public Template parseTemplate(String template) throws URISyntaxException {
this.template = template;
builder = new Builder(template);
builder.setHasScheme(false);
builder.setHasAuthority(
false); // Assume no until found otherwise. If true, will cause // in output URL.
builder.setIsAuthorityOnly(false);
builder.setIsAbsolute(
false); // Assume relative until found otherwise. If true, will cause leading / in output
// URL.
builder.setIsDirectory(
false); // Assume a file path until found otherwise. If true, will cause trailing / in
// output URL.
builder.setHasQuery(
false); // Assume no ? until found otherwise. If true, will cause ? in output URL.
builder.setHasFragment(
false); // Assume no # until found otherwise. If true, will cause # in output URL.
Matcher match = PATTERN.matcher(template);
if (match.matches()) {
consumeSchemeMatch(match);
consumeAuthorityMatch(match);
consumePathMatch(match);
consumeQueryMatch(match);
consumeFragmentMatch(match);
fixNakedAuthority();
} else {
throw new URISyntaxException(template, RES.parseTemplateFailureReason(template));
}
return builder.build();
}
private final void fixNakedAuthority() {
if (builder.getHashScheme()
&& !builder.getHasAuthority()
&& !builder.getIsAbsolute()
&& !builder.getIsDirectory()
&& (builder.getPath().size() == 1)
&& !builder.getHasQuery()
&& !builder.getHasFragment()) {
final Scheme scheme = builder.getScheme();
builder.setHasScheme(false);
builder.setHost(makeTokenSingular(scheme.getToken()));
Path path = builder.getPath().remove(0);
builder.setPort(makeTokenSingular(path.getToken()));
builder.setIsAuthorityOnly(true);
}
}
private void consumeSchemeMatch(Matcher match) {
if (match.group(MATCH_GROUP_SCHEME) != null) {
builder.setHasScheme(true);
consumeSchemeToken(match.group(MATCH_GROUP_SCHEME_NAKED));
}
}