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<?php
/*
* $Id: MoveTask.php 59 2006-04-28 14:49:47Z mrook $
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the LGPL. For more information please see
* <http://phing.info>.
*/
require_once 'phing/tasks/system/CopyTask.php';
include_once 'phing/system/io/PhingFile.php';
include_once 'phing/system/io/IOException.php';
/**
* Moves a file or directory to a new file or directory.
*
* By default, the destination file is overwritten if it
* already exists. When overwrite is turned off, then files
* are only moved if the source file is newer than the
* destination file, or when the destination file does not
* exist.
*
* Source files and directories are only deleted when the file or
* directory has been copied to the destination successfully.
*
* @version $Revision: 1.8 $
* @package phing.tasks.system
*/
class MoveTask extends CopyTask {
function __construct() {
parent::__construct();
$this->forceOverwrite = true;
}
protected function doWork() {
$copyMapSize = count($this->fileCopyMap);
if ($copyMapSize > 0) {
// files to move
$this->log("Moving $copyMapSize files to " . $this->destDir->getAbsolutePath());
foreach($this->fileCopyMap as $from => $to) {
if ($from == $to) {
$this->log("Skipping self-move of $from", $this->verbosity);
continue;
}
$moved = false;
$f = new PhingFile($from);
$d = new PhingFile($to);
$moved = false;
try { // try to rename
$this->log("Attempting to rename $from to $to", $this->verbosity);
$this->renameFile($f, $d, $this->forceOverwrite);
$moved = true;
} catch (IOException $ioe) {
$moved = false;
$this->log("Failed to rename $from to $to: " . $ioe->getMessage(), $this->verbosity);
}
if (!$moved) {
try { // try to move
$this->log("Moving $from to $to", $this->verbosity);
$this->fileUtils->copyFile($f, $d, $this->forceOverwrite, $this->preserveLMT, $this->filterChains, $this->getProject());
$f = new PhingFile($fromFile);
$f->delete();
} catch (IOException $ioe) {
$msg = "Failed to move $from to $to: " . $ioe->getMessage();
throw new BuildException($msg, $this->location);
}
} // if !moved
} // foreach fileCopyMap
} // if copyMapSize
// handle empty dirs if appropriate
if ($this->includeEmpty) {
$e = array_keys($this->dirCopyMap);
$count = 0;
foreach ($e as $dir) {
$d = new PhingFile((string) $dir);
if (!$d->exists()) {
if (!$d->mkdirs()) {
$this->log("Unable to create directory " . $d->getAbsolutePath(), PROJECT_MSG_ERR);
} else {
$count++;
}
}
}
if ($count > 0) {
$this->log("moved $count empty director" . ($count == 1 ? "y" : "ies") . " to " . $this->destDir->getAbsolutePath());
}
}
if (count($this->filesets) > 0) {
// process filesets
foreach($this->filesets as $fs) {
$dir = $fs->getDir($this->project);
if ($this->okToDelete($dir)) {
$this->deleteDir($dir);
}
}
}
}
/** Its only ok to delete a dir tree if there are no files in it. */
private function okToDelete($d) {
$list = $d->listDir();
if ($list === null) {
return false; // maybe io error?
}
foreach($list as $s) {
$f = new PhingFile($d, $s);
if ($f->isDirectory()) {
if (!$this->okToDelete($f)) {
return false;
}
} else {
// found a file
return false;
}
}
return true;
}
/** Go and delete the directory tree. */
private function deleteDir($d) {
$list = $d->listDir();
if ($list === null) {
return; // on an io error list() can return null
}
foreach($list as $fname) {
$f = new PhingFile($d, $fname);
if ($f->isDirectory()) {
$this->deleteDir($f);
} else {
throw new BuildException("UNEXPECTED ERROR - The file " . $f->getAbsolutePath() . " should not exist!");
}
}
$this->log("Deleting directory " . $d->getPath(), $this->verbosity);
try {
$d->delete();
} catch (Exception $e) {
throw new BuildException("Unable to delete directory " . $d->__toString() . ": " . $e->getMessage());
}
}
/**
* Attempts to rename a file from a source to a destination.
* If overwrite is set to true, this method overwrites existing file
* even if the destination file is newer.
* Otherwise, the source f
* ile is renamed only if the destination file #
* is older than it.
*/
private function renameFile(PhingFile $sourceFile, PhingFile $destFile, $overwrite) {
$renamed = true;
// ensure that parent dir of dest file exists!
$parent = $destFile->getParentFile();
if ($parent !== null) {
if (!$parent->exists()) {
$parent->mkdirs();
}
}
if ($destFile->exists()) {
try {
$destFile->delete();
} catch (Exception $e) {
throw new BuildException("Unable to remove existing file " . $destFile->__toString() . ": " . $e->getMessage());
}
}
$renamed = $sourceFile->renameTo($destFile);
return $renamed;
}
}
?>
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