sootup.java.bytecode.inputlocation.PathBasedAnalysisInputLocation Maven / Gradle / Ivy
package sootup.java.bytecode.inputlocation;
import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;
import com.google.common.cache.RemovalNotification;
import com.googlecode.dex2jar.tools.Dex2jarCmd;
import java.io.*;
import java.nio.file.*;
import java.util.*;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.jar.Attributes;
import java.util.jar.JarInputStream;
import java.util.jar.Manifest;
import java.util.stream.Collectors;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;
import sootup.core.IdentifierFactory;
import sootup.core.frontend.AbstractClassSource;
import sootup.core.frontend.ClassProvider;
import sootup.core.inputlocation.AnalysisInputLocation;
import sootup.core.inputlocation.FileType;
import sootup.core.model.SourceType;
import sootup.core.types.ClassType;
import sootup.core.util.PathUtils;
import sootup.core.util.StreamUtils;
import sootup.core.views.View;
import sootup.java.bytecode.frontend.AsmJavaClassProvider;
import sootup.java.bytecode.frontend.AsmModuleSource;
import sootup.java.core.JavaModuleIdentifierFactory;
import sootup.java.core.JavaModuleInfo;
import sootup.java.core.JavaSootClass;
import sootup.java.core.ModuleInfoAnalysisInputLocation;
import sootup.java.core.signatures.ModuleSignature;
import sootup.java.core.types.JavaClassType;
import sootup.java.core.types.ModuleJavaClassType;
/*-
* #%L
* Soot
* %%
* Copyright (C) 2018-2020 Manuel Benz, Christian Brüggemann, Markus Schmidt and others
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 2.1 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* .
* #L%
*/
/**
* Base class for {@link PathBasedAnalysisInputLocation}s that can be located by a {@link Path}
* object.
*
* @author Manuel Benz created on 22.05.18
* @author Kaustubh Kelkar updated on 30.07.2020
*/
public class PathBasedAnalysisInputLocation implements AnalysisInputLocation {
protected Path path;
/**
* Variable to track if user has specified the SourceType. By default, it will be set to false.
*/
private SourceType srcType = null;
/**
* Variable to store AnalysisInputLocation, which can be DirectoryBasedAnalysisInputLocation,
* WarArchiveAnalysisInputLocation, MultiReleaseJarAnalysisInputLocation,
* ArchiveBasedAnalysisInputLocation
*/
PathBasedAnalysisInputLocation pathBasedAnalysisInputLocationObj;
public PathBasedAnalysisInputLocation getPathBasedAnalysisInputLocationObj() {
return pathBasedAnalysisInputLocationObj;
}
public PathBasedAnalysisInputLocation(@Nonnull Path path) {
this.path = path;
}
public PathBasedAnalysisInputLocation(@Nonnull Path path, @Nullable SourceType srcType) {
if (Files.isDirectory(path)) {
pathBasedAnalysisInputLocationObj = new DirectoryBasedAnalysisInputLocation(path, srcType);
} else if (PathUtils.isArchive(path)) {
if (PathUtils.hasExtension(path, FileType.WAR)) {
pathBasedAnalysisInputLocationObj = new WarArchiveAnalysisInputLocation(path, srcType);
} else if (isMultiReleaseJar(path)) { // check if mainfest contains multi release flag
pathBasedAnalysisInputLocationObj = new MultiReleaseJarAnalysisInputLocation(path, srcType);
} else if (PathUtils.hasExtension(path, FileType.APK)) {
pathBasedAnalysisInputLocationObj = new ApkAnalysisInputLocation(path, srcType);
} else {
pathBasedAnalysisInputLocationObj = new ArchiveBasedAnalysisInputLocation(path, srcType);
}
} else {
throw new IllegalArgumentException(
"Path '"
+ path.toAbsolutePath()
+ "' has to be pointing to the root of a class container, e.g. directory, jar, zip, apk, war etc.");
}
}
/**
* The method sets the value of the variable srcType.
*
* @param srcType the source type for the path can be Library, Application, Phantom.
