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diff --git a/buildscripts/phing/classes/phing/tasks/system/UpToDateTask.php b/buildscripts/phing/classes/phing/tasks/system/UpToDateTask.php
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+<?php
+/*
+ * $Id: 5b0af63dfa9acb85374dcdd2d7fd866ce81391d0 $
+ *
+ * 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/tasks/system/condition/Condition.php';
+include_once 'phing/tasks/system/PropertyTask.php';
+include_once 'phing/util/DirectoryScanner.php';
+include_once 'phing/util/SourceFileScanner.php';
+include_once 'phing/mappers/MergeMapper.php';
+
+/**
+ * Sets the given property if the specified target has a timestamp
+ * greater than all of the source files.
+ *
+ * @author Hans Lellelid <hans@xmpl.org> (Phing)
+ * @author William Ferguson <williamf@mincom.com> (Ant)
+ * @author Hiroaki Nakamura <hnakamur@mc.neweb.ne.jp> (Ant)
+ * @author Stefan Bodewig <stefan.bodewig@epost.de> (Ant)
+ * @version $Id$
+ * @package phing.tasks.system
+ */
+class UpToDateTask extends Task implements Condition {
+
+ private $_property;
+ private $_value;
+ private $_sourceFile;
+ private $_targetFile;
+ private $sourceFileSets = array();
+ private $_filelists = array();
+
+ protected $mapperElement = null;
+
+ /**
+ * The property to set if the target file is more up-to-date than
+ * (each of) the source file(s).
+ *
+ * @param property the name of the property to set if Target is up-to-date.
+ */
+ public function setProperty($property) {
+ $this->_property = $property;
+ }
+
+ /**
+ * Get property name
+ * @param property the name of the property to set if Target is up-to-date.
+ */
+ public function getProperty() {
+ return $this->_property;
+ }
+
+ /**
+ * The value to set the named property to if the target file is more
+ * up-to-date than (each of) the source file(s). Defaults to 'true'.
+ *
+ * @param value the value to set the property to if Target is up-to-date
+ */
+ public function setValue($value) {
+ $this->_value = $value;
+ }
+
+ /**
+ * Returns the value, or "true" if a specific value wasn't provided.
+ */
+ private function getValue() {
+ return ($this->_value !== null) ? $this->_value : "true";
+ }
+
+ /**
+ * The file which must be more up-to-date than (each of) the source file(s)
+ * if the property is to be set.
+ *
+ * @param file the file we are checking against.
+ */
+ public function setTargetFile($file) {
+ if (is_string($file)) {
+ $file = new PhingFile($file);
+ }
+ $this->_targetFile = $file;
+ }
+
+ /**
+ * The file that must be older than the target file
+ * if the property is to be set.
+ *
+ * @param file the file we are checking against the target file.
+ */
+ public function setSrcfile($file) {
+ if (is_string($file)) {
+ $file = new PhingFile($file);
+ }
+ $this->_sourceFile = $file;
+ }
+
+ /**
+ * Nested <srcfiles> element.
+ *
+ * @deprecated Deprecated since Phing 2.4.0
+ */
+ public function createSrcfiles() {
+ $fs = new FileSet();
+ $this->sourceFileSets[] = $fs;
+ return $fs;
+ }
+
+ /**
+ * Nested <fileset> element.
+ */
+ public function addFileset(FileSet $fs) {
+ $this->sourceFileSets[] = $fs;
+ }
+
+ /**
+ * Supports embedded <filelist> element.
+ * @return FileList
+ */
+ public function createFileList() {
+ $num = array_push($this->_filelists, new FileList());
+ return $this->_filelists[$num-1];
+ }
+
+ /**
+ * Defines the FileNameMapper to use (nested mapper element).
+ */
+ public function createMapper() {
+ if ($this->mapperElement !== null) {
+ throw new BuildException("Cannot define more than one mapper",
+ $this->location);
+ }
+ $this->mapperElement = new Mapper($this->getProject());
+ return $this->mapperElement;
+ }
+
+ /**
+ * Evaluate (all) target and source file(s) to
+ * see if the target(s) is/are up-to-date.
