@Override
public ContactInfo readValue() throws IOException {
ContactInfo result = null;
skipSpaces();
if (peek() != -1) {
result = new ContactInfo();
if (peek() == '"') {
result.setDisplayName(readQuotedString());
skipSpaces();
result.setReference(new Reference(readReference()));
} else if (peek() == '<') {
result.setReference(new Reference(readReference()));
} else if (HeaderUtils.isTokenChar(peek())) {
// Read value until end or value or parameter separator
StringBuilder sb = null;
int next = read();
while ((next != -1) && !isComma(next) && !isSemiColon(next)) {
if (sb == null) {
sb = new StringBuilder();
}
sb.append((char) next);
next = read();
}
// Remove trailing spaces
if (sb != null) {
for (int i = sb.length() - 1; (i >= 0) && isLinearWhiteSpace(sb.charAt(i)); i--) {
sb.deleteCharAt(i);
}
}
// Unread the separator
if (isComma(next) || isSemiColon(next)) {
unread();
}
// The last token is the reference
int index = sb.lastIndexOf(" ");
if (index != -1) {
if (sb.charAt(index + 1) == '<') {
if (sb.charAt(sb.length() - 1) == '>') {
result.setReference(new Reference(sb.substring(index + 2, sb.length() - 1)));
} else {
throw new IOException("Unexpected end of reference. Please check your value");
}
}
result.setDisplayName(sb.substring(0, index).trim());
} else {
result.setReference(new Reference(sb.toString()));
}
}
}
// Read address parameters.
if (skipParameterSeparator()) {
Parameter param = readParameter();
while (param != null) {
if ("q".equals(param.getName())) {
result.setQuality(PreferenceReader.readQuality(param.getValue()));
} else if ("expires".equals(param.getName())) {
result.setExpires(param.getValue());
} else {
addParameter(result, param);
}
if (skipParameterSeparator()) {
param = readParameter();
} else {
param = null;
}
}
}
return result;
}