*/
public void setSpecifiedAsBuiltInByUser(@Nonnull SourceType srcType) {
this.srcType = srcType;
}
/**
* Create or find a class source for a given type.
*
* @param type The type of the class to be found.
* @param view
* @return The source entry for that class.
*/
@Nonnull
@Override
public Optional> getClassSource(
@Nonnull ClassType type, @Nonnull View view) {
return pathBasedAnalysisInputLocationObj.getClassSource(type, view);
}
/**
* Scan the input location and create ClassSources for every compilation / interpretation unit.
*
* @param view
* @return The source entries.
*/
@Nonnull
@Override
public Collection> getClassSources(
@Nonnull View view) {
return pathBasedAnalysisInputLocationObj.getClassSources(view);
}
@Override
public SourceType getSourceType() {
return srcType;
}
private static boolean isMultiReleaseJar(Path path) {
try {
FileInputStream inputStream = new FileInputStream(path.toFile());
JarInputStream jarStream = new JarInputStream(inputStream);
Manifest mf = jarStream.getManifest();
if (mf == null) {
return false;
}
Attributes attributes = mf.getMainAttributes();
String value = attributes.getValue("Multi-Release");
return Boolean.parseBoolean(value);
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return false;
}
@Nonnull
Collection> walkDirectory(
@Nonnull Path dirPath,
@Nonnull IdentifierFactory factory,
@Nonnull ClassProvider classProvider) {
try {
final FileType handledFileType = classProvider.getHandledFileType();
final String moduleInfoFilename = JavaModuleIdentifierFactory.MODULE_INFO_FILE + ".class";
return Files.walk(dirPath)
.filter(
filePath ->
PathUtils.hasExtension(filePath, handledFileType)
&& !filePath.toString().endsWith(moduleInfoFilename))
.flatMap(
p ->
StreamUtils.optionalToStream(
Optional.of(
classProvider.createClassSource(this, p, factory.fromPath(dirPath, p)))))
.collect(Collectors.toList());
} catch (IOException e) {
throw new IllegalArgumentException(e);
}
}
@Nonnull
protected Optional> getClassSourceInternal(
@Nonnull JavaClassType signature,
@Nonnull Path path,
@Nonnull ClassProvider classProvider) {
Path pathToClass =
path.resolve(
path.getFileSystem()
.getPath(
signature.getFullyQualifiedName().replace('.', '/')
+ "."
+ classProvider.getHandledFileType().getExtension()));
if (!Files.exists(pathToClass)) {
return Optional.empty();
}
return Optional.of(classProvider.createClassSource(this, pathToClass, signature));
}
private static class DirectoryBasedAnalysisInputLocation extends PathBasedAnalysisInputLocation {
private DirectoryBasedAnalysisInputLocation(@Nonnull Path path, @Nullable SourceType srcType) {
super(path);
super.setSpecifiedAsBuiltInByUser(srcType);
}
@Override
@Nonnull
public Collection> getClassSources(
@Nonnull View view) {
return walkDirectory(path, view.getIdentifierFactory(), new AsmJavaClassProvider(view));
}
@Override
@Nonnull
public Optional> getClassSource(
@Nonnull ClassType type, @Nonnull View view) {
return getClassSourceInternal((JavaClassType) type, path, new AsmJavaClassProvider(view));
}
}
public static class MultiReleaseJarAnalysisInputLocation extends ArchiveBasedAnalysisInputLocation
implements ModuleInfoAnalysisInputLocation {
@Nonnull private final int[] availableVersions;
@Nonnull
private final Map> moduleInfoMap =
new HashMap<>();
@Nonnull
private final Map>> inputLocations =
new HashMap<>();
@Nonnull
private final List> baseInputLocations = new ArrayList<>();
boolean isResolved = false;
private MultiReleaseJarAnalysisInputLocation(@Nonnull Path path, @Nullable SourceType srcType) {
super(path, srcType);
int[] tmp;
try {
FileSystem fs = fileSystemCache.get(path);
final Path archiveRoot = fs.getPath("/");
tmp =
Files.list(archiveRoot.getFileSystem().getPath("/META-INF/versions/"))
.map(dir -> dir.getFileName().toString().replace("/", ""))
.mapToInt(Integer::new)
.sorted()
.toArray();
} catch (IOException | ExecutionException e) {
e.printStackTrace();
tmp = new int[] {};
}
availableVersions = tmp;
discoverInputLocations(srcType);
}
/** Discovers all input locations for different java versions in this multi release jar */
