/**
* Parse the parameters of this request, if it has not already occurred. If parameters are present
* in both the query string and the request content, they are merged.
*/
protected void parseParameters() {
if (parsed) return;
ParameterMap results = parameters;
if (results == null) results = new ParameterMap();
results.setLocked(false);
String encoding = getCharacterEncoding();
if (encoding == null) encoding = "ISO-8859-1";
// Parse any parameters specified in the query string
String queryString = getQueryString();
try {
RequestUtil.parseParameters(results, queryString, encoding);
} catch (UnsupportedEncodingException e) {;
}
// Parse any parameters specified in the input stream
String contentType = getContentType();
if (contentType == null) contentType = "";
int semicolon = contentType.indexOf(';');
if (semicolon >= 0) {
contentType = contentType.substring(0, semicolon).trim();
} else {
contentType = contentType.trim();
}
if ("POST".equals(getMethod())
&& (getContentLength() > 0)
&& "application/x-www-form-urlencoded".equals(contentType)) {
try {
int max = getContentLength();
int len = 0;
byte buf[] = new byte[getContentLength()];
ServletInputStream is = getInputStream();
while (len < max) {
int next = is.read(buf, len, max - len);
if (next < 0) {
break;
}
len += next;
}
is.close();
if (len < max) {
throw new RuntimeException("Content length mismatch");
}
RequestUtil.parseParameters(results, buf, encoding);
} catch (UnsupportedEncodingException ue) {;
} catch (IOException e) {
throw new RuntimeException("Content read fail");
}
}
// Store the final results
results.setLocked(true);
parsed = true;
parameters = results;
}
public String[] getParameterValues(String name) {
parseParameters();
String values[] = (String[]) parameters.get(name);
if (values != null) return (values);
else return null;
}
public Enumeration getParameterNames() {
parseParameters();
return (new Enumerator(parameters.keySet()));
}
public String getParameter(String name) {
parseParameters();
String values[] = (String[]) parameters.get(name);
if (values != null) return (values[0]);
else return (null);
}