()) {
	templateDebugInfos.remove(templateName);
	}
	}
	}
	}

	void removeBreakpoints() {
	synchronized (templateDebugInfos) {
	for (Iterator iter = templateDebugInfos.values().iterator(); iter.hasNext(); ) {
	TemplateDebugInfo tdi = (TemplateDebugInfo) iter.next();
	removeBreakpoints(tdi);
	if (tdi.isEmpty()) {
	iter.remove();
	}
	}
	}
	}

	private void removeBreakpoints(TemplateDebugInfo tdi) {
	tdi.breakpoints.clear();
	for (Iterator iter = tdi.templates.iterator(); iter.hasNext(); ) {
	TemplateReference ref = (TemplateReference) iter.next();
	Template t = ref.getTemplate();
	if (t == null) {
	iter.remove();
	} else {
	removeDebugBreaks(t.getRootTreeNode());
	}
	}
	}

	private void removeDebugBreaks(TemplateElement te) {
	int count = te.getChildCount();
	for (int i = 0; i < count; ++i) {
	TemplateElement child = _CoreAPI.getChildElement(te, i);
	while (child instanceof DebugBreak) {
	TemplateElement dbchild = _CoreAPI.getChildElement(child, 0);
	te.setChildAt(i, dbchild);
	child = dbchild;
	}
	removeDebugBreaks(child);
	}
	}

	private static final class TemplateDebugInfo {
	final List templates = new ArrayList();
	final List breakpoints = new ArrayList();

	boolean isEmpty() {
	return templates.isEmpty() && breakpoints.isEmpty();
	}
	}

	private static final class TemplateReference extends WeakReference {
	final String templateName;

	TemplateReference(String templateName, Template template, ReferenceQueue queue) {
	super(template, queue);
	this.templateName = templateName;
	}

	Template getTemplate() {
	return (Template) get();
	}
	}

	private void processRefQueue() {
	for (; ; ) {
	TemplateReference ref = (TemplateReference) refQueue.poll();
	if (ref == null) {
	break;
	}
	TemplateDebugInfo tdi = findTemplateDebugInfo(ref.templateName);
	if (tdi != null) {
	tdi.templates.remove(ref);
	if (tdi.isEmpty()) {
	templateDebugInfos.remove(ref.templateName);
	}
	}
	}
	}

	@Override
	void shutdownSpi() {
	server.stop();
	try {
	UnicastRemoteObject.unexportObject(this.debugger, true);
	} catch (Exception e) {
	}

	RmiDebuggedEnvironmentImpl.cleanup();
	}
	}