/** Walk project references recursively, adding thrift files to the provided list. */
List<File> getRecursiveThriftFiles(MavenProject project, String outputDirectory, List<File> files)
throws IOException {
HashFunction hashFun = Hashing.md5();
if (dependencyIncludes.contains(project.getArtifactId())) {
File dir = new File(new File(project.getFile().getParent(), "target"), outputDirectory);
if (dir.exists()) {
URI baseDir = getFileURI(dir);
for (File f : findThriftFilesInDirectory(dir)) {
URI fileURI = getFileURI(f);
String relPath = baseDir.relativize(fileURI).getPath();
File destFolder = getResourcesOutputDirectory();
destFolder.mkdirs();
File destFile = new File(destFolder, relPath);
if (!destFile.exists()
|| (destFile.isFile()
&& !Files.hash(f, hashFun).equals(Files.hash(destFile, hashFun)))) {
getLog()
.info(
format("copying %s to %s", f.getCanonicalPath(), destFile.getCanonicalPath()));
copyFile(f, destFile);
}
files.add(destFile);
}
}
}
Map<String, MavenProject> refs = project.getProjectReferences();
for (String name : refs.keySet()) {
getRecursiveThriftFiles(refs.get(name), outputDirectory, files);
}
return files;
}
/** build a complete set of local files, files from referenced projects, and dependencies. */
private Set<File> findThriftFiles() throws IOException {
final File thriftSourceRoot = getThriftSourceRoot();
Set<File> thriftFiles = new HashSet<File>();
if (thriftSourceRoot != null && thriftSourceRoot.exists()) {
thriftFiles.addAll(findThriftFilesInDirectory(thriftSourceRoot));
}
getLog().info("finding thrift files in dependencies");
extractFilesFromDependencies(
findThriftDependencies(dependencyIncludes), getResourcesOutputDirectory());
if (getResourcesOutputDirectory().exists()) {
thriftFiles.addAll(findThriftFilesInDirectory(getResourcesOutputDirectory()));
}
getLog().info("finding thrift files in referenced (reactor) projects");
thriftFiles.addAll(getReferencedThriftFiles());
return thriftFiles;
}
/** Executes the mojo. */
public void execute() throws MojoExecutionException, MojoFailureException {
try {
Set<File> thriftFiles = findThriftFiles();
final File outputDirectory = getOutputDirectory();
ImmutableSet<File> outputFiles = findGeneratedFilesInDirectory(getOutputDirectory());
Set<String> compileRoots = new HashSet<String>();
compileRoots.add("scrooge");
if (thriftFiles.isEmpty()) {
getLog().info("No thrift files to compile.");
} else if (checkStaleness
&& ((lastModified(thriftFiles) + staleMillis) < lastModified(outputFiles))) {
getLog().info("Generated thrift files up to date, skipping compile.");
attachFiles(compileRoots);
} else {
outputDirectory.mkdirs();
// Quick fix to fix issues with two mvn installs in a row (ie no clean)
cleanDirectory(outputDirectory);
getLog().info(format("compiling thrift files %s with Scrooge", thriftFiles));
synchronized (lock) {
ScroogeRunner runner = new ScroogeRunner();
Map<String, String> thriftNamespaceMap = new HashMap<String, String>();
for (ThriftNamespaceMapping mapping : thriftNamespaceMappings) {
thriftNamespaceMap.put(mapping.getFrom(), mapping.getTo());
}
// Include thrifts from resource as well.
Set<File> includes = thriftIncludes;
includes.add(getResourcesOutputDirectory());
runner.compile(
getLog(),
new File(outputDirectory, "scrooge"),
thriftFiles,
includes,
thriftNamespaceMap,
language,
thriftOpts);
}
attachFiles(compileRoots);
}
} catch (IOException e) {
throw new MojoExecutionException("An IO error occured", e);
}
}
/** Iterate through dependencies, find those specified in the whitelist */
private Set<Artifact> findThriftDependencies(Set<String> whitelist) throws IOException {
Set<Artifact> thriftDependencies = new HashSet<Artifact>();
Set<Artifact> deps = new HashSet<Artifact>();
deps.addAll(project.getArtifacts());
deps.addAll(project.getDependencyArtifacts());
Map<String, Artifact> depsMap = new HashMap<String, Artifact>();
for (Artifact dep : deps) {
depsMap.put(dep.getId(), dep);
}
for (Artifact artifact : deps) {
// This artifact is on the whitelist directly.
if (whitelist.contains(artifact.getArtifactId())) {
thriftDependencies.add(artifact);
// Check if this artifact is being pulled in by an idl jar that's been whitelisted
} else {
List<String> depTrail = artifact.getDependencyTrail();
// depTrail can be null sometimes, which seems like a maven bug
if (depTrail != null) {
for (String name : depTrail) {
Artifact dep = depsMap.get(name);
if (dep != null
&& "idl".equals(dep.getClassifier())
&& whitelist.contains(dep.getArtifactId())) {
thriftDependencies.add(artifact);
break;
}
}
}
}
}
return thriftDependencies;
}