Java FilenameUtils.getPrefix方法代碼示例

import org.apache.commons.io.FilenameUtils; //導入方法依賴的package包/類
private String parent(final String absolute) {
    final String prefix = FilenameUtils.getPrefix(absolute);
    if(absolute.equals(prefix)) {
        return null;
    }
    int index = absolute.length() - 1;
    if(absolute.charAt(index) == this.getDelimiter()) {
        if(index > 0) {
            index--;
        }
    }
    final int cut = absolute.lastIndexOf(this.getDelimiter(), index);
    if(cut > FilenameUtils.getPrefixLength(absolute)) {
        return absolute.substring(0, cut);
    }
    return String.valueOf(prefix);
}
 

import org.apache.commons.io.FilenameUtils; //導入方法依賴的package包/類
@Override
public CompletableFuture<Response> handle(Command command, Arguments arguments, Response response, IDebugAdapterContext context) {
    if (context.getDebugSession() == null) {
        return AdapterUtils.createAsyncErrorResponse(response, ErrorCode.EMPTY_DEBUG_SESSION, "Empty debug session.");
    }

    SetBreakpointArguments bpArguments = (SetBreakpointArguments) arguments;
    String clientPath = bpArguments.source.path;
    if (AdapterUtils.isWindows()) {
        // VSCode may send drive letters with inconsistent casing which will mess up the key
        // in the BreakpointManager. See https://github.com/Microsoft/vscode/issues/6268
        // Normalize the drive letter casing. Note that drive letters
        // are not localized so invariant is safe here.
        String drivePrefix = FilenameUtils.getPrefix(clientPath);
        if (drivePrefix != null && drivePrefix.length() >= 2
                && Character.isLowerCase(drivePrefix.charAt(0)) && drivePrefix.charAt(1) == ':') {
            drivePrefix = drivePrefix.substring(0, 2); // d:\ is an illegal regex string, convert it to d:
            clientPath = clientPath.replaceFirst(drivePrefix, drivePrefix.toUpperCase());
        }
    }
    String sourcePath = clientPath;
    if (bpArguments.source.sourceReference != 0 && context.getSourceUri(bpArguments.source.sourceReference) != null) {
        sourcePath = context.getSourceUri(bpArguments.source.sourceReference);
    } else if (StringUtils.isNotBlank(clientPath)) {
        // See the bug https://github.com/Microsoft/vscode/issues/30996
        // Source.path in the SetBreakpointArguments could be a file system path or uri.
        sourcePath = AdapterUtils.convertPath(clientPath, AdapterUtils.isUri(clientPath), context.isDebuggerPathsAreUri());
    }

    // When breakpoint source path is null or an invalid file path, send an ErrorResponse back.
    if (StringUtils.isBlank(sourcePath)) {
        return AdapterUtils.createAsyncErrorResponse(response, ErrorCode.SET_BREAKPOINT_FAILURE,
                    String.format("Failed to setBreakpoint. Reason: '%s' is an invalid path.", bpArguments.source.path));
    }

    try {
        List<Types.Breakpoint> res = new ArrayList<>();
        IBreakpoint[] toAdds = this.convertClientBreakpointsToDebugger(sourcePath, bpArguments.breakpoints, context);
        // See the VSCode bug https://github.com/Microsoft/vscode/issues/36471.
        // The source uri sometimes is encoded by VSCode, the debugger will decode it to keep the uri consistent.
        IBreakpoint[] added = manager.setBreakpoints(AdapterUtils.decodeURIComponent(sourcePath), toAdds, bpArguments.sourceModified);
        for (int i = 0; i < bpArguments.breakpoints.length; i++) {
            // For newly added breakpoint, should install it to debuggee first.
            if (toAdds[i] == added[i] && added[i].className() != null) {
                added[i].install().thenAccept(bp -> {
                    Events.BreakpointEvent bpEvent = new Events.BreakpointEvent("new", this.convertDebuggerBreakpointToClient(bp, context));
                    context.getProtocolServer().sendEvent(bpEvent);
                });
            } else if (toAdds[i].hitCount() != added[i].hitCount() && added[i].className() != null) {
                // Update hitCount condition.
                added[i].setHitCount(toAdds[i].hitCount());
            }
            res.add(this.convertDebuggerBreakpointToClient(added[i], context));
        }
        response.body = new Responses.SetBreakpointsResponseBody(res);
        return CompletableFuture.completedFuture(response);
    } catch (DebugException e) {
        return AdapterUtils.createAsyncErrorResponse(response,
                ErrorCode.SET_BREAKPOINT_FAILURE,
                String.format("Failed to setBreakpoint. Reason: '%s'", e.toString()));
    }
}