/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.moxie.ftp;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Hashtable;
import java.util.Map;
import java.util.Set;
import java.util.StringTokenizer;
import java.util.Vector;
import org.apache.commons.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTPFile;
import org.apache.commons.net.ftp.FTPReply;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.DirectoryScanner;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.taskdefs.Delete;
import org.apache.tools.ant.types.FileSet;
import org.apache.tools.ant.types.selectors.SelectorUtils;
import org.apache.tools.ant.util.FileUtils;
import org.apache.tools.ant.util.RetryHandler;
import org.apache.tools.ant.util.Retryable;
import org.apache.tools.ant.util.VectorSet;
public class FTPTaskMirrorImpl implements FTPTaskMirror {
/** return code of ftp */
private static final int CODE_521 = 521;
private static final int CODE_550 = 550;
private static final int CODE_553 = 553;
/** Date formatter used in logging, note not thread safe! */
private static final SimpleDateFormat TIMESTAMP_LOGGING_SDF =
new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
private static final FileUtils FILE_UTILS = FileUtils.getFileUtils();
private final FTPTask task;
private Set dirCache = new HashSet();
private int transferred = 0;
private int skipped = 0;
/**
* Constructor.
* @param task the FTPTask that uses this mirror.
*/
public FTPTaskMirrorImpl(FTPTask task) {
this.task = task;
}
/**
* internal class providing a File-like interface to some of the information
* available from the FTP server
*
*/
protected static class FTPFileProxy extends File {
private final FTPFile file;
private final String[] parts;
private final String name;
/**
* creates a proxy to a FTP file
* @param file
*/
public FTPFileProxy(FTPFile file) {
super(file.getName());
name = file.getName();
this.file = file;
parts = FileUtils.getPathStack(name);
}
/**
* creates a proxy to a FTP directory
* @param completePath the remote directory.
*/
public FTPFileProxy(String completePath) {
super(completePath);
file = null;
name = completePath;
parts = FileUtils.getPathStack(completePath);
}
/* (non-Javadoc)
* @see java.io.File#exists()
*/
public boolean exists() {
return true;
}
/* (non-Javadoc)
* @see java.io.File#getAbsolutePath()
*/
public String getAbsolutePath() {
return name;
}
/* (non-Javadoc)
* @see java.io.File#getName()
*/
public String getName() {
return parts.length > 0 ? parts[parts.length - 1] : name;
}
/* (non-Javadoc)
* @see java.io.File#getParent()
*/
public String getParent() {
String result = "";
for(int i = 0; i < parts.length - 1; i++){
result += File.separatorChar + parts[i];
}
return result;
}
/* (non-Javadoc)
* @see java.io.File#getPath()
*/
public String getPath() {
return name;
}
/**
* FTP files are stored as absolute paths
* @return true
*/
public boolean isAbsolute() {
return true;
}
/* (non-Javadoc)
* @see java.io.File#isDirectory()
*/
public boolean isDirectory() {
return file == null;
}
/* (non-Javadoc)
* @see java.io.File#isFile()
*/
public boolean isFile() {
return file != null;
}
/**
* FTP files cannot be hidden
*
* @return false
*/
public boolean isHidden() {
return false;
}
/* (non-Javadoc)
* @see java.io.File#lastModified()
*/
public long lastModified() {
if (file != null) {
return file.getTimestamp().getTimeInMillis();
}
return 0;
}
/* (non-Javadoc)
* @see java.io.File#length()
*/
public long length() {
if (file != null) {
return file.getSize();
}
return 0;
}
}
/**
* internal class allowing to read the contents of a remote file system
* using the FTP protocol
* used in particular for ftp get operations
* differences with DirectoryScanner
* "" (the root of the fileset) is never included in the included directories
* followSymlinks defaults to false
*/
protected class FTPDirectoryScanner extends DirectoryScanner {
// CheckStyle:VisibilityModifier OFF - bc
protected FTPClient ftp = null;
// CheckStyle:VisibilityModifier ON
private String rootPath = null;
/**
* since ant 1.6
* this flag should be set to true on UNIX and can save scanning time
*/
private boolean remoteSystemCaseSensitive = false;
private boolean remoteSensitivityChecked = false;
/**
* constructor
* @param ftp ftpclient object
*/
public FTPDirectoryScanner(FTPClient ftp) {
super();
this.ftp = ftp;
this.setFollowSymlinks(false);
}
/**
* scans the remote directory,
* storing internally the included files, directories, ...
*/
public void scan() {
if (includes == null) {
// No includes supplied, so set it to 'matches all'
includes = new String[1];
includes[0] = "**";
}
if (excludes == null) {
excludes = new String[0];
}
filesIncluded = new VectorSet();
filesNotIncluded = new Vector();
filesExcluded = new VectorSet();
dirsIncluded = new VectorSet();
dirsNotIncluded = new Vector();
dirsExcluded = new VectorSet();
try {
String cwd = ftp.printWorkingDirectory();
// always start from the current ftp working dir
forceRemoteSensitivityCheck();
checkIncludePatterns();
clearCaches();
ftp.changeWorkingDirectory(cwd);
} catch (IOException e) {
throw new BuildException("Unable to scan FTP server: ", e);
}
}
/**
* this routine is actually checking all the include patterns in
* order to avoid scanning everything under base dir
* @since ant1.6
*/
private void checkIncludePatterns() {
Hashtable newroots = new Hashtable();
// put in the newroots vector the include patterns without
// wildcard tokens
for (int icounter = 0; icounter < includes.length; icounter++) {
String newpattern =
SelectorUtils.rtrimWildcardTokens(includes[icounter]);
newroots.put(newpattern, includes[icounter]);
}
if (task.getRemotedir() == null) {
try {
task.setRemotedir(ftp.printWorkingDirectory());
} catch (IOException e) {
throw new BuildException("could not read current ftp directory",
task.getLocation());
}
}
AntFTPFile baseFTPFile = new AntFTPRootFile(ftp, task.getRemotedir());
rootPath = baseFTPFile.getAbsolutePath();
// construct it
if (newroots.containsKey("")) {
// we are going to scan everything anyway
scandir(rootPath, "", true);
} else {
// only scan directories that can include matched files or
// directories
Enumeration enum2 = newroots.keys();
while (enum2.hasMoreElements()) {
String currentelement = (String) enum2.nextElement();
String originalpattern = (String) newroots.get(currentelement);
AntFTPFile myfile = new AntFTPFile(baseFTPFile, currentelement);
boolean isOK = true;
boolean traversesSymlinks = false;
String path = null;
if (myfile.exists()) {
forceRemoteSensitivityCheck();
if (remoteSensitivityChecked
&& remoteSystemCaseSensitive && isFollowSymlinks()) {
// cool case,
//we do not need to scan all the subdirs in the relative path
path = myfile.getFastRelativePath();
} else {
// may be on a case insensitive file system. We want
// the results to show what's really on the disk, so
// we need to double check.
