PropertyTask::__construct() - Code Metrics - Inspection of "Added augment reference task. (#1323)" - phingofficial/phing - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — master ( d68b8d...e5c614 )

by Siad

created 2020-04-29 20:51 UTC

PropertyTask::__construct() A

↳ Parent: PropertyTask

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	3
CRAP Score	1

Importance

Changes

Metric	Value
cc	1
eloc	2
nc	1
nop	1
dl	0
loc	4
ccs	3
cts	3
cp	1
crap	1
rs	10
c	0
b	0
f	0

<?php
/**
 * 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>.
 */

/**
 * Task for setting properties in buildfiles.
 *
 * @author  Andreas Aderhold <[email protected]>
 * @author  Hans Lellelid <[email protected]>
 * @package phing.tasks.system
 */
class PropertyTask extends Task
{
    use FilterChainAware;

    /**
     * @var string name of the property
     */
    protected $name;

    /**
     * @var string $value of the property
     */
    protected $value;

    /**
     * @var Reference
     */
    protected $reference;

    /**
     * @var string environment
     */
    protected $env;

    /**
     * @var PhingFile
     */
    protected $file;

    /**
     * @var string
     */
    protected $prefix;

    /**
     * @var Project
     */
    protected $fallback;

    /**
     * Whether to force overwrite of existing property.
     */
    protected $override = false;

    /**
     * Whether property should be treated as "user" property.
     */
    protected $userProperty = false;

    /**
     * Whether to log messages as INFO or VERBOSE
     */
    protected $logOutput = true;

    /**
     * @var FileParserFactoryInterface
     */
    private $fileParserFactory;

    /**
     * Whether a warning should be displayed when the property ismissing.
     */
    private $quiet = false;

    /**
     * Whether the task should fail when the property file is not found.
     */
    private $required = false;

    /**
     * @param FileParserFactoryInterface $fileParserFactory
     */
    public function __construct(FileParserFactoryInterface $fileParserFactory = null)
    {
        parent::__construct();
        $this->fileParserFactory = $fileParserFactory ?? new FileParserFactory();
    }

    /**
     * File required or not.
     *
     * @param string $d
     */
    public function setRequired($d)
    {
        $this->required = $d;
    }

    /**
     * @return string
     */
    public function getRequired()
    {
        return $this->required;

    }

    /**
     * Sets a the name of current property component
     *
     * @param string $name
     */
    public function setName(string $name): void
    {
        $this->name = $name;
    }

    /**
     * Get property component name.
     */
    public function getName()
    {
        return $this->name;
    }

    /**
     * Sets a the value of current property component.
     *
     * @param string $value Value of name, all scalars allowed
     */
    public function setValue(string $value): void
    {
        $this->value = $value;
    }

    /**
     * Sets value of property to CDATA tag contents.
     *
     * @param string $value
     * @since    2.2.0
     */
    public function addText(string $value): void
    {
        $this->setValue($value);
    }

    /**
     * Get the value of current property component.
     */
    public function getValue()
    {
        return $this->value;
    }

    /**
     * Set a file to use as the source for properties.
     *
     * @param $file
     *
     * @throws IOException
     * @throws NullPointerException
     */
    public function setFile($file)
    {
        if (is_string($file)) {
            $file = new PhingFile($file);
        }
        $this->file = $file;
    }

    /**
     * Get the PhingFile that is being used as property source.
     */
    public function getFile()
    {
        return $this->file;
    }

    /**
     * @param Reference $ref
     */
    public function setRefid(Reference $ref): void
    {
        $this->reference = $ref;
    }

    public function getRefid()
    {
        return $this->reference;
    }

    /**
     * Prefix to apply to properties loaded using <code>file</code>.
     * A "." is appended to the prefix if not specified.
     *
     * @param  string $prefix prefix string
     *
     * @since  2.0
     */
    public function setPrefix(string $prefix): void
    {
        $this->prefix = $prefix;
        if (!StringHelper::endsWith(".", $prefix)) {
            $this->prefix .= ".";
        }
    }

    /**
     * @return string
     * @since 2.0
     */
    public function getPrefix()
    {
        return $this->prefix;
    }

