/**
* Ctor.
*
* @param txt Text of the link
* @todo #558:30min Href ctor. According to new qulice version, constructor must contain only
* variables initialization and other constructor calls. Refactor code according to that rule
* and remove `ConstructorOnlyInitializesOrCallOtherConstructors` warning suppression.
*/
@SuppressWarnings({
"PMD.AvoidInstantiatingObjectsInLoops",
"PMD.ConstructorOnlyInitializesOrCallOtherConstructors"
})
public Href(final CharSequence txt) {
this.params = new ConcurrentHashMap<String, List<String>>(0);
final URI link = Href.createURI(txt.toString());
final String query = link.getRawQuery();
if (query == null) {
this.uri = link;
} else {
final String href = link.toString();
this.uri = URI.create(href.substring(0, href.length() - query.length() - 1));
final String[] pairs = query.split("&");
for (final String pair : pairs) {
final String[] parts = pair.split("=", 2);
final String key = Href.decode(parts[0]);
final String value;
if (parts.length > 1) {
value = Href.decode(parts[1]);
} else {
value = "";
}
this.params.putIfAbsent(key, new LinkedList<String>());
this.params.get(key).add(value);
}
}
}
/**
* Parses the specified content to create the corresponding {@code URI} instance. In case of an
* {@code URISyntaxException}, it will automatically encode the character that causes the issue
* then it will try again if it is possible otherwise an {@code IllegalArgumentException} will be
* thrown.
*
* @param txt The content to parse
* @return The {@code URI} corresponding to the specified content.
* @throws IllegalArgumentException in case the content could not be parsed
* @throws IllegalStateException in case an invalid character could not be encoded properly.
*/
private static URI createURI(final String txt) {
URI result;
try {
result = new URI(txt);
} catch (final URISyntaxException ex) {
final int index = ex.getIndex();
if (index == -1) {
throw new IllegalArgumentException(ex.getMessage(), ex);
}
final StringBuilder value = new StringBuilder(txt);
value.replace(index, index + 1, Href.encode(value.substring(index, index + 1)));
result = Href.createURI(value.toString());
}
return result;
}