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Utf8Info.php
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91 lines (76 loc) · 1.88 KB
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<?php
declare(strict_types=1);
namespace PHPJava\Kernel\Structures;
use PHPJava\Core\JavaClass;
class Utf8Info implements StructureInterface, FreezableInterface
{
use \PHPJava\Kernel\Core\BinaryReader;
use \PHPJava\Kernel\Core\ConstantPool;
use \PHPJava\Kernel\Core\DebugTool;
/**
* @var int
*/
private $length = 0;
/**
* @var string
*/
private $string = '';
/**
* @var bool
*/
private $isWritable = false;
/**
* @var bool
*/
private $isFrozen = false;
/**
* @var JavaClass $stringObject
*/
private $stringObject;
public function execute(): void
{
$this->length = $this->readUnsignedShort();
for ($i = 0; $i < $this->length; $i++) {
$this->string .= chr($this->readUnsignedByte());
}
$this->stringObject = JavaClass::load('java.lang.String');
$this->stringObject->getInvoker()->construct($this->string);
}
public function getLength(): int
{
return $this->length;
}
public function enableWrite(bool $enable): self
{
if (!$this->isFrozen) {
$this->isWritable = $enable;
}
return $this;
}
public function freeze(): void
{
$this->isFrozen = true;
$this->enableWrite(false);
}
public function getString(): string
{
return $this->string;
}
public function getStringObject(): JavaClass
{
return $this->stringObject;
}
public function setStringObject(JavaClass $stringObject): self
{
// TODO: Add validation that checks $stringObject is a java.lang.String.
if ($this->isWritable) {
$this->stringObject = $stringObject;
$this->freeze();
}
return $this;
}
public function __toString(): string
{
return $this->getString();
}
}