    /**
     * the prefix to use when retrieving environment variables.
     * Thus if you specify environment="myenv"
     * you will be able to access OS-specific
     * environment variables via property names "myenv.PATH" or
     * "myenv.TERM".
     * <p>
     * Note that if you supply a property name with a final
     * "." it will not be doubled. ie environment="myenv." will still
     * allow access of environment variables through "myenv.PATH" and
     * "myenv.TERM". This functionality is currently only implemented
     * on select platforms. Feel free to send patches to increase the number of platforms
     * this functionality is supported on ;).<br>
     * Note also that properties are case sensitive, even if the
     * environment variables on your operating system are not, e.g. it
     * will be ${env.Path} not ${env.PATH} on Windows 2000.
     *
     * @param string $env
     */
    public function setEnvironment(string $env): void
    {
        $this->env = $env;
    }

    public function getEnvironment()
    {
        return $this->env;
    }

    /**
     * Set whether this is a user property (ro).
     * This is deprecated in Ant 1.5, but the userProperty attribute
     * of the class is still being set via constructor, so Phing will
     * allow this method to function.
     *
     * @param boolean $v
     */
    public function setUserProperty(bool $v): void
    {
        $this->userProperty = $v;
    }

    /**
     * @return bool
     */
    public function getUserProperty()
    {
        return $this->userProperty;
    }

    /**
     * @param $v
     */
    public function setOverride(bool $v): void
    {
        $this->override = $v;
    }

    /**
     * @return bool
     */
    public function getOverride()
    {
        return $this->override;
    }

    /**
     * @return string
     */
    public function __toString()
    {
        return $this->value;
    }

    /**
     * @param Project $p
     */
    public function setFallback($p): void
    {
        $this->fallback = $p;
    }

    public function getFallback()
    {
        return $this->fallback;
    }

    /**
     * @param $logOutput
     */
    public function setLogoutput(bool $logOutput): void
    {
        $this->logOutput = $logOutput;
    }

    /**
     * @return bool
     */
    public function getLogoutput()
    {
        return $this->logOutput;
    }

    /**
     * Set quiet mode, which suppresses warnings if chmod() fails.
     *
     * @see   setFailonerror()
     * @param $bool
     */
    public function setQuiet(bool $bool): void
    {
        $this->quiet = $bool;
    }

    /**
     * @return bool
     */
    public function getQuiet(): bool
    {
        return $this->quiet;
    }

    /**
     * set the property in the project to the value.
     * if the task was give a file or env attribute
     * here is where it is loaded
     */
    public function main()
    {
        $this->validate();

        if ($this->name !== null && $this->value !== null) {
            $this->addProperty($this->name, $this->value);
        }

        if ($this->file !== null) {
            $this->loadFile($this->file);
        }

        if ($this->env !== null) {
            $this->loadEnvironment($this->env);
        }

        if ($this->name !== null && $this->reference !== null) {
            // get the refereced property
            try {
                $referencedObject = $this->reference->getReferencedObject($this->project);

                if ($referencedObject instanceof Exception) {
                    $reference = $referencedObject->getMessage();
                } else {
                    $reference = (string) $referencedObject;
                }

                $this->addProperty($this->name, $reference);
            } catch (BuildException $be) {
                if ($this->fallback !== null) {
                    $referencedObject = $this->reference->getReferencedObject($this->fallback);

                    if ($referencedObject instanceof Exception) {
                        $reference = $referencedObject->getMessage();
                    } else {
                        $reference = (string) $referencedObject;
                    }
                    $this->addProperty($this->name, $reference);
                } else {
                    throw $be;
                }
            }
        }
    }

    /**
     * @throws BuildException
     */
    private function validate(): void
    {
        if ($this->name !== null) {
            if ($this->value === null && $this->reference === null) {
                throw new BuildException(
                    "You must specify value or refid with the name attribute",
                    $this->getLocation()
                );
            }
        } elseif ($this->file === null && $this->env === null) {
            throw new BuildException(
                "You must specify file or environment when not using the name attribute",
                $this->getLocation()
            );
        }

        if ($this->file === null && $this->prefix !== null) {
            throw new BuildException('Prefix is only valid when loading from a file.', $this->getLocation());
        }
    }