try {
path = myfile.getRelativePath();
traversesSymlinks = myfile.isTraverseSymlinks();
} catch (IOException be) {
throw new BuildException(be, task.getLocation());
} catch (BuildException be) {
isOK = false;
}
}
} else {
isOK = false;
}
if (isOK) {
currentelement = path.replace(task.getSeparator().charAt(0), File.separatorChar);
if (!isFollowSymlinks()
&& traversesSymlinks) {
continue;
}
if (myfile.isDirectory()) {
if (isIncluded(currentelement)
&& currentelement.length() > 0) {
accountForIncludedDir(currentelement, myfile, true);
} else {
if (currentelement.length() > 0) {
if (currentelement.charAt(currentelement
.length() - 1)
!= File.separatorChar) {
currentelement =
currentelement + File.separatorChar;
}
}
scandir(myfile.getAbsolutePath(), currentelement, true);
}
} else {
if (isCaseSensitive
&& originalpattern.equals(currentelement)) {
accountForIncludedFile(currentelement);
} else if (!isCaseSensitive
&& originalpattern
.equalsIgnoreCase(currentelement)) {
accountForIncludedFile(currentelement);
}
}
}
}
}
}
/**
* scans a particular directory. populates the scannedDirs cache.
*
* @param dir directory to scan
* @param vpath relative path to the base directory of the remote fileset
* always ended with a File.separator
* @param fast seems to be always true in practice
*/
protected void scandir(String dir, String vpath, boolean fast) {
// avoid double scanning of directories, can only happen in fast mode
if (fast && hasBeenScanned(vpath)) {
return;
}
try {
if (!ftp.changeWorkingDirectory(dir)) {
return;
}
String completePath = null;
if (!vpath.equals("")) {
completePath = rootPath + task.getSeparator()
+ vpath.replace(File.separatorChar, task.getSeparator().charAt(0));
} else {
completePath = rootPath;
}
FTPFile[] newfiles = listFiles(completePath, false);
if (newfiles == null) {
ftp.changeToParentDirectory();
return;
}
for (int i = 0; i < newfiles.length; i++) {
FTPFile file = newfiles[i];
if (file != null
&& !file.getName().equals(".")
&& !file.getName().equals("..")) {
String name = vpath + file.getName();
scannedDirs.put(name, new FTPFileProxy(file));
if (isFunctioningAsDirectory(ftp, dir, file)) {
boolean slowScanAllowed = true;
if (!isFollowSymlinks() && file.isSymbolicLink()) {
dirsExcluded.addElement(name);
slowScanAllowed = false;
} else if (isIncluded(name)) {
accountForIncludedDir(name,
new AntFTPFile(ftp, file, completePath) , fast);
} else {
dirsNotIncluded.addElement(name);
if (fast && couldHoldIncluded(name)) {
scandir(file.getName(),
name + File.separator, fast);
}
}
if (!fast && slowScanAllowed) {
scandir(file.getName(),
name + File.separator, fast);
}
} else {
if (!isFollowSymlinks() && file.isSymbolicLink()) {
filesExcluded.addElement(name);
} else if (isFunctioningAsFile(ftp, dir, file)) {
accountForIncludedFile(name);
}
}
}
}
ftp.changeToParentDirectory();
} catch (IOException e) {
throw new BuildException("Error while communicating with FTP "
+ "server: ", e);
}
}
/**
* process included file
* @param name path of the file relative to the directory of the fileset
*/
private void accountForIncludedFile(String name) {
if (!filesIncluded.contains(name)
&& !filesExcluded.contains(name)) {
if (isIncluded(name)) {
if (!isExcluded(name)
&& isSelected(name, (File) scannedDirs.get(name))) {
filesIncluded.addElement(name);
} else {
filesExcluded.addElement(name);
}
} else {
filesNotIncluded.addElement(name);
}
}
}
/**
*
* @param name path of the directory relative to the directory of
* the fileset
* @param file directory as file
* @param fast
*/
private void accountForIncludedDir(String name, AntFTPFile file, boolean fast) {
if (!dirsIncluded.contains(name)
&& !dirsExcluded.contains(name)) {
if (!isExcluded(name)) {
if (fast) {
if (file.isSymbolicLink()) {
try {
file.getClient().changeWorkingDirectory(file.curpwd);
} catch (IOException ioe) {
throw new BuildException("could not change directory to curpwd");
}
scandir(file.getLink(),
name + File.separator, fast);
} else {
try {
file.getClient().changeWorkingDirectory(file.curpwd);
} catch (IOException ioe) {
throw new BuildException("could not change directory to curpwd");
}
scandir(file.getName(),
name + File.separator, fast);
}
}
dirsIncluded.addElement(name);
} else {
dirsExcluded.addElement(name);
if (fast && couldHoldIncluded(name)) {
try {
file.getClient().changeWorkingDirectory(file.curpwd);
} catch (IOException ioe) {
throw new BuildException("could not change directory to curpwd");
}
scandir(file.getName(),
name + File.separator, fast);
}
}
}
}
/**
* temporary table to speed up the various scanning methods below
*
* @since Ant 1.6
*/
private Map fileListMap = new HashMap();
/**
* List of all scanned directories.
*
* @since Ant 1.6
*/
private Map scannedDirs = new HashMap();
/**
* Has the directory with the given path relative to the base
* directory already been scanned?
*
* @since Ant 1.6
*/
private boolean hasBeenScanned(String vpath) {
return scannedDirs.containsKey(vpath);
}
/**
* Clear internal caches.
*
* @since Ant 1.6
*/
private void clearCaches() {
fileListMap.clear();
scannedDirs.clear();
}
/**
* list the files present in one directory.
* @param directory full path on the remote side
* @param changedir if true change to directory directory before listing
* @return array of FTPFile
*/
public FTPFile[] listFiles(String directory, boolean changedir) {
//task.log("listing files in directory " + directory, Project.MSG_DEBUG);
String currentPath = directory;
if (changedir) {
try {
boolean result = ftp.changeWorkingDirectory(directory);
if (!result) {
return null;
}
currentPath = ftp.printWorkingDirectory();
} catch (IOException ioe) {
throw new BuildException(ioe, task.getLocation());
}
}
if (fileListMap.containsKey(currentPath)) {
task.log("filelist map used in listing files", Project.MSG_DEBUG);
return ((FTPFile[]) fileListMap.get(currentPath));
}
FTPFile[] result = null;
try {
result = ftp.listFiles();
} catch (IOException ioe) {
throw new BuildException(ioe, task.getLocation());
}
fileListMap.put(currentPath, result);
if (!remoteSensitivityChecked) {
checkRemoteSensitivity(result, directory);
}
return result;
}
private void forceRemoteSensitivityCheck() {
if (!remoteSensitivityChecked) {
try {
checkRemoteSensitivity(ftp.listFiles(), ftp.printWorkingDirectory());
} catch (IOException ioe) {
throw new BuildException(ioe, task.getLocation());
}
}
}
/**
* cd into one directory and
* list the files present in one directory.
