279 // Heuristic: 8 characters per field
280 StringBuilder buffer = new StringBuilder(parameters.size() * 16);
281
282 Enumeration<String> keys = parameters.keys();
283 while(keys.hasMoreElements())
284 {
285 buffer.append("; ");
286
287 String key = keys.nextElement();
288 buffer.append(key);
289 buffer.append('=');
290 buffer.append(quote(parameters.get(key)));
291 }
292
293 return buffer.toString();
294 }
295
296 /**
297 * @return a clone of this object
298 */
299
300 public Object clone() {
301 MimeTypeParameterList newObj = null;
302 try {
303 newObj = (MimeTypeParameterList)super.clone();
304 } catch (CloneNotSupportedException cannotHappen) {
305 }
306 newObj.parameters = (Hashtable)parameters.clone();
307 return newObj;
308 }
309
310 private Hashtable<String, String> parameters;
311
312 // below here be scary parsing related things
313
314 /**
315 * Determine whether or not a given character belongs to a legal token.
316 */
317 private static boolean isTokenChar(char c) {
318 return ((c > 040) && (c < 0177)) && (TSPECIALS.indexOf(c) < 0);
319 }
320
321 /**
322 * return the index of the first non white space character in
323 * rawdata at or after index i.
324 */
325 private static int skipWhiteSpace(String rawdata, int i) {
326 int length = rawdata.length();
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279 // Heuristic: 8 characters per field
280 StringBuilder buffer = new StringBuilder(parameters.size() * 16);
281
282 Enumeration<String> keys = parameters.keys();
283 while(keys.hasMoreElements())
284 {
285 buffer.append("; ");
286
287 String key = keys.nextElement();
288 buffer.append(key);
289 buffer.append('=');
290 buffer.append(quote(parameters.get(key)));
291 }
292
293 return buffer.toString();
294 }
295
296 /**
297 * @return a clone of this object
298 */
299 @SuppressWarnings("unchecked") // Cast from clone
300 public Object clone() {
301 MimeTypeParameterList newObj = null;
302 try {
303 newObj = (MimeTypeParameterList)super.clone();
304 } catch (CloneNotSupportedException cannotHappen) {
305 }
306 newObj.parameters = (Hashtable<String, String>)parameters.clone();
307 return newObj;
308 }
309
310 private Hashtable<String, String> parameters;
311
312 // below here be scary parsing related things
313
314 /**
315 * Determine whether or not a given character belongs to a legal token.
316 */
317 private static boolean isTokenChar(char c) {
318 return ((c > 040) && (c < 0177)) && (TSPECIALS.indexOf(c) < 0);
319 }
320
321 /**
322 * return the index of the first non white space character in
323 * rawdata at or after index i.
324 */
325 private static int skipWhiteSpace(String rawdata, int i) {
326 int length = rawdata.length();
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