private int execute(CliRequest cliRequest) {
MavenExecutionResult result = maven.execute(cliRequest.request);
if (result.hasExceptions()) {
ExceptionHandler handler = new DefaultExceptionHandler();
Map<String, String> references = new LinkedHashMap<String, String>();
MavenProject project = null;
for (Throwable exception : result.getExceptions()) {
ExceptionSummary summary = handler.handleException(exception);
logSummary(summary, references, "", cliRequest.showErrors);
if (project == null && exception instanceof LifecycleExecutionException) {
project = ((LifecycleExecutionException) exception).getProject();
}
}
logger.error("");
if (!cliRequest.showErrors) {
logger.error("To see the full stack trace of the errors, re-run Maven with the -e switch.");
}
if (!logger.isDebugEnabled()) {
logger.error("Re-run Maven using the -X switch to enable full debug logging.");
}
if (!references.isEmpty()) {
logger.error("");
logger.error(
"For more information about the errors and possible solutions"
+ ", please read the following articles:");
for (Map.Entry<String, String> entry : references.entrySet()) {
logger.error(entry.getValue() + " " + entry.getKey());
}
}
if (project != null && !project.equals(result.getTopologicallySortedProjects().get(0))) {
logger.error("");
logger.error("After correcting the problems, you can resume the build with the command");
logger.error(" mvn <goals> -rf :" + project.getArtifactId());
}
if (MavenExecutionRequest.REACTOR_FAIL_NEVER.equals(
cliRequest.request.getReactorFailureBehavior())) {
logger.info("Build failures were ignored.");
return 0;
} else {
return 1;
}
} else {
return 0;
}
}
private void logSummary(
ExceptionSummary summary, Map<String, String> references, String indent, boolean showErrors) {
String referenceKey = "";
if (StringUtils.isNotEmpty(summary.getReference())) {
referenceKey = references.get(summary.getReference());
if (referenceKey == null) {
referenceKey = "[Help " + (references.size() + 1) + "]";
references.put(summary.getReference(), referenceKey);
}
}
String msg = summary.getMessage();
if (StringUtils.isNotEmpty(referenceKey)) {
if (msg.indexOf('\n') < 0) {
msg += " -> " + referenceKey;
} else {
msg += "\n-> " + referenceKey;
}
}
String[] lines = msg.split("(\r\n)|(\r)|(\n)");
for (int i = 0; i < lines.length; i++) {
String line = indent + lines[i].trim();
if ((i == lines.length - 1)
&& (showErrors || (summary.getException() instanceof InternalErrorException))) {
slf4jLogger.error(line, summary.getException());
} else {
slf4jLogger.error(line);
}
}
indent += " ";
for (ExceptionSummary child : summary.getChildren()) {
logSummary(child, references, indent, showErrors);
}
}