    /**
     * load the environment values
     *
     * @param string $prefix prefix to place before them
     */
    protected function loadEnvironment(string $prefix)
    {
        $props = new Properties();
        if (substr($prefix, strlen($prefix) - 1) === '.') {
            $prefix .= ".";
        }
        $this->log("Loading Environment $prefix", Project::MSG_VERBOSE);
        foreach ($_ENV as $key => $value) {
            $props->setProperty($prefix . '.' . $key, $value);
        }
        $this->addProperties($props);
    }

    /**
     * iterate through a set of properties,
     * resolve them then assign them
     *
     * @param Properties $props
     * @throws BuildException
     */
    protected function addProperties($props)
    {
        $this->resolveAllProperties($props);
        foreach ($props->keys() as $name) {
            $value = $props->getProperty($name);
            $v = $this->project->replaceProperties($value);
            if ($this->prefix !== null) {
                $name = $this->prefix . $name;
            }
            $this->addProperty($name, $v);
        }
    }

    /**
     * add a name value pair to the project property set
     *
     * @param string $name name of property
     * @param string $value value to set
     */
    protected function addProperty($name, $value)
    {
        if ($this->file === null && count($this->filterChains) > 0) {
            $in = FileUtils::getChainedReader(new StringReader($value), $this->filterChains, $this->project);
            $value = $in->read();
        }

        $ph = PropertyHelper::getPropertyHelper($this->getProject());
        if ($this->userProperty) {
            if ($ph->getUserProperty(null, $name) === null || $this->override) {
                $ph->setInheritedProperty(null, $name, $value);
            } else {
                $this->log('Override ignored for ' . $name, Project::MSG_VERBOSE);
            }
        } else {
            if ($this->override) {
                $ph->setProperty(null, $name, $value, true);
            } else {
                $ph->setNewProperty(null, $name, $value);
            }
        }
    }

    /**
     * load properties from a file.
     *
     * @param  PhingFile $file
     * @throws BuildException
     */
    protected function loadFile(PhingFile $file)
    {
        $fileParser = $this->fileParserFactory->createParser($file->getFileExtension());
        $props = new Properties(null, $fileParser);
        $this->log("Loading " . $file->getAbsolutePath(), $this->logOutput ? Project::MSG_INFO : Project::MSG_VERBOSE);
        try { // try to load file
            if ($file->exists()) {
                $value = null;
                if (count($this->filterChains) > 0) {
                    $in = FileUtils::getChainedReader(new FileReader($file), $this->filterChains, $this->project);
                    $value = $in->read();
                }
                if ($value) {
                    foreach (array_filter(explode(PHP_EOL, $value)) as $line) {
                        [$key, $prop] = explode('=', $line);
                        $props->setProperty($key, $prop);
                    }
                } else {
                    $props->load($file);
                }
                $this->addProperties($props);
            } else {
                if ($this->required) {
                    throw new BuildException("Unable to find property file: " . $file->getAbsolutePath());
                }

                $this->log(
                    "Unable to find property file: " . $file->getAbsolutePath() . "... skipped",
                    $this->quiet ? Project::MSG_VERBOSE : Project::MSG_WARN
                );
            }
        } catch (IOException $ioe) {
            throw new BuildException("Could not load properties from file.", $ioe);
        }
    }

    /**
     * Given a Properties object, this method goes through and resolves
     * any references to properties within the object.
     *
     * @param  Properties $props The collection of Properties that need to be resolved.
     * @throws BuildException
     * @return void
     */
    protected function resolveAllProperties(Properties $props)
    {
        foreach ($props->keys() as $name) {
            // There may be a nice regex/callback way to handle this
            // replacement, but at the moment it is pretty complex, and
            // would probably be a lot uglier to work into a preg_replace_callback()
            // system.  The biggest problem is the fact that a resolution may require
            // multiple passes.

            $value = $props->getProperty($name);
            $resolved = false;
            $resolveStack = [];

            while (!$resolved) {
                $fragments = [];
                $propertyRefs = [];

                PropertyHelper::getPropertyHelper($this->project)->parsePropertyString(
                    $value,
                    $fragments,
                    $propertyRefs
                );

                $resolved = true;
                if (count($propertyRefs) === 0) {
                    continue;
                }

                $sb = "";

                $j = $propertyRefs;

                foreach ($fragments as $fragment) {
                    if ($fragment !== null) {
                        $sb .= $fragment;
                        continue;
                    }