private void discoverInputLocations(@Nullable SourceType srcType) {
FileSystem fs = null;
try {
fs = fileSystemCache.get(path);
} catch (ExecutionException e) {
e.printStackTrace();
}
final Path archiveRoot = fs.getPath("/");
final String moduleInfoFilename = JavaModuleIdentifierFactory.MODULE_INFO_FILE + ".class";
baseInputLocations.add(new PathBasedAnalysisInputLocation(archiveRoot, srcType));
String sep = archiveRoot.getFileSystem().getSeparator();
if (!isResolved) {
for (int i = availableVersions.length - 1; i >= 0; i--) {
inputLocations.put(availableVersions[i], new ArrayList<>());
final Path versionRoot =
archiveRoot
.getFileSystem()
.getPath("/META-INF/versions/" + availableVersions[i] + sep);
// only versions >= 9 support java modules
if (availableVersions[i] > 8) {
moduleInfoMap.put(availableVersions[i], new HashMap<>());
try (DirectoryStream stream = Files.newDirectoryStream(versionRoot)) {
for (Path entry : stream) {
Path mi = path.resolve(moduleInfoFilename);
if (Files.exists(mi)) {
JavaModuleInfo moduleInfo = new AsmModuleSource(mi);
ModuleSignature moduleSignature = moduleInfo.getModuleSignature();
JavaModulePathAnalysisInputLocation inputLocation =
new JavaModulePathAnalysisInputLocation(
versionRoot.toString(), versionRoot.getFileSystem());
inputLocations.get(availableVersions[i]).add(inputLocation);
moduleInfoMap.get(availableVersions[i]).put(moduleSignature, moduleInfo);
}
if (Files.isDirectory(entry)) {
mi = versionRoot.resolve(moduleInfoFilename);
if (Files.exists(mi)) {
JavaModuleInfo moduleInfo = new AsmModuleSource(mi);
ModuleSignature moduleSignature = moduleInfo.getModuleSignature();
JavaModulePathAnalysisInputLocation inputLocation =
new JavaModulePathAnalysisInputLocation(
versionRoot.toString(), versionRoot.getFileSystem());
inputLocations.get(availableVersions[i]).add(inputLocation);
moduleInfoMap.get(availableVersions[i]).put(moduleSignature, moduleInfo);
}
// else TODO [bh] can we have automatic modules here?
}
}
} catch (IOException e) {
e.printStackTrace();
}
}
// if there was no module or the version is not > 8, we just add a directory based input
// location
if (inputLocations.get(availableVersions[i]).size() == 0) {
inputLocations
.get(availableVersions[i])
.add(new PathBasedAnalysisInputLocation(versionRoot, srcType));
}
}
}
isResolved = true;
}
@Override
@Nonnull
public Optional> getClassSource(
@Nonnull ClassType type, @Nonnull View view) {
Collection> il =
getBestMatchingInputLocationsRaw(view.getProject().getLanguage().getVersion());
Collection> baseIl = getBaseInputLocations();
if (type instanceof ModuleJavaClassType) {
il =
il.stream()
.filter(location -> location instanceof ModuleInfoAnalysisInputLocation)
.collect(Collectors.toList());
baseIl =
baseIl.stream()
.filter(location -> location instanceof ModuleInfoAnalysisInputLocation)
.collect(Collectors.toList());
} else {
il =
il.stream()
.filter(location -> !(location instanceof ModuleInfoAnalysisInputLocation))
.collect(Collectors.toList());
baseIl =
baseIl.stream()
.filter(location -> !(location instanceof ModuleInfoAnalysisInputLocation))
.collect(Collectors.toList());
}
Optional> foundClass =
il.stream()
.map(location -> location.getClassSource(type, view))
.filter(Optional::isPresent)
.limit(1)
.map(Optional::get)
.findAny();
if (foundClass.isPresent()) {
return foundClass;
} else {
return baseIl.stream()
.map(location -> location.getClassSource(type, view))
.filter(Optional::isPresent)
.limit(1)
.map(Optional::get)
.findAny();
}
}
@Nonnull
@Override
public Collection> getModulesClassSources(
@Nonnull ModuleSignature moduleSignature, @Nonnull View view) {
return inputLocations.get(view.getProject().getLanguage().getVersion()).stream()
.filter(location -> location instanceof ModuleInfoAnalysisInputLocation)
.map(
location ->
((ModuleInfoAnalysisInputLocation) location)
.getModulesClassSources(moduleSignature, view))
.flatMap(Collection::stream)
.collect(Collectors.toList());
}
/**
* Returns the best matching input locations or the base input location.