* @param directory full path on the remote side
* @return array of FTPFile
*/
public FTPFile[] listFiles(String directory) {
return listFiles(directory, true);
}
private void checkRemoteSensitivity(FTPFile[] array, String directory) {
if (array == null) {
return;
}
boolean candidateFound = false;
String target = null;
for (int icounter = 0; icounter < array.length; icounter++) {
if (array[icounter] != null && array[icounter].isDirectory()) {
if (!array[icounter].getName().equals(".")
&& !array[icounter].getName().equals("..")) {
candidateFound = true;
target = fiddleName(array[icounter].getName());
task.log("will try to cd to "
+ target + " where a directory called " + array[icounter].getName()
+ " exists", Project.MSG_DEBUG);
for (int pcounter = 0; pcounter < array.length; pcounter++) {
if (array[pcounter] != null
&& pcounter != icounter
&& target.equals(array[pcounter].getName())) {
candidateFound = false;
}
}
if (candidateFound) {
break;
}
}
}
}
if (candidateFound) {
try {
task.log("testing case sensitivity, attempting to cd to "
+ target, Project.MSG_DEBUG);
remoteSystemCaseSensitive = !ftp.changeWorkingDirectory(target);
} catch (IOException ioe) {
remoteSystemCaseSensitive = true;
} finally {
try {
ftp.changeWorkingDirectory(directory);
} catch (IOException ioe) {
throw new BuildException(ioe, task.getLocation());
}
}
task.log("remote system is case sensitive : "
+ remoteSystemCaseSensitive,
Project.MSG_VERBOSE);
remoteSensitivityChecked = true;
}
}
private String fiddleName(String origin) {
StringBuffer result = new StringBuffer();
for (int icounter = 0; icounter < origin.length(); icounter++) {
if (Character.isLowerCase(origin.charAt(icounter))) {
result.append(Character.toUpperCase(origin.charAt(icounter)));
} else if (Character.isUpperCase(origin.charAt(icounter))) {
result.append(Character.toLowerCase(origin.charAt(icounter)));
} else {
result.append(origin.charAt(icounter));
}
}
return result.toString();
}
/**
* an AntFTPFile is a representation of a remote file
* @since Ant 1.6
*/
protected class AntFTPFile {
/**
* ftp client
*/
private FTPClient client;
/**
* parent directory of the file
*/
private String curpwd;
/**
* the file itself
*/
private FTPFile ftpFile;
/**
*
*/
private AntFTPFile parent = null;
private boolean relativePathCalculated = false;
private boolean traversesSymlinks = false;
private String relativePath = "";
/**
* constructor
* @param client ftp client variable
* @param ftpFile the file
* @param curpwd absolute remote path where the file is found
*/
public AntFTPFile(FTPClient client, FTPFile ftpFile, String curpwd) {
this.client = client;
this.ftpFile = ftpFile;
this.curpwd = curpwd;
}
/**
* other constructor
* @param parent the parent file
* @param path a relative path to the parent file
*/
public AntFTPFile(AntFTPFile parent, String path) {
this.parent = parent;
this.client = parent.client;
Vector pathElements = SelectorUtils.tokenizePath(path);
try {
boolean result = this.client.changeWorkingDirectory(parent.getAbsolutePath());
//this should not happen, except if parent has been deleted by another process
if (!result) {
return;
}
this.curpwd = parent.getAbsolutePath();
} catch (IOException ioe) {
throw new BuildException("could not change working dir to "
+ parent.curpwd);
}
final int size = pathElements.size();
for (int fcount = 0; fcount < size - 1; fcount++) {
String currentPathElement = (String) pathElements.elementAt(fcount);
try {
boolean result = this.client.changeWorkingDirectory(currentPathElement);
if (!result && !isCaseSensitive()
&& (remoteSystemCaseSensitive || !remoteSensitivityChecked)) {
currentPathElement = findPathElementCaseUnsensitive(this.curpwd,
currentPathElement);
if (currentPathElement == null) {
return;
}
} else if (!result) {
return;
}
this.curpwd = getCurpwdPlusFileSep()
+ currentPathElement;
} catch (IOException ioe) {
throw new BuildException("could not change working dir to "
+ (String) pathElements.elementAt(fcount)
+ " from " + this.curpwd);
}
}
String lastpathelement = (String) pathElements.elementAt(size - 1);
FTPFile [] theFiles = listFiles(this.curpwd);
this.ftpFile = getFile(theFiles, lastpathelement);
}
/**
* find a file in a directory in case unsensitive way
* @param parentPath where we are
* @param soughtPathElement what is being sought
* @return the first file found or null if not found
*/
private String findPathElementCaseUnsensitive(String parentPath,
String soughtPathElement) {
// we are already in the right path, so the second parameter
// is false
FTPFile[] theFiles = listFiles(parentPath, false);
if (theFiles == null) {
return null;
}
for (int icounter = 0; icounter < theFiles.length; icounter++) {
if (theFiles[icounter] != null
&& theFiles[icounter].getName().equalsIgnoreCase(soughtPathElement)) {
return theFiles[icounter].getName();
}
}
return null;
}
/**
* find out if the file exists
* @return true if the file exists
*/
public boolean exists() {
return (ftpFile != null);
}
/**
* if the file is a symbolic link, find out to what it is pointing
* @return the target of the symbolic link
*/
public String getLink() {
return ftpFile.getLink();
}
/**
* get the name of the file
* @return the name of the file
*/
public String getName() {
return ftpFile.getName();
}
/**
* find out the absolute path of the file
* @return absolute path as string
*/
public String getAbsolutePath() {
return getCurpwdPlusFileSep() + ftpFile.getName();
}
/**
* find out the relative path assuming that the path used to construct
* this AntFTPFile was spelled properly with regards to case.
* This is OK on a case sensitive system such as UNIX
* @return relative path
*/
public String getFastRelativePath() {
String absPath = getAbsolutePath();
if (absPath.indexOf(rootPath + task.getSeparator()) == 0) {
return absPath.substring(rootPath.length()
+ task.getSeparator().length());
}
return null;
}
/**
* find out the relative path to the rootPath of the enclosing scanner.
* this relative path is spelled exactly like on disk,
* for instance if the AntFTPFile has been instantiated as ALPHA,
* but the file is really called alpha, this method will return alpha.