                    $propertyName = array_shift($j);
                    if (in_array($propertyName, $resolveStack)) {
                        // Should we maybe just log this as an error & move on?
                        // $this->log("Property ".$name." was circularly defined.", Project::MSG_ERR);
                        throw new BuildException("Property " . $propertyName . " was circularly defined.");
                    }

                    $fragment = $this->getProject()->getProperty($propertyName);
                    if ($fragment !== null) {
                        $sb .= $fragment;
                        continue;
                    }

                    if ($props->containsKey($propertyName)) {
                        $fragment = $props->getProperty($propertyName);
                        if (strpos($fragment, '${') !== false) {
                            $resolveStack[] = $propertyName;
                            $resolved = false; // parse again (could have been replaced w/ another var)
                        }
                    } else {
                        $fragment = "\${" . $propertyName . "}";
                    }

                    $sb .= $fragment;
                }

                $this->log("Resolved Property \"$value\" to \"$sb\"", Project::MSG_DEBUG);
                $value = $sb;
                $props->setProperty($name, $value);
            } // while (!$resolved)
        } // while (count($keys)
    }
}


1		<?php
2		/**
3		* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
4		* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
5		* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
6		* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
7		* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
8		* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
9		* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
10		* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
11		* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
12		* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
13		* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
14		*
15		* This software consists of voluntary contributions made by many individuals
16		* and is licensed under the LGPL. For more information please see
17		* <http://phing.info>.
18		*/
19
20		/**
21		* Task for setting properties in buildfiles.
22		*
23		* @author Andreas Aderhold <[email protected]>
24		* @author Hans Lellelid <[email protected]>
25		* @package phing.tasks.system
26		*/
27		class PropertyTask extends Task
28		{
29		use FilterChainAware;
30
31		/**
32		* @var string name of the property
33		*/
34		protected $name;
35
36		/**
37		* @var string $value of the property
38		*/
39		protected $value;
40
41		/**
42		* @var Reference
43		*/
44		protected $reference;
45
46		/**
47		* @var string environment
48		*/
49		protected $env;
50
51		/**
52		* @var PhingFile
53		*/
54		protected $file;
55
56		/**
57		* @var string
58		*/
59		protected $prefix;
60
61		/**
62		* @var Project
63		*/
64		protected $fallback;
65
66		/**
67		* Whether to force overwrite of existing property.
68		*/
69		protected $override = false;
70
71		/**
72		* Whether property should be treated as "user" property.
73		*/
74		protected $userProperty = false;
75
76		/**
77		* Whether to log messages as INFO or VERBOSE
78		*/
79		protected $logOutput = true;
80
81		/**
82		* @var FileParserFactoryInterface
83		*/
84		private $fileParserFactory;
85
86		/**
87		* Whether a warning should be displayed when the property ismissing.
88		*/
89		private $quiet = false;
90
91		/**
92		* Whether the task should fail when the property file is not found.
93		*/
94		private $required = false;
95
96		/**
97		* @param FileParserFactoryInterface $fileParserFactory
98		*/
99	407	public function __construct(FileParserFactoryInterface $fileParserFactory = null)
100		{
101	407	parent::__construct();
102	407	$this->fileParserFactory = $fileParserFactory ?? new FileParserFactory();
103	407	}
104
105		/**
106		* File required or not.
107		*
108		* @param string $d
109		*/
110		public function setRequired($d)
111		{
112		$this->required = $d;
113		}
114
115		/**
116		* @return string
117		*/
118		public function getRequired()
119		{
120		return $this->required;
		0 ignored issues – show Bug Best Practice introduced 2019-10-06 13:58 UTC by Report Bug Copy Issue Report The expression `return $this->required` returns the type `boolean` which is incompatible with the documented return type `string`. Loading history...
