InitManifestpublic class InitManifest extends Object
| Fields Summary |
|---|
| private final byte[] | inbuf | | private int | inbufCount | | private int | inbufPos | | private byte[] | buffer | | private char[] | charbuf | | private final ByteArrayOutputStream | out | | private String | encoding | | private boolean | usingUTF8 | | private final Map | attributeNames | | private final byte[] | mainAttributesChunk |
| Constructors Summary |
|---|
InitManifest(InputStream is, Attributes main, Map entries, Map chunks, String verString)
encoding = AccessController.doPrivileged(new PriviAction<String>(
"manifest.read.encoding")); //$NON-NLS-1$
if ("".equals(encoding)) { //$NON-NLS-1$
encoding = null;
}
Attributes current = main;
ArrayList<String> list = new ArrayList<String>();
// Return the chunk of main attributes in the manifest.
mainAttributesChunk = nextChunk(is, list);
Iterator<String> it = list.iterator();
while (it.hasNext()) {
addAttribute(it.next(), current);
}
// Check for version attribute
if (verString != null && main.getValue(verString) == null) {
throw new IOException(Messages.getString("archive.2D", verString)); //$NON-NLS-1$
}
list.clear();
byte[] chunk = null;
while (chunks == null ? readLines(is, list) : (chunk = nextChunk(is,
list)) != null) {
it = list.iterator();
String line = it.next();
if (line.length() < 7
|| !Util.toASCIILowerCase(line.substring(0, 5)).equals("name:")) { //$NON-NLS-1$
throw new IOException(Messages.getString("archive.23")); //$NON-NLS-1$
}
// Name: length required space char
String name = line.substring(6, line.length());
current = new Attributes(12);
if (chunks != null) {
chunks.put(name, chunk);
}
entries.put(name, current);
while (it.hasNext()) {
addAttribute(it.next(), current);
}
list.clear();
}
|
| Methods Summary |
|---|
| private void | addAttribute(java.lang.String line, java.util.jar.Attributes current)
String header;
int hdrIdx = line.indexOf(':");
if (hdrIdx < 1) {
throw new IOException(Messages.getString("archive.2F", line)); //$NON-NLS-1$
}
header = line.substring(0, hdrIdx);
Attributes.Name name = attributeNames.get(header);
if (name == null) {
try {
name = new Attributes.Name(header);
} catch (IllegalArgumentException e) {
throw new IOException(e.toString());
}
attributeNames.put(header, name);
}
if (hdrIdx + 1 >= line.length() || line.charAt(hdrIdx + 1) != ' ") {
throw new IOException(Messages.getString("archive.2F", line)); //$NON-NLS-1$
}
// +2 due to required SPACE char
current.put(name, line.substring(hdrIdx + 2, line.length()));
| | private void | addLine(int length, java.util.List lines)
if (encoding != null) {
lines.add(new String(buffer, 0, length, encoding));
} else {
if (usingUTF8) {
try {
if (charbuf.length < length) {
charbuf = new char[length];
}
lines.add(Util.convertUTF8WithBuf(buffer, charbuf, 0,
length));
} catch (UTFDataFormatException e) {
usingUTF8 = false;
}
}
if (!usingUTF8) {
if (charbuf.length < length) {
charbuf = new char[length];
}
// If invalid UTF8, convert bytes to chars setting the upper
// bytes to zeros
int charOffset = 0;
int offset = 0;
for (int i = length; --i >= 0;) {
charbuf[charOffset++] = (char) (buffer[offset++] & 0xff);
}
lines.add(new String(charbuf, 0, length));
}
}
| | byte[] | getMainAttributesChunk()
return mainAttributesChunk;
| | private byte[] | nextChunk(java.io.InputStream in, java.util.List lines)
if (inbufCount == -1) {
return null;
}
byte next;
int pos = 0;
boolean blankline = false, lastCr = false;
out.reset();
while (true) {
if (inbufPos == inbufCount) {
if ((inbufCount = in.read(inbuf)) == -1) {
if (out.size() == 0) {
return null;
}
if (blankline) {
addLine(pos, lines);
}
return out.toByteArray();
}
if (inbufCount == inbuf.length && in.available() == 0) {
/* archive.2E = "line too long" */
throw new IOException(Messages.getString("archive.2E")); //$NON-NLS-1$
}
inbufPos = 0;
}
next = inbuf[inbufPos++];
if (lastCr) {
if (next != '\n") {
inbufPos--;
next = '\r";
} else {
if (out.size() == 0) {
continue;
}
out.write('\r");
}
lastCr = false;
} else if (next == '\r") {
lastCr = true;
continue;
}
if (blankline) {
if (next == ' ") {
out.write(next);
blankline = false;
continue;
}
addLine(pos, lines);
if (next == '\n") {
out.write(next);
return out.toByteArray();
}
pos = 0;
} else if (next == '\n") {
if (out.size() == 0) {
continue;
}
out.write(next);
blankline = true;
continue;
}
blankline = false;
out.write(next);
if (pos == buffer.length) {
byte[] newBuf = new byte[buffer.length * 2];
System.arraycopy(buffer, 0, newBuf, 0, buffer.length);
buffer = newBuf;
}
buffer[pos++] = next;
}
| | private boolean | readLines(java.io.InputStream in, java.util.List lines)
if (inbufCount == -1) {
return false;
}
byte next;
int pos = 0;
boolean blankline = false, lastCr = false;
while (true) {
if (inbufPos == inbufCount) {
if ((inbufCount = in.read(inbuf)) == -1) {
if (blankline) {
addLine(pos, lines);
}
return lines.size() != 0;
}
if (inbufCount == inbuf.length && in.available() == 0) {
/* archive.2E = "line too long" */
throw new IOException(Messages.getString("archive.2E")); //$NON-NLS-1$
}
inbufPos = 0;
}
next = inbuf[inbufPos++];
if (lastCr) {
if (next != '\n") {
inbufPos--;
next = '\r";
}
lastCr = false;
} else if (next == '\r") {
lastCr = true;
continue;
}
if (blankline) {
if (next == ' ") {
blankline = false;
continue;
}
addLine(pos, lines);
if (next == '\n") {
return true;
}
pos = 0;
} else if (next == '\n") {
if (pos == 0 && lines.size() == 0) {
continue;
}
blankline = true;
continue;
}
blankline = false;
if (pos == buffer.length) {
byte[] newBuf = new byte[buffer.length * 2];
System.arraycopy(buffer, 0, newBuf, 0, buffer.length);
buffer = newBuf;
}
buffer[pos++] = next;
}
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