* If a symbolic link is encountered, it is followed, but the name of the link
* rather than the name of the target is returned.
* (ie does not behave like File.getCanonicalPath())
* @return relative path, separated by remoteFileSep
* @throws IOException if a change directory fails, ...
* @throws BuildException if one of the components of the relative path cannot
* be found.
*/
public String getRelativePath() throws IOException, BuildException {
if (!relativePathCalculated) {
if (parent != null) {
traversesSymlinks = parent.isTraverseSymlinks();
relativePath = getRelativePath(parent.getAbsolutePath(),
parent.getRelativePath());
} else {
relativePath = getRelativePath(rootPath, "");
relativePathCalculated = true;
}
}
return relativePath;
}
/**
* get thge relative path of this file
* @param currentPath base path
* @param currentRelativePath relative path of the base path with regards to remote dir
* @return relative path
*/
private String getRelativePath(String currentPath, String currentRelativePath) {
Vector pathElements = SelectorUtils.tokenizePath(getAbsolutePath(), task.getSeparator());
Vector pathElements2 = SelectorUtils.tokenizePath(currentPath,
task.getSeparator());
String relPath = currentRelativePath;
final int size = pathElements.size();
for (int pcount = pathElements2.size(); pcount < size; pcount++) {
String currentElement = (String) pathElements.elementAt(pcount);
FTPFile[] theFiles = listFiles(currentPath);
FTPFile theFile = null;
if (theFiles != null) {
theFile = getFile(theFiles, currentElement);
}
if (!relPath.equals("")) {
relPath = relPath + task.getSeparator();
}
if (theFile == null) {
// hit a hidden file assume not a symlink
relPath = relPath + currentElement;
currentPath = currentPath + task.getSeparator()
+ currentElement;
task.log("Hidden file " + relPath
+ " assumed to not be a symlink.",
Project.MSG_VERBOSE);
} else {
traversesSymlinks = traversesSymlinks || theFile.isSymbolicLink();
relPath = relPath + theFile.getName();
currentPath = currentPath + task.getSeparator()
+ theFile.getName();
}
}
return relPath;
}
/**
* find a file matching a string in an array of FTPFile.
* This method will find "alpha" when requested for "ALPHA"
* if and only if the caseSensitive attribute is set to false.
* When caseSensitive is set to true, only the exact match is returned.
* @param theFiles array of files
* @param lastpathelement the file name being sought
* @return null if the file cannot be found, otherwise return the matching file.
*/
public FTPFile getFile(FTPFile[] theFiles, String lastpathelement) {
if (theFiles == null) {
return null;
}
for (int fcount = 0; fcount < theFiles.length; fcount++) {
if (theFiles[fcount] != null) {
if (theFiles[fcount].getName().equals(lastpathelement)) {
return theFiles[fcount];
} else if (!isCaseSensitive()
&& theFiles[fcount].getName().equalsIgnoreCase(
lastpathelement)) {
return theFiles[fcount];
}
}
}
return null;
}
/**
* tell if a file is a directory.
* note that it will return false for symbolic links pointing to directories.
* @return <code>true</code> for directories
*/
public boolean isDirectory() {
return ftpFile.isDirectory();
}
/**
* tell if a file is a symbolic link
* @return <code>true</code> for symbolic links
*/
public boolean isSymbolicLink() {
return ftpFile.isSymbolicLink();
}
/**
* return the attached FTP client object.
* Warning : this instance is really shared with the enclosing class.
* @return FTP client
*/
protected FTPClient getClient() {
return client;
}
/**
* sets the current path of an AntFTPFile
* @param curpwd the current path one wants to set
*/
protected void setCurpwd(String curpwd) {
this.curpwd = curpwd;
}
/**
* returns the path of the directory containing the AntFTPFile.
* of the full path of the file itself in case of AntFTPRootFile
* @return parent directory of the AntFTPFile
*/
public String getCurpwd() {
return curpwd;
}
/**
* returns the path of the directory containing the AntFTPFile.
* of the full path of the file itself in case of AntFTPRootFile
* and appends the remote file separator if necessary.
* @return parent directory of the AntFTPFile
* @since Ant 1.8.2
*/
public String getCurpwdPlusFileSep() {
String sep = task.getSeparator();
return curpwd.endsWith(sep) ? curpwd : curpwd + sep;
}
/**
* find out if a symbolic link is encountered in the relative path of this file
* from rootPath.
* @return <code>true</code> if a symbolic link is encountered in the relative path.
* @throws IOException if one of the change directory or directory listing operations
* fails
* @throws BuildException if a path component in the relative path cannot be found.
*/
public boolean isTraverseSymlinks() throws IOException, BuildException {
if (!relativePathCalculated) {
// getRelativePath also finds about symlinks
getRelativePath();
}
return traversesSymlinks;
}
/**
* Get a string rep of this object.
* @return a string containing the pwd and the file.
*/
public String toString() {
return "AntFtpFile: " + curpwd + "%" + ftpFile;
}
}
/**
* special class to represent the remote directory itself
* @since Ant 1.6
*/
protected class AntFTPRootFile extends AntFTPFile {
private String remotedir;
/**
* constructor
* @param aclient FTP client
* @param remotedir remote directory
*/
public AntFTPRootFile(FTPClient aclient, String remotedir) {
super(aclient, null, remotedir);
this.remotedir = remotedir;
try {
this.getClient().changeWorkingDirectory(this.remotedir);
this.setCurpwd(this.getClient().printWorkingDirectory());
} catch (IOException ioe) {
throw new BuildException(ioe, task.getLocation());
}
}
/**
* find the absolute path
* @return absolute path
*/
public String getAbsolutePath() {
return this.getCurpwd();
}
/**
* find out the relative path to root
* @return empty string
* @throws BuildException actually never
* @throws IOException actually never
*/
public String getRelativePath() throws BuildException, IOException {
return "";
}
}
}
/**
* check FTPFiles to check whether they function as directories too
* the FTPFile API seem to make directory and symbolic links incompatible
* we want to find out if we can cd to a symbolic link
* @param dir the parent directory of the file to test
* @param file the file to test
* @return true if it is possible to cd to this directory
* @since ant 1.6
*/
private boolean isFunctioningAsDirectory(FTPClient ftp, String dir, FTPFile file) {
boolean result = false;
String currentWorkingDir = null;
if (file.isDirectory()) {
return true;
} else if (file.isFile()) {
return false;
}
try {
currentWorkingDir = ftp.printWorkingDirectory();
} catch (IOException ioe) {
task.log("could not find current working directory " + dir
+ " while checking a symlink", Project.MSG_DEBUG);
}
if (currentWorkingDir != null) {
try {
result = ftp.changeWorkingDirectory(file.getLink());
} catch (IOException ioe) {
task.log("could not cd to " + file.getLink()
+ " while checking a symlink",
Project.MSG_DEBUG);
}
if (result) {
boolean comeback = false;
try {
comeback = ftp.changeWorkingDirectory(currentWorkingDir);
} catch (IOException ioe) {
task.log("could not cd back to " + dir + " while checking a symlink",
Project.MSG_ERR);
} finally {
if (!comeback) {
throw new BuildException("could not cd back to " + dir
+ " while checking a symlink");
}
}
}
}
return result;
}
/**
* check FTPFiles to check whether they function as directories too
* the FTPFile API seem to make directory and symbolic links incompatible
* we want to find out if we can cd to a symbolic link
* @param dir the parent directory of the file to test
* @param file the file to test
* @return true if it is possible to cd to this directory
* @since ant 1.6
*/
private boolean isFunctioningAsFile(FTPClient ftp, String dir, FTPFile file) {
if (file.isDirectory()) {
return false;
} else if (file.isFile()) {
return true;
}
return !isFunctioningAsDirectory(ftp, dir, file);
}
/**
* Executable a retryable object.
