final <T extends ServerResponse> T doPost(CommandArguments args, Class<T> clazz, String url)
throws FlickrException {
try {
OAuthRequest request = new OAuthRequest(Verb.POST, url);
// check for proxy, use if available
if (proxy != null) {
request.setProxy(proxy);
}
for (Map.Entry<String, Object> param : args.getParameters().entrySet()) {
if (param.getValue() instanceof String) {
request.addQuerystringParameter(param.getKey(), (String) param.getValue());
}
}
oauth.signRequest(request);
MultipartEntity multipart = args.getBody(request.getOauthParameters());
ByteArrayOutputStream baos = new ByteArrayOutputStream();
multipart.writeTo(baos);
request.addPayload(baos.toByteArray());
request.addHeader("Content-type", multipart.getContentType().getValue());
Response response = request.send();
String body = response.getBody();
return parseBody(args, clazz, body);
} catch (IOException ex) {
throw new UnsupportedOperationException("Error preparing multipart request", ex);
}
}
private <T extends ServerResponse> T parseBody(CommandArguments args, Class<T> clazz, String body)
throws FlickrException {
try {
if (Flickr.debug) {
try {
System.out.println("Server response for method " + args.getMethod() + "\n" + body);
} catch (Exception ignored) {
}
}
T instance = clazz.newInstance();
instance.read(body, args.getMethod());
return instance;
} catch (FlickrException ex) {
throw ex;
} catch (IllegalStateException ex) {
throw new FlickrException("Server request error", ex);
} catch (InstantiationException ex) {
throw new FlickrException("Server request error", ex);
} catch (IllegalAccessException ex) {
throw new FlickrException("Server request error", ex);
}
}
/**
* Perform the 'alias' command.
*
* @param session JSwat session on which to operate.
* @param args Tokenized string of command arguments.
* @param out Output to write messages to.
*/
public void perform(Session session, CommandArguments args, Log out) {
CommandManager cmdman = (CommandManager) session.getManager(CommandManager.class);
if (args.hasMoreTokens()) {
String aliasName = args.nextToken();
if (args.hasMoreTokens()) {
// Grab rest of string as alias value.
// Be sure to preserve the quotes and escapes.
args.returnAsIs(true);
String alias = args.rest().trim();
if (alias.charAt(0) == '"' && alias.charAt(alias.length() - 1) == '"') {
// Must remove the enclosing quotes because the
// command parser doesn't handle that.
alias = alias.substring(1, alias.length() - 1);
}
// Add the command alias to the list.
cmdman.createAlias(aliasName, alias);
out.writeln(Bundle.getString("alias.defined") + ' ' + aliasName);
} else {
// One argument, show the alias definition.
String alias = cmdman.getAlias(aliasName);
if (alias == null) {
throw new CommandException(Bundle.getString("alias.undefined") + ' ' + aliasName);
} else {
out.writeln("alias " + aliasName + ' ' + alias);
}
}
} else {
// No arguments, show the defined aliases.
cmdman.listAliases();
}
} // perform
/**
* Executes the command in the executor it is currently set to.
*
* @param source that sent the command
* @param args command arguments
* @throws CommandException if the command executor is null or if {@link
* Executor#execute(CommandSource, Command, CommandArguments)} throws a CommandException.
*/
public void process(CommandSource source, CommandArguments args) throws CommandException {
// check permissions
if (permission != null && !source.hasPermission(permission)) {
throw new CommandException("You do not have permission to execute this command.");
}
args.flags().registerFlags(this.flags);
// no child found, try to execute
for (CommandFilter filter : filters) {
filter.validate(this, source, args);
}
// execute a child if applicable
if (children.size() > 0) {
Command child = getChild(args.popString("child"), false);
if (child != null) {
if (executor != null) {
executor.execute(source, this, args);
}
child.process(source, args);
} else {
throw args.failure("child", "Unknown child!", false);
}
} else {
if (executor == null) {
throw new CommandException("CommandDescription exists but has no set executor.");
}
args.flags().parse();
executor.execute(source, this, args);
}
}
/**
* Perform the 'history' command.
