/*
* Copyright (c) 1998-2010 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source 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 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.quercus.script;
import com.caucho.quercus.env.Env;
import com.caucho.quercus.env.Value;
import com.caucho.quercus.page.InterpretedPage;
import com.caucho.quercus.page.QuercusPage;
import com.caucho.quercus.program.QuercusProgram;
import com.caucho.vfs.*;
import javax.script.CompiledScript;
import javax.script.ScriptContext;
import javax.script.ScriptEngine;
import javax.script.ScriptException;
import java.io.Writer;
/**
* Script engine
*/
public class QuercusCompiledScript extends CompiledScript {
private final QuercusScriptEngine _engine;
private final QuercusProgram _program;
QuercusCompiledScript(QuercusScriptEngine engine, QuercusProgram program)
{
_engine = engine;
_program = program;
}
/**
* evaluates based on a reader.
*/
public Object eval(ScriptContext cxt)
throws ScriptException
{
Env env = null;
try {
Writer writer = cxt.getWriter();
WriteStream out;
if (writer != null) {
ReaderWriterStream s = new ReaderWriterStream(null, writer);
WriteStream os = new WriteStream(s);
os.setNewlineString("\n");
try {
os.setEncoding("utf-8");
} catch (Exception e) {
}
out = os;
}
else
out = new NullWriteStream();
QuercusPage page = new InterpretedPage(_program);
env = new Env(_engine.getQuercus(), page, out, null, null);
env.setScriptContext(cxt);
// php/214g
env.start();
Value resultV = _program.execute(env);
Object result = null;
if (resultV != null)
result = resultV.toJavaObject();
out.flushBuffer();
out.free();
return result;
/*
} catch (ScriptException e) {
throw e;
*/
} catch (RuntimeException e) {
throw e;
} catch (Exception e) {
throw new ScriptException(e);
} catch (Throwable e) {
throw new RuntimeException(e);
} finally {
if (env != null)
env.close();
}
}
/**
* Returns the script engine.
*/
public ScriptEngine getEngine()
{
return _engine;
}
public String toString()
{
return "QuercusCompiledScript[]";
}
}