* @param h the retry hander.
* @param r the object that should be retried until it succeeds
* or the number of retrys is reached.
* @param descr a description of the command that is being run.
* @throws IOException if there is a problem.
*/
protected void executeRetryable(RetryHandler h, Retryable r, String descr)
throws IOException {
h.execute(r, descr);
}
/**
* For each file in the fileset, do the appropriate action: send, get,
* delete, or list.
*
* @param ftp the FTPClient instance used to perform FTP actions
* @param fs the fileset on which the actions are performed.
*
* @return the number of files to be transferred.
*
* @throws IOException if there is a problem reading a file
* @throws BuildException if there is a problem in the configuration.
*/
protected int transferFiles(final FTPClient ftp, FileSet fs)
throws IOException, BuildException {
DirectoryScanner ds;
if (task.getAction() == FTPTask.SEND_FILES) {
ds = fs.getDirectoryScanner(task.getProject());
} else {
ds = new FTPDirectoryScanner(ftp);
fs.setupDirectoryScanner(ds, task.getProject());
ds.setFollowSymlinks(fs.isFollowSymlinks());
ds.scan();
}
String[] dsfiles = null;
if (task.getAction() == FTPTask.RM_DIR) {
dsfiles = ds.getIncludedDirectories();
} else {
dsfiles = ds.getIncludedFiles();
}
String dir = null;
if ((ds.getBasedir() == null)
&& ((task.getAction() == FTPTask.SEND_FILES) || (task.getAction() == FTPTask.GET_FILES))) {
throw new BuildException("the dir attribute must be set for send "
+ "and get actions");
} else {
if ((task.getAction() == FTPTask.SEND_FILES) || (task.getAction() == FTPTask.GET_FILES)) {
dir = ds.getBasedir().getAbsolutePath();
}
}
// If we are doing a listing, we need the output stream created now.
BufferedWriter bw = null;
try {
if (task.getAction() == FTPTask.LIST_FILES) {
File pd = task.getListing().getParentFile();
if (!pd.exists()) {
pd.mkdirs();
}
bw = new BufferedWriter(new FileWriter(task.getListing()));
}
RetryHandler h = new RetryHandler(task.getRetriesAllowed(), task);
if (task.getAction() == FTPTask.RM_DIR) {
// to remove directories, start by the end of the list
// the trunk does not let itself be removed before the leaves
for (int i = dsfiles.length - 1; i >= 0; i--) {
final String dsfile = dsfiles[i];
executeRetryable(h, new Retryable() {
public void execute() throws IOException {
rmDir(ftp, dsfile);
}
}, dsfile);
}
} else {
final BufferedWriter fbw = bw;
final String fdir = dir;
if (task.isNewer()) {
task.setGranularityMillis(task.getTimestampGranularity()
.getMilliseconds(task.getAction()));
}
for (int i = 0; i < dsfiles.length; i++) {
final String dsfile = dsfiles[i];
executeRetryable(h, new Retryable() {
public void execute() throws IOException {
switch (task.getAction()) {
case FTPTask.SEND_FILES:
sendFile(ftp, fdir, dsfile);
break;
case FTPTask.GET_FILES:
getFile(ftp, fdir, dsfile);
break;
case FTPTask.DEL_FILES:
delFile(ftp, dsfile);
break;
case FTPTask.LIST_FILES:
listFile(ftp, fbw, dsfile);
break;
case FTPTask.CHMOD:
doSiteCommand(ftp, "chmod " + task.getChmod() + " "
+ resolveFile(dsfile));
transferred++;
break;
default:
throw new BuildException("unknown ftp action "
+ task.getAction());
}
}
}, dsfile);
}
}
} finally {
if (bw != null) {
bw.close();
}
}
return dsfiles.length;
}
/**
* Sends all files specified by the configured filesets to the remote
* server.
*
* @param ftp the FTPClient instance used to perform FTP actions
*
* @throws IOException if there is a problem reading a file
* @throws BuildException if there is a problem in the configuration.
*/
protected void transferFiles(FTPClient ftp)
throws IOException, BuildException {
transferred = 0;
skipped = 0;
if (task.getFilesets().size() == 0) {
throw new BuildException("at least one fileset must be specified.");
} else {
// get files from filesets
final int size = task.getFilesets().size();
for (int i = 0; i < size; i++) {
FileSet fs = (FileSet) task.getFilesets().elementAt(i);
if (fs != null) {
transferFiles(ftp, fs);
}
}
}
task.log(transferred + " " + FTPTask.ACTION_TARGET_STRS[task.getAction()] + " "
+ FTPTask.COMPLETED_ACTION_STRS[task.getAction()]);
if (skipped != 0) {
task.log(skipped + " " + FTPTask.ACTION_TARGET_STRS[task.getAction()]
+ " were not successfully " + FTPTask.COMPLETED_ACTION_STRS[task.getAction()]);
}
}
/**
* Correct a file path to correspond to the remote host requirements. This
* implementation currently assumes that the remote end can handle
* Unix-style paths with forward-slash separators. This can be overridden
* with the <code>separator</code> task parameter. No attempt is made to
* determine what syntax is appropriate for the remote host.
*
* @param file the remote file name to be resolved
*
* @return the filename as it will appear on the server.
*/
protected String resolveFile(String file) {
return file.replace(System.getProperty("file.separator").charAt(0),
task.getSeparator().charAt(0));
}
/**
* Creates all parent directories specified in a complete relative
* pathname. Attempts to create existing directories will not cause
* errors.
*
* @param ftp the FTP client instance to use to execute FTP actions on
* the remote server.
* @param filename the name of the file whose parents should be created.