*
* @param javaVersion version to find best match to
* @return best match or base input locations
*/
private Collection> getBestMatchingInputLocationsRaw(
int javaVersion) {
for (int i = availableVersions.length - 1; i >= 0; i--) {
if (availableVersions[i] > javaVersion) continue;
return new ArrayList<>(inputLocations.get(availableVersions[i]));
}
return getBaseInputLocations();
}
private Collection> getBaseInputLocations() {
return baseInputLocations;
}
@Override
@Nonnull
public Collection> getClassSources(
@Nonnull View view) {
Collection> il =
getBestMatchingInputLocationsRaw(view.getProject().getLanguage().getVersion());
Collection> result =
il.stream()
.map(location -> location.getClassSources(view))
.flatMap(Collection::stream)
.collect(Collectors.toList());
if (il != getBaseInputLocations()) {
Collection> baseSources =
getBaseInputLocations().stream()
.map(location -> location.getClassSources(view))
.flatMap(Collection::stream)
.collect(Collectors.toList());
baseSources.forEach(
cs -> {
// do not add duplicate class sources
if (result.stream()
.noneMatch(
bestMatchCS ->
bestMatchCS
.getClassType()
.getFullyQualifiedName()
.equals(cs.getClassType().getFullyQualifiedName()))) {
result.add(cs);
}
});
}
return result;
}
@Nonnull
@Override
public Optional getModuleInfo(ModuleSignature sig, View view) {
return Optional.ofNullable(
moduleInfoMap.get(view.getProject().getLanguage().getVersion()).get(sig));
}
@Nonnull
@Override
public Set getModules(View view) {
return inputLocations.get(view.getProject().getLanguage().getVersion()).stream()
.filter(e -> e instanceof ModuleInfoAnalysisInputLocation)
.map(e -> ((ModuleInfoAnalysisInputLocation) e).getModules(view))
.flatMap(Set::stream)
.collect(Collectors.toSet());
}
@Override
public boolean equals(Object o) {
if (!(o instanceof PathBasedAnalysisInputLocation)) {
return false;
}
return path.equals(((PathBasedAnalysisInputLocation) o).path);
}
@Override
public int hashCode() {
return path.hashCode();
}
}
private static class ApkAnalysisInputLocation extends ArchiveBasedAnalysisInputLocation {
private ApkAnalysisInputLocation(@Nonnull Path path, @Nullable SourceType srcType) {
super(path, srcType);
String jarPath = dex2jar(path);
this.path = Paths.get(jarPath);
}
private String dex2jar(Path path) {
String apkPath = path.toAbsolutePath().toString();
String outDir = "./tmp/";
int start = apkPath.lastIndexOf(File.separator);
int end = apkPath.lastIndexOf(".apk");
String outputFile = outDir + apkPath.substring(start + 1, end) + ".jar";
new Dex2jarCmd().doMain("-f", apkPath, "-o", outputFile);
return outputFile;
}
}
private static class ArchiveBasedAnalysisInputLocation extends PathBasedAnalysisInputLocation {
// We cache the FileSystem instances as their creation is expensive.
