@Override
public Tag getSipIfMatch() {
if (!sipIfMatchAdded) {
String header =
(getHeaders() == null) ? null : getHeaders().getValues(SipConstants.HEADER_SIP_IF_MATCH);
if (header != null) {
try {
setSipIfMatch(Tag.parse(header));
} catch (Exception e) {
Context.getCurrentLogger().info(e.getMessage());
}
}
sipIfMatchAdded = true;
}
return super.getSipIfMatch();
}
/**
* Returns the condition data applying to this call.
*
* @return The condition data applying to this call.
*/
@Override
public Conditions getConditions() {
Conditions result = super.getConditions();
if (!this.conditionAdded) {
if (getHeaders() != null) {
// Extract the header values
String ifMatchHeader = getHeaders().getValues(HeaderConstants.HEADER_IF_MATCH);
String ifNoneMatchHeader = getHeaders().getValues(HeaderConstants.HEADER_IF_NONE_MATCH);
Date ifModifiedSince = null;
Date ifUnmodifiedSince = null;
String ifRangeHeader = getHeaders().getFirstValue(HeaderConstants.HEADER_IF_RANGE, true);
for (Header header : getHeaders()) {
if (header.getName().equalsIgnoreCase(HeaderConstants.HEADER_IF_MODIFIED_SINCE)) {
ifModifiedSince = HeaderReader.readDate(header.getValue(), false);
} else if (header
.getName()
.equalsIgnoreCase(HeaderConstants.HEADER_IF_UNMODIFIED_SINCE)) {
ifUnmodifiedSince = HeaderReader.readDate(header.getValue(), false);
}
}
// Set the If-Modified-Since date
if ((ifModifiedSince != null) && (ifModifiedSince.getTime() != -1)) {
result.setModifiedSince(ifModifiedSince);
}
// Set the If-Unmodified-Since date
if ((ifUnmodifiedSince != null) && (ifUnmodifiedSince.getTime() != -1)) {
result.setUnmodifiedSince(ifUnmodifiedSince);
}
// Set the If-Match tags
List<Tag> match = null;
Tag current = null;
if (ifMatchHeader != null) {
try {
HeaderReader<Object> hr = new HeaderReader<Object>(ifMatchHeader);
String value = hr.readRawValue();
while (value != null) {
current = Tag.parse(value);
// Is it the first tag?
if (match == null) {
match = new ArrayList<Tag>();
result.setMatch(match);
}
// Add the new tag
match.add(current);
// Read the next token
value = hr.readRawValue();
}
} catch (Exception e) {
this.context
.getLogger()
.log(Level.INFO, "Unable to process the if-match header: " + ifMatchHeader);
}
}
// Set the If-None-Match tags
List<Tag> noneMatch = null;
if (ifNoneMatchHeader != null) {
try {
HeaderReader<Object> hr = new HeaderReader<Object>(ifNoneMatchHeader);
String value = hr.readRawValue();
while (value != null) {
current = Tag.parse(value);
// Is it the first tag?
if (noneMatch == null) {
noneMatch = new ArrayList<Tag>();
result.setNoneMatch(noneMatch);
}
noneMatch.add(current);
// Read the next token
value = hr.readRawValue();
}
} catch (Exception e) {
this.context
.getLogger()
.log(
Level.INFO, "Unable to process the if-none-match header: " + ifNoneMatchHeader);
}
}
if (ifRangeHeader != null && ifRangeHeader.length() > 0) {
Tag tag = Tag.parse(ifRangeHeader);
if (tag != null) {
result.setRangeTag(tag);
} else {
Date date = HeaderReader.readDate(ifRangeHeader, false);
result.setRangeDate(date);
}
}
}
this.conditionAdded = true;
}
return result;
}