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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.annotations.VisibleForTesting;
     20 import com.android.annotations.VisibleForTesting.Visibility;
     21 import com.android.sdklib.AndroidVersion;
     22 import com.android.sdklib.SdkConstants;
     23 import com.android.sdklib.SdkManager;
     24 import com.android.sdklib.SystemImage;
     25 import com.android.sdklib.AndroidVersion.AndroidVersionException;
     26 import com.android.sdklib.internal.repository.Archive.Arch;
     27 import com.android.sdklib.internal.repository.Archive.Os;
     28 import com.android.sdklib.repository.PkgProps;
     29 import com.android.sdklib.repository.SdkRepoConstants;
     30 
     31 import org.w3c.dom.Node;
     32 
     33 import java.io.File;
     34 import java.util.Map;
     35 import java.util.Properties;
     36 
     37 /**
     38  * Represents a system-image XML node in an SDK repository.
     39  */
     40 public class SystemImagePackage extends Package
     41         implements IPackageVersion, IPlatformDependency {
     42 
     43     /** The package version, for platform, add-on and doc packages. */
     44     private final AndroidVersion mVersion;
     45 
     46     /** The ABI of the system-image. Must not be null nor empty. */
     47     private final String mAbi;
     48 
     49     /**
     50      * Creates a new system-image package from the attributes and elements of the given XML node.
     51      * This constructor should throw an exception if the package cannot be created.
     52      *
     53      * @param source The {@link SdkSource} where this is loaded from.
     54      * @param packageNode The XML element being parsed.
     55      * @param nsUri The namespace URI of the originating XML document, to be able to deal with
     56      *          parameters that vary according to the originating XML schema.
     57      * @param licenses The licenses loaded from the XML originating document.
     58      */
     59     SystemImagePackage(SdkSource source,
     60             Node packageNode,
     61             String nsUri,
     62             Map<String,String> licenses) {
     63         super(source, packageNode, nsUri, licenses);
     64 
     65         int apiLevel = XmlParserUtils.getXmlInt(packageNode, SdkRepoConstants.NODE_API_LEVEL, 0);
     66         String codeName = XmlParserUtils.getXmlString(packageNode, SdkRepoConstants.NODE_CODENAME);
     67         if (codeName.length() == 0) {
     68             codeName = null;
     69         }
     70         mVersion = new AndroidVersion(apiLevel, codeName);
     71 
     72         mAbi = XmlParserUtils.getXmlString(packageNode, SdkRepoConstants.NODE_ABI);
     73     }
     74 
     75     @VisibleForTesting(visibility=Visibility.PRIVATE)
     76     protected SystemImagePackage(
     77             AndroidVersion platformVersion,
     78             int revision,
     79             String abi,
     80             Properties props,
     81             String localOsPath) {
     82         this(null /*source*/, platformVersion, revision, abi, props, localOsPath);
     83     }
     84 
     85     @VisibleForTesting(visibility=Visibility.PRIVATE)
     86     protected SystemImagePackage(
     87             SdkSource source,
     88             AndroidVersion platformVersion,
     89             int revision,
     90             String abi,
     91             Properties props,
     92             String localOsPath) {
     93         super(  source,                     //source
     94                 props,                      //properties
     95                 revision,                   //revision
     96                 null,                       //license
     97                 null,                       //description
     98                 null,                       //descUrl
     99                 Os.getCurrentOs(),          //archiveOs
    100                 Arch.getCurrentArch(),      //archiveArch
    101                 localOsPath                 //archiveOsPath
    102                 );
    103         mVersion = platformVersion;
    104         if (abi == null && props != null) {
    105             abi = props.getProperty(PkgProps.SYS_IMG_ABI);
    106         }
    107         assert abi != null : "To use this SystemImagePackage constructor you must pass an ABI as a parameter or as a PROP_ABI property";
    108         mAbi = abi;
    109     }
    110 
    111     /**
    112      * Creates a {@link BrokenPackage} representing a system image that failed to load
    113      * with the regular {@link SdkManager} workflow.
    114      *
    115      * @param abiDir The SDK/system-images/android-N/abi folder
    116      * @param props The properties located in {@code abiDir} or null if not found.
    117      * @return A new {@link BrokenPackage} that represents this installed package.
    118      */
    119     public static Package createBroken(File abiDir, Properties props) {
    120         AndroidVersion version = null;
    121         String abiType = abiDir.getName();
    122         String error = null;
    123 
    124         // Try to load the android version & ABI from the sources.props.
