Example usage for org.springframework.integration.file.remote.session Session append

Introduction

In this page you can find the example usage for org.springframework.integration.file.remote.session Session append.

Prototype

void append(InputStream inputStream, String destination) throws IOException;

Source Link

Document

Append to a file.

Usage

From source file:org.springframework.integration.file.remote.RemoteFileTemplate.java

private void sendFileToRemoteDirectory(InputStream inputStream, String temporaryRemoteDirectory,
        String remoteDirectory, String fileName, Session<F> session, FileExistsMode mode) throws IOException {

    remoteDirectory = this.normalizeDirectoryPath(remoteDirectory);
    temporaryRemoteDirectory = this.normalizeDirectoryPath(temporaryRemoteDirectory);

    String remoteFilePath = remoteDirectory + fileName;
    String tempRemoteFilePath = temporaryRemoteDirectory + fileName;
    // write remote file first with temporary file extension if enabled

    String tempFilePath = tempRemoteFilePath + (this.useTemporaryFileName ? this.temporaryFileSuffix : "");

    if (this.autoCreateDirectory) {
        try {/*from  w w  w.  j a  va 2 s. c o m*/
            RemoteFileUtils.makeDirectories(remoteDirectory, session, this.remoteFileSeparator, this.logger);
        } catch (IllegalStateException e) {
            // Revert to old FTP behavior if recursive mkdir fails, for backwards compatibility
            session.mkdir(remoteDirectory);
        }
    }

    try {
        boolean rename = this.useTemporaryFileName;
        if (FileExistsMode.REPLACE.equals(mode)) {
            session.write(inputStream, tempFilePath);
        } else if (FileExistsMode.APPEND.equals(mode)) {
            session.append(inputStream, tempFilePath);
        } else {
            if (exists(remoteFilePath)) {
                if (FileExistsMode.FAIL.equals(mode)) {
                    throw new MessagingException(
                            "The destination file already exists at '" + remoteFilePath + "'.");
                } else {
                    if (this.logger.isDebugEnabled()) {
                        this.logger.debug("File not transferred to '" + remoteFilePath + "'; already exists.");
                    }
                }
                rename = false;
            } else {
                session.write(inputStream, tempFilePath);
            }
        }
        // then rename it to its final name if necessary
        if (rename) {
            session.rename(tempFilePath, remoteFilePath);
        }
    } catch (Exception e) {
        throw new MessagingException("Failed to write to '" + tempFilePath + "' while uploading the file", e);
    } finally {
        inputStream.close();
    }
}

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