Java RowBuilder类代码示例

import android.database.MatrixCursor.RowBuilder; //导入依赖的package包/类
private MatrixCursor getCheckConnectionCursor(Uri uri) {
    try
    {
        checkConnection(uri);
        Log.d("KP2A_FC_P", "checking connection for " + uri + " ok.");
        return null;
    }
    catch (Exception e)
    {
        Log.d("KP2A_FC_P","Check connection failed with: " + e.toString());

        MatrixCursor matrixCursor = new MatrixCursor(BaseFileProviderUtils.CONNECTION_CHECK_CURSOR_COLUMNS);
        RowBuilder newRow = matrixCursor.newRow();
        String message = e.getLocalizedMessage();
        if (message == null)
            message = e.getMessage();
        if (message == null)
            message = e.toString();
        newRow.add(message);
        return matrixCursor;
    }
}
 

import android.database.MatrixCursor.RowBuilder; //导入依赖的package包/类
private RowBuilder addFileInfo(MatrixCursor matrixCursor, int id,
		FileEntry f) {
	int type = !f.isDirectory ? BaseFile.FILE_TYPE_FILE : BaseFile.FILE_TYPE_DIRECTORY;
	RowBuilder newRow = matrixCursor.newRow();
	newRow.add(id);// _ID
	newRow.add(BaseFile
	        .genContentIdUriBase(
	                getAuthority())
	        .buildUpon().appendPath(f.path)
	        .build().toString());
	newRow.add(f.path);
	if (f.displayName == null)
		Log.w("KP2AJ", "displayName is null for " + f.path);
	newRow.add(f.displayName);
	newRow.add(f.canRead ? 1 : 0);
	newRow.add(f.canWrite ? 1 : 0);
	newRow.add(f.sizeInBytes);
	newRow.add(type);
	if (f.lastModifiedTime > 0)
		newRow.add(f.lastModifiedTime);
	else 
		newRow.add(null);
	newRow.add(FileUtils.getResIcon(type, f.displayName));
	return newRow;
}
 

import android.database.MatrixCursor.RowBuilder; //导入依赖的package包/类
private void addDeletedFileInfo(MatrixCursor matrixCursor, String filename) {
   	int type = BaseFile.FILE_TYPE_NOT_EXISTED;
   	RowBuilder newRow = matrixCursor.newRow();
	newRow.add(0);// _ID
	newRow.add(BaseFile
	        .genContentIdUriBase(
	                getAuthority())
	        .buildUpon().appendPath(filename)
	        .build().toString());
	newRow.add(filename);
	newRow.add(filename);
	newRow.add(0);
	newRow.add(0);
	newRow.add(0);
	newRow.add(type);
	newRow.add(null);
	newRow.add(FileUtils.getResIcon(type, filename));
}
 

import android.database.MatrixCursor.RowBuilder; //导入依赖的package包/类
@Override
public Cursor query(final Uri uri, final String[] projection, final String selection, final String[] selectionArgs, final String sortOrder)
{
    final File file = new File(uri.getPath());

    if (!file.getAbsolutePath().startsWith(getContext().getCacheDir().getAbsolutePath()))
        throw new IllegalArgumentException("not in cache dir: " + uri);

    final MatrixCursor cursor = new MatrixCursor(projection);
    final RowBuilder row = cursor.newRow();
    for (int i = 0; i < projection.length; i++)
    {
        final String columnName = projection[i];
        if (columnName.equals(MediaStore.MediaColumns.DATA))
            row.add(file.getAbsolutePath());
        else if (columnName.equals(MediaStore.MediaColumns.SIZE))
            row.add(file.length());
        else if (columnName.equals(MediaStore.MediaColumns.DISPLAY_NAME))
            row.add(uri.getLastPathSegment());
        else
            throw new IllegalArgumentException("cannot handle: " + columnName);
    }

    return cursor;
}
 

import android.database.MatrixCursor.RowBuilder; //导入依赖的package包/类
private Cursor createPinnedSitesCursor(Integer[] positions) {
    MatrixCursor c = new MatrixCursor(PINNED_SITES_COLUMNS);

    if (positions == null) {
        return c;
    }

    for (int i = 0; i < positions.length; i++) {
        int position = positions[i];

