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/** java_JavaBridge.php -- provides the PHP/Java Bridge PHP API.
*
* Copyright (C) 2003-2007 Jost Boekemeier
*
* This file is part of the PHP/Java Bridge.
*
* The PHP/Java Bridge ("the library") is free software; you can
* redistribute it and/or modify it under the terms of the GNU General
* Public License as published by the Free Software Foundation; either
* version 2, or (at your option) any later version.
*
* The library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with the PHP/Java Bridge; see the file COPYING. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307 USA.
*
* Linking this file statically or dynamically with other modules is
* making a combined work based on this library. Thus, the terms and
* conditions of the GNU General Public License cover the whole
* combination.
*
* As a special exception, the copyright holders of this library give you
* permission to link this library with independent modules to produce an
* executable, regardless of the license terms of these independent
* modules, and to copy and distribute the resulting executable under
* terms of your choice, provided that you also meet, for each linked
* independent module, the terms and conditions of the license of that
* module. An independent module is a module which is not derived from
* or based on this library. If you modify this library, you may extend
* this exception to your version of the library, but you are not
* obligated to do so. If you do not wish to do so, delete this
* exception statement from your version.
*
* @author Jost Boekemeier
* @license GPL
* @link http://php-java-bridge.sf.net
*/
if(!function_exists("java_get_base")) {
1.0E512; // Workaround pfsockopen bug; initialize the socket subsystem
/**
* @access private
*/
function java_get_base() {
$ar = get_required_files();
$arLen = sizeof($ar);
if($arLen>0) {
$thiz = $ar[$arLen-1];
return dirname($thiz);
} else {
return "java";
}
}
/**
* @access private
*/
function java_truncate($str) {
if (strlen($str)>955)
return substr($str, 0, 475).'[...]'.substr($str,-475);
return $str;
}
require_once(java_get_base()."/Options.inc");
require_once(java_get_base()."/JavaProxy.inc");
/**
* @access private
*/
class java_JavaException extends Exception {
function __toString() {return $this->getMessage();}
};
/**
* @access private
*/
class java_RuntimeException extends java_JavaException {};
/**
* @access private
*/
class java_IOException extends java_JavaException {};
/**
* @access private
*/
class java_ConnectException extends java_IOException {};
/**
* @access private
*/
class java_IllegalStateException extends java_RuntimeException {};
/**
* @access private
*/
class java_IllegalArgumentException extends java_RuntimeException {
function __construct($ob) {
parent::__construct("illegal argument: ".gettype($ob));
}
};
/**
* @access private
*/
function java_eval($code) {
$newCode = '';
foreach (token_get_all($code) as $item)
{
if (is_array($item))
{
switch ($item[0])
{
case T_EXIT :
$item[1] = 'return';
break;
}
$item = $item[1];
}
$newCode.= $item;
}
$c=__javaproxy_Client_getClient();
$exitCode=eval((substr($newCode,0,2)=='<'.'?'?'?'.'>':'').$newCode);
$c->setExitCode($exitCode);
return $exitCode;
}
/**
* @access private
*/
function java_autoload_function5($x) {
$s=str_replace("_", ".", $x);
$c=__javaproxy_Client_getClient();
if(!($c->invokeMethod(0, "typeExists", array($s)))) return false;
$i = "class ${x} extends Java {".
"static function type(\$sub=null){if(\$sub) \$sub='\$'.\$sub; return java('${s}'.\"\$sub\");}".
'function __construct() {$args = func_get_args();'.
'array_unshift($args, '."'$s'".'); parent::__construct($args);}}';
eval ("$i");
return true;
}
/**
* @access private
*/
function java_autoload_function($x) {
$idx = strrpos($x, "\\"); if (!$idx) return java_autoload_function5($x);
$str=str_replace("\\", ".", $x);
$client=__javaproxy_Client_getClient();
if(!($client->invokeMethod(0, "typeExists", array($str)))) return false;
$package = substr($x,0, $idx);
$name = substr($x, 1+$idx);
$instance = "namespace $package; class ${name} extends \\Java {".
"static function type(\$sub=null){if(\$sub) \$sub='\$'.\$sub;return \\java('${str}'.\"\$sub\");}".