*
* @param session JSwat session on which to operate.
* @param args Tokenized string of command arguments.
* @param out Output to write messages to.
*/
public void perform(Session session, CommandArguments args, Log out) {
CommandManager cmdman = (CommandManager) session.getManager(CommandManager.class);
if (args.hasMoreTokens()) {
String arg = args.nextToken();
try {
int size = Integer.parseInt(arg);
cmdman.setHistorySize(size);
out.writeln(Bundle.getString("history.sizeSet"));
} catch (NumberFormatException nfe) {
throw new CommandException(Bundle.getString("history.invalidSize"));
} catch (IllegalArgumentException iae) {
throw new CommandException(Bundle.getString("history.invalidRange"));
}
} else {
cmdman.displayHistory();
}
} // perform
final <T extends ServerResponse> T doGet(CommandArguments args, Class<T> clazz)
throws FlickrException {
OAuthRequest request = new OAuthRequest(Verb.GET, URL_PREFIX);
// check for proxy, use if available
if (proxy != null) {
request.setProxy(proxy);
}
for (Map.Entry<String, Object> param : args.getParameters().entrySet()) {
request.addQuerystringParameter(param.getKey(), String.valueOf(param.getValue()));
}
oauth.signRequest(request);
Response response = request.send();
String body = response.getBody();
return parseBody(args, clazz, body);
}
public boolean prepareDelegate(
Object subject, CommandSession session, List<Object> params, CommandArguments args)
throws Exception {
args.subject = subject;
// Introspect
for (Class type = subject.getClass(); type != null; type = type.getSuperclass()) {
for (Field field : type.getDeclaredFields()) {
Option option = field.getAnnotation(Option.class);
if (option != null) {
args.options.put(option, field);
}
Argument argument = field.getAnnotation(Argument.class);
if (argument != null) {
if (Argument.DEFAULT.equals(argument.name())) {
final Argument delegate = argument;
final String name = field.getName();
argument =
new Argument() {
public String name() {
return name;
}
public String description() {
return delegate.description();
}
public boolean required() {
return delegate.required();
}
public int index() {
return delegate.index();
}
public boolean multiValued() {
return delegate.multiValued();
}
public String valueToShowInHelp() {
return delegate.valueToShowInHelp();
}
public Class<? extends Annotation> annotationType() {
return delegate.annotationType();
}
};
}
args.arguments.put(argument, field);
int index = argument.index();
while (args.orderedArguments.size() <= index) {
args.orderedArguments.add(null);
}
if (args.orderedArguments.get(index) != null) {
throw new IllegalArgumentException("Duplicate argument index: " + index);
}
args.orderedArguments.set(index, argument);
}
}
}
// Check indexes are correct
for (int i = 0; i < args.orderedArguments.size(); i++) {
if (args.orderedArguments.get(i) == null) {
throw new IllegalArgumentException("Missing argument for index: " + i);
}
}
// Populate
Map<Option, Object> optionValues =
new TreeMap<Option, Object>(CommandArguments.OPTION_COMPARATOR);
Map<Argument, Object> argumentValues = new HashMap<Argument, Object>();
boolean processOptions = true;
int argIndex = 0;
for (Iterator<Object> it = params.iterator(); it.hasNext(); ) {
Object param = it.next();
// Check for help
if (HELP.name().equals(param) || Arrays.asList(HELP.aliases()).contains(param)) {
printUsageDelegate(session, subject, args.options, args.arguments, System.out);
return false;
}
if (processOptions && param instanceof String && ((String) param).startsWith("-")) {
boolean isKeyValuePair = ((String) param).indexOf('=') != -1;