    125         // If we don't find them, it would explain why this package is broken.
    126         if (props == null) {
    127             error = String.format("Missing file %1$s", SdkConstants.FN_SOURCE_PROP);
    128         } else {
    129             try {
    130                 version = new AndroidVersion(props);
    131 
    132                 String abi = props.getProperty(PkgProps.SYS_IMG_ABI);
    133                 if (abi != null) {
    134                     abiType = abi;
    135                 } else {
    136                     error = String.format("Invalid file %1$s: Missing property %2$s",
    137                             SdkConstants.FN_SOURCE_PROP,
    138                             PkgProps.SYS_IMG_ABI);
    139                 }
    140             } catch (AndroidVersionException e) {
    141                 error = String.format("Invalid file %1$s: %2$s",
    142                         SdkConstants.FN_SOURCE_PROP,
    143                         e.getMessage());
    144             }
    145         }
    146 
    147         if (version == null) {
    148             try {
    149                 // Try to parse the first number out of the platform folder name.
    150                 String platform = abiDir.getParentFile().getName();
    151                 platform = platform.replaceAll("[^0-9]+", " ").trim();  //$NON-NLS-1$ //$NON-NLS-2$
    152                 int pos = platform.indexOf(' ');
    153                 if (pos >= 0) {
    154                     platform = platform.substring(0, pos);
    155                 }
    156                 int apiLevel = Integer.parseInt(platform);
    157                 version = new AndroidVersion(apiLevel, null /*codename*/);
    158             } catch (Exception ignore) {
    159             }
    160         }
    161 
    162         StringBuilder sb = new StringBuilder(
    163                 String.format("Broken %1$s System Image", getAbiDisplayNameInternal(abiType)));
    164         if (version != null) {
    165             sb.append(String.format(", API %1$s", version.getApiString()));
    166         }
    167 
    168         String shortDesc = sb.toString();
    169 
    170         if (error != null) {
    171             sb.append('\n').append(error);
    172         }
    173 
    174         String longDesc = sb.toString();
    175 
    176         return new BrokenPackage(props, shortDesc, longDesc,
    177                 IMinApiLevelDependency.MIN_API_LEVEL_NOT_SPECIFIED,
    178                 version==null ? IExactApiLevelDependency.API_LEVEL_INVALID : version.getApiLevel(),
    179                 abiDir.getAbsolutePath());
    180     }
    181 
    182     /**
    183      * Save the properties of the current packages in the given {@link Properties} object.
    184      * These properties will later be given to a constructor that takes a {@link Properties} object.
    185      */
    186     @Override
    187     void saveProperties(Properties props) {
    188         super.saveProperties(props);
    189 
    190         mVersion.saveProperties(props);
    191         props.setProperty(PkgProps.SYS_IMG_ABI, mAbi);
    192     }
    193 
    194     /** Returns the ABI of the system-image. Cannot be null nor empty. */
    195     public String getAbi() {
    196         return mAbi;
    197     }
    198 
    199     /** Returns a display-friendly name for the ABI of the system-image. */
    200     public String getAbiDisplayName() {
    201         return getAbiDisplayNameInternal(mAbi);
    202     }
    203 
    204     private static String getAbiDisplayNameInternal(String abi) {
    205         return abi.replace("armeabi", "ARM EABI")         //$NON-NLS-1$  //$NON-NLS-2$
    206                   .replace("x86",     "Intel x86 Atom")   //$NON-NLS-1$  //$NON-NLS-2$
    207                   .replace("-", " ");                     //$NON-NLS-1$  //$NON-NLS-2$
    208     }
    209 
    210     /**
    211      * Returns the version of the platform dependency of this package.
    212      * <p/>
    213      * A system-image has the same {@link AndroidVersion} as the platform it depends on.
    214      */
    215     public AndroidVersion getVersion() {
    216         return mVersion;
    217     }
    218 
    219     /**
    220      * Returns a string identifier to install this package from the command line.
    221      * For system images, we use "sysimg-N" where N is the API or the preview codename.
    222      * <p/>
    223      * {@inheritDoc}
    224      */
    225     @Override
    226     public String installId() {
    227         return "sysimg-" + mVersion.getApiString();    //$NON-NLS-1$
    228     }
    229 
    230     /**
    231      * Returns a description of this package that is suitable for a list display.
