001/*
002 * Copyright (c) 2011-2017 Nexmo Inc
003 *
004 * Permission is hereby granted, free of charge, to any person obtaining a copy
005 * of this software and associated documentation files (the "Software"), to deal
006 * in the Software without restriction, including without limitation the rights
007 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
008 * copies of the Software, and to permit persons to whom the Software is
009 * furnished to do so, subject to the following conditions:
010 *
011 * The above copyright notice and this permission notice shall be included in
012 * all copies or substantial portions of the Software.
013 *
014 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
015 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
016 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
017 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
018 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
019 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
020 * THE SOFTWARE.
021 */
022package com.nexmo.client.auth;
023
024import org.apache.commons.lang3.StringUtils;
025
026import java.util.ArrayList;
027import java.util.Collection;
028import java.util.SortedSet;
029import java.util.TreeSet;
030
031public class NexmoUnacceptableAuthException extends NexmoAuthException {
032    private final Iterable<AuthMethod> availableAuths;
033    private final Iterable<Class> acceptableAuthClasses;
034
035    public NexmoUnacceptableAuthException(Collection<AuthMethod> availableAuths, Collection<Class>
036            acceptableAuthClasses) {
037        super();
038        this.availableAuths = new ArrayList<>(availableAuths);
039        this.acceptableAuthClasses = new ArrayList<>(acceptableAuthClasses);
040    }
041
042    public String getMessage() {
043        return generateErrorMessage();
044    }
045
046    private String generateErrorMessage() {
047        SortedSet<String> availableTypes = new TreeSet<>();
048        for (AuthMethod auth : this.availableAuths) {
049            availableTypes.add(auth.getClass().getSimpleName());
050        }
051
052        SortedSet<String> acceptableTypes = new TreeSet<>();
053        for (Class klass : this.acceptableAuthClasses) {
054            acceptableTypes.add(klass.getSimpleName());
055        }
056
057        return String.format("No acceptable authentication type could be found. Acceptable types are: %s. Supplied " +
058                "types " +
059                "were: %s", StringUtils.join(acceptableTypes, ", "), StringUtils.join(availableTypes, ", "));
060    }
061}