/*
* eXist Open Source Native XML Database
* Copyright (C) 2010-2011 The eXist Project
* http://exist-db.org
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id$
*/
package org.exist.debuggee.dbgp.packets;
import org.apache.commons.io.output.ByteArrayOutputStream;
import java.io.IOException;
import org.apache.mina.core.session.IoSession;
import org.exist.debuggee.dbgp.Errors;
import org.exist.util.Base64Encoder;
/**
* @author <a href="mailto:shabanovd@gmail.com">Dmitriy Shabanov</a>
*
*/
public class Eval extends Command {
String script;
String result;
Exception exception;
public Eval(IoSession session, String args) {
super(session, args);
}
protected void init() {
script = null;
result = null;
exception = null;
}
protected void setArgument(String arg, String val) {
if (arg.equals("-")) {
script = val;
} else {
super.setArgument(arg, val);
}
}
public byte[] responseBytes() {
byte[] response;
if (exception != null) {
response = errorBytes("eval", Errors.ERR_206, exception.getMessage());
} else {
String head = xml_declaration +
"<response " +
namespaces +
"command=\"eval\" " +
"success=\""+isSuccess()+"\" "+
"transaction_id=\""+transactionID+"\">" +
"<property>";
String tail =
"</property>" +
"</response>";
Base64Encoder enc = new Base64Encoder();
enc.translate(result.getBytes());
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try {
baos.write(head.getBytes());
baos.write(new String(enc.getCharArray()).getBytes());
baos.write(tail.getBytes());
} catch (IOException e) {
}
response = baos.toByteArray();
}
return response;
}
private String isSuccess() {
if (result != null)
return "1";
return "0";
}
@Override
public void exec() {
try {
result = getJoint().evalution(script);
} catch (Exception e) {
exception = e;
}
}
public byte[] commandBytes() {
String command = "eval -i "+transactionID+" -- "+script;
return command.getBytes();
}
public void setScript(String script) {
this.script = script;
}
}