        RowBuilder row = c.newRow();
        row.add(-1);
        row.add(PINNED_PREFIX + "url" + i);
        row.add(PINNED_PREFIX + "title" + i);
        row.add(position);
    }

    return c;
}
 

import android.database.MatrixCursor.RowBuilder; //导入依赖的package包/类
/**
 * Retrieves file information of a single file.
 * 
 * @param uri
 *            the URI pointing to a file.
 * @return the file information. Can be {@code null}, based on the input
 *         parameters.
 */
private MatrixCursor doRetrieveFileInfo(Uri uri) {
    MatrixCursor matrixCursor = BaseFileProviderUtils.newBaseFileCursor();

    File file = extractFile(uri);
    int type = file.isFile() ? BaseFile._FileTypeFile
            : (file.isDirectory() ? BaseFile._FileTypeDirectory : (file
                    .exists() ? BaseFile._FileTypeUnknown
                    : BaseFile._FileTypeNotExisted));
    RowBuilder newRow = matrixCursor.newRow();
    newRow.add(0);// _ID
    newRow.add(BaseFile.genContentIdUriBase(LocalFileContract._Authority)
            .buildUpon().appendPath(Uri.fromFile(file).toString()).build()
            .toString());
    newRow.add(file.getAbsolutePath());
    newRow.add(file.getName());
    newRow.add(file.canRead() ? 1 : 0);
    newRow.add(file.canWrite() ? 1 : 0);
    newRow.add(file.length());
    newRow.add(type);
    newRow.add(file.lastModified());
    newRow.add(FileUtils.getResIcon(type, file.getName()));

    return matrixCursor;
}
 

import android.database.MatrixCursor.RowBuilder; //导入依赖的package包/类
/**
 * Retrieves file information of a single file.
 * 
 * @param uri
 *            the URI pointing to a file.
 * @return the file information. Can be {@code null}, based on the input
 *         parameters.
 */
private MatrixCursor doRetrieveFileInfo(Uri uri) {
    MatrixCursor matrixCursor = BaseFileProviderUtils.newBaseFileCursor();

    File file = extractFile(uri);
    int type = file.isFile() ? BaseFile.FILE_TYPE_FILE : (file
            .isDirectory() ? BaseFile.FILE_TYPE_DIRECTORY
            : (file.exists() ? BaseFile.FILE_TYPE_UNKNOWN
                    : BaseFile.FILE_TYPE_NOT_EXISTED));
    RowBuilder newRow = matrixCursor.newRow();
    newRow.add(0);// _ID
    newRow.add(BaseFile
            .genContentIdUriBase(
                    LocalFileContract.getAuthority(getContext()))
            .buildUpon().appendPath(Uri.fromFile(file).toString()).build()
            .toString());
    newRow.add(Uri.fromFile(file).toString());
    newRow.add(file.getName());
    newRow.add(file.canRead() ? 1 : 0);
    newRow.add(file.canWrite() ? 1 : 0);
    newRow.add(file.length());
    newRow.add(type);
    newRow.add(file.lastModified());
    newRow.add(FileUtils.getResIcon(type, file.getName()));

    return matrixCursor;
}
 

import android.database.MatrixCursor.RowBuilder; //导入依赖的package包/类
private void addRow(MatrixCursor c, String url, String title, int type, String data) {
    final RowBuilder row = c.newRow();
    row.add(-1);
    row.add(url);
    row.add(title);
    row.add(type);
    row.add(data);
}
 

import android.database.MatrixCursor.RowBuilder; //导入依赖的package包/类
private Cursor createTopSitesCursor(int count) {
    MatrixCursor c = new MatrixCursor(TOP_SITES_COLUMNS);

    for (int i = 0; i < count; i++) {
        RowBuilder row = c.newRow();
        row.add(-1);
        row.add(TOP_PREFIX + "url" + i);
        row.add(TOP_PREFIX + "title" + i);
        row.add(i);
        row.add(i);
    }

    return c;
}
 

import android.database.MatrixCursor.RowBuilder; //导入依赖的package包/类
private Cursor createSuggestedSitesCursor(int count) {
    MatrixCursor c = new MatrixCursor(SUGGESTED_SITES_COLUMNS);

    for (int i = 0; i < count; i++) {
        RowBuilder row = c.newRow();
        row.add(-1);
        row.add(SUGGESTED_PREFIX + "url" + i);
        row.add(SUGGESTED_PREFIX + "title" + i);
    }