String name;
Object value = null;
if (isKeyValuePair) {
name = ((String) param).substring(0, ((String) param).indexOf('='));
value = ((String) param).substring(((String) param).indexOf('=') + 1);
} else {
name = (String) param;
}
Option option = null;
for (Option opt : args.options.keySet()) {
if (name.equals(opt.name()) || Arrays.asList(opt.aliases()).contains(name)) {
option = opt;
break;
}
}
if (option == null) {
throw new CommandException(
Ansi.ansi()
.fg(Ansi.Color.RED)
.a("Error executing command ")
.a(scope)
.a(":")
.a(Ansi.Attribute.INTENSITY_BOLD)
.a(name)
.a(Ansi.Attribute.INTENSITY_BOLD_OFF)
.a(" undefined option ")
.a(Ansi.Attribute.INTENSITY_BOLD)
.a(param)
.a(Ansi.Attribute.INTENSITY_BOLD_OFF)
.fg(Ansi.Color.DEFAULT)
.toString(),
"Undefined option: " + param);
}
Field field = args.options.get(option);
if (value == null
&& (field.getType() == boolean.class || field.getType() == Boolean.class)) {
value = Boolean.TRUE;
}
if (value == null && it.hasNext()) {
value = it.next();
}
if (value == null) {
throw new CommandException(
Ansi.ansi()
.fg(Ansi.Color.RED)
.a("Error executing command ")
.a(scope)
.a(":")
.a(Ansi.Attribute.INTENSITY_BOLD)
.a(name)
.a(Ansi.Attribute.INTENSITY_BOLD_OFF)
.a(" missing value for option ")
.a(Ansi.Attribute.INTENSITY_BOLD)
.a(param)
.a(Ansi.Attribute.INTENSITY_BOLD_OFF)
.fg(Ansi.Color.DEFAULT)
.toString(),
"Missing value for option: " + param);
}
if (option.multiValued()) {
List<Object> l = (List<Object>) optionValues.get(option);
if (l == null) {
l = new ArrayList<Object>();
optionValues.put(option, l);
}
l.add(value);
} else {
optionValues.put(option, value);
}
} else {
processOptions = false;
if (argIndex >= args.orderedArguments.size()) {
throw new CommandException(
Ansi.ansi()
.fg(Ansi.Color.RED)
.a("Error executing command ")
.a(scope)
.a(":")
.a(Ansi.Attribute.INTENSITY_BOLD)
.a(name)
.a(Ansi.Attribute.INTENSITY_BOLD_OFF)
.a(": too many arguments specified")
.fg(Ansi.Color.DEFAULT)
.toString(),
"Too many arguments specified");
}
Argument argument = args.orderedArguments.get(argIndex);
if (!argument.multiValued()) {
argIndex++;
}
if (argument.multiValued()) {
List<Object> l = (List<Object>) argumentValues.get(argument);
if (l == null) {
l = new ArrayList<Object>();
argumentValues.put(argument, l);
}
l.add(param);
} else {
argumentValues.put(argument, param);
}
}
}
// Check required arguments / options
for (Option option : args.options.keySet()) {
if (option.required() && optionValues.get(option) == null) {
throw new CommandException(
Ansi.ansi()
.fg(Ansi.Color.RED)
.a("Error executing command ")
.a(scope)
.a(":")
.a(Ansi.Attribute.INTENSITY_BOLD)
.a(name)
.a(Ansi.Attribute.INTENSITY_BOLD_OFF)
.a(": option ")
.a(Ansi.Attribute.INTENSITY_BOLD)
.a(option.name())
.a(Ansi.Attribute.INTENSITY_BOLD_OFF)
.a(" is required")
.fg(Ansi.Color.DEFAULT)
.toString(),
"Option " + option.name() + " is required");
}
}
for (Argument argument : args.arguments.keySet()) {
if (argument.required() && argumentValues.get(argument) == null) {
throw new CommandException(
Ansi.ansi()
.fg(Ansi.Color.RED)
.a("Error executing command ")
.a(scope)
.a(":")
.a(Ansi.Attribute.INTENSITY_BOLD)
.a(name)
.a(Ansi.Attribute.INTENSITY_BOLD_OFF)
.a(": argument ")
.a(Ansi.Attribute.INTENSITY_BOLD)
.a(argument.name())
.a(Ansi.Attribute.INTENSITY_BOLD_OFF)
.a(" is required")
.fg(Ansi.Color.DEFAULT)
.toString(),
"Argument " + argument.name() + " is required");
}
}
// Convert and inject values
for (Map.Entry<Option, Object> entry : optionValues.entrySet()) {
Field field = args.options.get(entry.getKey());
