/ProjectSign/src/com/google/code/test/HelloWorld.java

package com.google.code.test;



import javax.script.*;



public class HelloWorld {



	String phpPrint = "print";

	public static final String T = ";";



	private String phpSelfPostURL() {

		String php = "$_POST ? $_SERVER['PHP_SELF'] : 'NEED TO POST A FORM FIRST!'";



		return php;

	}



	/**

	 * Translate to PHP codes.

	 * 

	 * @param statement

	 *            in JavaScript only

	 * @return

	 */

	private String toPhp(String jsStatement) {

		String retVal = jsStatement;



		if (jsStatement != null) {

			retVal = jsPrint2Php(jsStatement);

			retVal = jsBoolean2Php(jsStatement);

		}



		return retVal;

	}



	public String jsString2Php(String jsStatement) {

		String retVal = jsStatement;

		String temp = null;

		if (jsStatement != null && jsStatement.trim().indexOf("print") == 0) {

			retVal = jsStatement.replaceAll("print", "strlen");

		} else if (jsStatement != null

				&& jsStatement.trim().indexOf("print") == 0) {

			retVal = jsStatement.replaceAll("print", "trim");

		} else if (jsStatement != null

				&& jsStatement.trim().indexOf("print") == 0) {

			retVal = jsStatement.replaceAll("print", "strtolower");

		} else if (jsStatement != null

				&& jsStatement.trim().indexOf("print") == 0) {

			retVal = jsStatement.replaceAll("print", "strtoupper");

		} else if (jsStatement != null

				&& jsStatement.trim().indexOf("print") == 0) {

			retVal = jsStatement.replaceAll("print", "nl2br");

		} else if (jsStatement != null

				&& jsStatement.trim().indexOf("print") == 0) {

			retVal = jsStatement.replaceAll("print", "htmlentities");

		} else if (jsStatement != null

				&& jsStatement.trim().indexOf("print") == 0) {

			retVal = jsStatement.replaceAll("print", "html_entity_decode");

		} else if (jsStatement != null

				&& jsStatement.trim().indexOf("print") == 0) {

			retVal = jsStatement.replaceAll("print", "strpos");

		} else if (jsStatement != null

				&& jsStatement.trim().indexOf("print") == 0) {

			retVal = jsStatement.replaceAll("print", "stripos");

		} else if (jsStatement != null

				&& jsStatement.trim().indexOf("print") == 0) {

			retVal = jsStatement.replaceAll("print", "strrpos");

		} else if (jsStatement != null

				&& jsStatement.trim().indexOf("print") == 0) {

			retVal = jsStatement.replaceAll("print", "strripos");

		} else if (jsStatement != null

				&& jsStatement.trim().indexOf("print") == 0) {

			retVal = jsStatement.replaceAll("print", "str_replace");

		} else if (jsStatement != null

				&& jsStatement.trim().indexOf("print") == 0) {

			retVal = jsStatement.replaceAll("print", "str_ireplace");

		} else if (jsStatement != null

				&& jsStatement.trim().indexOf("print") == 0) {

			retVal = jsStatement.replaceAll("print", "stripslashes");

		} else if (jsStatement != null

				&& jsStatement.trim().indexOf("print") == 0) {

			retVal = jsStatement.replaceAll("print", "strip_tags");

		} else if (jsStatement != null

				&& jsStatement.trim().indexOf("print") == 0) {

			retVal = jsStatement.replaceAll("print", "is_numeric");

		} else if (jsStatement != null

				&& jsStatement.trim().indexOf("print") == 0) {

			retVal = jsStatement.replaceAll("print", "ctype_digit");

		} else if (jsStatement != null

				&& jsStatement.trim().indexOf("print") == 0) {

			retVal = jsStatement.replaceAll("print", "ctype_alnum");

		} else if (jsStatement != null

				&& jsStatement.trim().indexOf("print") == 0) {

			retVal = jsStatement.replaceAll("print", "ctype_alpha");

		}



		return retVal;

	}



	public String jsPrint2Php(String jsStatement) {

		String retVal = jsStatement;

		if (jsStatement != null && jsStatement.trim().indexOf("print") == 0) {

			// retVal = jsStatement.replaceAll("\\Q" + "print" + "\\E", "echo");

			retVal = jsStatement.replaceAll("print", "echo");

		}

		return retVal;

	}



	private String jsBoolean2Php(String jsStatement) {

		String retVal = jsStatement;

		if (jsStatement != null && jsStatement.trim().indexOf("TRUE") == 0) {

			// do nothing, php is also TRUE

		} else if (jsStatement != null

				&& jsStatement.trim().indexOf("FALSE") == 0) {

			// do nothing, php is also FALSE

		}

		return retVal;

	}



	/**

	 * Wrap the php array with array_key_exists function.

	 * 

	 * @param array

	 *            e.g. $_GET (without the array [ and ])

	 * @param key

	 *            e.g. 'bg' (with the proper quotes)

	 * @param keyNotFoundValue

	 *            e.g. "#FFFFFF" (with the proper quotes)

	 * @return the string wrapped with array_key_exists

	 */

	private String phpSafeArray(String array, String key,

			String keyNotFoundValue) {

		String retVal = null;



		if (array != null && !"".equals(array) && key != null

				&& !"".equals(key) && keyNotFoundValue != null

				&& !"".equals(keyNotFoundValue)) {

			retVal = "$temp = array_key_exists(" + key + ", " + array + ")? "

					+ array + "[" + key + "]: " + keyNotFoundValue + T;

		}



		return retVal;

	}



	/*

	 * If enclosed variable exists, must be enclosed with " not '.

	 */

	private String phpEnclosedVariable(String enclosedVariable) {

		String retVal = enclosedVariable;



		if (retVal != null) {

			if (retVal.indexOf("'") == 0) {

				// assuming if there is head, there will be a tail

				retVal = retVal.replaceAll("'", "\"");

			}

		}



		return retVal;

	}



	public static void main(String[] args) throws Exception {

		// HelloWorld h = new HelloWorld();

		// System.out.println(h.jsPrint2Php("print printprint"));



		// create a script engine manager

		ScriptEngineManager factory = new ScriptEngineManager();

		// create a JavaScript engine

		ScriptEngine engine = factory.getEngineByName("JavaScript");

		// evaluate JavaScript code from String

		// engine.eval("print('Hello, World')");



		ScriptEngineManager factory2 = new ScriptEngineManager();

		ScriptEngine engine2 = factory2.getEngineByName("php");

		// engine2.eval("<?php echo 'Hello, World'?>");



	}



}