    return c;
}
 

import android.database.MatrixCursor.RowBuilder; //导入依赖的package包/类
public void includeDefault() {
  final ArrayList<String> defaultColumns =
    new ArrayList<>(songsColumns.length + 1);
  defaultColumns.addAll(Arrays.asList(songsColumns));
  defaultColumns.add(BaseColumns._ID);
  final MatrixCursor defaultsCursor = new MatrixCursor(defaultColumns.toArray(
          new String[defaultColumns.size()]));
  RowBuilder row = defaultsCursor.newRow();
  row.add("Default");
  row.add(DEFAULT_TONE_INDEX);
  includeStaticCursor(defaultsCursor);
}
 

import android.database.MatrixCursor.RowBuilder; //导入依赖的package包/类
public static Cursor query( Context context ) {
	MatrixCursor cursor = new MatrixCursor( new String [] {
		KEY
	}, 1 );
	Status status = Status.from( context );
	RowBuilder row = cursor.newRow();
	row.add( Integer.valueOf( status.value() ) );
	return cursor;
}
 

import android.database.MatrixCursor.RowBuilder; //导入依赖的package包/类
@Override
public Cursor queryRoots(String[] projection) throws FileNotFoundException {
    final MatrixCursor result = new MatrixCursor(resolveRootProjection(projection));
    final RowBuilder row = result.newRow();
    row.add(Root.COLUMN_ROOT_ID, DOC_ID_ROOT);
    row.add(Root.COLUMN_FLAGS,
            Root.FLAG_LOCAL_ONLY | Root.FLAG_SUPPORTS_RECENTS | Root.FLAG_SUPPORTS_CREATE);
    row.add(Root.COLUMN_ICON, R.mipmap.ic_launcher_download);
    row.add(Root.COLUMN_TITLE, getContext().getString(R.string.root_downloads));
    row.add(Root.COLUMN_DOCUMENT_ID, DOC_ID_ROOT);
    return result;
}
 

import android.database.MatrixCursor.RowBuilder; //导入依赖的package包/类
private void includeDefaultDocument(MatrixCursor result) {
    final RowBuilder row = result.newRow();
    row.add(Document.COLUMN_DOCUMENT_ID, DOC_ID_ROOT);
    row.add(Document.COLUMN_MIME_TYPE, Document.MIME_TYPE_DIR);
    row.add(Document.COLUMN_FLAGS,
            Document.FLAG_DIR_PREFERS_LAST_MODIFIED | Document.FLAG_DIR_SUPPORTS_CREATE);
}
 

import android.database.MatrixCursor.RowBuilder; //导入依赖的package包/类
/**
 * Appends file name and real URI into {@code cursor}.
 * 
 * @param cursor
 *            the original cursor. It will be closed when done.
 * @return the new cursor.
 */
private Cursor appendNameAndRealUri(Cursor cursor) {
    if (cursor == null || cursor.getCount() == 0)
        return cursor;

    final int colUri = cursor.getColumnIndex(HistoryContract.COLUMN_URI);
    if (colUri < 0)
        return cursor;

    String[] columns = new String[cursor.getColumnCount()
            + ADDITIONAL_COLUMNS.length];
    System.arraycopy(cursor.getColumnNames(), 0, columns, 0,
            cursor.getColumnCount());
    System.arraycopy(ADDITIONAL_COLUMNS, 0, columns,
            cursor.getColumnCount(), ADDITIONAL_COLUMNS.length);

    MatrixCursor result = new MatrixCursor(columns);
    if (cursor.moveToFirst()) {
        do {
            RowBuilder builder = result.newRow();

            Cursor fileInfo = null;
            for (int i = 0; i < cursor.getColumnCount(); i++) {
                String data = cursor.getString(i);
                builder.add(data);

                if (i == colUri)
                    fileInfo = getContext().getContentResolver().query(
                            Uri.parse(data), null, null, null, null);
            }

            if (fileInfo != null) {
                if (fileInfo.moveToFirst()) {
                    builder.add(BaseFileProviderUtils.getFileName(fileInfo));
                    builder.add(BaseFileProviderUtils.getRealUri(fileInfo)
                            .toString());
                }
                fileInfo.close();
            }
        } while (cursor.moveToNext());
    }// if

    cursor.close();

    return result;
}