com.balajeetm.mystique.core.LoopySpell Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of json-mystique Show documentation
Show all versions of json-mystique Show documentation
Json Utility to transform Jsons
The newest version!
/*
* Copyright (c) Balajee TM 2016.
* All rights reserved.
* License - @see
*/
/*
* Created on 25 Aug, 2016 by balajeetm
* http://www.balajeetm.com
*/
package com.balajeetm.mystique.core;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
import org.apache.commons.collections4.CollectionUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.balajeetm.mystique.core.lever.MystiqueLever;
import com.balajeetm.mystique.core.util.MystiqueConstants;
import com.google.common.collect.Lists;
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonNull;
import com.google.gson.JsonObject;
/**
* The Class LoopySpell.
*
* @author balajeetm
*/
public class LoopySpell implements Spell {
/** The source. */
private List source;
/** The dependencies. */
private JsonObject dependencies;
/** The aces. */
private JsonObject aces;
/** The turn. */
private JsonObject turn;
/** The result. */
private JsonObject resultWrapper;
/** The logger. */
protected Logger logger = LoggerFactory.getLogger(this.getClass().getName());
/** The json lever. */
private MystiqueLever jsonLever;
/**
* Instantiates a new loopy spell.
*
* @param source the source
* @param dependencies the dependencies
* @param aces the aces
* @param turn the turn
* @param resultWrapper the result wrapper
*/
public LoopySpell(
List source,
JsonObject dependencies,
JsonObject aces,
JsonObject turn,
JsonObject resultWrapper) {
this.source = source;
this.dependencies = dependencies;
this.aces = aces;
this.turn = turn;
this.resultWrapper = resultWrapper;
jsonLever = MystiqueLever.getInstance();
}
/*
* (non-Javadoc)
*
* @see
* com.futuresight.util.mystique.Spell#cast(com.futuresight.util.mystique.
* Mystique)
*/
@Override
public JsonElement cast(MystTurn mystique) {
JsonElement transform = JsonNull.INSTANCE;
if (CollectionUtils.isNotEmpty(source)) {
transform = new JsonArray();
List> cfs = new ArrayList<>();
JsonArray jsonArray = source.get(0).getAsJsonArray();
for (JsonElement jsonElement : jsonArray) {
CompletableFuture transformElement =
CompletableFuture.supplyAsync(
() ->
mystique.transform(
Lists.newArrayList(jsonElement),
dependencies,
aces,
turn,
resultWrapper))
.exceptionally(
e -> {
String msg =
String.format(
"Error transforming one of the elements in the array for %s - %s",
turn, e.getMessage());
logger.info(msg, e);
return JsonNull.INSTANCE;
});
cfs.add(transformElement);
}
for (CompletableFuture completableFuture : cfs) {
JsonElement element = null;
try {
element = completableFuture.get();
} catch (InterruptedException | ExecutionException e) {
String msg =
String.format(
"Error getting transformed element for one of the elements in the array for %s - %s",
turn, e.getMessage());
logger.info(msg, e);
element = JsonNull.INSTANCE;
}
Boolean optional = jsonLever.asBoolean(turn.get(MystiqueConstants.OPTIONAL), Boolean.FALSE);
if (jsonLever.isNotNull(element) || !optional) {
transform.getAsJsonArray().add(element);
}
}
}
return transform;
}
}