// The Guava Cache is thread-safe (see JavaDoc of LoadingCache) hence this
// cache can be safely shared in a static variable.
protected static final LoadingCache fileSystemCache =
CacheBuilder.newBuilder()
.removalListener(
(RemovalNotification removalNotification) -> {
try {
removalNotification.getValue().close();
} catch (IOException e) {
throw new RuntimeException(
"Could not close file system of " + removalNotification.getKey(), e);
}
})
.expireAfterAccess(1, TimeUnit.SECONDS)
.build(
CacheLoader.from(
path -> {
try {
return FileSystems.newFileSystem(
Objects.requireNonNull(path), (ClassLoader) null);
} catch (IOException e) {
throw new RuntimeException("Could not open file system of " + path, e);
}
}));
private ArchiveBasedAnalysisInputLocation(@Nonnull Path path, @Nullable SourceType srcType) {
super(path);
super.setSpecifiedAsBuiltInByUser(srcType);
}
@Override
@Nonnull
public Optional> getClassSource(
@Nonnull ClassType type, @Nonnull View view) {
try {
FileSystem fs = fileSystemCache.get(path);
final Path archiveRoot = fs.getPath("/");
return getClassSourceInternal(
(JavaClassType) type, archiveRoot, new AsmJavaClassProvider(view));
} catch (ExecutionException e) {
throw new RuntimeException("Failed to retrieve file system from cache for " + path, e);
}
}
@Override
@Nonnull
public Collection> getClassSources(
@Nonnull View view) {
// we don't use the filesystem cache here as it could close the filesystem after the timeout
// while we are still iterating
try (FileSystem fs = FileSystems.newFileSystem(path, (ClassLoader) null)) {
final Path archiveRoot = fs.getPath("/");
return walkDirectory(
archiveRoot, view.getProject().getIdentifierFactory(), new AsmJavaClassProvider(view));
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}
private static final class WarArchiveAnalysisInputLocation
extends DirectoryBasedAnalysisInputLocation {
public List> containedInputLocations = new ArrayList<>();
public static int maxAllowedBytesToExtract =
1024 * 1024 * 500; // limit of extracted file size to protect against archive bombs
private WarArchiveAnalysisInputLocation(@Nonnull Path warPath, @Nullable SourceType srcType) {
super(
Paths.get(
System.getProperty("java.io.tmpdir")
+ File.separator
+ "sootOutput"
+ "-war"
+ warPath.hashCode()
+ "/"),
srcType);
extractWarFile(warPath, path);
Path webInfPath = path.resolve("WEB-INF");
// directorystructre as specified in SRV.9.5 of
// https://download.oracle.com/otn-pub/jcp/servlet-2.4-fr-spec-oth-JSpec/servlet-2_4-fr-spec.pdf?AuthParam=1625059899_16c705c72f7db7f85a8a7926558701fe
Path classDir = webInfPath.resolve("classes");
if (Files.exists(classDir)) {
containedInputLocations.add(new DirectoryBasedAnalysisInputLocation(classDir, srcType));
}
Path libDir = webInfPath.resolve("lib");
if (Files.exists(libDir)) {
try {
Files.walk(libDir)
.filter(f -> PathUtils.hasExtension(f, FileType.JAR))
.forEach(
f ->
containedInputLocations.add(
new ArchiveBasedAnalysisInputLocation(f, srcType)));
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}
@Override
@Nonnull
public Collection> getClassSources(
@Nonnull View view) {
Set> foundClasses = new HashSet<>();
for (AnalysisInputLocation inputLoc : containedInputLocations) {
foundClasses.addAll(inputLoc.getClassSources(view));
}
return foundClasses;
}
@Override
@Nonnull
public Optional> getClassSource(
@Nonnull ClassType type, @Nonnull View view) {
for (AnalysisInputLocation inputLocation : containedInputLocations) {
final Optional> classSource =
inputLocation.getClassSource(type, view);
if (classSource.isPresent()) {
return classSource;
}
}
return Optional.empty();
}
/**
* Extracts the war file at the temporary location to analyze underlying class and jar files