Object value;
try {
value = convert(subject, entry.getValue(), field.getGenericType());
} catch (Exception e) {
throw new CommandException(
Ansi.ansi()
.fg(Ansi.Color.RED)
.a("Error executing command ")
.a(scope)
.a(":")
.a(Ansi.Attribute.INTENSITY_BOLD)
.a(name)
.a(Ansi.Attribute.INTENSITY_BOLD_OFF)
.a(": unable to convert option ")
.a(Ansi.Attribute.INTENSITY_BOLD)
.a(entry.getKey().name())
.a(Ansi.Attribute.INTENSITY_BOLD_OFF)
.a(" with value '")
.a(entry.getValue())
.a("' to type ")
.a(new GenericType(field.getGenericType()).toString())
.fg(Ansi.Color.DEFAULT)
.toString(),
"Unable to convert option "
+ entry.getKey().name()
+ " with value '"
+ entry.getValue()
+ "' to type "
+ new GenericType(field.getGenericType()).toString(),
e);
}
field.setAccessible(true);
field.set(subject, value);
}
for (Map.Entry<Argument, Object> entry : argumentValues.entrySet()) {
Field field = args.arguments.get(entry.getKey());
Object value;
try {
value = convert(subject, entry.getValue(), field.getGenericType());
} catch (Exception e) {
throw new CommandException(
Ansi.ansi()
.fg(Ansi.Color.RED)
.a("Error executing command ")
.a(scope)
.a(":")
.a(Ansi.Attribute.INTENSITY_BOLD)
.a(name)
.a(Ansi.Attribute.INTENSITY_BOLD_OFF)
.a(": unable to convert argument ")
.a(Ansi.Attribute.INTENSITY_BOLD)
.a(entry.getKey().name())
.a(Ansi.Attribute.INTENSITY_BOLD_OFF)
.a(" with value '")
.a(entry.getValue())
.a("' to type ")
.a(new GenericType(field.getGenericType()).toString())
.fg(Ansi.Color.DEFAULT)
.toString(),
"Unable to convert argument "
+ entry.getKey().name()
+ " with value '"
+ entry.getValue()
+ "' to type "
+ new GenericType(field.getGenericType()).toString(),
e);
}
field.setAccessible(true);
field.set(subject, value);
}
return true;
}
/**
* Perform the 'capture' command.
*
* @param session debugging session on which to operate.
* @param args Tokenized string of command arguments.
* @param out Output to write messages to.
*/
public void perform(Session session, CommandArguments args, Log out) {
// Get the current capture settings.
boolean captureStdout = Capture.isOutputEnabled(session);
boolean captureFile = Capture.isFileEnabled(session);
String filename = Capture.getFilename(session);
if (args.hasMoreTokens()) {
// Modify the capture settings.
while (args.hasMoreTokens()) {
String token = args.nextToken();
boolean enable = false;
boolean disable = false;
if (token.startsWith("+")) {
enable = true;
token = token.substring(1);
} else if (token.startsWith("-")) {
disable = true;
token = token.substring(1);
}
if (token.equals("stdout")) {
captureStdout = enable || !disable && !captureStdout;
} else if (token.equals("file")) {
captureFile = enable || !disable && !captureFile;
if (captureFile) {
if (args.hasMoreTokens()) {
filename = args.nextToken();
} else {
throw new MissingArgumentsException(Bundle.getString("capture.missingFilename"));
}
}
} else {
throw new CommandException(Bundle.getString("capture.unknownType") + ' ' + token);
}
}
Capture.setOutputEnabled(captureStdout, session);
File file = null;
if (captureFile) {
// Create the file and check that it exists.
file = new File(filename);
if (file.exists() && !file.canWrite()) {
throw new CommandException(Bundle.getString("capture.readOnlyFile"));
}
}
// Enable or disable the file capture.
try {
Capture.setFileEnabled(captureFile, file, session);
} catch (FileNotFoundException fnfe) {
throw new CommandException(Bundle.getString("capture.fileNotFound"));
} catch (IOException ioe) {
throw new CommandException(ioe);
}
} else {
// Display the capture settings.
