private void commandWhere(StringTokenizer t, boolean showPC) throws NoSessionException {
ThreadReference current = context.getCurrentThread();
if (!t.hasMoreTokens()) {
if (current == null) {
env.error("No thread specified.");
return;
}
dumpStack(current, showPC);
} else {
String token = t.nextToken();
if (token.toLowerCase().equals("all")) {
ThreadIterator it = allThreads();
while (it.hasNext()) {
ThreadReference thread = it.next();
out.println(thread.name() + ": ");
dumpStack(thread, showPC);
}
} else {
ThreadReference thread = findThread(t.nextToken());
// ### Do we want to set current thread here?
// ### Should notify user of change.
if (thread != null) {
context.setCurrentThread(thread);
}
dumpStack(thread, showPC);
}
}
}
private void commandFrame(StringTokenizer t) throws NoSessionException {
ThreadReference current = context.getCurrentThread();
if (current == null) {
env.failure("No current thread.");
return;
}
if (!t.hasMoreTokens()) {
env.error("usage: frame <frame-index>");
return;
}
String idToken = t.nextToken();
int n;
try {
n = Integer.valueOf(idToken).intValue();
} catch (NumberFormatException e) {
n = 0;
}
if (n <= 0) {
env.error("use positive frame index");
return;
}
try {
int delta = context.setCurrentFrameIndex(current, n);
if (delta == 0) {
env.notice("Frame unchanged.");
} else if (delta < 0) {
env.notice("Moved up " + -delta + " frames.");
} else {
env.notice("Moved down " + delta + " frames.");
}
} catch (VMNotInterruptedException e) {
env.failure("Target VM must be in interrupted state.");
}
}
private void commandLocals() throws NoSessionException {
ThreadReference current = context.getCurrentThread();
if (current == null) {
env.failure("No default thread specified: " + "use the \"thread\" command first.");
return;
}
StackFrame frame;
try {
frame = context.getCurrentFrame(current);
if (frame == null) {
env.failure("Thread has not yet created any stack frames.");
return;
}
} catch (VMNotInterruptedException e) {
env.failure("Target VM must be in interrupted state.");
return;
}
List<LocalVariable> vars;
try {
vars = frame.visibleVariables();
if (vars == null || vars.size() == 0) {
env.failure("No local variables");
return;
}
} catch (AbsentInformationException e) {
env.failure(
"Local variable information not available."
+ " Compile with -g to generate variable information");
return;
}
OutputSink out = env.getOutputSink();
out.println("Method arguments:");
for (LocalVariable var : vars) {
if (var.isArgument()) {
printVar(out, var, frame);
}
}
out.println("Local variables:");
for (LocalVariable var : vars) {
if (!var.isArgument()) {
printVar(out, var, frame);
}
}
out.show();
return;
}
/**
* Maps a named servlet to a particular path or extension. If the named servlet is unregistered,
* it will be added and subsequently mapped.
*
* <p>Note that the order of resolution to handle a request is:
*
* <p>exact mapped servlet (eg /catalog) prefix mapped servlets (eg /foo/bar/*) extension mapped
* servlets (eg *jsp) default servlet
*/
public void addServletMapping(String path, String servletName) throws TomcatException {
if (mappings.get(path) != null) {
log("Removing duplicate " + path + " -> " + mappings.get(path));
mappings.remove(path);
Container ct = (Container) containers.get(path);
removeContainer(ct);
}
ServletWrapper sw = (ServletWrapper) servlets.get(servletName);
if (sw == null) {
// Workaround for frequent "bug" in web.xmls
// Declare a default mapping
log("Mapping with unregistered servlet " + servletName);
sw = addServlet(servletName, servletName);
}
if ("/".equals(path)) defaultServlet = sw;
mappings.put(path, sw);
Container map = new Container();
map.setContext(this);
map.setHandler(sw);
map.setPath(path);
contextM.addContainer(map);
containers.put(path, map);
}
private void commandPrint(StringTokenizer t, boolean dumpObject) throws NoSessionException {
if (!t.hasMoreTokens()) {
// ### Probably confused if expresion contains whitespace.
env.error("No expression specified.");
return;
}
ThreadReference current = context.getCurrentThread();
if (current == null) {
env.failure("No default thread specified: " + "use the \"thread\" command first.");
return;
}
StackFrame frame;
try {
frame = context.getCurrentFrame(current);
if (frame == null) {
env.failure("Thread has not yet created any stack frames.");
return;
}
} catch (VMNotInterruptedException e) {
env.failure("Target VM must be in interrupted state.");
return;
}
while (t.hasMoreTokens()) {
String expr = t.nextToken("");
Value val = null;
try {
val = runtime.evaluate(frame, expr);
} catch (Exception e) {
env.error("Exception: " + e);
// ### Fix this!