    232      * <p/>
    233      * {@inheritDoc}
    234      */
    235     @Override
    236     public String getListDescription() {
    237         return String.format("%1$s System Image%2$s",
    238                 getAbiDisplayName(),
    239                 isObsolete() ? " (Obsolete)" : "");
    240     }
    241 
    242     /**
    243      * Returns a short description for an {@link IDescription}.
    244      */
    245     @Override
    246     public String getShortDescription() {
    247         return String.format("%1$s System Image, Android API %2$s, revision %3$s%4$s",
    248                 getAbiDisplayName(),
    249                 mVersion.getApiString(),
    250                 getRevision(),
    251                 isObsolete() ? " (Obsolete)" : "");
    252     }
    253 
    254     /**
    255      * Returns a long description for an {@link IDescription}.
    256      *
    257      * The long description is whatever the XML contains for the {@code description} field,
    258      * or the short description if the former is empty.
    259      */
    260     @Override
    261     public String getLongDescription() {
    262         String s = getDescription();
    263         if (s == null || s.length() == 0) {
    264             s = getShortDescription();
    265         }
    266 
    267         if (s.indexOf("revision") == -1) {
    268             s += String.format("\nRevision %1$d%2$s",
    269                     getRevision(),
    270                     isObsolete() ? " (Obsolete)" : "");
    271         }
    272 
    273         s += String.format("\nRequires SDK Platform Android API %1$s",
    274                 mVersion.getApiString());
    275         return s;
    276     }
    277 
    278     /**
    279      * Computes a potential installation folder if an archive of this package were
    280      * to be installed right away in the given SDK root.
    281      * <p/>
    282      * A system-image package is typically installed in SDK/systems/platform/abi.
    283      * The name needs to be sanitized to be acceptable as a directory name.
    284      *
    285      * @param osSdkRoot The OS path of the SDK root folder.
    286      * @param sdkManager An existing SDK manager to list current platforms and addons.
    287      * @return A new {@link File} corresponding to the directory to use to install this package.
    288      */
    289     @Override
    290     public File getInstallFolder(String osSdkRoot, SdkManager sdkManager) {
    291         File folder = new File(osSdkRoot, SdkConstants.FD_SYSTEM_IMAGES);
    292         folder = new File(folder, SystemImage.ANDROID_PREFIX + mVersion.getApiString());
    293 
    294         // Computes a folder directory using the sanitized abi string.
    295         String abi = mAbi;
    296         abi = abi.toLowerCase();
    297         abi = abi.replaceAll("[^a-z0-9_-]+", "_");      //$NON-NLS-1$ //$NON-NLS-2$
    298         abi = abi.replaceAll("_+", "_");                //$NON-NLS-1$ //$NON-NLS-2$
    299 
    300         folder = new File(folder, abi);
    301         return folder;
    302     }
    303 
    304     @Override
    305     public boolean sameItemAs(Package pkg) {
    306         if (pkg instanceof SystemImagePackage) {
    307             SystemImagePackage newPkg = (SystemImagePackage)pkg;
    308 
    309             // check they are the same abi and version.
    310             return getAbi().equals(newPkg.getAbi()) &&
    311                     getVersion().equals(newPkg.getVersion());
    312         }
    313 
    314         return false;
    315     }
    316 
    317     @Override
    318     public int hashCode() {
    319         final int prime = 31;
    320         int result = super.hashCode();
    321         result = prime * result + ((mAbi == null) ? 0 : mAbi.hashCode());
    322         result = prime * result + ((mVersion == null) ? 0 : mVersion.hashCode());
    323         return result;
    324     }
    325 
    326     @Override
    327     public boolean equals(Object obj) {
    328         if (this == obj) {
    329             return true;
    330         }
    331         if (!super.equals(obj)) {
    332             return false;
    333         }
    334         if (!(obj instanceof SystemImagePackage)) {
    335             return false;
    336         }
    337         SystemImagePackage other = (SystemImagePackage) obj;
    338         if (mAbi == null) {
    339             if (other.mAbi != null) {
    340                 return false;
    341             }
    342         } else if (!mAbi.equals(other.mAbi)) {
    343             return false;
    344         }
    345         if (mVersion == null) {
    346             if (other.mVersion != null) {
    347                 return false;
    348             }
    349         } else if (!mVersion.equals(other.mVersion)) {
    350             return false;
    351         }
    352         return true;
    353     }
    354 }
    355