/** Encode a URI and local name to an exploded QName (also known as a "Clark name") String. */
public static String buildExplodedQName(String uri, String localname) {
if ("".equals(uri)) return localname;
else {
final StringBuilder sb = new StringBuilder(uri.length() + localname.length() + 2);
sb.append('{');
sb.append(uri);
sb.append('}');
sb.append(localname);
return sb.toString();
}
}
private static void mapPrefixIfNeeded(
Set<String> declaredPrefixes, String uri, String qName, StringBuilder sb) {
final String prefix = XMLUtils.prefixFromQName(qName);
if (prefix.length() > 0 && !declaredPrefixes.contains(prefix)) {
sb.append(" xmlns:");
sb.append(prefix);
sb.append("=\"");
sb.append(uri);
sb.append("\"");
declaredPrefixes.add(prefix);
}
}
/**
* Make an NCName out of a non-blank string. Any characters that do not belong in an NCName are
* converted to '_'.
*
* @param name source
* @return NCName
*/
public static String makeNCName(String name) {
if (StringUtils.isBlank(name))
throw new IllegalArgumentException("Name must not be blank or empty");
final Name10Checker name10Checker = Name10Checker.getInstance();
if (name10Checker.isValidNCName(name)) {
return name;
} else {
final StringBuilder sb = new StringBuilder();
final char start = name.charAt(0);
sb.append(name10Checker.isNCNameStartChar(start) ? start : '_');
for (int i = 1; i < name.length(); i++) {
final char ch = name.charAt(i);
sb.append(name10Checker.isNCNameChar(ch) ? ch : '_');
}
return sb.toString();
}
}
private static String nZeros(int n) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < n; i++) sb.append('0');
return sb.toString();
}
public static String saxElementToDebugString(String uri, String qName, Attributes attributes) {
// Open start tag
final StringBuilder sb = new StringBuilder("<");
sb.append(qName);
final Set<String> declaredPrefixes = new HashSet<String>();
mapPrefixIfNeeded(declaredPrefixes, uri, qName, sb);
// Attributes if any
for (int i = 0; i < attributes.getLength(); i++) {
mapPrefixIfNeeded(declaredPrefixes, attributes.getURI(i), attributes.getQName(i), sb);
sb.append(' ');
sb.append(attributes.getQName(i));
sb.append("=\"");
sb.append(attributes.getValue(i));
sb.append('\"');
}
// Close start tag
sb.append('>');
// Content
sb.append("[...]");
// Close element with end tag
sb.append("</");
sb.append(qName);
sb.append('>');
return sb.toString();
}