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Add dirty implementation of custom javascript scripting

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gnosygnu
2016-10-13 12:09:43 -04:00
parent b7f089a3ab
commit c98404a8fe
16 changed files with 231 additions and 84 deletions
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30
400_xowa/src/gplx/langs/htmls/scripts/Gfh_script_engine.java Normal file
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/*
XOWA: the XOWA Offline Wiki Application
Copyright (C) 2012 gnosygnu@gmail.com
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package gplx.langs.htmls.scripts; import gplx.*; import gplx.langs.*; import gplx.langs.htmls.*;
public interface Gfh_script_engine {
void Load_script(Io_url url);
Object Get_object(String obj_name);
void Put_object(String name, Object obj);
Object Invoke_method(Object obj, String func, Object... args);
}
class Gfh_script_engine__noop implements Gfh_script_engine {
public void Load_script(Io_url url) {}
public Object Get_object(String obj_name) {return null;}
public void Put_object(String name, Object obj) {}
public Object Invoke_method(Object obj, String func, Object... args) {return null;}
}

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400_xowa/src/gplx/langs/htmls/scripts/Gfh_script_engine__java.java Normal file
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/*
XOWA: the XOWA Offline Wiki Application
Copyright (C) 2012 gnosygnu@gmail.com
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package gplx.langs.htmls.scripts; import gplx.*; import gplx.langs.*; import gplx.langs.htmls.*;
import java.io.FileReader;
import javax.script.Invocable;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
public class Gfh_script_engine__java implements Gfh_script_engine {
private final ScriptEngine engine;
private final Invocable invk;
public Gfh_script_engine__java() {
ScriptEngineManager manager = new ScriptEngineManager();
this.engine = manager.getEngineByName("JavaScript");
this.invk = (Invocable)engine;
}
public void Load_script(Io_url url) {
FileReader rdr = null;
try {
rdr = new FileReader(url.Xto_api());
engine.eval(rdr);
// return engine.eval(script);
} catch (Exception e) {
System.out.println(e);
}
finally {
try {
rdr.close();
} catch (Exception e) {
System.out.println(e);
}
}
}
public void Put_object(String key, Object val) {
engine.put(key, val);
}
public Object Get_object(String obj_name) {
try {
return engine.get(obj_name);
} catch (Exception e) {
System.out.println(e);
return null;
}
}
public Object Invoke_method(Object obj, String func, Object... args) {
try {
return invk.invokeMethod(obj, func, args);
} catch (Exception e) {
System.out.println(e);
return null;
}
}
}