+ * @return boolean
+ */
+ public function evaluate() {
+ if (count($this->sourceFileSets) == 0 && count($this->_filelists) == 0 && $this->_sourceFile === null) {
+ throw new BuildException("At least one srcfile or a nested "
+ . "<fileset> or <filelist> element must be set.");
+ }
+
+ if ((count($this->sourceFileSets) > 0 || count($this->_filelists) > 0) && $this->_sourceFile !== null) {
+ throw new BuildException("Cannot specify both the srcfile "
+ . "attribute and a nested <fileset> "
+ . "or <filelist> element.");
+ }
+
+ if ($this->_targetFile === null && $this->mapperElement === null) {
+ throw new BuildException("The targetfile attribute or a nested "
+ . "mapper element must be set.");
+ }
+
+ // if the target file is not there, then it can't be up-to-date
+ if ($this->_targetFile !== null && !$this->_targetFile->exists()) {
+ return false;
+ }
+
+ // if the source file isn't there, throw an exception
+ if ($this->_sourceFile !== null && !$this->_sourceFile->exists()) {
+ throw new BuildException($this->_sourceFile->getAbsolutePath()
+ . " not found.");
+ }
+
+ $upToDate = true;
+ for($i=0,$size=count($this->sourceFileSets); $i < $size && $upToDate; $i++) {
+ $fs = $this->sourceFileSets[$i];
+ $ds = $fs->getDirectoryScanner($this->project);
+ $upToDate = $upToDate && $this->scanDir($fs->getDir($this->project),
+ $ds->getIncludedFiles());
+ }
+
+ for($i=0,$size=count($this->_filelists); $i < $size && $upToDate; $i++) {
+ $fl = $this->_filelists[$i];
+ $srcFiles = $fl->getFiles($this->project);
+ $upToDate = $upToDate && $this->scanDir($fs->getDir($this->project),
+ $srcFiles);
+ }
+
+ if ($this->_sourceFile !== null) {
+ if ($this->mapperElement === null) {
+ $upToDate = $upToDate &&
+ ($this->_targetFile->lastModified() >= $this->_sourceFile->lastModified());
+ } else {
+ $sfs = new SourceFileScanner($this);
+ $upToDate = $upToDate &&
+ count($sfs->restrict($this->_sourceFile->getAbsolutePath(),
+ null, null,
+ $this->mapperElement->getImplementation())) === 0;
+ }
+ }
+ return $upToDate;
+ }
+
+
+ /**
+ * Sets property to true if target file(s) have a more recent timestamp
+ * than (each of) the corresponding source file(s).
+ * @throws BuildException
+ */
+ public function main() {
+ if ($this->_property === null) {
+ throw new BuildException("property attribute is required.",
+ $this->location);
+ }
+ $upToDate = $this->evaluate();
+ if ($upToDate) {
+ $property = $this->project->createTask('property');
+ $property->setName($this->getProperty());
+ $property->setValue($this->getValue());
+ $property->setOverride(true);
+ $property->main(); // execute
+
+ if ($this->mapperElement === null) {
+ $this->log("File \"" . $this->_targetFile->getAbsolutePath()
+ . "\" is up-to-date.", Project::MSG_VERBOSE);
+ } else {
+ $this->log("All target files are up-to-date.",
+ Project::MSG_VERBOSE);
+ }
+ }
+ }
+
+ protected function scanDir(PhingFile $srcDir, $files) {
+ $sfs = new SourceFileScanner($this);
+ $mapper = null;
+ $dir = $srcDir;
+ if ($this->mapperElement === null) {
+ $mm = new MergeMapper();
+ $mm->setTo($this->_targetFile->getAbsolutePath());
+ $mapper = $mm;
+ $dir = null;
+ } else {
+ $mapper = $this->mapperElement->getImplementation();
+ }
+ return (count($sfs->restrict($files, $srcDir, $dir, $mapper)) === 0);
+ }
+}