protected boolean tryLoadingLibraryOrScript(Ruby runtime, SearchState state) {
// attempt to load the found library
RubyString loadNameRubyString = RubyString.newString(runtime, state.loadName);
try {
synchronized (loadedFeaturesInternal) {
if (loadedFeaturesInternal.contains(loadNameRubyString)) {
return false;
} else {
addLoadedFeature(loadNameRubyString);
}
}
// otherwise load the library we've found
state.library.load(runtime, false);
return true;
} catch (MainExitException mee) {
// allow MainExitException to propagate out for exec and friends
throw mee;
} catch (Throwable e) {
if (isJarfileLibrary(state, state.searchFile)) {
return true;
}
removeLoadedFeature(loadNameRubyString);
reraiseRaiseExceptions(e);
if (runtime.getDebug().isTrue()) e.printStackTrace(runtime.getErr());
RaiseException re = runtime.newLoadError("IO error -- " + state.searchFile);
re.initCause(e);
throw re;
}
}
public boolean require(String file) {
if (!runtime.getProfile().allowRequire(file)) {
throw runtime.newLoadError("No such file to load -- " + file);
}
long startTime = loadTimer.startLoad(file);
try {
return smartLoad(file);
} finally {
loadTimer.endLoad(file, startTime);
}
}
protected Library createLibrary(SearchState state, LoadServiceResource resource) {
if (resource == null) {
return null;
}
String file = state.loadName;
if (file.endsWith(".so")) {
throw runtime.newLoadError("JRuby does not support .so libraries from filesystem");
} else if (file.endsWith(".jar")) {
return new JarredScript(resource);
} else if (file.endsWith(".class")) {
return new JavaCompiledScript(resource);
} else {
return new ExternalScript(resource, file);
}
}
public void load(String file, boolean wrap) {
if (!runtime.getProfile().allowLoad(file)) {
throw runtime.newLoadError("No such file to load -- " + file);
}
SearchState state = new SearchState(file);
state.prepareLoadSearch(file);
Library library = findBuiltinLibrary(state, state.searchFile, state.suffixType);
if (library == null) library = findLibraryWithoutCWD(state, state.searchFile, state.suffixType);
if (library == null) {
library = findLibraryWithClassloaders(state, state.searchFile, state.suffixType);
if (library == null) {
throw runtime.newLoadError("No such file to load -- " + file);
}
}
try {
library.load(runtime, wrap);
} catch (IOException e) {
if (runtime.getDebug().isTrue()) e.printStackTrace(runtime.getErr());
throw newLoadErrorFromThrowable(runtime, file, e);
}
}
public static IRScope loadScriptFromFile(
Ruby runtime,
InputStream inStream,
File resourcePath,
String resourceName,
boolean isAbsolute) {
String name = getFilenameFromPathAndName(resourcePath, resourceName, isAbsolute);
try {
Class clazz = loadCompiledScriptFromClass(runtime, inStream);
try {
Method method = clazz.getMethod("loadIR", Ruby.class, String.class);
return (IRScope) method.invoke(null, runtime, name);
} catch (Exception e) {
if (runtime.getDebug().isTrue()) {
e.printStackTrace();
}
throw runtime.newLoadError(
name + " is not compiled Ruby; use java_import to load normal classes");
}
} catch (IOException e) {
throw runtime.newIOErrorFromException(e);
} catch (LinkageError le) {
if (runtime.getDebug().isTrue()) {
le.printStackTrace();
}
throw runtime.newLoadError(
"Linkage error loading compiled script; you may need to recompile '" + name + "': " + le);
} finally {
try {
inStream.close();
} catch (IOException ioe) {
throw runtime.newIOErrorFromException(ioe);
}
}
}
/**
* Load the org.jruby.runtime.load.Library implementation specified by className. The purpose of
* using this method is to avoid having static references to the given library class, thereby
* avoiding the additional classloading when the library is not in use.
