JsonRunner.java

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package com.neuronrobotics.bowlerstudio.scripting;
 
import java.io.File;
import java.io.InputStream;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
 
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
 
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.reflect.TypeToken;
 
public class JsonRunner implements IScriptingLanguage {
 
    // Create the type, this tells GSON what datatypes to instantiate when parsing
    // and saving the json
    private static Type TT_mapStringString = new TypeToken<HashMap<String, HashMap<String, Object>>>() {
    }.getType();
    // chreat the gson object, this is the parsing factory
    private static Gson gson = new GsonBuilder().disableHtmlEscaping().setPrettyPrinting().create();
 
    @Override
    public Object inlineScriptRun(File code, ArrayList<Object> args) throws Exception {
        String jsonString = null;
        InputStream inPut = null;
        inPut = FileUtils.openInputStream(code);
        jsonString = IOUtils.toString(inPut);
        return inlineScriptRun(jsonString, args);
    }
 
    @Override
    public Object inlineScriptRun(String code, ArrayList<Object> args) throws Exception {
 
        // perfoem the GSON parse
        HashMap<String, HashMap<String, Object>> database = gson.fromJson(code, TT_mapStringString);
        return database;
    }
 
    @Override
    public String getShellType() {
        return "JSON";
    }
 
    @Override
    public boolean getIsTextFile() {
        return true;
    }
 
    public String getDefaultContents() {
        return "{}";
    }
 
    @Override
    public ArrayList<String> getFileExtenetion() {
        // TODO Auto-generated method stub
        return new ArrayList<>(Arrays.asList("json"));
    }
}