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package org.apache.james.jdkim.impl;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.james.jdkim.api.PublicKeyRecordRetriever;
import org.apache.james.jdkim.exceptions.PermFailException;
import org.apache.james.jdkim.exceptions.TempFailException;
public class MultiplexingPublicKeyRecordRetriever implements
PublicKeyRecordRetriever {
private Map<String, PublicKeyRecordRetriever> retrievers;
public MultiplexingPublicKeyRecordRetriever() {
retrievers = new HashMap<String, PublicKeyRecordRetriever>();
}
public MultiplexingPublicKeyRecordRetriever(String methodName,
PublicKeyRecordRetriever pkrr) {
this();
addRetriever(methodName, pkrr);
}
public void addRetriever(String methodName, PublicKeyRecordRetriever pkrr) {
retrievers.put(methodName, pkrr);
}
public List<String> getRecords(CharSequence methodAndOption, CharSequence selector,
CharSequence token) throws TempFailException, PermFailException {
int pos = methodAndOption.toString().indexOf('/');
String method = pos != -1 ? methodAndOption.subSequence(0, pos)
.toString() : methodAndOption.toString();
PublicKeyRecordRetriever pkrr = retrievers.get(method);
if (pkrr != null) {
return pkrr.getRecords(methodAndOption, selector, token);
} else {
throw new PermFailException(
"Unknown public key record retrieving method: "
+ methodAndOption);
}
}
}