| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed 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 com.android.server.wifi.hotspot2; |
| |
| /** |
| * Match score for EAP credentials: |
| * None means that there is a distinct mismatch, i.e. realm, method or parameter is defined |
| * and mismatches that of the credential. |
| * Indeterminate means that there is no ANQP information to match against. |
| * Note: The numeric values given to the constants are used for preference comparison and |
| * must be maintained accordingly. |
| */ |
| public abstract class AuthMatch { |
| public static final int NONE = -1; |
| public static final int INDETERMINATE = 0; |
| public static final int REALM = 0x04; |
| public static final int METHOD = 0x02; |
| public static final int PARAM = 0x01; |
| public static final int METHOD_PARAM = METHOD | PARAM; |
| public static final int EXACT = REALM | METHOD | PARAM; |
| |
| public static String toString(int match) { |
| if (match < 0) { |
| return "None"; |
| } |
| else if (match == 0) { |
| return "Indeterminate"; |
| } |
| |
| StringBuilder sb = new StringBuilder(); |
| if ((match & REALM) != 0) { |
| sb.append("Realm"); |
| } |
| if ((match & METHOD) != 0) { |
| sb.append("Method"); |
| } |
| if ((match & PARAM) != 0) { |
| sb.append("Param"); |
| } |
| return sb.toString(); |
| } |
| } |