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      1 /*
      2  * Copyright (C) 2010 The Android Open Source Project
      3  *
      4  * Licensed under the Eclipse Public License, Version 1.0 (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.eclipse.org/org/documents/epl-v10.php
      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.repository;
     18 
     19 
     20 import com.android.sdklib.internal.repository.SdkSource;
     21 
     22 import java.io.InputStream;
     23 
     24 /**
     25  * Public constants for the sdk-addon XML Schema.
     26  */
     27 public class SdkAddonConstants extends RepoConstants {
     28 
     29     /** The default name looked for by {@link SdkSource} when trying to load an
     30      * sdk-addon XML if the URL doesn't match an existing resource. */
     31     public static final String URL_DEFAULT_FILENAME = "addon.xml";         //$NON-NLS-1$
     32 
     33     /** The base of our sdk-addon XML namespace. */
     34     private static final String NS_BASE =
     35         "http://schemas.android.com/sdk/android/addon/";                   //$NON-NLS-1$
     36 
     37     /**
     38      * The pattern of our sdk-addon XML namespace.
     39      * Matcher's group(1) is the schema version (integer).
     40      */
     41     public static final String NS_PATTERN = NS_BASE + "([1-9][0-9]*)";     //$NON-NLS-1$
     42 
     43     /** The latest version of the sdk-addon XML Schema.
     44      *  Valid version numbers are between 1 and this number, included. */
     45     public static final int NS_LATEST_VERSION = 3;
     46 
     47     /** The XML namespace of the latest sdk-addon XML. */
     48     public static final String NS_URI = getSchemaUri(NS_LATEST_VERSION);
     49 
     50     /** The root sdk-addon element */
     51     public static final String NODE_SDK_ADDON       = "sdk-addon";         //$NON-NLS-1$
     52 
     53     /** An add-on package. */
     54     public static final String NODE_ADD_ON          = "add-on";            //$NON-NLS-1$
     55 
     56     /**
     57      * List of possible nodes in a repository XML. Used to populate options automatically
     58      * in the no-GUI mode.
     59      */
     60     public static final String[] NODES = {
     61         NODE_ADD_ON,
     62         NODE_EXTRA
     63     };
     64 
     65     /**
     66      * Returns a stream to the requested {@code sdk-addon} XML Schema.
     67      *
     68      * @param version Between 1 and {@link #NS_LATEST_VERSION}, included.
     69      * @return An {@link InputStream} object for the local XSD file or
     70      *         null if there is no schema for the requested version.
     71      */
     72     public static InputStream getXsdStream(int version) {
     73         return getXsdStream(NODE_SDK_ADDON, version);
     74     }
     75 
     76     /**
     77      * Returns the URI of the sdk-addon schema for the given version number.
     78      * @param version Between 1 and {@link #NS_LATEST_VERSION} included.
     79      */
     80     public static String getSchemaUri(int version) {
     81         return String.format(NS_BASE + "%d", version);           //$NON-NLS-1$
     82     }
     83 }
     84