"static function __callStatic(\$procedure, \$args) {return \\java_invoke(\\java('${str}'), \$procedure, \$args);}".
'function __construct() {$args = func_get_args();'.
'array_unshift($args, '."'$str'".'); parent::__construct($args);}}';
eval ("$instance");
return true;
}
/** Autoload Java classes if not disabled via define("JAVA_DISABLE_AUTOLOAD", true); */
if(!defined("JAVA_DISABLE_AUTOLOAD") && function_exists("spl_autoload_register")) spl_autoload_register("java_autoload_function");
/**
* @access private
*/
function java_autoload($libs=null) {
trigger_error('Please use <a href="http://php-java-bridge.sourceforge.net/pjb/webapp.php>tomcat or jee hot deployment</a> instead', E_USER_WARNING);
}
/**
* Include the output of some Java resource.
* java_virtual() uses the PHP/Java Bridge protocol to render .jsp,
* .jsf or other Java resources through PHP scripts running within
* Apache, IIS or as a JEE sub component.
*
* Example:
* <code>
* <?php require_once("java/Java.inc");
* java_session();
* echo java_virtual("/test.jsp", true);
* ?>
* </code>
*
* @access public
* @param string The local resource
* @param bool return the response
* @return mixed The response or true
* @see http://php.net/manual/en/function.virtual.php
* @see java_session();
*/
function java_virtual($path, $return=false) {
$req = java_context()->getHttpServletRequest();
$req = new java("php.java.servlet.VoidInputHttpServletRequest", $req);
$res = java_context()->getHttpServletResponse();
$res = new java("php.java.servlet.RemoteHttpServletResponse", $res);
$req->getRequestDispatcher($path)->include($req, $res);
if ($return) return $res->getBufferContents();
echo $res->getBufferContents();
return true;
}
/**
* Access the java type with the given name.
*
* This procedure can be
* used to access constants or procedures within a class. <br>
*
* To access class features, use the java constructor instead.<br>
*
* Example: <code> java("java.lang.Long")->MAX_VALUE </code>
*
*<br> Any declared exception can be caught by PHP code. <br>
* Exceptions derived from java.lang.RuntimeException or Error must
* not be caught unless declared in the methods throws clause -- OutOfMemoryErrors cannot be caught at all,
* even if declared.
*
* @access public
* @param string The type name
* @see Java
*/
function Java($name) {
static $classMap = array();
if(array_key_exists($name, $classMap)) return $classMap[$name];
return $classMap[$name]=new JavaClass($name);
}
/**
* Alias for java_closure();
* @access private
* @see java_closure();
*/
function java_get_closure() {return java_closure_array(func_get_args());}
/**
* Alias for java_closure();
* @access private
* @see java_closure();
*/
function java_wrap() {return java_closure_array(func_get_args());}
/**
* Alias for java_values();
* @access private
* @see java_values();
*/
function java_get_values($arg) { return java_values($arg); }
/**
* Alias for java_session();
* @access private
* @see java_session();
*/
function java_get_session() {return java_session_array(func_get_args());}
/**
* Alias for java_context();
* @access private
* @see java_context();
*/
function java_get_context() {return java_context(); }
/**
* Alias for java_server_name();
* @access private
* @see java_server_name();
*/
function java_get_server_name() { return java_server_name(); }
/**
* Alias for java_is_null();
* @access private
* @see java_is_null();
*/
function java_isnull($value) { return is_null (java_values ($value)); }
/**
* Checks whether a value is null or not.
*
* Example: <code> java_is_null(java("java.lang.System")->getProperty("foo")) </code>
*
* @access public
* @param mixed A Java object or a PHP value
* @return true if $value is the PHP or Java null value.
*/
function java_is_null($value) { return is_null (java_values ($value)); }
/**
* Alias for java_is_true();
* @access private
* @see java_is_true();
*/
function java_istrue($value) { return (boolean)(java_values ($value)); }
/**
* Checks whether a value is not NULL, 0, "" or false.
