private Map<String, HeaderDefinition> buildHeaderDefinitions() throws MojoFailureException {
// like mappings, first get default definitions
final Map<String, HeaderDefinition> headers =
new HashMap<String, HeaderDefinition>(HeaderType.defaultDefinitions());
// and then override them with those provided in properties file
for (String resource : headerDefinitions) {
try {
InputSource source = new InputSource(finder.findResource(resource).openStream());
source.setEncoding(encoding);
final AdditionalHeaderDefinition fileDefinitions =
new AdditionalHeaderDefinition(XMLDoc.from(source, true));
final Map<String, HeaderDefinition> map = fileDefinitions.getDefinitions();
debug("%d header definitions loaded from '%s'", map.size(), resource);
headers.putAll(map);
} catch (IOException ex) {
throw new MojoFailureException("Error reading header definition: " + resource, ex);
}
}
// force inclusion of unknow item to manage unknown files
headers.put(HeaderType.UNKNOWN.getDefinition().getType(), HeaderType.UNKNOWN.getDefinition());
return headers;
}
@SuppressWarnings({"unchecked"})
public final void execute(final Callback callback)
throws MojoExecutionException, MojoFailureException {
if (!skip) {
if (header == null) {
warn("No header file specified to check for license");
return;
}
if (!strictCheck) {
warn(
"Property 'strictCheck' is not enabled. Please consider adding <strictCheck>true</strictCheck> in your pom.xml file.");
warn("See http://mycila.github.io/license-maven-plugin for more information.");
}
finder = new ResourceFinder(basedir);
try {
finder.setCompileClassPath(project.getCompileClasspathElements());
} catch (DependencyResolutionRequiredException e) {
throw new MojoExecutionException(e.getMessage(), e);
}
finder.setPluginClassPath(getClass().getClassLoader());
final Header h = new Header(finder.findResource(this.header), encoding, headerSections);
debug("Header %s:\n%s", h.getLocation(), h);
if (this.validHeaders == null) {
this.validHeaders = new String[0];
}
final List<Header> validHeaders = new ArrayList<Header>(this.validHeaders.length);
for (String validHeader : this.validHeaders) {
validHeaders.add(new Header(finder.findResource(validHeader), encoding, headerSections));
}
final List<PropertiesProvider> propertiesProviders = new LinkedList<PropertiesProvider>();
for (PropertiesProvider provider :
ServiceLoader.load(
PropertiesProvider.class, Thread.currentThread().getContextClassLoader())) {
propertiesProviders.add(provider);
}
final DocumentPropertiesLoader propertiesLoader =
new DocumentPropertiesLoader() {
@Override
public Properties load(Document document) {
Properties props = new Properties();
for (Map.Entry<String, String> entry : mergeProperties(document).entrySet()) {
if (entry.getValue() != null) {
props.setProperty(entry.getKey(), entry.getValue());
} else {
props.remove(entry.getKey());
}
}
for (PropertiesProvider provider : propertiesProviders) {
try {
final Map<String, String> providerProperties =
provider.getAdditionalProperties(AbstractLicenseMojo.this, props, document);
if (getLog().isDebugEnabled()) {
getLog()
.debug(
"provider: "
+ provider.getClass()
+ " brought new properties\n"
+ providerProperties);
}
for (Map.Entry<String, String> entry : providerProperties.entrySet()) {
if (entry.getValue() != null) {
props.setProperty(entry.getKey(), entry.getValue());
} else {
props.remove(entry.getKey());
}
}
} catch (Exception e) {
getLog().warn("failure occured while calling " + provider.getClass(), e);
}
}
return props;
}
};
final DocumentFactory documentFactory =
new DocumentFactory(
basedir,
buildMapping(),
buildHeaderDefinitions(),
encoding,
keywords,
propertiesLoader);
int nThreads = (int) (Runtime.getRuntime().availableProcessors() * concurrencyFactor);
ExecutorService executorService = Executors.newFixedThreadPool(nThreads);
CompletionService completionService = new ExecutorCompletionService(executorService);
int count = 0;
debug("Number of execution threads: %s", nThreads);
try {
for (final String file : listSelectedFiles()) {
completionService.submit(
new Runnable() {
@Override
public void run() {
Document document = documentFactory.createDocuments(file);
debug(
"Selected file: %s [header style: %s]",
document.getFilePath(), document.getHeaderDefinition());
if (document.isNotSupported()) {
callback.onUnknownFile(document, h);
} else if (document.is(h)) {
debug("Skipping header file: %s", document.getFilePath());
} else if (document.hasHeader(h, strictCheck)) {
callback.onExistingHeader(document, h);
} else {
boolean headerFound = false;
for (Header validHeader : validHeaders) {
if (headerFound = document.hasHeader(validHeader, strictCheck)) {
callback.onExistingHeader(document, h);
break;
}
}
if (!headerFound) {
callback.onHeaderNotFound(document, h);
}
}
}
},
null);
count++;
}
while (count-- > 0) {
try {
completionService.take().get();
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
} catch (ExecutionException e) {
Throwable cause = e.getCause();
if (cause instanceof Error) {
throw (Error) cause;
}
if (cause instanceof MojoExecutionException) {
throw (MojoExecutionException) cause;
}
if (cause instanceof MojoFailureException) {
throw (MojoFailureException) cause;
}
if (cause instanceof RuntimeException) {
throw (RuntimeException) cause;
}
throw new RuntimeException(cause.getMessage(), cause);
}
}
} finally {
executorService.shutdownNow();
}
}
}