121		}
122
123		/**
124		* Sets a the name of current property component
125		*
126		* @param string $name
127		*/
128	405	public function setName(string $name): void
129		{
130	405	$this->name = $name;
131	405	}
132
133		/**
134		* Get property component name.
135		*/
136	10	public function getName()
137		{
138	10	return $this->name;
139		}
140
141		/**
142		* Sets a the value of current property component.
143		*
144		* @param string $value Value of name, all scalars allowed
145		*/
146	405	public function setValue(string $value): void
147		{
148	405	$this->value = $value;
149	405	}
150
151		/**
152		* Sets value of property to CDATA tag contents.
153		*
154		* @param string $value
155		* @since 2.2.0
156		*/
157		public function addText(string $value): void
158		{
159		$this->setValue($value);
160		}
161
162		/**
163		* Get the value of current property component.
164		*/
165	5	public function getValue()
166		{
167	5	return $this->value;
168		}
169
170		/**
171		* Set a file to use as the source for properties.
172		*
173		* @param $file
174		*
175		* @throws IOException
176		* @throws NullPointerException
177		*/
178	11	public function setFile($file)
179		{
180	11	if (is_string($file)) {
181	11	$file = new PhingFile($file);
182		}
183	11	$this->file = $file;
184	11	}
185
186		/**
187		* Get the PhingFile that is being used as property source.
188		*/
189	4	public function getFile()
190		{
191	4	return $this->file;
192		}
193
194		/**
195		* @param Reference $ref
196		*/
197		public function setRefid(Reference $ref): void
198		{
199		$this->reference = $ref;
200		}
201
202	4	public function getRefid()
203		{
204	4	return $this->reference;
205		}
206
207		/**
208		* Prefix to apply to properties loaded using <code>file</code>.
209		* A "." is appended to the prefix if not specified.
210		*
211		* @param string $prefix prefix string
212		*
213		* @since 2.0
214		*/
215		public function setPrefix(string $prefix): void
216		{
217		$this->prefix = $prefix;
218		if (!StringHelper::endsWith(".", $prefix)) {
219		$this->prefix .= ".";
220		}
221		}
222
223		/**
224		* @return string
225		* @since 2.0
226		*/
227	4	public function getPrefix()
228		{
229	4	return $this->prefix;
230		}
231
232		/**
233		* the prefix to use when retrieving environment variables.
234		* Thus if you specify environment="myenv"
235		* you will be able to access OS-specific
236		* environment variables via property names "myenv.PATH" or
237		* "myenv.TERM".
238		* <p>
239		* Note that if you supply a property name with a final
240		* "." it will not be doubled. ie environment="myenv." will still
241		* allow access of environment variables through "myenv.PATH" and
242		* "myenv.TERM". This functionality is currently only implemented
243		* on select platforms. Feel free to send patches to increase the number of platforms
244		* this functionality is supported on ;).<br>
245		* Note also that properties are case sensitive, even if the
246		* environment variables on your operating system are not, e.g. it
247		* will be ${env.Path} not ${env.PATH} on Windows 2000.
248		*
249		* @param string $env
250		*/
251	1	public function setEnvironment(string $env): void
252		{
253	1	$this->env = $env;
254	1	}
255
256	4	public function getEnvironment()
257		{
258	4	return $this->env;
259		}
260
261		/**
262		* Set whether this is a user property (ro).
263		* This is deprecated in Ant 1.5, but the userProperty attribute
264		* of the class is still being set via constructor, so Phing will
265		* allow this method to function.
266		*
267		* @param boolean $v
268		*/
269	10	public function setUserProperty(bool $v): void
270		{
271	10	$this->userProperty = $v;
272	10	}
273
274		/**
275		* @return bool
276		*/
277	4	public function getUserProperty()
278		{
279	4	return $this->userProperty;
280		}
281
282		/**
283		* @param $v
284		*/
285	6	public function setOverride(bool $v): void
286		{
287	6	$this->override = $v;
288	6	}
289
290		/**
291		* @return bool
292		*/
293	4	public function getOverride()
294		{
295	4	return $this->override;
296		}
297
298		/**
299		* @return string
300		*/
301	1	public function __toString()
302		{
303	1	return $this->value;
304		}
305
306		/**
307		* @param Project $p
308		*/
309	10	public function setFallback($p): void
310		{