}
if (val == null) {
return; // Error message already printed
}
OutputSink out = env.getOutputSink();
if (dumpObject && (val instanceof ObjectReference) && !(val instanceof StringReference)) {
ObjectReference obj = (ObjectReference) val;
ReferenceType refType = obj.referenceType();
out.println(expr + " = " + val.toString() + " {");
dump(out, obj, refType, refType);
out.println("}");
} else {
out.println(expr + " = " + val.toString());
}
out.show();
}
}
private void commandNexti() throws NoSessionException {
ThreadReference current = context.getCurrentThread();
if (current == null) {
env.failure("No current thread.");
return;
}
runtime.stepOverInstruction(current);
}
private void commandThread(StringTokenizer t) throws NoSessionException {
if (!t.hasMoreTokens()) {
env.error("Thread number not specified.");
return;
}
ThreadReference thread = findThread(t.nextToken());
if (thread != null) {
// ### Should notify user.
context.setCurrentThread(thread);
}
}
/** Return the absolute path for the docBase, if we are file-system based, null otherwise. */
public String getAbsolutePath() {
if (absPath != null) return absPath;
if (FileUtil.isAbsolute(docBase)) absPath = docBase;
else absPath = contextM.getHome() + File.separator + docBase;
try {
absPath = new File(absPath).getCanonicalPath();
} catch (IOException npe) {
}
return absPath;
}
public void start() throws Exception {
if (con == null) throw new Exception("Invalid ConnectionHandler");
con.setAttribute("context.manager", cm);
ep.setPort(port);
ep.setAddress(address);
if (socketFactory != null) {
ep.setServerSocketFactory(socketFactory);
}
ep.setConnectionHandler(con);
ep.startEndpoint();
cm.log("Starting endpoint port=\"" + port + "\" handler=\"" + con.getClass().getName() + "\" ");
}
private void commandNext() throws NoSessionException {
ThreadReference current = context.getCurrentThread();
if (current == null) {
env.failure("No current thread.");
return;
}
try {
runtime.stepOverLine(current);
} catch (AbsentInformationException e) {
env.failure(
"No linenumber information available -- " + "Try \"nexti\" to step by instructions.");
}
}
private void commandDown(StringTokenizer t) throws NoSessionException {
ThreadReference current = context.getCurrentThread();
if (current == null) {
env.failure("No current thread.");
return;
}
int nLevels = readCount(t);
if (nLevels <= 0) {
env.error("usage: down [n frames]");
return;
}
try {
int delta = context.moveCurrentFrameIndex(current, nLevels);
if (delta == 0) {
env.notice("Already at bottom of stack.");
} else if (delta < nLevels) {
env.notice("Moved down " + delta + " frames to bottom of stack.");
}
} catch (VMNotInterruptedException e) {
env.failure("Target VM must be in interrupted state.");
}
}
public Context getContext(String path) {
if (!path.startsWith("/")) {
return null; // according to spec, null is returned
// if we can't return a servlet, so it's more probable
// servlets will check for null than IllegalArgument
}
// Return null if cross context lookups are not allowed
if (!crossContext) return null;
// absolute path
Request lr = contextM.createRequest(path);
if (vhost != null) lr.setServerName(vhost);
getContextManager().processRequest(lr);
return lr.getContext();
}
private void commandAttach(StringTokenizer t) {
String portName;
if (!t.hasMoreTokens()) {
portName = context.getRemotePort();
if (!portName.equals("")) {
try {
runtime.attach(portName);
} catch (VMLaunchFailureException e) {
env.failure("Attempt to attach to port \"" + portName + "\" failed.");
}
} else {
env.failure("No port specifed and no current default defined.");
}
} else {
portName = t.nextToken();
try {
runtime.attach(portName);
} catch (VMLaunchFailureException e) {
env.failure("Attempt to attach to port \"" + portName + "\" failed.");
}
context.setRemotePort(portName);
}
}
/**
* Will add a new security constraint: For all paths: if( match(path) && match(method) && match(
* transport ) ) then require("roles")
*
* <p>This is equivalent with adding a Container with the path, method and transport. If the
* container will be matched, the request will have to pass the security constraints.
*/
public void addSecurityConstraint(
String path[], String methods[], String roles[], String transport) throws TomcatException {
for (int i = 0; i < path.length; i++) {
Container ct = new Container();
ct.setContext(this);
ct.setTransport(transport);
ct.setRoles(roles);
ct.setPath(path[i]);
ct.setMethods(methods);
// XXX check if exists, merge if true.
constraints.put(path[i], ct);
// contextM.addSecurityConstraint( this, path[i], ct);
contextM.addContainer(ct);
}
}
private void commandStep(StringTokenizer t) throws NoSessionException {
ThreadReference current = context.getCurrentThread();
if (current == null) {
env.failure("No current thread.");
return;
}
try {
if (t.hasMoreTokens() && t.nextToken().toLowerCase().equals("up")) {
runtime.stepOut(current);
} else {
runtime.stepIntoLine(current);
}
} catch (AbsentInformationException e) {
env.failure(
"No linenumber information available -- " + "Try \"stepi\" to step by instructions.");
}
}
/**
* @deprecated - use getDocBase and URLUtil if you need it as URL NOT USED INSIDE TOMCAT - ONLY IN
* OLD J2EE CONNECTORS !