* @throws IOException under non documented circumstances
* @throws BuildException if it is impossible to cd to a remote directory
*
*/
protected void createParents(FTPClient ftp, String filename)
throws IOException, BuildException {
File dir = new File(filename);
if (dirCache.contains(dir)) {
return;
}
Vector parents = new Vector();
String dirname;
while ((dirname = dir.getParent()) != null) {
File checkDir = new File(dirname);
if (dirCache.contains(checkDir)) {
break;
}
dir = checkDir;
parents.addElement(dir);
}
// find first non cached dir
int i = parents.size() - 1;
if (i >= 0) {
String cwd = ftp.printWorkingDirectory();
String parent = dir.getParent();
if (parent != null) {
if (!ftp.changeWorkingDirectory(resolveFile(parent))) {
throw new BuildException("could not change to "
+ "directory: " + ftp.getReplyString());
}
}
while (i >= 0) {
dir = (File) parents.elementAt(i--);
// check if dir exists by trying to change into it.
if (!ftp.changeWorkingDirectory(dir.getName())) {
// could not change to it - try to create it
task.log("creating remote directory "
+ resolveFile(dir.getPath()), Project.MSG_VERBOSE);
if (!ftp.makeDirectory(dir.getName())) {
handleMkDirFailure(ftp);
}
if (!ftp.changeWorkingDirectory(dir.getName())) {
throw new BuildException("could not change to "
+ "directory: " + ftp.getReplyString());
}
}
dirCache.add(dir);
}
ftp.changeWorkingDirectory(cwd);
}
}
/**
* auto find the time difference between local and remote
* @param ftp handle to ftp client
* @return number of millis to add to remote time to make it comparable to local time
* @since ant 1.6
*/
private long getTimeDiff(FTPClient ftp) {
long returnValue = 0;
File tempFile = findFileName(ftp);
try {
// create a local temporary file
FILE_UTILS.createNewFile(tempFile);
long localTimeStamp = tempFile.lastModified();
BufferedInputStream instream = new BufferedInputStream(new FileInputStream(tempFile));
ftp.storeFile(tempFile.getName(), instream);
instream.close();
boolean success = FTPReply.isPositiveCompletion(ftp.getReplyCode());
if (success) {
FTPFile [] ftpFiles = ftp.listFiles(tempFile.getName());
if (ftpFiles.length == 1) {
long remoteTimeStamp = ftpFiles[0].getTimestamp().getTime().getTime();
returnValue = localTimeStamp - remoteTimeStamp;
}
ftp.deleteFile(ftpFiles[0].getName());
}
// delegate the deletion of the local temp file to the delete task
// because of race conditions occuring on Windows
Delete mydelete = new Delete();
mydelete.bindToOwner(task);
mydelete.setFile(tempFile.getCanonicalFile());
mydelete.execute();
} catch (Exception e) {
throw new BuildException(e, task.getLocation());
}
return returnValue;
}
/**
* find a suitable name for local and remote temporary file
*/
private File findFileName(FTPClient ftp) {
FTPFile [] theFiles = null;
final int maxIterations = 1000;
for (int counter = 1; counter < maxIterations; counter++) {
File localFile = FILE_UTILS.createTempFile(
"ant" + Integer.toString(counter), ".tmp",
null, false, false);
String fileName = localFile.getName();
boolean found = false;
try {
if (theFiles == null) {
theFiles = ftp.listFiles();
}
for (int counter2 = 0; counter2 < theFiles.length; counter2++) {
if (theFiles[counter2] != null
&& theFiles[counter2].getName().equals(fileName)) {
found = true;
break;
}
}
} catch (IOException ioe) {
throw new BuildException(ioe, task.getLocation());
}
if (!found) {
localFile.deleteOnExit();
return localFile;
}
}
return null;
}
/**
* Checks to see if the remote file is current as compared with the local
* file. Returns true if the target file is up to date.
* @param ftp ftpclient
* @param localFile local file
* @param remoteFile remote file
* @return true if the target file is up to date
* @throws IOException in unknown circumstances
* @throws BuildException if the date of the remote files cannot be found and the action is
* GET_FILES
*/
protected boolean isUpToDate(FTPClient ftp, File localFile,
String remoteFile)
throws IOException, BuildException {
task.log("checking date for " + remoteFile, Project.MSG_VERBOSE);
FTPFile[] files = ftp.listFiles(remoteFile);
// For Microsoft's Ftp-Service an Array with length 0 is
// returned if configured to return listings in "MS-DOS"-Format
if (files == null || files.length == 0) {
// If we are sending files, then assume out of date.
// If we are getting files, then throw an error
if (task.getAction() == FTPTask.SEND_FILES) {
task.log("Could not date test remote file: " + remoteFile
+ "assuming out of date.", Project.MSG_VERBOSE);
return false;
} else {
throw new BuildException("could not date test remote file: "
+ ftp.getReplyString());
}
}
long remoteTimestamp = files[0].getTimestamp().getTime().getTime();
long localTimestamp = localFile.lastModified();
long adjustedRemoteTimestamp = remoteTimestamp + task.getTimeDiffMillis()
+ task.getGranularityMillis();
StringBuffer msg;
synchronized(TIMESTAMP_LOGGING_SDF) {
msg = new StringBuffer(" [")
.append(TIMESTAMP_LOGGING_SDF.format(new Date(localTimestamp)))
.append("] local");
}
task.log(msg.toString(), Project.MSG_VERBOSE);
synchronized(TIMESTAMP_LOGGING_SDF) {
msg = new StringBuffer(" [")
.append(TIMESTAMP_LOGGING_SDF.format(new Date(adjustedRemoteTimestamp)))
.append("] remote");
}
if (remoteTimestamp != adjustedRemoteTimestamp) {
synchronized(TIMESTAMP_LOGGING_SDF) {
msg.append(" - (raw: ")
.append(TIMESTAMP_LOGGING_SDF.format(new Date(remoteTimestamp)))
.append(")");
}
}
task.log(msg.toString(), Project.MSG_VERBOSE);
if (task.getAction() == FTPTask.SEND_FILES) {
return adjustedRemoteTimestamp >= localTimestamp;
} else {
return localTimestamp >= adjustedRemoteTimestamp;
}
}
/**
* Sends a site command to the ftp server
* @param ftp ftp client
* @param theCMD command to execute
* @throws IOException in unknown circumstances
* @throws BuildException in unknown circumstances
*/
protected void doSiteCommand(FTPClient ftp, String theCMD)
throws IOException, BuildException {
boolean rc;
String[] myReply = null;
task.log("Doing Site Command: " + theCMD, Project.MSG_VERBOSE);
rc = ftp.sendSiteCommand(theCMD);
if (!rc) {
task.log("Failed to issue Site Command: " + theCMD, Project.MSG_WARN);
} else {
myReply = ftp.getReplyStrings();
for (int x = 0; x < myReply.length; x++) {
if (myReply[x].indexOf("200") == -1) {
task.log(myReply[x], Project.MSG_WARN);
}
}
}
}
/**
* Sends a single file to the remote host. <code>filename</code> may
* contain a relative path specification. When this is the case, <code>sendFile</code>
* will attempt to create any necessary parent directories before sending
* the file. The file will then be sent using the entire relative path
* spec - no attempt is made to change directories. It is anticipated that
* this may eventually cause problems with some FTP servers, but it
* simplifies the coding.
