rmsadapter.java

来自「这个范例程序演示了利用j2me技术开发无线服务器支持的应用。这是一个电影票订购程」· Java 代码 · 共 603 行 · 第 1/2 页

            throw new ApplicationException(rse);
        } 
    } 

    public int storeTheaterSchedule(TheaterSchedule theaterSchedule, 
                                    int recordId) throws ApplicationException {
        try {
            ByteArrayOutputStream stream = new ByteArrayOutputStream();
            DataOutputStream dataStream = new DataOutputStream(stream);

            theaterSchedule.serialize(dataStream, false);    // Movies are
            // not serialized as part of the theater schedule
            dataStream.flush();

            if (recordId > 0) {
                remoteDataRecordStore.setRecord(recordId, 
                                                stream.toByteArray(), 0, 
                                                stream.size());
            } else {
                recordId = 
                    remoteDataRecordStore.addRecord(stream.toByteArray(), 0, 
                                                    stream.size());
            } 

            return recordId;
        } catch (IOException ioe) {
            throw new ApplicationException(ioe);
        } catch (RecordStoreException rse) {
            rse.printStackTrace();

            throw new ApplicationException(rse);
        } 
    } 

    public void deleteTheaterSchedule(int recordId) 
            throws ApplicationException {
        delete(remoteDataRecordStore, recordId);

        return;
    } 

    public Movie loadMovie(int recordId) throws ApplicationException {
        try {
            byte[] data = remoteDataRecordStore.getRecord(recordId);

            return Movie.deserialize(new DataInputStream(new ByteArrayInputStream(data)));
        } catch (RecordStoreException rse) {
            rse.printStackTrace();

            throw new ApplicationException(rse);
        } 
    } 

    public int storeMovie(Movie movie, 
                          int recordId) throws ApplicationException {
        try {
            ByteArrayOutputStream stream = new ByteArrayOutputStream();
            DataOutputStream dataStream = new DataOutputStream(stream);

            movie.serialize(dataStream);
            dataStream.flush();

            if (recordId > 0) {
                remoteDataRecordStore.setRecord(recordId, 
                                                stream.toByteArray(), 0, 
                                                stream.size());
            } else {
                recordId = 
                    remoteDataRecordStore.addRecord(stream.toByteArray(), 0, 
                                                    stream.size());
            } 

            return recordId;
        } catch (IOException ioe) {
            throw new ApplicationException(ioe);
        } catch (RecordStoreException rse) {
            rse.printStackTrace();

            throw new ApplicationException(rse);
        } 
    } 

    public void deleteMovie(int recordId) throws ApplicationException {
        delete(remoteDataRecordStore, recordId);

        return;
    } 

    public MovieRating loadMovieRating(int recordId) 
            throws ApplicationException {
        try {
            byte[] data = remoteDataRecordStore.getRecord(recordId);

            return MovieRating.deserialize(new DataInputStream(new ByteArrayInputStream(data)));
        } catch (RecordStoreException rse) {
            rse.printStackTrace();

            throw new ApplicationException(rse);
        } 
    } 

    public int storeMovieRating(MovieRating movieRating, 
                                int recordId) throws ApplicationException {
        try {
            ByteArrayOutputStream stream = new ByteArrayOutputStream();
            DataOutputStream dataStream = new DataOutputStream(stream);

            movieRating.serialize(dataStream);
            dataStream.flush();

            if (recordId > 0) {
                remoteDataRecordStore.setRecord(recordId, 
                                                stream.toByteArray(), 0, 
                                                stream.size());
            } else {
                recordId = 
                    remoteDataRecordStore.addRecord(stream.toByteArray(), 0, 
                                                    stream.size());
            } 

            return recordId;
        } catch (IOException ioe) {
            throw new ApplicationException(ioe);
        } catch (RecordStoreException rse) {
            rse.printStackTrace();

            throw new ApplicationException(rse);
        } 
    } 

    public void deleteMovieRating(int recordId) throws ApplicationException {
        delete(remoteDataRecordStore, recordId);

        return;
    } 

    public Preferences loadPreferences(int recordId) 
            throws ApplicationException {
        try {
            byte[] data = localDataRecordStore.getRecord(recordId);

            return Preferences.deserialize(new DataInputStream(new ByteArrayInputStream(data)));
        } catch (RecordStoreException rse) {
            rse.printStackTrace();

