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@ -45,16 +45,16 @@ public class MetadataDbHelper extends SQLiteOpenHelper {
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private static final int METADATA_DATABASE_INITIAL_VERSION = 3;
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// This is the first released version of the database that implements CLIENTID. It is
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// used to identify the versions for upgrades. This should never change going forward.
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private static final int METADATA_DATABASE_VERSION_WITH_CLIENTID = 5;
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private static final int METADATA_DATABASE_VERSION_WITH_CLIENTID = 6;
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// This is the current database version. It should be updated when the database schema
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// gets updated. It is passed to the framework constructor of SQLiteOpenHelper, so
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// that's what the framework uses to track our database version.
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private static final int METADATA_DATABASE_VERSION = 5;
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private static final int METADATA_DATABASE_VERSION = 6;
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private final static long NOT_A_DOWNLOAD_ID = -1;
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public static final String METADATA_TABLE_NAME = "pendingUpdates";
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private static final String CLIENT_TABLE_NAME = "clients";
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static final String CLIENT_TABLE_NAME = "clients";
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public static final String PENDINGID_COLUMN = "pendingid"; // Download Manager ID
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public static final String TYPE_COLUMN = "type";
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public static final String STATUS_COLUMN = "status";
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@ -73,6 +73,7 @@ public class MetadataDbHelper extends SQLiteOpenHelper {
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private static final String CLIENT_CLIENT_ID_COLUMN = "clientid";
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private static final String CLIENT_METADATA_URI_COLUMN = "uri";
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private static final String CLIENT_METADATA_ADDITIONAL_ID_COLUMN = "additionalid";
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private static final String CLIENT_LAST_UPDATE_DATE_COLUMN = "lastupdate";
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private static final String CLIENT_PENDINGID_COLUMN = "pendingid"; // Download Manager ID
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@ -128,6 +129,7 @@ public class MetadataDbHelper extends SQLiteOpenHelper {
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"CREATE TABLE IF NOT EXISTS " + CLIENT_TABLE_NAME + " ("
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+ CLIENT_CLIENT_ID_COLUMN + " TEXT, "
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+ CLIENT_METADATA_URI_COLUMN + " TEXT, "
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+ CLIENT_METADATA_ADDITIONAL_ID_COLUMN + " TEXT, "
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+ CLIENT_LAST_UPDATE_DATE_COLUMN + " INTEGER NOT NULL DEFAULT 0, "
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+ CLIENT_PENDINGID_COLUMN + " INTEGER, "
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+ FLAGS_COLUMN + " INTEGER, "
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@ -282,14 +284,15 @@ public class MetadataDbHelper extends SQLiteOpenHelper {
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* @return the string representation of the URI
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*/
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public static String getMetadataUriAsString(final Context context, final String clientId) {
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SQLiteDatabase defaultDb = getDb(context, null);
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final Cursor cursor = defaultDb.query(CLIENT_TABLE_NAME,
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new String[] { CLIENT_METADATA_URI_COLUMN },
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CLIENT_CLIENT_ID_COLUMN + " = ?", new String[] { clientId },
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SQLiteDatabase defaultDb = MetadataDbHelper.getDb(context, null);
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final Cursor cursor = defaultDb.query(MetadataDbHelper.CLIENT_TABLE_NAME,
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new String[] { MetadataDbHelper.CLIENT_METADATA_URI_COLUMN,
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MetadataDbHelper.CLIENT_METADATA_ADDITIONAL_ID_COLUMN },
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MetadataDbHelper.CLIENT_CLIENT_ID_COLUMN + " = ?", new String[] { clientId },
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null, null, null, null);
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try {
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if (!cursor.moveToFirst()) return null;
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return cursor.getString(0); // Only one column, return it
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return MetadataUriGetter.getUri(context, cursor.getString(0), cursor.getString(1));
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} finally {
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cursor.close();
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}
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@ -298,7 +301,8 @@ public class MetadataDbHelper extends SQLiteOpenHelper {
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/**
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* Update the last metadata update time for all clients using a particular URI.
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*
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* All clients using this metadata URI will be indicated as having been updated now.
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* This method searches for all clients using a particular URI and updates the last
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* update time for this client.
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* The current time is used as the latest update time. This saved date will be what
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* is returned henceforth by {@link #getLastUpdateDateForClient(Context, String)},
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* until this method is called again.