* @param ftp ftp client
* @param dir base directory of the file to be sent (local)
* @param filename relative path of the file to be send
* locally relative to dir
* remotely relative to the remotedir attribute
* @throws IOException in unknown circumstances
* @throws BuildException in unknown circumstances
*/
protected void sendFile(FTPClient ftp, String dir, String filename)
throws IOException, BuildException {
InputStream instream = null;
try {
// XXX - why not simply new File(dir, filename)?
File file = task.getProject().resolveFile(new File(dir, filename).getPath());
if (task.isNewer() && isUpToDate(ftp, file, resolveFile(filename))) {
return;
}
if (task.isVerbose()) {
task.log("transferring " + file.getAbsolutePath());
}
instream = new BufferedInputStream(new FileInputStream(file));
createParents(ftp, filename);
ftp.storeFile(resolveFile(filename), instream);
boolean success = FTPReply.isPositiveCompletion(ftp.getReplyCode());
if (!success) {
String s = "could not put file: " + ftp.getReplyString();
if (task.isSkipFailedTransfers()) {
task.log(s, Project.MSG_WARN);
skipped++;
} else {
throw new BuildException(s);
}
} else {
// see if we should issue a chmod command
if (task.getChmod() != null) {
doSiteCommand(ftp, "chmod " + task.getChmod() + " "
+ resolveFile(filename));
}
task.log("File " + file.getAbsolutePath() + " copied to " + task.getServer(),
Project.MSG_VERBOSE);
transferred++;
}
} finally {
if (instream != null) {
try {
instream.close();
} catch (IOException ex) {
// ignore it
}
}
}
}
/**
* Delete a file from the remote host.
* @param ftp ftp client
* @param filename file to delete
* @throws IOException in unknown circumstances
* @throws BuildException if skipFailedTransfers is set to false
* and the deletion could not be done
*/
protected void delFile(FTPClient ftp, String filename)
throws IOException, BuildException {
if (task.isVerbose()) {
task.log("deleting " + filename);
}
if (!ftp.deleteFile(resolveFile(filename))) {
String s = "could not delete file: " + ftp.getReplyString();
if (task.isSkipFailedTransfers()) {
task.log(s, Project.MSG_WARN);
skipped++;
} else {
throw new BuildException(s);
}
} else {
task.log("File " + filename + " deleted from " + task.getServer(),
Project.MSG_VERBOSE);
transferred++;
}
}
/**
* Delete a directory, if empty, from the remote host.
* @param ftp ftp client
* @param dirname directory to delete
* @throws IOException in unknown circumstances
* @throws BuildException if skipFailedTransfers is set to false
* and the deletion could not be done
*/
protected void rmDir(FTPClient ftp, String dirname)
throws IOException, BuildException {
if (task.isVerbose()) {
task.log("removing " + dirname);
}
if (!ftp.removeDirectory(resolveFile(dirname))) {
String s = "could not remove directory: " + ftp.getReplyString();
if (task.isSkipFailedTransfers()) {
task.log(s, Project.MSG_WARN);
skipped++;
} else {
throw new BuildException(s);
}
} else {
task.log("Directory " + dirname + " removed from " + task.getServer(),
Project.MSG_VERBOSE);
transferred++;
}
}
/**
* Retrieve a single file from the remote host. <code>filename</code> may
* contain a relative path specification. <p>
*
* The file will then be retreived using the entire relative path spec -
* no attempt is made to change directories. It is anticipated that this
* may eventually cause problems with some FTP servers, but it simplifies
* the coding.</p>
* @param ftp the ftp client
* @param dir local base directory to which the file should go back
* @param filename relative path of the file based upon the ftp remote directory
* and/or the local base directory (dir)
* @throws IOException in unknown circumstances
* @throws BuildException if skipFailedTransfers is false
* and the file cannot be retrieved.
*/
protected void getFile(FTPClient ftp, String dir, String filename)
throws IOException, BuildException {
OutputStream outstream = null;
try {
File file = task.getProject().resolveFile(new File(dir, filename).getPath());
if (task.isNewer() && isUpToDate(ftp, file, resolveFile(filename))) {
return;
}
if (task.isVerbose()) {
task.log("transferring " + filename + " to "
+ file.getAbsolutePath());
}
File pdir = file.getParentFile();
if (!pdir.exists()) {
pdir.mkdirs();
}
outstream = new BufferedOutputStream(new FileOutputStream(file));
ftp.retrieveFile(resolveFile(filename), outstream);
if (!FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
String s = "could not get file: " + ftp.getReplyString();
if (task.isSkipFailedTransfers()) {
task.log(s, Project.MSG_WARN);
skipped++;
} else {
throw new BuildException(s);
}
} else {
task.log(
"File " + file.getAbsolutePath() + " copied from "
+ task.getServer(), Project.MSG_VERBOSE);
transferred++;
if (task.isPreserveLastModified()) {
outstream.close();
outstream = null;
FTPFile[] remote = ftp.listFiles(resolveFile(filename));
if (remote.length > 0) {
FILE_UTILS.setFileLastModified(file,
remote[0].getTimestamp()
.getTime().getTime());
}
}
}
} finally {
if (outstream != null) {
try {
outstream.close();
} catch (IOException ex) {
// ignore it
}
}
}
}
/**
* List information about a single file from the remote host. <code>filename</code>
* may contain a relative path specification. <p>
*
* The file listing will then be retrieved using the entire relative path
* spec - no attempt is made to change directories. It is anticipated that
* this may eventually cause problems with some FTP servers, but it
* simplifies the coding.</p>
* @param ftp ftp client
* @param bw buffered writer
* @param filename the directory one wants to list
* @throws IOException in unknown circumstances
* @throws BuildException in unknown circumstances
*/
protected void listFile(FTPClient ftp, BufferedWriter bw, String filename)
throws IOException, BuildException {
if (task.isVerbose()) {
task.log("listing " + filename);
}
FTPFile[] ftpfiles = ftp.listFiles(resolveFile(filename));
if (ftpfiles != null && ftpfiles.length > 0) {
bw.write(ftpfiles[0].toString());
bw.newLine();
transferred++;
}
}
/**
* Create the specified directory on the remote host.
