php.java.script.servlet
Class PhpServletScriptEngine

java.lang.Object
  javax.script.AbstractScriptEngine
      php.java.script.SimplePhpScriptEngine
          php.java.script.PhpScriptEngine
              php.java.script.servlet.PhpServletScriptEngine

All Implemented Interfaces:

java.io.Closeable, ScriptEngine

public final class PhpServletScriptEngine
extends PhpScriptEngine

A PHP script engine for Servlets. See ContextLoaderListener for details. In order to evaluate PHP methods follow these steps:

1. Create a factory which creates a PHP script file from a reader using the methods from EngineFactory:

   private static File script;
private static final File getHelloScript() {
if (script!=null) return script;

String webCacheDir = ctx.getRealPath(req.getServletPath());
Reader reader = new StringReader ("<?php echo 'hello from PHP'; ?>");
return EngineFactory.getPhpScript(webCacheDir, reader);
}


2. Acquire a PHP script engine from the EngineFactory:

   ScriptEngine scriptEngine = EngineFactory.getPhpScriptEngine(this, ctx, req, res);

3. Create a FileReader for the created script file:

   Reader readerHello = EngineFactory.createPhpScriptFileReader(getHelloScript());

4. Connect its output:

   scriptEngine.getContext().setWriter (out);

5. Evaluate the engine:

   scriptEngine.eval(readerHello);

6. Close the reader:

   readerHello.close();

Alternatively one may use the following "quick and dirty" code which creates a new PHP script for each eval:

ScriptEngine e = EngineFactory.getPhpScriptEngine(this, ctx, req, res);
e.getContext().setWriter (out);
e.eval("<?php echo "hello java world"; ?>");


Field Summary

Fields inherited from interface javax.script.ScriptEngine

ARGV, ENGINE, ENGINE_VERSION, FILENAME, LANGUAGE, LANGUAGE_VERSION, NAME

Constructor Summary

PhpServletScriptEngine(javax.servlet.Servlet servlet, javax.servlet.ServletContext ctx, javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse res, java.lang.String protocol, int port)

Method Summary

Methods inherited from class php.java.script.SimplePhpScriptEngine

close, createBindings, eval, eval, getFactory, release

Methods inherited from class javax.script.AbstractScriptEngine

eval, eval, eval, eval, get, getBindings, getContext, put, setBindings, setContext

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PhpServletScriptEngine

public PhpServletScriptEngine(javax.servlet.Servlet servlet,
                              javax.servlet.ServletContext ctx,
                              javax.servlet.http.HttpServletRequest req,
                              javax.servlet.http.HttpServletResponse res,
                              java.lang.String protocol,
                              int port)
                       throws java.net.MalformedURLException

Throws:

java.net.MalformedURLException