311	10	$this->fallback = $p;
312	10	}
313
314		public function getFallback()
315		{
316		return $this->fallback;
317		}
318
319		/**
320		* @param $logOutput
321		*/
322	4	public function setLogoutput(bool $logOutput): void
323		{
324	4	$this->logOutput = $logOutput;
325	4	}
326
327		/**
328		* @return bool
329		*/
330	4	public function getLogoutput()
331		{
332	4	return $this->logOutput;
333		}
334
335		/**
336		* Set quiet mode, which suppresses warnings if chmod() fails.
337		*
338		* @see setFailonerror()
339		* @param $bool
340		*/
341	4	public function setQuiet(bool $bool): void
342		{
343	4	$this->quiet = $bool;
344	4	}
345
346		/**
347		* @return bool
348		*/
349	4	public function getQuiet(): bool
350		{
351	4	return $this->quiet;
352		}
353
354		/**
355		* set the property in the project to the value.
356		* if the task was give a file or env attribute
357		* here is where it is loaded
358		*/
359	407	public function main()
360		{
361	407	$this->validate();
362
363	407	if ($this->name !== null && $this->value !== null) {
364	405	$this->addProperty($this->name, $this->value);
365		}
366
367	407	if ($this->file !== null) {
368	10	$this->loadFile($this->file);
369		}
370
371	407	if ($this->env !== null) {
372	1	$this->loadEnvironment($this->env);
373		}
374
375	407	if ($this->name !== null && $this->reference !== null) {
376		// get the refereced property
377		try {
378		$referencedObject = $this->reference->getReferencedObject($this->project);
379
380		if ($referencedObject instanceof Exception) {
381		$reference = $referencedObject->getMessage();
382		} else {
383		$reference = (string) $referencedObject;
384		}
385
386		$this->addProperty($this->name, $reference);
387		} catch (BuildException $be) {
388		if ($this->fallback !== null) {
389		$referencedObject = $this->reference->getReferencedObject($this->fallback);
390
391		if ($referencedObject instanceof Exception) {
392		$reference = $referencedObject->getMessage();
393		} else {
394		$reference = (string) $referencedObject;
395		}
396		$this->addProperty($this->name, $reference);
397		} else {
398		throw $be;
399		}
400		}
401		}
402	407	}
403
404		/**
405		* @throws BuildException
406		*/
407	407	private function validate(): void
408		{
409	407	if ($this->name !== null) {
410	405	if ($this->value === null && $this->reference === null) {
411		throw new BuildException(
412		"You must specify value or refid with the name attribute",
413		$this->getLocation()
414		);
415		}
416	11	} elseif ($this->file === null && $this->env === null) {
417		throw new BuildException(
418		"You must specify file or environment when not using the name attribute",
419		$this->getLocation()
420		);
421		}
422
423	407	if ($this->file === null && $this->prefix !== null) {
424		throw new BuildException('Prefix is only valid when loading from a file.', $this->getLocation());
425		}
426	407	}
427
428		/**
429		* load the environment values
430		*
431		* @param string $prefix prefix to place before them
432		*/
433	1	protected function loadEnvironment(string $prefix)
434		{
435	1	$props = new Properties();
436	1	if (substr($prefix, strlen($prefix) - 1) === '.') {
437		$prefix .= ".";
438		}
439	1	$this->log("Loading Environment $prefix", Project::MSG_VERBOSE);
440	1	foreach ($_ENV as $key => $value) {
441		$props->setProperty($prefix . '.' . $key, $value);
442		}
443	1	$this->addProperties($props);
444	1	}
445
446		/**
447		* iterate through a set of properties,
448		* resolve them then assign them
449		*
450		* @param Properties $props
451		* @throws BuildException
452		*/
453	11	protected function addProperties($props)
454		{
455	11	$this->resolveAllProperties($props);
456	11	foreach ($props->keys() as $name) {
457	10	$value = $props->getProperty($name);
458	10	$v = $this->project->replaceProperties($value);
459	10	if ($this->prefix !== null) {
460		$name = $this->prefix . $name;
461		}
462	10	$this->addProperty($name, $v);
463		}
464	11	}
465
466		/**
467		* add a name value pair to the project property set
468		*
469		* @param string $name name of property
470		* @param string $value value to set
471		*/
472	407	protected function addProperty($name, $value)
473		{
474	407	if ($this->file === null && count($this->filterChains) > 0) {
475		$in = FileUtils::getChainedReader(new StringReader($value), $this->filterChains, $this->project);
476		$value = $in->read();
477		}
478