*
* @param ftp The FTP client connection
* @param dir The directory to create (format must be correct for host
* type)
* @throws IOException in unknown circumstances
* @throws BuildException if ignoreNoncriticalErrors has not been set to true
* and a directory could not be created, for instance because it was
* already existing. Precisely, the codes 521, 550 and 553 will trigger
* a BuildException
*/
protected void makeRemoteDir(FTPClient ftp, String dir)
throws IOException, BuildException {
String workingDirectory = ftp.printWorkingDirectory();
if (task.isVerbose()) {
if (dir.indexOf("/") == 0 || workingDirectory == null) {
task.log("Creating directory: " + dir + " in /");
} else {
task.log("Creating directory: " + dir + " in " + workingDirectory);
}
}
if (dir.indexOf("/") == 0) {
ftp.changeWorkingDirectory("/");
}
String subdir = "";
StringTokenizer st = new StringTokenizer(dir, "/");
while (st.hasMoreTokens()) {
subdir = st.nextToken();
task.log("Checking " + subdir, Project.MSG_DEBUG);
if (!ftp.changeWorkingDirectory(subdir)) {
if (!ftp.makeDirectory(subdir)) {
// codes 521, 550 and 553 can be produced by FTP Servers
// to indicate that an attempt to create a directory has
// failed because the directory already exists.
int rc = ftp.getReplyCode();
if (!(task.isIgnoreNoncriticalErrors() && (rc == CODE_550
|| rc == CODE_553
|| rc == CODE_521))) {
throw new BuildException("could not create directory: "
+ ftp.getReplyString());
}
if (task.isVerbose()) {
task.log("Directory already exists");
}
} else {
if (task.isVerbose()) {
task.log("Directory created OK");
}
ftp.changeWorkingDirectory(subdir);
}
}
}
if (workingDirectory != null) {
ftp.changeWorkingDirectory(workingDirectory);
}
}
/**
* look at the response for a failed mkdir action, decide whether
* it matters or not. If it does, we throw an exception
* @param ftp current ftp connection
* @throws BuildException if this is an error to signal
*/
private void handleMkDirFailure(FTPClient ftp)
throws BuildException {
int rc = ftp.getReplyCode();
if (!(task.isIgnoreNoncriticalErrors() && (rc == CODE_550
|| rc == CODE_553
|| rc == CODE_521))) {
throw new BuildException("could not create directory: "
+ ftp.getReplyString());
}
}
public void doFTP() throws BuildException {
FTPClient ftp = null;
try {
task.log("Opening FTP connection to " + task.getServer(), Project.MSG_VERBOSE);
ftp = new FTPClient();
if (task.isConfigurationSet()) {
ftp = FTPConfigurator.configure(ftp, task);
}
ftp.setRemoteVerificationEnabled(task.getEnableRemoteVerification());
ftp.connect(task.getServer(), task.getPort());
if (!FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
throw new BuildException("FTP connection failed: "
+ ftp.getReplyString());
}
task.log("connected", Project.MSG_VERBOSE);
task.log("logging in to FTP server", Project.MSG_VERBOSE);
if ((task.getAccount() != null && !ftp.login(task.getUserid(), task.getPassword(), task.getAccount()))
|| (task.getAccount() == null && !ftp.login(task.getUserid(), task.getPassword()))) {
throw new BuildException("Could not login to FTP server");
}
task.log("login succeeded", Project.MSG_VERBOSE);
if (task.isBinary()) {
ftp.setFileType(org.apache.commons.net.ftp.FTP.BINARY_FILE_TYPE);
if (!FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
throw new BuildException("could not set transfer type: "
+ ftp.getReplyString());
}
} else {
ftp.setFileType(org.apache.commons.net.ftp.FTP.ASCII_FILE_TYPE);
if (!FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
throw new BuildException("could not set transfer type: "
+ ftp.getReplyString());
}
}
if (task.isPassive()) {
task.log("entering passive mode", Project.MSG_VERBOSE);
ftp.enterLocalPassiveMode();
if (!FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
throw new BuildException("could not enter into passive "
+ "mode: " + ftp.getReplyString());
}
}
// If an initial command was configured then send it.
// Some FTP servers offer different modes of operation,
// E.G. switching between a UNIX file system mode and
// a legacy file system.
if (task.getInitialSiteCommand() != null) {
RetryHandler h = new RetryHandler(task.getRetriesAllowed(), task);
final FTPClient lftp = ftp;
executeRetryable(h, new Retryable() {
public void execute() throws IOException {
doSiteCommand(lftp, task.getInitialSiteCommand());
}
}, "initial site command: " + task.getInitialSiteCommand());
}
// For a unix ftp server you can set the default mask for all files
// created.
if (task.getUmask() != null) {
RetryHandler h = new RetryHandler(task.getRetriesAllowed(), task);
final FTPClient lftp = ftp;
executeRetryable(h, new Retryable() {
public void execute() throws IOException {
doSiteCommand(lftp, "umask " + task.getUmask());
}
}, "umask " + task.getUmask());
}
// If the action is MK_DIR, then the specified remote
// directory is the directory to create.
if (task.getAction() == FTPTask.MK_DIR) {
RetryHandler h = new RetryHandler(task.getRetriesAllowed(), task);
final FTPClient lftp = ftp;
executeRetryable(h, new Retryable() {
public void execute() throws IOException {
makeRemoteDir(lftp, task.getRemotedir());
}
}, task.getRemotedir());
} else if (task.getAction() == FTPTask.SITE_CMD) {
RetryHandler h = new RetryHandler(task.getRetriesAllowed(), task);
final FTPClient lftp = ftp;
executeRetryable(h, new Retryable() {
public void execute() throws IOException {
doSiteCommand(lftp, task.getSiteCommand());
}
}, "Site Command: " + task.getSiteCommand());
} else {
if (task.getRemotedir() != null) {
task.log("changing the remote directory", Project.MSG_VERBOSE);
ftp.changeWorkingDirectory(task.getRemotedir());
if (!FTPReply.isPositiveCompletion(ftp.getReplyCode())) {
throw new BuildException("could not change remote "
+ "directory: " + ftp.getReplyString());
}
}
if (task.isNewer() && task.isTimeDiffAuto()) {
// in this case we want to find how much time span there is between local
// and remote
task.setTimeDiffMillis(getTimeDiff(ftp));
}
task.log(FTPTask.ACTION_STRS[task.getAction()] + " " + FTPTask.ACTION_TARGET_STRS[task.getAction()]);
transferFiles(ftp);
}
} catch (IOException ex) {
throw new BuildException("error during FTP transfer: " + ex, ex);
} finally {
if (ftp != null && ftp.isConnected()) {
try {
task.log("disconnecting", Project.MSG_VERBOSE);
ftp.logout();
ftp.disconnect();
} catch (IOException ex) {
// ignore it
}
}
}
}
}