/**
* Constructs a fully specified <code>DataFlavor</code>.
*
* @exception NullPointerException if either <code>primaryType</code>, <code>subType</code> or
* <code>representationClass</code> is null
*/
private DataFlavor(
String primaryType,
String subType,
MimeTypeParameterList params,
Class representationClass,
String humanPresentableName) {
super();
if (primaryType == null) {
throw new NullPointerException("primaryType");
}
if (subType == null) {
throw new NullPointerException("subType");
}
if (representationClass == null) {
throw new NullPointerException("representationClass");
}
if (params == null) params = new MimeTypeParameterList();
params.set("class", representationClass.getName());
if (humanPresentableName == null) {
humanPresentableName = (String) params.get("humanPresentableName");
if (humanPresentableName == null) humanPresentableName = primaryType + "/" + subType;
}
try {
mimeType = new MimeType(primaryType, subType, params);
} catch (MimeTypeParseException mtpe) {
throw new IllegalArgumentException("MimeType Parse Exception: " + mtpe.getMessage());
}
this.representationClass = representationClass;
this.humanPresentableName = humanPresentableName;
mimeType.removeParameter("humanPresentableName");
}
/**
* Copied code from java.util.Properties. Parsing the data ourselves is the only way to handle
* duplicate keys and values.
*/
private void parseAndStoreReader(BufferedReader in) throws IOException {
while (true) {
// Get next line
String line = in.readLine();
if (line == null) {
return;
}
if (line.length() > 0) {
// Continue lines that end in slashes if they are not comments
char firstChar = line.charAt(0);
if (firstChar != '#' && firstChar != '!') {
while (continueLine(line)) {
String nextLine = in.readLine();
if (nextLine == null) {
nextLine = new String("");
}
String loppedLine = line.substring(0, line.length() - 1);
// Advance beyond whitespace on new line
int startIndex = 0;
for (; startIndex < nextLine.length(); startIndex++) {
if (whiteSpaceChars.indexOf(nextLine.charAt(startIndex)) == -1) {
break;
}
}
nextLine = nextLine.substring(startIndex, nextLine.length());
line = new String(loppedLine + nextLine);
}
// Find start of key
int len = line.length();
int keyStart = 0;
for (; keyStart < len; keyStart++) {
if (whiteSpaceChars.indexOf(line.charAt(keyStart)) == -1) {
break;
}
}
// Blank lines are ignored
if (keyStart == len) {
continue;
}
// Find separation between key and value
int separatorIndex = keyStart;
for (; separatorIndex < len; separatorIndex++) {
char currentChar = line.charAt(separatorIndex);
if (currentChar == '\\') {
separatorIndex++;
} else if (keyValueSeparators.indexOf(currentChar) != -1) {
break;
}
}
// Skip over whitespace after key if any
int valueIndex = separatorIndex;
for (; valueIndex < len; valueIndex++) {
if (whiteSpaceChars.indexOf(line.charAt(valueIndex)) == -1) {
break;
}
}
// Skip over one non whitespace key value separators if any
if (valueIndex < len) {
if (strictKeyValueSeparators.indexOf(line.charAt(valueIndex)) != -1) {
valueIndex++;
}
}
// Skip over white space after other separators if any
while (valueIndex < len) {
if (whiteSpaceChars.indexOf(line.charAt(valueIndex)) == -1) {
break;
}
valueIndex++;
}
String key = line.substring(keyStart, separatorIndex);
String value = (separatorIndex < len) ? line.substring(valueIndex, len) : "";
// Convert then store key and value
key = loadConvert(key);
value = loadConvert(value);
try {
MimeType mime = new MimeType(value);
if ("text".equals(mime.getPrimaryType())) {
String charset = mime.getParameter("charset");
if (DataTransferer.doesSubtypeSupportCharset(mime.getSubType(), charset)) {
// We need to store the charset and eoln
// parameters, if any, so that the
// DataTransferer will have this information
// for conversion into the native format.
DataTransferer transferer = DataTransferer.getInstance();
if (transferer != null) {
transferer.registerTextFlavorProperties(
key, charset, mime.getParameter("eoln"), mime.getParameter("terminators"));
}
}
// But don't store any of these parameters in the
// DataFlavor itself for any text natives (even
// non-charset ones). The SystemFlavorMap will
// synthesize the appropriate mappings later.
mime.removeParameter("charset");
mime.removeParameter("class");
mime.removeParameter("eoln");
mime.removeParameter("terminators");
value = mime.toString();
}
} catch (MimeTypeParseException e) {
e.printStackTrace();
continue;
}
DataFlavor flavor;
try {
flavor = new DataFlavor(value);
} catch (Exception e) {
try {
flavor = new DataFlavor(value, (String) null);
} catch (Exception ee) {
ee.printStackTrace();
continue;
}
}
// For text/* flavors, store mappings in separate maps to
// enable dynamic mapping generation at a run-time.
if ("text".equals(flavor.getPrimaryType())) {
store(value, key, getFlavorToNative());
store(key, value, getNativeToFlavor());
} else {
store(flavor, key, getFlavorToNative());
store(key, flavor, getNativeToFlavor());
}
}
}
}
}
