public InputStream openSource(SourceLineAnnotation source) throws IOException {
SourceFile sourceFile = findSourceFile(source);
return sourceFile.getInputStream();
}
/**
* Open an input stream on a source file in given package.
*
* @param packageName the name of the package containing the class whose source file is given
* @param fileName the unqualified name of the source file
* @return an InputStream on the source file
* @throws IOException if a matching source file cannot be found
*/
public InputStream openSource(String packageName, String fileName) throws IOException {
SourceFile sourceFile = findSourceFile(packageName, fileName);
return sourceFile.getInputStream();
}