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@ -311,8 +315,22 @@ public class MetadataDbHelper extends SQLiteOpenHelper {
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final ContentValues values = new ContentValues();
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values.put(CLIENT_LAST_UPDATE_DATE_COLUMN, System.currentTimeMillis());
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final SQLiteDatabase defaultDb = getDb(context, null);
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defaultDb.update(CLIENT_TABLE_NAME, values,
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CLIENT_METADATA_URI_COLUMN + " = ?", new String[] { uri });
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final Cursor cursor = MetadataDbHelper.queryClientIds(context);
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if (null == cursor) return;
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try {
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if (!cursor.moveToFirst()) return;
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do {
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final String clientId = cursor.getString(0);
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final String metadataUri =
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MetadataDbHelper.getMetadataUriAsString(context, clientId);
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if (metadataUri.equals(uri)) {
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defaultDb.update(CLIENT_TABLE_NAME, values,
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CLIENT_CLIENT_ID_COLUMN + " = ?", new String[] { clientId });
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}
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} while (cursor.moveToNext());
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} finally {
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cursor.close();
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}
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}
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/**
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@ -727,11 +745,13 @@ public class MetadataDbHelper extends SQLiteOpenHelper {
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/**
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* Updates information relative to a specific client.
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*
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* Updatable information includes only the metadata URI, but may be expanded in the future.
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* Updatable information includes the metadata URI and the additional ID column. It may be
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* expanded in the future.
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* The passed values must include a client ID in the key CLIENT_CLIENT_ID_COLUMN, and it must
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* be equal to the string passed as an argument for clientId.
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* The passed values must also include a non-empty metadata URI in the
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* CLIENT_METADATA_URI_COLUMN column.
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* be equal to the string passed as an argument for clientId. It may not be empty.
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* The passed values must also include a non-null metadata URI in the
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* CLIENT_METADATA_URI_COLUMN column, as well as a non-null additional ID in the
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* CLIENT_METADATA_ADDITIONAL_ID_COLUMN. Both these strings may be empty.
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* If any of the above is not complied with, this function returns without updating data.
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*
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* @param context the context, to open the database
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@ -743,10 +763,16 @@ public class MetadataDbHelper extends SQLiteOpenHelper {
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// Sanity check the content values
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final String valuesClientId = values.getAsString(CLIENT_CLIENT_ID_COLUMN);
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final String valuesMetadataUri = values.getAsString(CLIENT_METADATA_URI_COLUMN);
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// Empty string is a valid client ID, but external apps may not configure it.
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// Empty string is a valid metadata URI if the client does not want updates.
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if (TextUtils.isEmpty(valuesClientId) || null == valuesMetadataUri) {
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// We need both these columns to be filled in
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final String valuesMetadataAdditionalId =
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values.getAsString(CLIENT_METADATA_ADDITIONAL_ID_COLUMN);
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// Empty string is a valid client ID, but external apps may not configure it, so disallow
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// both null and empty string.
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// Empty string is a valid metadata URI if the client does not want updates, so allow
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// empty string but disallow null.
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// Empty string is a valid additional ID so allow empty string but disallow null.
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if (TextUtils.isEmpty(valuesClientId) || null == valuesMetadataUri
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|| null == valuesMetadataAdditionalId) {
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// We need all these columns to be filled in
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Utils.l("Missing parameter for updateClientInfo");
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return;
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}
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@ -777,8 +803,9 @@ public class MetadataDbHelper extends SQLiteOpenHelper {
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* Register a download ID for a specific metadata URI.
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*
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* This method should be called when a download for a metadata URI is starting. It will
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* register the download ID for all clients using this metadata URI into the database
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* for later retrieval by {@link #getDownloadRecordsForDownloadId(Context, long)}.
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* search for all clients using this metadata URI and will register for each of them
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* the download ID into the database for later retrieval by
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* {@link #getDownloadRecordsForDownloadId(Context, long)}.
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*
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* @param context a context for opening databases
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* @param uri the metadata URI
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@ -789,8 +816,22 @@ public class MetadataDbHelper extends SQLiteOpenHelper {
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final ContentValues values = new ContentValues();
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values.put(CLIENT_PENDINGID_COLUMN, downloadId);
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final SQLiteDatabase defaultDb = getDb(context, "");
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defaultDb.update(CLIENT_TABLE_NAME, values,
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CLIENT_METADATA_URI_COLUMN + " = ?", new String[] { uri });
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final Cursor cursor = MetadataDbHelper.queryClientIds(context);
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if (null == cursor) return;
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try {
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if (!cursor.moveToFirst()) return;
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do {
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final String clientId = cursor.getString(0);
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final String metadataUri =
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MetadataDbHelper.getMetadataUriAsString(context, clientId);
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if (metadataUri.equals(uri)) {
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defaultDb.update(CLIENT_TABLE_NAME, values,
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CLIENT_CLIENT_ID_COLUMN + " = ?", new String[] { clientId });
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}
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} while (cursor.moveToNext());
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} finally {
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cursor.close();
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}
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}
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/**
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