479	407	$ph = PropertyHelper::getPropertyHelper($this->getProject());
480	407	if ($this->userProperty) {
481	10	if ($ph->getUserProperty(null, $name) === null \|\| $this->override) {
482	8	$ph->setInheritedProperty(null, $name, $value);
483		} else {
484	7	$this->log('Override ignored for ' . $name, Project::MSG_VERBOSE);
485		}
486		} else {
487	404	if ($this->override) {
488	2	$ph->setProperty(null, $name, $value, true);
489		} else {
490	404	$ph->setNewProperty(null, $name, $value);
491		}
492		}
493	407	}
494
495		/**
496		* load properties from a file.
497		*
498		* @param PhingFile $file
499		* @throws BuildException
500		*/
501	10	protected function loadFile(PhingFile $file)
502		{
503	10	$fileParser = $this->fileParserFactory->createParser($file->getFileExtension());
504	10	$props = new Properties(null, $fileParser);
505	10	$this->log("Loading " . $file->getAbsolutePath(), $this->logOutput ? Project::MSG_INFO : Project::MSG_VERBOSE);
506		try { // try to load file
507	10	if ($file->exists()) {
508	10	$value = null;
509	10	if (count($this->filterChains) > 0) {
510	1	$in = FileUtils::getChainedReader(new FileReader($file), $this->filterChains, $this->project);
511	1	$value = $in->read();
512		}
513	10	if ($value) {
514	1	foreach (array_filter(explode(PHP_EOL, $value)) as $line) {
515	1	[$key, $prop] = explode('=', $line);
516	1	$props->setProperty($key, $prop);
517		}
518		} else {
519	9	$props->load($file);
520		}
521	10	$this->addProperties($props);
522		} else {
523		if ($this->required) {
524		throw new BuildException("Unable to find property file: " . $file->getAbsolutePath());
525		}
526
527		$this->log(
528		"Unable to find property file: " . $file->getAbsolutePath() . "... skipped",
529		$this->quiet ? Project::MSG_VERBOSE : Project::MSG_WARN
530		);
531		}
532		} catch (IOException $ioe) {
533		throw new BuildException("Could not load properties from file.", $ioe);
534		}
535	10	}
536
537		/**
538		* Given a Properties object, this method goes through and resolves
539		* any references to properties within the object.
540		*
541		* @param Properties $props The collection of Properties that need to be resolved.
542		* @throws BuildException
543		* @return void
544		*/
545	11	protected function resolveAllProperties(Properties $props)
546		{
547	11	foreach ($props->keys() as $name) {
548		// There may be a nice regex/callback way to handle this
549		// replacement, but at the moment it is pretty complex, and
550		// would probably be a lot uglier to work into a preg_replace_callback()
551		// system. The biggest problem is the fact that a resolution may require
552		// multiple passes.
553
554	10	$value = $props->getProperty($name);
555	10	$resolved = false;
556	10	$resolveStack = [];
557
558	10	while (!$resolved) {
559	10	$fragments = [];
560	10	$propertyRefs = [];
561
562	10	PropertyHelper::getPropertyHelper($this->project)->parsePropertyString(
563	10	$value,
564		$fragments,
565		$propertyRefs
566		);
567
568	10	$resolved = true;
569	10	if (count($propertyRefs) === 0) {
570	10	continue;
571		}
572
573		$sb = "";
574
575		$j = $propertyRefs;
576
577		foreach ($fragments as $fragment) {
578		if ($fragment !== null) {
579		$sb .= $fragment;
580		continue;
581		}
582
583		$propertyName = array_shift($j);
584		if (in_array($propertyName, $resolveStack)) {
585		// Should we maybe just log this as an error & move on?
586		// $this->log("Property ".$name." was circularly defined.", Project::MSG_ERR);
587		throw new BuildException("Property " . $propertyName . " was circularly defined.");
588		}
589
590		$fragment = $this->getProject()->getProperty($propertyName);
591		if ($fragment !== null) {
592		$sb .= $fragment;
593		continue;
594		}
595
596		if ($props->containsKey($propertyName)) {
597		$fragment = $props->getProperty($propertyName);
598		if (strpos($fragment, '${') !== false) {
599		$resolveStack[] = $propertyName;
600		$resolved = false; // parse again (could have been replaced w/ another var)
601		}
602		} else {
603		$fragment = "\${" . $propertyName . "}";
604		}
605
606		$sb .= $fragment;
607		}
608
609		$this->log("Resolved Property \"$value\" to \"$sb\"", Project::MSG_DEBUG);
610		$value = $sb;
611		$props->setProperty($name, $value);
612		} // while (!$resolved)
613		} // while (count($keys)
614	11	}
615		}
616

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PropertyTask::__construct() A

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