diff options
| -rw-r--r-- | luni/src/main/java/javax/net/ssl/DistinguishedNameParser.java | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/luni/src/main/java/javax/net/ssl/DistinguishedNameParser.java b/luni/src/main/java/javax/net/ssl/DistinguishedNameParser.java index fb74d9b..f5cc688 100644 --- a/luni/src/main/java/javax/net/ssl/DistinguishedNameParser.java +++ b/luni/src/main/java/javax/net/ssl/DistinguishedNameParser.java @@ -17,6 +17,9 @@ package javax.net.ssl; +import java.util.ArrayList; +import java.util.Collections; +import java.util.List; import javax.security.auth.x500.X500Principal; /** @@ -406,4 +409,71 @@ public final class DistinguishedNameParser { } } } + + /** + * Parses the DN and returns all values for an attribute type, in + * the order of decreasing significance (most significant first). + * + * @param attributeType attribute type to look for (e.g. "ca") + */ + public List<String> getAllMostSpecificFirst(String attributeType) { + // Initialize internal state. + pos = 0; + beg = 0; + end = 0; + cur = 0; + chars = dn.toCharArray(); + List<String> result = Collections.emptyList(); + + String attType = nextAT(); + if (attType == null) { + return result; + } + while (pos < length) { + String attValue = ""; + + switch (chars[pos]) { + case '"': + attValue = quotedAV(); + break; + case '#': + attValue = hexAV(); + break; + case '+': + case ',': + case ';': // compatibility with RFC 1779: semicolon can separate RDNs + //empty attribute value + break; + default: + attValue = escapedAV(); + } + + // Values are ordered from most specific to least specific + // due to the RFC2253 formatting. So take the first match + // we see. + if (attributeType.equalsIgnoreCase(attType)) { + if (result.isEmpty()) { + result = new ArrayList<String>(); + } + result.add(attValue); + } + + if (pos >= length) { + break; + } + + if (chars[pos] == ',' || chars[pos] == ';') { + } else if (chars[pos] != '+') { + throw new IllegalStateException("Malformed DN: " + dn); + } + + pos++; + attType = nextAT(); + if (attType == null) { + throw new IllegalStateException("Malformed DN: " + dn); + } + } + + return result; + } } |