Java FileUtil.hasLeadingSeparator方法代码示例

import org.apache.camel.util.FileUtil; //导入方法依赖的package包/类
private RemoteFile<ChannelSftp.LsEntry> asRemoteFile(String absolutePath, ChannelSftp.LsEntry file, String charset) {
    RemoteFile<ChannelSftp.LsEntry> answer = new RemoteFile<ChannelSftp.LsEntry>();

    answer.setCharset(charset);
    answer.setEndpointPath(endpointPath);
    answer.setFile(file);
    answer.setFileNameOnly(file.getFilename());
    answer.setFileLength(file.getAttrs().getSize());
    answer.setLastModified(file.getAttrs().getMTime() * 1000L);
    answer.setHostname(((RemoteFileConfiguration) endpoint.getConfiguration()).getHost());
    answer.setDirectory(file.getAttrs().isDir());

    // absolute or relative path
    boolean absolute = FileUtil.hasLeadingSeparator(absolutePath);
    answer.setAbsolute(absolute);

    // create a pseudo absolute name
    String dir = FileUtil.stripTrailingSeparator(absolutePath);
    String absoluteFileName = FileUtil.stripLeadingSeparator(dir + "/" + file.getFilename());
    // if absolute start with a leading separator otherwise let it be relative
    if (absolute) {
        absoluteFileName = "/" + absoluteFileName;
    }
    answer.setAbsoluteFilePath(absoluteFileName);

    // the relative filename, skip the leading endpoint configured path
    String relativePath = ObjectHelper.after(absoluteFileName, endpointPath);
    // skip trailing /
    relativePath = FileUtil.stripLeadingSeparator(relativePath);
    answer.setRelativeFilePath(relativePath);

    // the file name should be the relative path
    answer.setFileName(answer.getRelativeFilePath());

    return answer;
}
 

import org.apache.camel.util.FileUtil; //导入方法依赖的package包/类
public void changeCurrentDirectory(String path) throws GenericFileOperationFailedException {
    log.trace("changeCurrentDirectory({})", path);
    if (ObjectHelper.isEmpty(path)) {
        return;
    }

    // must compact path so FTP server can traverse correctly
    // use the ftp utils implementation of the compact path
    path = FtpUtils.compactPath(path);

    // not stepwise should change directory in one operation
    if (!endpoint.getConfiguration().isStepwise()) {
        doChangeDirectory(path);
        return;
    }

    // if it starts with the root path then a little special handling for that
    if (FileUtil.hasLeadingSeparator(path)) {
        // change to root path
        doChangeDirectory(path.substring(0, 1));
        path = path.substring(1);
    }

    // split into multiple dirs
    final String[] dirs = path.split("/|\\\\");

    if (dirs == null || dirs.length == 0) {
        // path was just a relative single path
        doChangeDirectory(path);
        return;
    }

    // there are multiple dirs so do this in chunks
    for (String dir : dirs) {
        doChangeDirectory(dir);
    }
}
 

import org.apache.camel.util.FileUtil; //导入方法依赖的package包/类
/**
 * Checks whether directory used in ftp/ftps/sftp endpoint URI is relative.
 * Absolute path will be converted to relative path and a WARN will be printed.
 * @see <a href="http://camel.apache.org/ftp2.html">FTP/SFTP/FTPS Component</a>
 * @param ftpComponent
 * @param configuration
 */
public static void ensureRelativeFtpDirectory(Component ftpComponent, RemoteFileConfiguration configuration) {
    if (FileUtil.hasLeadingSeparator(configuration.getDirectoryName())) {
        String relativePath = FileUtil.stripLeadingSeparator(configuration.getDirectoryName());
        LOG.warn(String.format("%s doesn't support absolute paths, \"%s\" will be converted to \"%s\". "
                + "After Camel 2.16, absolute paths will be invalid.",
                ftpComponent.getClass().getSimpleName(),
                configuration.getDirectoryName(),
                relativePath));
        configuration.setDirectory(relativePath);
        configuration.setDirectoryName(relativePath);
    }
}
 

import org.apache.camel.util.FileUtil; //导入方法依赖的package包/类
private RemoteFile<FTPFile> asRemoteFile(String absolutePath, FTPFile file, String charset) {
    RemoteFile<FTPFile> answer = new RemoteFile<FTPFile>();

    answer.setCharset(charset);
    answer.setEndpointPath(endpointPath);
    answer.setFile(file);
    answer.setFileNameOnly(file.getName());
    answer.setFileLength(file.getSize());
    answer.setDirectory(file.isDirectory());
    if (file.getTimestamp() != null) {
        answer.setLastModified(file.getTimestamp().getTimeInMillis());
    }
    answer.setHostname(((RemoteFileConfiguration) endpoint.getConfiguration()).getHost());

    // absolute or relative path
    boolean absolute = FileUtil.hasLeadingSeparator(absolutePath);
    answer.setAbsolute(absolute);

    // create a pseudo absolute name
    String dir = FileUtil.stripTrailingSeparator(absolutePath);
    String absoluteFileName = FileUtil.stripLeadingSeparator(dir + "/" + file.getName());
    // if absolute start with a leading separator otherwise let it be relative
    if (absolute) {
        absoluteFileName = "/" + absoluteFileName;
    }
    answer.setAbsoluteFilePath(absoluteFileName);

    // the relative filename, skip the leading endpoint configured path
    String relativePath = ObjectHelper.after(absoluteFileName, endpointPath);
    // skip leading /
    relativePath = FileUtil.stripLeadingSeparator(relativePath);
    answer.setRelativeFilePath(relativePath);

    // the file name should be the relative path
    answer.setFileName(answer.getRelativeFilePath());

    return answer;
}
 

import org.apache.camel.util.FileUtil; //导入方法依赖的package包/类
public synchronized void changeCurrentDirectory(String path) throws GenericFileOperationFailedException {
    LOG.trace("changeCurrentDirectory({})", path);
    if (ObjectHelper.isEmpty(path)) {
        return;
    }

    // must compact path so SFTP server can traverse correctly, make use of the '/'
    // separator because JSch expects this as the file separator even on Windows
    String before = path;
    char separatorChar = '/';
    path = FileUtil.compactPath(path, separatorChar);
    if (LOG.isTraceEnabled()) {
        LOG.trace("Compacted path: {} -> {} using separator: {}", new Object[]{before, path, separatorChar});
    }

    // not stepwise should change directory in one operation
    if (!endpoint.getConfiguration().isStepwise()) {
        doChangeDirectory(path);
        return;
    }
    if (getCurrentDirectory().startsWith(path)) {
        // extract the path segment relative to the target path and make sure it keeps the preceding '/' for the regex op
        String p = getCurrentDirectory().substring(path.length() - (path.endsWith("/") ?  1 : 0));
        if (p.length() == 0) {
            return;
        }
        // the first character must be '/' and hence removed
        path = UP_DIR_PATTERN.matcher(p).replaceAll("/..").substring(1);
    }

    // if it starts with the root path then a little special handling for that
    if (FileUtil.hasLeadingSeparator(path)) {
        // change to root path
        doChangeDirectory(path.substring(0, 1));
        path = path.substring(1);
    }

    // split into multiple dirs
    final String[] dirs = path.split("/|\\\\");

    if (dirs == null || dirs.length == 0) {
        // path was just a relative single path
        doChangeDirectory(path);
        return;
    }

    // there are multiple dirs so do this in chunks
    for (String dir : dirs) {
        doChangeDirectory(dir);
    }
}