in geronimo-jaspi-openid/src/main/java/org/apache/geronimo/components/jaspi/modules/openid/OpenIDServerAuthModule.java [273:289]
private String addPaths(String p1, String p2) {
StringBuilder b = new StringBuilder(p1);
if (p1.endsWith("/")) {
if (p2.startsWith("/")) {
b.append(p2, 1, p2.length() - 1);
} else {
b.append(p2);
}
} else {
if (!p2.startsWith("/")) {
b.append("/");
}
b.append(p2);
}
return b.toString();
}