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cucumber.runtime.arquillian.feature.Features Maven / Gradle / Ivy
package cucumber.runtime.arquillian.feature;
import cucumber.api.CucumberOptions;
import cucumber.runtime.arquillian.lifecycle.CucumberLifecycle;
import cucumber.runtime.io.FileResource;
import cucumber.runtime.io.MultiLoader;
import cucumber.runtime.io.Resource;
import cucumber.runtime.io.ResourceLoader;
import cucumber.runtime.io.ZipResource;
import java.io.File;
import java.io.IOException;
import java.lang.reflect.Field;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.Map;
import java.util.logging.Logger;
import static cucumber.runtime.arquillian.shared.IOs.dump;
import static cucumber.runtime.arquillian.shared.IOs.slurp;
import static java.util.Arrays.asList;
public final class Features {
private static final Logger LOGGER = Logger.getLogger(Features.class.getName());
public static final String EXTENSION = ".feature";
private Features() {
// no-op
}
public static String featurePath(final Class javaClass) {
return javaClass.getPackage().getName().replace('.', '/')
+ '/' + createClassNameSubPackage(javaClass.getSimpleName()) + EXTENSION;
}
public static Map> createFeatureMap(final String tempDir, final String featureHome,
final Class javaClass, final ClassLoader loader) {
final Map> featureUrls = new HashMap>();
final String home;
if (featureHome != null && !featureHome.endsWith("/")) {
home = featureHome + "/";
} else {
home = featureHome;
}
final cucumber.runtime.arquillian.api.Features additionalFeaturesAnn = javaClass.getAnnotation(cucumber.runtime.arquillian.api.Features.class);
final Collection customLoaders = new LinkedList();
customLoaders.addAll(CucumberLifecycle.resourceLoaders());
if (additionalFeaturesAnn != null) {
final Class[] userLoaders = additionalFeaturesAnn.loaders();
for (final Class resourceLoader : userLoaders) {
try {
final ResourceLoader instance = resourceLoader.newInstance();
customLoaders.add(instance);
} catch (final Exception e) {
throw new IllegalArgumentException("can't create a " + resourceLoader.getName(), e);
}
}
}
for (final String raw : findFeatures(javaClass)) {
final Collection list = new ArrayList();
int lineIdx = raw.lastIndexOf(':');
final String path;
final String suffix;
if (lineIdx > 0 && lineIdx + 1 != MultiLoader.CLASSPATH_SCHEME.length()) {
path = raw.substring(0, lineIdx);
suffix = raw.substring(lineIdx);
} else {
suffix = "";
path = raw;
}
final boolean directResource = path.endsWith(EXTENSION);
if (directResource) {
{ // from classpath
final URL url = loader.getResource(path);
if (url != null) {
list.add(url);
featureUrls.put(raw + suffix, list);
continue;
}
}
// from filesystem
if (urlFromFileSystem(featureUrls, list, path, path, suffix)) {
continue;
}
// from filesystem with featureHome
if (home != null && urlFromFileSystem(featureUrls, list, path, featureHome + path, suffix)) {
continue;
}
for (final ResourceLoader instance : customLoaders) {
for (final Resource r : instance.resources(path.substring(0, path.length() - EXTENSION.length()), EXTENSION)) {
try {
final String feature = new String(slurp(r.getInputStream()));
final String featurePath = r.getPath();
final File featureDump = dump(tempDir, javaClass.getName() + '/' + featurePath, feature);
featureDump.deleteOnExit();
featureUrls.put(featurePath, asList(featureDump.toURI().toURL()));
} catch (final IOException e) {
throw new IllegalStateException(e);
}
}
}
}
findWithCucumberSearcher(loader, path, list);
if (home != null) {
findWithCucumberSearcher(loader, home + path, list);
}
if (!list.isEmpty()) {
featureUrls.put(path + suffix, list);
}
}
for (final ResourceLoader instance : customLoaders) {
try {
for (final Resource r : instance.resources(null, EXTENSION)) {
try {
final String feature = new String(slurp(r.getInputStream()));
final String featurePath = r.getPath();
final File featureDump = dump(tempDir, javaClass.getName() + '/' + featurePath, feature);
featureDump.deleteOnExit();
featureUrls.put(featurePath, asList(featureDump.toURI().toURL()));
} catch (final IOException e) {
throw new IllegalStateException(e);
}
}
} catch (final NullPointerException npe) {
// no-op: we call it with null, don't expect miracles
} catch (final IllegalArgumentException npe) {
// no-op: we call it with null, don't expect miracles
}
}
LOGGER.fine("Features: " + featureUrls);
return featureUrls;
}
private static boolean urlFromFileSystem(final Map> featureUrls, final Collection list,
final String path, final String filePath, final String keySuffix) {
final File file = new File(filePath);
if (file.exists() && !file.isDirectory()) {
try {
list.add(file.toURI().toURL());
featureUrls.put(path + keySuffix, list);
return true;
} catch (final MalformedURLException e) {
// no-op
}
}
return false;
}
private static void findWithCucumberSearcher(ClassLoader loader, String path, Collection list) {
final MultiLoader multiLoader = new MultiLoader(loader);
final Iterator resources;
try {
resources = multiLoader.resources(path, EXTENSION).iterator();
} catch (final IllegalArgumentException iae) { // not a directory...
return;
}
while (resources.hasNext()) {
final Resource resource = resources.next();
if (FileResource.class.isInstance(resource)) {
final FileResource fr = FileResource.class.cast(resource);
try {
final Field field = FileResource.class.getDeclaredField("file");
field.setAccessible(true);
list.add(File.class.cast(field.get(fr)).toURI().toURL());
} catch (final Exception e) {
// no-op
}
} else if (ZipResource.class.isInstance(resource)) {
list.add(loader.getResource(resource.getPath()));
} else {
LOGGER.warning("Resource " + resource + " ignored (unknown type).");
}
}
}
public static Collection findFeatures(final Class javaClass) {
final Collection featureUrls = new ArrayList();
{ // convention
final String featurePath = Features.featurePath(javaClass);
featureUrls.add(featurePath);
}
{ // our API
final cucumber.runtime.arquillian.api.Features additionalFeaturesAnn = javaClass.getAnnotation(cucumber.runtime.arquillian.api.Features.class);
if (additionalFeaturesAnn != null) {
Collections.addAll(featureUrls, additionalFeaturesAnn.value());
}
}
{ // cucumber-junit API
final CucumberOptions annotation = javaClass.getAnnotation(CucumberOptions.class);
if (annotation != null && annotation.features() != null) {
Collections.addAll(featureUrls, annotation.features());
}
}
return featureUrls;
}
private static String createClassNameSubPackage(final String name) {
String result = name;
if (result.endsWith("Test")) {
result = result.substring(0, result.length() - "Test".length());
} else if (result.endsWith("IT")) {
result = result.substring(0, result.length() - "IT".length());
}
if (result.length() == 1) {
return result;
}
return Character.toLowerCase(result.charAt(0)) + replaceUpperCaseWithADashAndLowercase(result.substring(1));
}
private static String replaceUpperCaseWithADashAndLowercase(final String substring) {
final StringBuilder builder = new StringBuilder();
for (final char c : substring.toCharArray()) {
if (!Character.isUpperCase(c)) {
builder.append(c);
} else {
builder.append('-').append(Character.toLowerCase(c));
}
}
final String s = builder.toString();
if (s.endsWith("-")) {
return s.substring(0, s.length() - 1);
}
return s;
}
}
