org.bouncycastle.asn1.x509.X509NameTokenizer Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of bcprov-jdk15 Show documentation
Show all versions of bcprov-jdk15 Show documentation
The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5.
package org.bouncycastle.asn1.x509;
/**
* class for breaking up an X500 Name into it's component tokens, ala
* java.util.StringTokenizer. We need this class as some of the
* lightweight Java environment don't support classes like
* StringTokenizer.
*/
public class X509NameTokenizer
{
private String value;
private int index;
private char seperator;
private StringBuffer buf = new StringBuffer();
public X509NameTokenizer(
String oid)
{
this(oid, ',');
}
public X509NameTokenizer(
String oid,
char seperator)
{
this.value = oid;
this.index = -1;
this.seperator = seperator;
}
public boolean hasMoreTokens()
{
return (index != value.length());
}
public String nextToken()
{
if (index == value.length())
{
return null;
}
int end = index + 1;
boolean quoted = false;
boolean escaped = false;
buf.setLength(0);
while (end != value.length())
{
char c = value.charAt(end);
if (c == '"')
{
if (!escaped)
{
quoted = !quoted;
}
else
{
buf.append(c);
}
escaped = false;
}
else
{
if (escaped || quoted)
{
buf.append(c);
escaped = false;
}
else if (c == '\\')
{
escaped = true;
}
else if (c == seperator)
{
break;
}
else
{
buf.append(c);
}
}
end++;
}
index = end;
return buf.toString().trim();
}
}