init

java/org/apache/catalina/realm/NestedCredentialHandler.java

@@ -0,0 +1,65 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.catalina.realm;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.catalina.CredentialHandler;
+
+public class NestedCredentialHandler implements CredentialHandler {
+
+    private final List<CredentialHandler> credentialHandlers = new ArrayList<>();
+
+
+    @Override
+    public boolean matches(String inputCredentials, String storedCredentials) {
+        for (CredentialHandler handler : credentialHandlers) {
+            if (handler.matches(inputCredentials, storedCredentials)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+
+    /**
+     * The input credentials will be passed to the first nested
+     * {@link CredentialHandler}. If no nested {@link CredentialHandler} are
+     * configured then <code>null</code> will be returned.
+     *
+     * {@inheritDoc}
+     */
+    @Override
+    public String mutate(String inputCredentials) {
+        if (credentialHandlers.isEmpty()) {
+            return null;
+        }
+
+        return credentialHandlers.get(0).mutate(inputCredentials);
+    }
+
+
+    public void addCredentialHandler(CredentialHandler handler) {
+        credentialHandlers.add(handler);
+    }
+
+    public CredentialHandler[] getCredentialHandlers() {
+        return credentialHandlers.toArray(new CredentialHandler[0]);
+    }
+
+}