public String create(java.lang.Void using) {
Logger.performance("Detecting MimeType", FileStream.this);
String type =
detectedProbeContentType.read(
new SoftWriteReader<String, PropAccessor<Creator<String, File>>>() {
@Override
public String soft(PropAccessor<Creator<String, File>> data) {
return data.get().create(internal.get());
}
@Override
public String read(PropAccessor<Creator<String, File>> data) {
ClassLoader cl = ClassLoader.getSystemClassLoader();
try {
final Class<?> pathClass = cl.loadClass("java.nio.file.Path");
final Class<?> pathsClass = cl.loadClass("java.nio.file.Paths");
final Class<?> filesClass = cl.loadClass("java.nio.file.Files");
data.set(
new Creator<String, File>() {
final Method pathsGet = pathsClass.getMethod("get", URI.class);
final Method probeContentType =
filesClass.getMethod("probeContentType", pathClass);
{
create(internal.get()); // Test it once
Logger.debug(
"Detected Java 7 APIs", pathsGet, probeContentType);
}
public String create(File using) {
try {
return (String)
probeContentType.invoke(
null, pathsGet.invoke(null, using.toURI()));
} catch (IllegalAccessException ex) {
return null;
} catch (IllegalArgumentException ex) {
return null;
} catch (InvocationTargetException ex) {
return null;
}
}
});
} catch (Throwable t) {
data.set(
new Creator<String, File>() {
public String create(File using) {
return null;
}
});
Logger.exception(Logger.Level.Gears, t);
}
return data.get().create(internal.get());
}
});
if (type == null) type = FileStream.super.mimeType();
return type;
}
public File create(java.lang.Void using) {
Logger.performance("Reading file information", internalPath);
return new File(internalPath);
}
public FileStream create(String filePath) {
Logger.performance("Opening FileStream", filePath);
return new FileStream(filePath);
}