*/
public URL getDocumentBase() {
if (documentBase == null) {
if (docBase == null) return null;
try {
String absPath = docBase;
// detect absolute path ( use the same logic in all tomcat )
if (FileUtil.isAbsolute(docBase)) absPath = docBase;
else absPath = contextM.getHome() + File.separator + docBase;
try {
absPath = new File(absPath).getCanonicalPath();
} catch (IOException npe) {
}
documentBase = new URL("file", "", absPath);
} catch (MalformedURLException ex) {
ex.printStackTrace();
}
}
return documentBase;
}
private boolean doLoad(boolean suspended, StringTokenizer t) throws NoSessionException {
String clname;
if (!t.hasMoreTokens()) {
clname = context.getMainClassName();
if (!clname.equals("")) {
// Run from prevously-set class name.
try {
String vmArgs = context.getVmArguments();
runtime.run(suspended, vmArgs, clname, context.getProgramArguments());
return true;
} catch (VMLaunchFailureException e) {
env.failure("Attempt to launch main class \"" + clname + "\" failed.");
}
} else {
env.failure("No main class specifed and no current default defined.");
}
} else {
clname = t.nextToken();
StringBuffer sbuf = new StringBuffer();
// Allow VM arguments to be specified here?
while (t.hasMoreTokens()) {
String tok = t.nextToken();
sbuf.append(tok);
if (t.hasMoreTokens()) {
sbuf.append(' ');
}
}
String args = sbuf.toString();
try {
String vmArgs = context.getVmArguments();
runtime.run(suspended, vmArgs, clname, args);
context.setMainClassName(clname);
// context.setVmArguments(vmArgs);
context.setProgramArguments(args);
return true;
} catch (VMLaunchFailureException e) {
env.failure("Attempt to launch main class \"" + clname + "\" failed.");
}
}
return false;
}
public Nomin(Context context, Class<? extends Mapping>... mappingClasses) {
contextManager.setSharedContext(context);
parse(mappingClasses);
}
public <T> T map(Object source, Class<T> targetClass, Context context) {
contextManager.replaceShared(context);
T target = map(source, targetClass);
contextManager.restoreShared();
return target;
}
public void stop() throws Exception {
cm.log("Stoping endpoint port=\"" + port + "\" handler=\"" + con.getClass().getName() + "\" ");
ep.stopEndpoint();
}
public <T> T map(Object source, T target, Context context) {
contextManager.replaceShared(context);
map(source, target, (Object) null);
contextManager.restoreShared();
return target;
}
public Nomin(Context context) {
contextManager.setSharedContext(context);
}
public <T> T map(Object source, T target, Object mappingCase, Context context) {
contextManager.replaceShared(context);
map(source, target, mappingCase);
contextManager.restoreShared();
return target;
}
private void commandList(StringTokenizer t) throws NoSessionException {
ThreadReference current = context.getCurrentThread();
if (current == null) {
env.error("No thread specified.");
return;
}
Location loc;
try {
StackFrame frame = context.getCurrentFrame(current);
if (frame == null) {
env.failure("Thread has not yet begun execution.");
return;
}
loc = frame.location();
} catch (VMNotInterruptedException e) {
env.failure("Target VM must be in interrupted state.");
return;
}
SourceModel source = sourceManager.sourceForLocation(loc);
if (source == null) {
if (loc.method().isNative()) {
env.failure("Current method is native.");
return;
}
env.failure("No source available for " + Utils.locationString(loc) + ".");
return;
}
ReferenceType refType = loc.declaringType();
int lineno = loc.lineNumber();
if (t.hasMoreTokens()) {
String id = t.nextToken();
// See if token is a line number.
try {
lineno = Integer.valueOf(id).intValue();
} catch (NumberFormatException nfe) {
// It isn't -- see if it's a method name.
List<Method> meths = refType.methodsByName(id);
if (meths == null || meths.size() == 0) {
env.failure(
id + " is not a valid line number or " + "method name for class " + refType.name());
return;
} else if (meths.size() > 1) {
env.failure(id + " is an ambiguous method name in" + refType.name());
return;
}
loc = meths.get(0).location();
lineno = loc.lineNumber();
}
}
int startLine = (lineno > 4) ? lineno - 4 : 1;
int endLine = startLine + 9;
String sourceLine = source.sourceLine(lineno);
if (sourceLine == null) {
env.failure("" + lineno + " is an invalid line number for " + refType.name());
} else {
OutputSink out = env.getOutputSink();
for (int i = startLine; i <= endLine; i++) {
sourceLine = source.sourceLine(i);
if (sourceLine == null) {
break;
}
out.print(i);
out.print("\t");
if (i == lineno) {
out.print("=> ");
} else {
out.print(" ");
}
out.println(sourceLine);
}
out.show();
}
}
public Nomin context(Context context) {
contextManager.setSharedContext(context);
return this;
}