StringBuffer buf = new StringBuffer();
if (captureStdout) {
buf.append(Bundle.getString("capture.stdout"));
buf.append('\n');
}
if (captureFile) {
buf.append(Bundle.getString("capture.file") + ' ' + filename);
buf.append('\n');
}
if (buf.length() > 0) {
out.write(buf.toString());
} else {
out.writeln(Bundle.getString("capture.none"));
}
}
} // perform
/**
* Perform the 'hotswap' command.
*
* @param session JSwat session on which to operate.
* @param args Tokenized string of command arguments.
* @param out Output to write messages to.
*/
public void perform(Session session, CommandArguments args, Log out) {
if (!session.isActive()) {
throw new CommandException(Bundle.getString("noActiveSession"));
}
if (!args.hasMoreTokens()) {
throw new MissingArgumentsException();
}
// Name of class is required; name of .class file is optional.
String cname = args.nextToken();
String cfile = null;
if (args.hasMoreTokens()) {
cfile = args.nextToken();
}
// Find the ReferenceType for this class.
VirtualMachine vm = session.getConnection().getVM();
List classes = vm.classesByName(cname);
if (classes.size() == 0) {
throw new CommandException(Bundle.getString("hotswap.noSuchClass"));
}
ReferenceType clazz = (ReferenceType) classes.get(0);
// Did the user give us a .class file?
InputStream is = null;
if (cfile == null) {
// Try to find the .class file.
PathManager pathman = (PathManager) session.getManager(PathManager.class);
SourceSource src = pathman.mapClass(clazz);
if (src == null) {
throw new CommandException(Bundle.getString("hotswap.fileNotFound"));
}
is = src.getInputStream();
} else {
// A filename was given, just open it.
try {
is = new FileInputStream(cfile);
} catch (FileNotFoundException fnfe) {
throw new CommandException(Bundle.getString("hotswap.fileNotFound"));
}
}
// Do the actual hotswap operation.
try {
Classes.hotswap(clazz, is, vm);
out.writeln(Bundle.getString("hotswap.success"));
} catch (UnsupportedOperationException uoe) {
if (!vm.canRedefineClasses()) {
throw new CommandException(Bundle.getString("hotswap.noHotSwap"));
} else if (!vm.canAddMethod()) {
throw new CommandException(Bundle.getString("hotswap.noAddMethod"));
} else if (!vm.canUnrestrictedlyRedefineClasses()) {
throw new CommandException(Bundle.getString("hotswap.noUnrestricted"));
} else {
throw new CommandException(Bundle.getString("hotswap.unsupported"));
}
} catch (IOException ioe) {
throw new CommandException(Bundle.getString("hotswap.errorReadingFile") + ' ' + ioe);
} catch (NoClassDefFoundError ncdfe) {
throw new CommandException(Bundle.getString("hotswap.wrongClass"));
} catch (VerifyError ve) {
throw new CommandException(Bundle.getString("hotswap.verifyError") + ' ' + ve);
} catch (UnsupportedClassVersionError ucve) {
throw new CommandException(Bundle.getString("hotswap.versionError") + ' ' + ucve);
} catch (ClassFormatError cfe) {
throw new CommandException(Bundle.getString("hotswap.formatError") + ' ' + cfe);
} catch (ClassCircularityError cce) {
throw new CommandException(Bundle.getString("hotswap.circularity") + ' ' + cce);
} finally {
if (is != null) {
try {
is.close();
} catch (IOException ioe) {
}
}
}
} // perform