*
* @param runtime The runtime in which to load
* @param libraryName The name of the library, to use for error messages
* @param className The class of the library
* @param classLoader The classloader to use to load it
* @param wrap Whether to wrap top-level in an anonymous module
*/
public static void reflectedLoad(
Ruby runtime, String libraryName, String className, ClassLoader classLoader, boolean wrap) {
try {
if (classLoader == null && Ruby.isSecurityRestricted()) {
classLoader = runtime.getInstanceConfig().getLoader();
}
Library library = (Library) classLoader.loadClass(className).newInstance();
library.load(runtime, false);
} catch (RaiseException re) {
throw re;
} catch (Throwable e) {
if (runtime.getDebug().isTrue()) e.printStackTrace();
throw runtime.newLoadError("library `" + libraryName + "' could not be loaded: " + e);
}
}
protected LoadServiceResource tryResourceFromLoadPathOrURL(
SearchState state, String baseName, SuffixType suffixType) {
LoadServiceResource foundResource = null;
// if it's a ./ baseName, use CWD logic
if (baseName.startsWith("./")) {
foundResource = tryResourceFromCWD(state, baseName, suffixType);
if (foundResource != null) {
state.loadName = resolveLoadName(foundResource, foundResource.getName());
return foundResource;
}
}
// if it's a ~/ baseName use HOME logic
if (baseName.startsWith("~/")) {
foundResource = tryResourceFromHome(state, baseName, suffixType);
if (foundResource != null) {
state.loadName = resolveLoadName(foundResource, foundResource.getName());
return foundResource;
}
}
// if given path is absolute, just try it as-is (with extensions) and no load path
if (new File(baseName).isAbsolute() || baseName.startsWith("../")) {
for (String suffix : suffixType.getSuffixes()) {
String namePlusSuffix = baseName + suffix;
foundResource = tryResourceAsIs(namePlusSuffix);
if (foundResource != null) {
state.loadName = resolveLoadName(foundResource, namePlusSuffix);
return foundResource;
}
}
return null;
}
Outer:
for (int i = 0; i < loadPath.size(); i++) {
// TODO this is really inefficient, and potentially a problem everytime anyone require's
// something.
// we should try to make LoadPath a special array object.
RubyString entryString = loadPath.eltInternal(i).convertToString();
String loadPathEntry = entryString.asJavaString();
if (loadPathEntry.equals(".") || loadPathEntry.equals("")) {
foundResource = tryResourceFromCWD(state, baseName, suffixType);
if (foundResource != null) {
String ss = foundResource.getName();
if (ss.startsWith("./")) {
ss = ss.substring(2);
}
state.loadName = resolveLoadName(foundResource, ss);
break Outer;
}
} else {
boolean looksLikeJarURL = loadPathLooksLikeJarURL(loadPathEntry);
for (String suffix : suffixType.getSuffixes()) {
String namePlusSuffix = baseName + suffix;
if (looksLikeJarURL) {
foundResource = tryResourceFromJarURLWithLoadPath(namePlusSuffix, loadPathEntry);
} else if (namePlusSuffix.startsWith("./")) {
throw runtime.newLoadError("");
} else {
foundResource = tryResourceFromLoadPath(namePlusSuffix, loadPathEntry);
}
if (foundResource != null) {
String ss = namePlusSuffix;
if (ss.startsWith("./")) {
ss = ss.substring(2);
}
state.loadName = resolveLoadName(foundResource, ss);
break Outer; // end suffix iteration
}
}
}
}
return foundResource;
}
protected void checkEmptyLoad(String file) throws RaiseException {
if (file.equals("")) {
throw runtime.newLoadError("No such file to load -- " + file);
}
}
private static RaiseException newLoadErrorFromThrowable(Ruby runtime, String file, Throwable t) {
return runtime.newLoadError(
String.format("load error: %s -- %s: %s", file, t.getClass().getName(), t.getMessage()));
}
public boolean require(String file) {
if (!runtime.getProfile().allowRequire(file)) {
throw runtime.newLoadError("No such file to load -- " + file);
}
return smartLoad(file);
}