*
* [ms] hint: extracting is necessary to access nested (zip)filesystems with java8/java9
* runtime - nested (zip)filesystems would work with java11 runtime (maybe java10)
*
* @param warFilePath The path to war file to be extracted
*/
protected void extractWarFile(Path warFilePath, final Path destDirectory) {
int extractedSize = 0;
try {
File dest = destDirectory.toFile();
if (!dest.exists()) {
if (!dest.mkdir()) {
throw new RuntimeException(
"Could not create the directory to extract Warfile: " + destDirectory);
}
dest.deleteOnExit();
}
ZipInputStream zis = new ZipInputStream(new FileInputStream(warFilePath.toString()));
ZipEntry zipEntry;
while ((zipEntry = zis.getNextEntry()) != null) {
Path filepath = destDirectory.resolve(zipEntry.getName());
final File file = filepath.toFile();
file.deleteOnExit();
if (zipEntry.isDirectory()) {
file.mkdir();
} else {
byte[] incomingValues = new byte[4096];
int readBytesZip;
if (file.exists()) {
// compare contents -> does it contain the extracted war already?
int readBytesExistingFile;
final BufferedInputStream bis = new BufferedInputStream(new FileInputStream(file));
byte[] bisBuf = new byte[4096];
while ((readBytesZip = zis.read(incomingValues)) != -1) {
if (extractedSize > maxAllowedBytesToExtract) {
throw new RuntimeException(
"The extracted warfile exceeds the size of "
+ maxAllowedBytesToExtract
+ " byte. Either the file is a big archive (-> increase PathBasedAnalysisInputLocation.WarArchiveInputLocation.maxAllowedBytesToExtract) or maybe it contains an archive bomb.");
}
readBytesExistingFile = bis.read(bisBuf, 0, readBytesZip);
if (readBytesExistingFile != readBytesZip) {
throw new RuntimeException(
"Can't extract File \""
+ file
+ "\" as it already exists and has a different size.");
} else if (!Arrays.equals(bisBuf, incomingValues)) {
throw new RuntimeException(
"Can't extract File \""
+ file
+ "\" as it already exists and has a different content which we can't override.");
}
extractedSize += readBytesZip;
}
} else {
BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(file));
while ((readBytesZip = zis.read(incomingValues)) != -1) {
if (extractedSize > maxAllowedBytesToExtract) {
throw new RuntimeException(
"The extracted warfile exceeds the size of "
+ maxAllowedBytesToExtract
+ " byte. Either the file is a big archive or maybe it contains an archive bomb.");
}
bos.write(incomingValues, 0, readBytesZip);
extractedSize += readBytesZip;
}
bos.close();
}
}
zis.closeEntry();
}
} catch (IOException e) {
throw new RuntimeException(e);
}
}
/**
* Parses the web.xml file to search for the servlet-class classes in the extracted directory
* after the war file is extracted
*
*
[ms] helps to set entrypoints for analyses automatically (later)
*
* @param extractedWARPath The path where the war file is extracted Adds the classes associated
* to servlet-class in a {@link ArrayList} of {@link String}
*/
@Nonnull
public List retrieveServletClasses(String extractedWARPath) {
List classesInXML = new ArrayList<>();
try {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder builder = factory.newDocumentBuilder();
Document document = builder.parse(new File(extractedWARPath + "/WEB-INF/web.xml"));
document.getDocumentElement().normalize();
NodeList nList = document.getElementsByTagName("servlet");
for (int temp = 0; temp < nList.getLength(); temp++) {
Node node = nList.item(temp);
if (node.getNodeType() == Node.ELEMENT_NODE) {
Element eElement = (Element) node;
classesInXML.add(
eElement.getElementsByTagName("servlet-class").item(0).getTextContent());
}
}
} catch (ParserConfigurationException | SAXException | IOException e) {
throw new RuntimeException(e);
}
return classesInXML;
}
}
}