            throw new ApplicationException(rse);
        } 
    } 

    public int storePreferences(Preferences preferences, 
                                int recordId) throws ApplicationException {
        try {
            ByteArrayOutputStream stream = new ByteArrayOutputStream();
            DataOutputStream dataStream = new DataOutputStream(stream);

            preferences.serialize(dataStream);
            dataStream.flush();

            if (recordId > 0) {
                localDataRecordStore.setRecord(recordId, 
                                               stream.toByteArray(), 0, 
                                               stream.size());
            } else {
                recordId = 
                    localDataRecordStore.addRecord(stream.toByteArray(), 0, 
                                                   stream.size());
            } 

            return recordId;
        } catch (IOException ioe) {
            throw new ApplicationException(ioe);
        } catch (RecordStoreException rse) {
            rse.printStackTrace();

            throw new ApplicationException(rse);
        } 
    } 

    public SyncAnchor loadSyncAnchor(int recordId) 
            throws ApplicationException {
        try {
            byte[] data = localDataRecordStore.getRecord(recordId);

            return SyncAnchor.deserialize(new DataInputStream(new ByteArrayInputStream(data)));
        } catch (RecordStoreException rse) {
            throw new ApplicationException(rse);
        } 
    } 

    public int storeSyncAnchor(SyncAnchor syncAnchor, 
                               int recordId) throws ApplicationException {
        try {
            ByteArrayOutputStream stream = new ByteArrayOutputStream();
            DataOutputStream dataStream = new DataOutputStream(stream);

            syncAnchor.serialize(dataStream);
            dataStream.flush();

            if (recordId > 0) {
                localDataRecordStore.setRecord(recordId, 
                                               stream.toByteArray(), 0, 
                                               stream.size());
            } else {
                recordId = 
                    localDataRecordStore.addRecord(stream.toByteArray(), 0, 
                                                   stream.size());
            } 

            return recordId;
        } catch (IOException ioe) {
            throw new ApplicationException(ioe);
        } catch (RecordStoreException rse) {
            rse.printStackTrace();

            throw new ApplicationException(rse);
        } 
    } 

    public AccountInfo loadAccountInfo(int recordId) 
            throws ApplicationException {
        try {
            byte[] data = localDataRecordStore.getRecord(recordId);

            return AccountInfo.deserialize(new DataInputStream(new ByteArrayInputStream(data)));
        } catch (RecordStoreException rse) {
            rse.printStackTrace();

            throw new ApplicationException(rse);
        } 
    } 

    public int storeAccountInfo(AccountInfo accountInfo, 
                                int recordId) throws ApplicationException {
        try {
            ByteArrayOutputStream stream = new ByteArrayOutputStream();
            DataOutputStream dataStream = new DataOutputStream(stream);

            accountInfo.serialize(dataStream);
            dataStream.flush();

            if (recordId > 0) {
                localDataRecordStore.setRecord(recordId, 
                                               stream.toByteArray(), 0, 
                                               stream.size());
            } else {
                recordId = 
                    localDataRecordStore.addRecord(stream.toByteArray(), 0, 
                                                   stream.size());
            } 

            return recordId;
        } catch (IOException ioe) {
            throw new ApplicationException(ioe);
        } catch (RecordStoreException rse) {
            rse.printStackTrace();

            throw new ApplicationException(rse);
        } 
    } 

    public IndexedResourceBundle loadResourceBundle(int recordId) 
            throws ApplicationException {
        try {
            byte[] data = localDataRecordStore.getRecord(recordId);

            return IndexedResourceBundle.deserialize(new DataInputStream(new ByteArrayInputStream(data)));
        } catch (RecordStoreException rse) {
            throw new ApplicationException(rse);
        } 
    } 

    public int storeResourceBundle(IndexedResourceBundle bundle, 
                                   int recordId) throws ApplicationException {
        try {
            ByteArrayOutputStream stream = new ByteArrayOutputStream();
            DataOutputStream dataStream = new DataOutputStream(stream);

            bundle.serialize(dataStream);
            dataStream.flush();

            if (recordId > 0) {
                localDataRecordStore.setRecord(recordId, 
                                               stream.toByteArray(), 0, 
                                               stream.size());
            } else {
                recordId = 
                    localDataRecordStore.addRecord(stream.toByteArray(), 0, 
                                                   stream.size());
            } 

            return recordId;
        } catch (IOException ioe) {
            throw new ApplicationException(ioe);
        } catch (RecordStoreException rse) {
            throw new ApplicationException(rse);
        } 
    } 

}