/** Converts a String into a byte array. */
protected static byte[] byteArrayFromString(String s) throws TextParseException {
byte[] array = s.getBytes();
boolean escaped = false;
boolean hasEscapes = false;
for (int i = 0; i < array.length; i++) {
if (array[i] == '\\') {
hasEscapes = true;
break;
}
}
if (!hasEscapes) {
if (array.length > 255) {
throw new TextParseException("text string too long");
}
return array;
}
ByteArrayOutputStream os = new ByteArrayOutputStream();
int digits = 0;
int intval = 0;
for (int i = 0; i < array.length; i++) {
byte b = array[i];
if (escaped) {
if (b >= '0' && b <= '9' && digits < 3) {
digits++;
intval *= 10;
intval += (b - '0');
if (intval > 255) throw new TextParseException("bad escape");
if (digits < 3) continue;
b = (byte) intval;
} else if (digits > 0 && digits < 3) throw new TextParseException("bad escape");
os.write(b);
escaped = false;
} else if (array[i] == '\\') {
escaped = true;
digits = 0;
intval = 0;
} else os.write(array[i]);
}
if (digits > 0 && digits < 3) throw new TextParseException("bad escape");
array = os.toByteArray();
if (array.length > 255) {
throw new TextParseException("text string too long");
}
return os.toByteArray();
}
public static byte[] parse(String s) {
if (s.equals("(null)")) {
return null;
}
try {
int n = s.length();
ByteArrayOutputStream out = new ByteArrayOutputStream(n / 3);
StringReader r = new StringReader(s);
while (true) {
int b1 = nextNibble(r);
if (b1 < 0) {
break;
}
int b2 = nextNibble(r);
if (b2 < 0) {
throw new RuntimeException("Invalid string " + s);
}
int b = (b1 << 4) | b2;
out.write(b);
}
return out.toByteArray();
} catch (IOException e) {
throw new RuntimeException(e);
}
}
private Class<?> getClassFromStream(
final InputStream stream, final String classname, final File container)
throws IOException, SecurityException {
final ByteArrayOutputStream baos = new ByteArrayOutputStream();
int bytesRead = -1;
final byte[] buffer = new byte[8192];
while ((bytesRead = stream.read(buffer, 0, 8192)) != -1) {
baos.write(buffer, 0, bytesRead);
}
final byte[] classData = baos.toByteArray();
return this.defineClassFromData(container, classData, classname);
}
public byte[] getBytes(String className) {
try {
Tracer.mark();
String realName = className.replace(".", "/");
realName += ".class";
JarEntry je = jf.getJarEntry(realName);
InputStream is = jf.getInputStream(je);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
byte[] buff = new byte[4096];
while (is.available() > 0) {
int read = is.read(buff);
baos.write(buff, 0, read);
}
is.close();
return baos.toByteArray();
} catch (Exception e) {
} finally {
Tracer.unmark();
}
return null;
}