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<?php
/*
* $Id: e581b40ff4e3eac5f62a32b48b4a22285cbc51c1 $
*
* 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/Task.php';
include_once 'phing/util/DirectoryScanner.php';
include_once 'phing/types/FileSet.php';
include_once 'phing/util/FileUtils.php';
include_once 'phing/system/io/PhingFile.php';
include_once 'phing/system/io/IOException.php';
/**
* Touch a file and/or fileset(s); corresponds to the Unix touch command.
*
* If the file to touch doesn't exist, an empty one is created.
*
* @version $Id$
* @package phing.tasks.system
*/
class TouchTask extends Task {
private $file;
private $millis = -1;
private $dateTime;
private $filesets = array();
private $fileUtils;
function __construct() {
$this->fileUtils = new FileUtils();
}
/**
* Sets a single source file to touch. If the file does not exist
* an empty file will be created.
*/
function setFile(PhingFile $file) {
$this->file = $file;
}
/**
* the new modification time of the file
* in milliseconds since midnight Jan 1 1970.
* Optional, default=now
*/
function setMillis($millis) {
$this->millis = (int) $millis;
}
/**
* the new modification time of the file
* in the format MM/DD/YYYY HH:MM AM or PM;
* Optional, default=now
*/
function setDatetime($dateTime) {
$this->dateTime = (string) $dateTime;
}
/**
* Nested creator, adds a set of files (nested fileset attribute).
* @return FileSet
*/
function createFileSet() {
$num = array_push($this->filesets, new FileSet());
return $this->filesets[$num-1];
}
/**
* Execute the touch operation.
*/
function main() {
$savedMillis = $this->millis;
if ($this->file === null && count($this->filesets) === 0) {
throw new BuildException("Specify at least one source - a file or a fileset.");
}
if ($this->file !== null && $this->file->exists() && $this->file->isDirectory()) {
throw new BuildException("Use a fileset to touch directories.");
}
try { // try to touch file
if ($this->dateTime !== null) {
$this->setMillis(strtotime($this->dateTime));
if ($this->millis < 0) {
throw new BuildException("Date of {$this->dateTime} results in negative milliseconds value relative to epoch (January 1, 1970, 00:00:00 GMT).");
}
}
$this->_touch();
} catch (Exception $ex) {
throw new BuildException("Error touch()ing file", $ex, $this->location);
}
$this->millis = $savedMillis;
}
/**
* Does the actual work.
*/
function _touch() {
if ($this->file !== null) {
if (!$this->file->exists()) {
$this->log("Creating " . $this->file->__toString(), Project::MSG_INFO);
try { // try to create file
$this->file->createNewFile();
} catch(IOException $ioe) {
throw new BuildException("Error creating new file " . $this->file->__toString(), $ioe, $this->location);
}
}
}
$resetMillis = false;
if ($this->millis < 0) {
$resetMillis = true;
$this->millis = Phing::currentTimeMillis();
}
if ($this->file !== null) {
$this->touchFile($this->file);
}
// deal with the filesets
foreach($this->filesets as $fs) {
$ds = $fs->getDirectoryScanner($this->getProject());
$fromDir = $fs->getDir($this->getProject());
$srcFiles = $ds->getIncludedFiles();
$srcDirs = $ds->getIncludedDirectories();
for ($j=0,$_j=count($srcFiles); $j < $_j; $j++) {
$this->touchFile(new PhingFile($fromDir, (string) $srcFiles[$j]));
}
for ($j=0,$_j=count($srcDirs); $j < $_j ; $j++) {
$this->touchFile(new PhingFile($fromDir, (string) $srcDirs[$j]));
}
}
if ($resetMillis) {
$this->millis = -1;
}
}
private function touchFile($file) {
if ( !$file->canWrite() ) {
throw new BuildException("Can not change modification date of read-only file " . $file->__toString());
}
$file->setLastModified($this->millis);
}
}
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