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Diffstat (limited to 'test-runner/src/android/test/RenamingDelegatingContext.java')
| -rw-r--r-- | test-runner/src/android/test/RenamingDelegatingContext.java | 233 |
1 files changed, 0 insertions, 233 deletions
diff --git a/test-runner/src/android/test/RenamingDelegatingContext.java b/test-runner/src/android/test/RenamingDelegatingContext.java deleted file mode 100644 index 0ea43ab..0000000 --- a/test-runner/src/android/test/RenamingDelegatingContext.java +++ /dev/null @@ -1,233 +0,0 @@ -package android.test; - -import com.google.android.collect.Sets; - -import android.content.Context; -import android.content.ContextWrapper; -import android.content.ContentProvider; -import android.database.sqlite.SQLiteDatabase; -import android.os.FileUtils; -import android.util.Log; - -import java.io.File; -import java.io.FileInputStream; -import java.io.FileNotFoundException; -import java.io.FileOutputStream; -import java.util.Set; - -/** - * This is a class which delegates to the given context, but performs database - * and file operations with a renamed database/file name (prefixes default - * names with a given prefix). - */ -public class RenamingDelegatingContext extends ContextWrapper { - - private Context mFileContext; - private String mFilePrefix = null; - private File mCacheDir; - private final Object mSync = new Object(); - - private Set<String> mDatabaseNames = Sets.newHashSet(); - private Set<String> mFileNames = Sets.newHashSet(); - - public static <T extends ContentProvider> T providerWithRenamedContext( - Class<T> contentProvider, Context c, String filePrefix) - throws IllegalAccessException, InstantiationException { - return providerWithRenamedContext(contentProvider, c, filePrefix, false); - } - - public static <T extends ContentProvider> T providerWithRenamedContext( - Class<T> contentProvider, Context c, String filePrefix, - boolean allowAccessToExistingFilesAndDbs) - throws IllegalAccessException, InstantiationException { - Class<T> mProviderClass = contentProvider; - T mProvider = mProviderClass.newInstance(); - RenamingDelegatingContext mContext = new RenamingDelegatingContext(c, filePrefix); - if (allowAccessToExistingFilesAndDbs) { - mContext.makeExistingFilesAndDbsAccessible(); - } - mProvider.attachInfo(mContext, null); - return mProvider; - } - - /** - * Makes accessible all files and databases whose names match the filePrefix that was passed to - * the constructor. Normally only files and databases that were created through this context are - * accessible. - */ - public void makeExistingFilesAndDbsAccessible() { - String[] databaseList = mFileContext.databaseList(); - for (String diskName : databaseList) { - if (shouldDiskNameBeVisible(diskName)) { - mDatabaseNames.add(publicNameFromDiskName(diskName)); - } - } - String[] fileList = mFileContext.fileList(); - for (String diskName : fileList) { - if (shouldDiskNameBeVisible(diskName)) { - mFileNames.add(publicNameFromDiskName(diskName)); - } - } - } - - /** - * Returns if the given diskName starts with the given prefix or not. - * @param diskName name of the database/file. - */ - boolean shouldDiskNameBeVisible(String diskName) { - return diskName.startsWith(mFilePrefix); - } - - /** - * Returns the public name (everything following the prefix) of the given diskName. - * @param diskName name of the database/file. - */ - String publicNameFromDiskName(String diskName) { - if (!shouldDiskNameBeVisible(diskName)) { - throw new IllegalArgumentException("disk file should not be visible: " + diskName); - } - return diskName.substring(mFilePrefix.length(), diskName.length()); - } - - /** - * @param context : the context that will be delagated. - * @param filePrefix : a prefix with which database and file names will be - * prefixed. - */ - public RenamingDelegatingContext(Context context, String filePrefix) { - super(context); - mFileContext = context; - mFilePrefix = filePrefix; - } - - /** - * @param context : the context that will be delagated. - * @param fileContext : the context that file and db methods will be delgated to - * @param filePrefix : a prefix with which database and file names will be - * prefixed. - */ - public RenamingDelegatingContext(Context context, Context fileContext, String filePrefix) { - super(context); - mFileContext = fileContext; - mFilePrefix = filePrefix; - } - - public String getDatabasePrefix() { - return mFilePrefix; - } - - private String renamedFileName(String name) { - return mFilePrefix + name; - } - - @Override - public SQLiteDatabase openOrCreateDatabase(String name, - int mode, SQLiteDatabase.CursorFactory factory) { - final String internalName = renamedFileName(name); - if (!mDatabaseNames.contains(name)) { - mDatabaseNames.add(name); - mFileContext.deleteDatabase(internalName); - } - return mFileContext.openOrCreateDatabase(internalName, mode, factory); - } - - @Override - public boolean deleteDatabase(String name) { - if (mDatabaseNames.contains(name)) { - mDatabaseNames.remove(name); - return mFileContext.deleteDatabase(renamedFileName(name)); - } else { - return false; - } - } - - @Override - public File getDatabasePath(String name) { - return mFileContext.getDatabasePath(renamedFileName(name)); - } - - @Override - public String[] databaseList() { - return mDatabaseNames.toArray(new String[]{}); - } - - @Override - public FileInputStream openFileInput(String name) - throws FileNotFoundException { - final String internalName = renamedFileName(name); - if (mFileNames.contains(name)) { - return mFileContext.openFileInput(internalName); - } else { - throw new FileNotFoundException(internalName); - } - } - - @Override - public FileOutputStream openFileOutput(String name, int mode) - throws FileNotFoundException { - mFileNames.add(name); - return mFileContext.openFileOutput(renamedFileName(name), mode); - } - - @Override - public File getFileStreamPath(String name) { - return mFileContext.getFileStreamPath(renamedFileName(name)); - } - - @Override - public boolean deleteFile(String name) { - if (mFileNames.contains(name)) { - mFileNames.remove(name); - return mFileContext.deleteFile(renamedFileName(name)); - } else { - return false; - } - } - - @Override - public String[] fileList() { - return mFileNames.toArray(new String[]{}); - } - - /** - * In order to support calls to getCacheDir(), we create a temp cache dir (inside the real - * one) and return it instead. This code is basically getCacheDir(), except it uses the real - * cache dir as the parent directory and creates a test cache dir inside that. - */ - @Override - public File getCacheDir() { - synchronized (mSync) { - if (mCacheDir == null) { - mCacheDir = new File(mFileContext.getCacheDir(), renamedFileName("cache")); - } - if (!mCacheDir.exists()) { - if(!mCacheDir.mkdirs()) { - Log.w("RenamingDelegatingContext", "Unable to create cache directory"); - return null; - } - FileUtils.setPermissions( - mCacheDir.getPath(), - FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IXOTH, - -1, -1); - } - } - return mCacheDir; - } - - -// /** -// * Given an array of files returns only those whose names indicate that they belong to this -// * context. -// * @param allFiles the original list of files -// * @return the pruned list of files -// */ -// private String[] prunedFileList(String[] allFiles) { -// List<String> files = Lists.newArrayList(); -// for (String file : allFiles) { -// if (file.startsWith(mFilePrefix)) { -// files.add(file); -// } -// } -// return files.toArray(new String[]{}); -// } -}
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