* Note that if
* you want to check if a value is boolean true, use the following
* test: <code>java_values($value)===true</code>
*
* Example:
* <code>
* java_is_true(new java.lang.String("12")) => true
* </code>
*
* Example:
* <code>
* java_is_true(new java.lang.String("")) => false
* </code>
*
* Example:
* <code>
* java_is_true(1==1) => true
* </code>
*
* Example: <code> java_is_true(java("java.lang.System")->getProperty("foo")) </code>
*
* @access public
* @param mixed A Java object or a PHP value
* @return true if the PHP or Java value is true.
*/
function java_is_true($value) { return (boolean)(java_values ($value)); }
/**
* Alias for java_is_false();
* @access private
* @see java_is_false();
*/
function java_isfalse($value) { return !(java_values ($value)); }
/**
* Checks whether a value is NULL, 0, "" or false.
*
* Note that if you want to check if a value is boolean false, use
* the following test: <code>java_values($value)===false</code>
*
* Example:
* <code>
* java_is_false(new java.lang.String("12")) => false
* </code>
*
* Example:
* <code>
* java_is_false(new java.lang.String("")) => true
* </code>
*
* Example:
* <code>
* java_is_false(1==1) => false
* </code>
*
* Example: <code> java_is_false(java("java.lang.System")->getProperty("foo")) </code>
*
* @access public
* @param mixed A Java object or a PHP value
* @return true if the PHP or Java value is false.
*/
function java_is_false($value) { return !(java_values ($value)); }
/**
* Alias for java_set_file_encoding();
* @access private
* @see java_set_file_encoding();
*/
function java_set_encoding($enc) { return java_set_file_encoding ($enc); }
/**
* Call the current Java continuation with the closed-over PHP environment
* $kontinuation as its argument.
*
* This procedure can be used to transfer control back to a Java
* continuation so that Java can call PHP procedures defined within
* the passed environment. If no current Java continuation exists,
* the procedure does nothing.
*
*
* Example PHP script:
* <code>
* <?php require_once("java/Java.inc");
*
* // ... calculate sales for a given month ...
* function calculateSales($month) {return ((int)(string)$month)+1;}
*
* write_response($response);
*
* // prepare for out-of-band data: make our top-level environment
* // available to Java. But only if it has been requested by Java:
* java_call_with_continuation();
* ?>
* </code>
*
* If the above PHP script is named
* "calculateSales.php", the JSR 223 API can be used to invoke its
* functions or methods, to debug or test certain
* functionality from Java while keeping the script running in a
* production environment. The Java code follows:
* <code>
* import javax.script.*;
* import java.net.*;
* import java.io.*;
* class SalesTest {
* public static void test(Integer month) throws Exception {
* ScriptEngine e = new ScriptEngineManager().getEngineByName("php-invocable");
* ByteArrayOutputStream out;
* OutputStreamWriter writer;
* e.getContext().setWriter(writer=new OutputStreamWriter(out=new ByteArrayOutputStream()));
* Object res=e.eval(new php.java.script.URLReader(new URL("http://localhost/calculateSales.php")));
* System.err.println(((Invocable)e).invokeFunction("calculateSales", new Object[]{month}));
* ((Closeable)e).close();
* System.err.println("PHP exit() code:" + String.valueOf(res));
* System.err.println("PHP output:" + String.valueOf(out));
* }
* public static void main(String s[]) throws Exception {
* test(new Integer(12));
* }
* }
* </code>
*
* The above Java program opens a URL connection to the PHP script,
* invokes the calculateSales() function from the passed PHP
* environment and then outputs the exit code and the HTML response
* of the PHP script.
*
* @access public
* @param mixed May either be null, a PHP function name, a PHP object or a java_closure. If a PHP object is provided, the object is passed to Java. If a function name is provided, the function must return a java_closure. Otherwise the current environment is used.
*/
function java_call_with_continuation($kontinuation=null) {
if (java_getHeader("X_JAVABRIDGE_INCLUDE", $_SERVER) && !java_getHeader("X_JAVABRIDGE_INCLUDE_ONLY", $_SERVER)) {
if (is_null($kontinuation))
java_context()->call(java_closure());
elseif (is_string($kontinuation))
java_context()->call(call_user_func($kontinuation));
elseif ($kontinuation instanceof java_JavaType)
java_context()->call($kontinuation);
else
java_context()->call(java_closure($kontinuation));
}
}
} //!java_defined DO NOT REMOVE THIS LINE
?>