/**
* Starts pub serve for a given launch configuration. Checks if the current pub serve is for the
* same pubspec.yaml, if not then starts up pub serve.
*
* @param wrapper - the launch config wrapper
* @return - true if pub serve starts
*/
public boolean startPubServe(DartLaunchConfigWrapper wrapper) {
// TODO(keertip): output to process console
console = DartCore.getConsole();
if (currentLaunch != null) {
IResource resource = currentLaunch.getApplicationResource();
if (resource != null) {
// check if previous launch and new launch share the same pubspec. If so, and pub serve is
// running, then current pub serve can be used.
IContainer appDir = DartCore.getApplicationDirectory(resource);
if (appDir.equals(DartCore.getApplicationDirectory(wrapper.getApplicationResource()))) {
// TODO(keertip): make this separate checks so that new connection can be started without
// starting new process
if (process != null
&& !isTerminated()
&& pubConnection != null
&& pubConnection.isConnected()) {
console.printSeparator("Starting pub serve : " + resource.getProject().getName());
// make sure pub is serving the directory, send serve directory command
boolean isServed = serveDirectory(wrapper.getApplicationResource());
if (isServed) {
currentLaunch = wrapper;
return true;
}
}
}
}
}
// terminate existing pub serve if any
dispose();
return runPubServe(wrapper);
}
private boolean runPubServe(DartLaunchConfigWrapper wrapper) {
stdOut = new StringBuilder();
stdError = new StringBuilder();
IResource resource = wrapper.getApplicationResource();
console.printSeparator("Starting pub serve : " + resource.getProject().getName());
workingDir = DartCore.getApplicationDirectory(resource);
List<String> args = buildPubServeCommand();
String dirName = getPubserveRootDir(workingDir, resource);
if (dirName != null) {
args.add(getPubserveRootDir(workingDir, resource));
}
ProcessBuilder builder = new ProcessBuilder();
builder.command(args);
builder.directory(workingDir.getLocation().toFile());
try {
process = builder.start();
} catch (IOException e) {
DartCore.logError(e);
return false;
}
Thread stdoutThread =
new Thread(
new Runnable() {
@Override
public void run() {
copyStream(process.getInputStream(), stdOut, true);
}
});
stdoutThread.start();
Thread stderrThread =
new Thread(
new Runnable() {
@Override
public void run() {
copyStream(process.getErrorStream(), stdError, true);
}
});
stderrThread.start();
while (!isTerminated() && !stdOut.toString().contains(LOCAL_HOST_ADDR)) {
try {
Thread.sleep(200);
} catch (Exception exception) {
}
}
if (isTerminated()) {
return false;
}
currentLaunch = wrapper;
return true;
}
private boolean sendGetUrlCommand(PubCallback<String> callback) {
PubCommands command = pubConnection.getCommands();
try {
command.pathToUrl(getPathFromWorkingDir(currentLaunch.getApplicationResource()), callback);
} catch (IOException e) {
DartDebugCorePlugin.logError(e);
return false;
}
return true;
}