104 lines
2.9 KiB
Java
104 lines
2.9 KiB
Java
package eu.dnetlib.apps.oai2ftp.utils;
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.commons.net.ftp.FTPClient;
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import org.apache.commons.net.ftp.FTPSClient;
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public class FtpStorage implements StorageClient {
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private static final Log log = LogFactory.getLog(FtpStorage.class);
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private final FTPClient ftp;
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public FtpStorage(final String server, final int port, final boolean secure) {
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this.ftp = ftpConnect(server, port, secure);
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}
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private FTPClient ftpConnect(final String server, final int port, final boolean secure) {
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try {
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if (secure) {
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final FTPSClient ftp = new FTPSClient();
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ftp.connect(server, port > 0 ? port : FTPSClient.DEFAULT_FTPS_PORT);
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// Set protection buffer size
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ftp.execPBSZ(0);
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// Set data channel protection to private
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ftp.execPROT("P");
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return ftp;
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} else {
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final FTPClient ftp = new FTPClient();
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ftp.connect(server, port > 0 ? port : FTPClient.DEFAULT_PORT);
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return ftp;
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}
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} catch (final IOException e) {
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log.error("Ftp Connection Failed", e);
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throw new RuntimeException(e);
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}
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}
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@Override
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public void disconnect() {
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if (ftp != null && ftp.isConnected()) {
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try {
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ftp.disconnect();
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log.info("Ftp Disconnected");
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} catch (final IOException e) {
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log.error("Ftp Disconnection Failed");
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throw new RuntimeException(e);
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}
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}
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}
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@Override
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public void login(final String user, final String password) {
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try {
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if (!ftp.login(user, password)) { throw new RuntimeException("FTP login failed"); }
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ftp.setFileType(FTPClient.BINARY_FILE_TYPE);
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ftp.enterLocalPassiveMode();
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ftp.setBufferSize(1024);
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log.info("Ftp logged");
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} catch (final IOException e) {
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log.error("Ftp Login Failed", e);
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disconnect();
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throw new RuntimeException(e);
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}
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}
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@Override
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public boolean changeDir(final String dir) {
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try {
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if (!ftp.changeWorkingDirectory(dir)) {
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ftp.makeDirectory(dir);
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return ftp.changeWorkingDirectory(dir);
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}
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return true;
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} catch (final IOException e) {
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log.error("Error changing or create dir: " + dir);
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disconnect();
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throw new RuntimeException("Error changing or create dir: " + dir, e);
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}
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}
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@Override
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public void saveFile(final String filename, final String content) {
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try (InputStream is = new ByteArrayInputStream(content.getBytes())) {
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if (log.isDebugEnabled()) {
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log.debug("Saving file " + filename);
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log.debug(content);
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}
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if (!ftp.storeFile(filename, is)) {
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log.error("Error saving file: " + ftp.getReplyCode() + " - " + ftp.getReplyString());
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throw new RuntimeException("Error saving file: " + ftp.getReplyString());
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}
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} catch (final IOException e) {
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log.error("Error saving info file");
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throw new RuntimeException("Error saving info file", e);
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}
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}
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}
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