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INT-4304 (S)FTP Outbound Gateway Delete After GET

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JIRA: https://jira.spring.io/browse/INT-4304

Add an option to delete remote file(s) after GET/MGET.

Polishing - log error on delete failure.
This commit is contained in:
Gary Russell
2017-06-23 15:38:03 -04:00
committed by Artem Bilan
parent a1c42f65d0
commit 5216dc2b02
6 changed files with 80 additions and 28 deletions
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55
spring-integration-file/src/main/java/org/springframework/integration/file/remote/gateway/AbstractRemoteFileOutboundGateway.java
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@@ -79,42 +79,42 @@ public abstract class AbstractRemoteFileOutboundGateway<F> extends AbstractReply
public enum Command {
/**
* List remote files.
* (ls) List remote files.
*/
LS("ls"),
/**
* List remote file names.
* (nlst) List remote file names.
*/
NLST("nlst"),
/**
* Retrieve a remote file.
* (get) Retrieve a remote file.
*/
GET("get"),
/**
* Remove a remote file (path - including wildcards).
* (rm) Remove a remote file (path - including wildcards).
*/
RM("rm"),
/**
* Retrieve multiple files matching a wildcard path.
* (mget) Retrieve multiple files matching a wildcard path.
*/
MGET("mget"),
/**
* Move (rename) a remote file.
* (mv) Move (rename) a remote file.
*/
MV("mv"),
/**
* Put a local file to the remote system.
* (put) Put a local file to the remote system.
*/
PUT("put"),
/**
* Put multiple local files to the remote system.
* (mput) Put multiple local files to the remote system.
*/
MPUT("mput");
@@ -146,49 +146,55 @@ public abstract class AbstractRemoteFileOutboundGateway<F> extends AbstractReply
public enum Option {
/**
* Don't return full file information; just the name (ls).
* (-1) Don't return full file information; just the name (ls).
*/
NAME_ONLY("-1"),
/**
* Include files beginning with {@code .}, including directories {@code .} and {@code ..} in the results (ls).
* (-a) Include files beginning with {@code .}, including directories {@code .}
* and {@code ..} in the results (ls).
*/
ALL("-a"),
/**
* Do not sort the results (ls with NAME_ONLY).
* (-f) Do not sort the results (ls with NAME_ONLY).
*/
NOSORT("-f"),
/**
* Include directories in the results (ls).
* (-dirs) Include directories in the results (ls).
*/
SUBDIRS("-dirs"),
/**
* Include links in the results (ls).
* (-links) Include links in the results (ls).
*/
LINKS("-links"),
/**
* Preserve the server timestamp (get, mget).
* (-P) Preserve the server timestamp (get, mget).
*/
PRESERVE_TIMESTAMP("-P"),
/**
* Throw an exception if no files returned (mget).
* (-x) Throw an exception if no files returned (mget).
*/
EXCEPTION_WHEN_EMPTY("-x"),
/**
* Recursive (ls, mget)
* (-R) Recursive (ls, mget)
*/
RECURSIVE("-R"),
/**
* Streaming 'get' (returns InputStream); user must call {@link Session#close()}.
* (-stream) Streaming 'get' (returns InputStream); user must call {@link Session#close()}.
*/
STREAM("-stream");
STREAM("-stream"),
/**
* (-D) Delete the remote file after successful transfer (get, mget).
*/
DELETE("-D");
private String option;
@@ -324,8 +330,9 @@ public abstract class AbstractRemoteFileOutboundGateway<F> extends AbstractReply
}
/**
* Specify the array of options for various gateway commands.
* Specify the options for various gateway commands as a space-delimited string.
* @param options the options to set
* @see Option
*/
public void setOptions(String options) {
Assert.hasText(options, "'options' must not be empty.");
@@ -341,6 +348,7 @@ public abstract class AbstractRemoteFileOutboundGateway<F> extends AbstractReply
* Specify the array of options for various gateway commands.
* @param options the {@link Option} array to use.
* @since 5.0
* @see Option
*/
public void setOption(Option... options) {
Assert.notNull(options, "'options' must not be null");
@@ -1043,6 +1051,15 @@ public abstract class AbstractRemoteFileOutboundGateway<F> extends AbstractReply
|| FileExistsMode.REPLACE_IF_MODIFIED.equals(fileExistsMode)) {
localFile.setLastModified(getModified(fileInfo));
}
if (this.options.contains(Option.DELETE)) {
boolean result = session.remove(remoteFilePath);
if (!result) {
logger.error("Failed to delete: " + remoteFilePath);
}
else if (logger.isDebugEnabled()) {
logger.debug(remoteFilePath + " deleted");
}
}
}
else if (FileExistsMode.REPLACE_IF_MODIFIED.equals(fileExistsMode)) {
if (logger.isDebugEnabled()) {