/**
* Sets the default interpreter to be the current one. The result is "none" if the remote JVM is
* unavailable or if an exception occurs. Blocks until the interpreter is connected.
*
* @return Status flags: whether the current interpreter changed, and whether it is busy; or
* "none" on an error
*/
public Option<Pair<Boolean, Boolean>> setToDefaultInterpreter() {
InterpreterJVMRemoteI remote = _state.value().interpreter(false);
if (remote == null) {
return Option.none();
}
try {
return Option.some(remote.setToDefaultInterpreter());
} catch (RemoteException e) {
_handleRemoteException(e);
return Option.none();
}
}
/**
* Runs the JUnit test suite already cached in the Interpreter JVM. Blocks until the remote JVM is
* available. Returns {@code false} if no test suite is cached, the remote JVM is unavailable, or
* an error occurs.
*/
public boolean runTestSuite() {
InterpreterJVMRemoteI remote = _state.value().interpreter(true);
if (remote == null) {
return false;
}
try {
return remote.runTestSuite();
} catch (RemoteException e) {
_handleRemoteException(e);
return false;
}
}
/**
* Returns the current class path of the interpreter as a list of unique entries. The result is
* "none" if the remote JVM is unavailable or if an exception occurs. Blocks until the interpreter
* is connected.
*/
public Option<Iterable<File>> getClassPath() {
InterpreterJVMRemoteI remote = _state.value().interpreter(false);
if (remote == null) {
return Option.none();
}
try {
return Option.some(remote.getClassPath());
} catch (RemoteException e) {
_handleRemoteException(e);
return Option.none();
}
}
/**
* Sets up a JUnit test suite in the Interpreter JVM and finds which classes are really TestCase
* classes (by loading them). Blocks until the interpreter is connected and the operation
* completes.
*
* @param classNames the class names to run in a test
* @param files the associated file
* @return the class names that are actually test cases
*/
public Option<List<String>> findTestClasses(List<String> classNames, List<File> files) {
InterpreterJVMRemoteI remote = _state.value().interpreter(false);
if (remote == null) {
return Option.none();
}
try {
return Option.some(remote.findTestClasses(classNames, files));
} catch (RemoteException e) {
_handleRemoteException(e);
return Option.none();
}
}
/**
* Gets the string representation of the value of a variable in the current interpreter, or "none"
* if the remote JVM is unavailable or an error occurs. Blocks until the interpreter is connected.
*
* @param var the name of the variable
*/
public Option<Pair<String, String>> getVariableToString(String var) {
InterpreterJVMRemoteI remote = _state.value().interpreter(false);
if (remote == null) {
return Option.none();
}
try {
return Option.some(remote.getVariableToString(var));
} catch (RemoteException e) {
_handleRemoteException(e);
return Option.none();
}
}
/**
* Require variable declarations to include an explicit type. The result is {@code false} if the
* remote JVM is unavailable or if an exception occurs. Blocks until the interpreter is connected.
*/
public boolean setRequireVariableType(boolean require) {
InterpreterJVMRemoteI remote = _state.value().interpreter(false);
if (remote == null) {
return false;
}
try {
remote.setRequireVariableType(require);
return true;
} catch (RemoteException e) {
_handleRemoteException(e);
return false;
}
}
/**
* Sets the interpreter to enforce access to private members. The result is {@code false} if the
* remote JVM is unavailable or if an exception occurs. Blocks until the interpreter is connected.
*/
public boolean setEnforcePrivateAccess(boolean enforce) {
InterpreterJVMRemoteI remote = _state.value().interpreter(false);
if (remote == null) {
return false;
}
try {
remote.setEnforcePrivateAccess(enforce);
return true;
} catch (RemoteException e) {
_handleRemoteException(e);
return false;
}
}
/**
* Removes the interpreter with the given name, if it exists. The result is {@code false} if the
* remote JVM is unavailable or if an exception occurs. Blocks until the interpreter is connected.
*
* @param name Name of the interpreter to remove
*/
public boolean removeInterpreter(String name) {
InterpreterJVMRemoteI remote = _state.value().interpreter(false);
if (remote == null) {
return false;
}
try {
remote.removeInterpreter(name);
return true;
} catch (RemoteException e) {
_handleRemoteException(e);
return false;
}
}
/**
* Sets the Interpreter to be in the given package. Blocks until the interpreter is connected.
*
* @param packageName Name of the package to enter.
*/
public boolean setPackageScope(String packageName) {
InterpreterJVMRemoteI remote = _state.value().interpreter(false);
if (remote == null) {
return false;
}
try {
remote.interpret("package " + packageName + ";");
return true;
} catch (RemoteException e) {
_handleRemoteException(e);
return false;
}
}
/**
* Blocks until the interpreter is connected. Returns {@code true} if the change was successfully
* passed to the remote JVM.
*/
public boolean addExtraClassPath(File f) {
InterpreterJVMRemoteI remote = _state.value().interpreter(false);
if (remote == null) {
return false;
}
try {
remote.addExtraClassPath(f);
return true;
} catch (RemoteException e) {
_handleRemoteException(e);
return false;
}
}
@Override
public void started(InterpreterJVMRemoteI i) {
if (_state.compareAndSet(this, new FreshRunningState(i))) {
boolean enforceAllAccess =
DrJava.getConfig()
.getSetting(OptionConstants.DYNAMICJAVA_ACCESS_CONTROL)
.equals(
OptionConstants.DynamicJavaAccessControlChoices.PRIVATE_AND_PACKAGE); // "all"
try {
i.setEnforceAllAccess(enforceAllAccess);
} catch (RemoteException re) {
_handleRemoteException(re);
}
boolean enforcePrivateAccess =
!DrJava.getConfig()
.getSetting(OptionConstants.DYNAMICJAVA_ACCESS_CONTROL)
.equals(OptionConstants.DynamicJavaAccessControlChoices.DISABLED); // not "none"
try {
i.setEnforcePrivateAccess(enforcePrivateAccess);
} catch (RemoteException re) {
_handleRemoteException(re);
}
Boolean requireSemicolon =
DrJava.getConfig().getSetting(OptionConstants.DYNAMICJAVA_REQUIRE_SEMICOLON);
try {
i.setRequireSemicolon(requireSemicolon);
} catch (RemoteException re) {
_handleRemoteException(re);
}
Boolean requireVariableType =
DrJava.getConfig().getSetting(OptionConstants.DYNAMICJAVA_REQUIRE_VARIABLE_TYPE);
try {
i.setRequireVariableType(requireVariableType);
} catch (RemoteException re) {
_handleRemoteException(re);
}
// Note that _workingDir isn't guaranteed to be the dir at the time startup began. Is that
// a problem?
// (Is the user ever going to see a working dir message that doesn't match the actual
// setting?)
_interactionsModel.interpreterReady(_workingDir);
_junitModel.junitJVMReady();
} else {
_state.value().started(i);
}
}
/**
* Interprets string s in the remote JVM. Blocks until the interpreter is connected and evaluation
* completes.
*
* @return {@code true} if successful; {@code false} if the subprocess is unavailable, the
* subprocess dies during the call, or an unexpected exception occurs.
*/
public boolean interpret(final String s) {
InterpreterJVMRemoteI remote = _state.value().interpreter(true);
if (remote == null) {
return false;
}
try {
debug.logStart("Interpreting " + s);
InterpretResult result = remote.interpret(s);
result.apply(resultHandler());
debug.logEnd("result", result);
return true;
} catch (RemoteException e) {
debug.logEnd();
_handleRemoteException(e);
return false;
}
}