protected Class getHashFormatClass()

in crypto/hash/src/main/java/org/apache/shiro/crypto/hash/format/DefaultHashFormatFactory.java [188:233]

32 lines of code
11 McCabe index (conditional complexity)


    protected Class getHashFormatClass(String token) {

        Class clazz = null;

        //check to see if the token is a configured FQCN alias.  This is faster than searching packages,
        //so we try this first:
        if (this.formatClassNames != null) {
            String value = this.formatClassNames.get(token);
            if (value != null) {
                //found an alias - see if the value is a class:
                clazz = lookupHashFormatClass(value);
            }
        }

        //check to see if the token is one of Shiro's provided FQCN aliases (again, faster than searching):
        if (clazz == null) {
            ProvidedHashFormat provided = ProvidedHashFormat.byId(token);
            if (provided != null) {
                clazz = provided.getHashFormatClass();
            }
        }

        if (clazz == null) {
            //check to see if 'token' was a FQCN itself:
            clazz = lookupHashFormatClass(token);
        }

        if (clazz == null) {
            //token wasn't a FQCN or a FQCN alias - try searching in configured packages:
            if (this.searchPackages != null) {
                for (String packageName : this.searchPackages) {
                    clazz = getHashFormatClass(packageName, token);
                    if (clazz != null) {
                        //found it:
                        break;
                    }
                }
            }
        }

        if (clazz != null) {
            assertHashFormatImpl(clazz);
        }

        return clazz;
    }