package by.stub.database.thread;
import by.stub.cli.ANSITerminal;
import by.stub.database.DataStore;
import by.stub.utils.FileUtils;
import by.stub.yaml.YamlParser;
import by.stub.yaml.stubs.StubHttpLifecycle;
import java.io.File;
import java.util.List;
/**
* @author Alexander Zagniotov
* @since 11/6/12, 8:01 AM
*/
public final class ConfigurationScanner implements Runnable {
private final DataStore dataStore;
public ConfigurationScanner(final DataStore dataStore) {
this.dataStore = dataStore;
ANSITerminal.status(String.format("Configuration scan enabled, watching %s", dataStore.getDataYaml().getAbsolutePath()));
}
@Override
public void run() {
try {
final File dataYaml = dataStore.getDataYaml();
long lastModified = dataYaml.lastModified();
while (!Thread.currentThread().isInterrupted()) {
Thread.sleep(3000);
final long currentFileModified = dataYaml.lastModified();
if (lastModified >= currentFileModified) {
continue;
}
ANSITerminal.info(String.format("\nConfiguration scan detected change in %s\n", dataStore.getDataYaml().getAbsolutePath()));
try {
lastModified = currentFileModified;
final List<StubHttpLifecycle> stubHttpLifecycles = new YamlParser().parse(FileUtils.constructReader(dataYaml));
dataStore.resetStubHttpLifecycles(stubHttpLifecycles);
ANSITerminal.ok(String.format("%sSuccessfully performed live reload of YAML configuration from: %s%s",
"\n",
dataYaml.getAbsolutePath(),
"\n"));
} catch (final Exception ex) {
ANSITerminal.warn("Could not reload YAML configuration: " + ex.toString());
ANSITerminal.error(String.format("%sFailed to perform live reload of YAML configuration from: %s%s",
"\n",
dataYaml.getAbsolutePath(),
"\n"));
}
}
} catch (final Exception ex) {
ANSITerminal.error("Could not perform live YAML scan: " + ex.toString());
}
}
}