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      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.sdklib.internal.repository;
     18 
     19 import com.android.sdklib.repository.RepoConstants;
     20 
     21 /**
     22  * Interface used to decorate a {@link Package} that has a dependency
     23  * on a specific API level, e.g. which XML has a {@code <api-level>} element.
     24  * <p/>
     25  * For example an add-on package requires a platform with an exact API level to be installed
     26  * at the same time.
     27  * This is not the same as {@link IMinApiLevelDependency} which requests that a platform with at
     28  * least the requested API level be present or installed at the same time.
     29  * <p/>
     30  * Such package requires the {@code <api-level>} element. It is not an optional
     31  * property, however it can be invalid.
     32  */
     33 public interface IExactApiLevelDependency {
     34 
     35     /**
     36      * The value of {@link #getExactApiLevel()} when the {@link RepoConstants#NODE_API_LEVEL}
     37      * was not specified in the XML source.
     38      */
     39     public static final int API_LEVEL_INVALID = 0;
     40 
     41     /**
     42      * Returns the exact API level required by this package, if > 0,
     43      * or {@link #API_LEVEL_INVALID} if the value was missing.
     44      * <p/>
     45      * This attribute is mandatory and should not be normally missing.
     46      * It can only happen when dealing with an invalid repository XML.
     47      */
     48     public abstract int getExactApiLevel();
     49 }
     50