org.apache.hadoop.gateway.util.CredentialsProvider.java Source code

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Here is the source code for org.apache.hadoop.gateway.util.CredentialsProvider.java

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/**
 * 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.hadoop.gateway.util;

import org.apache.http.auth.Credentials;
import org.apache.http.auth.UsernamePasswordCredentials;

import javax.security.auth.callback.*;
import java.io.IOException;

public class CredentialsProvider implements CallbackHandler {

    Credentials credentials;

    public CredentialsProvider(Credentials credentials) {
        this.credentials = credentials;
    }

    @Override
    public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException {
        for (Callback callback : callbacks) {
            if (callback instanceof NameCallback) {
                String username = credentials.getUserPrincipal().getName();
                ((NameCallback) callback).setName(username);
                //System.out.println( "Provided username: " + username );
            } else if (callback instanceof PasswordCallback) {
                String password = credentials.getPassword();
                ((PasswordCallback) callback).setPassword(password.toCharArray());
                //System.out.println( "Provided password: " + password );
            }
        }
    }

}