equivalent-exchange-3/src/main/java/com/pahimar/ee3/util/SerializationHelper.java
2016-05-18 20:54:04 -04:00

288 lines
10 KiB
Java

package com.pahimar.ee3.util;
import com.google.common.reflect.TypeToken;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonParseException;
import com.google.gson.stream.JsonReader;
import com.google.gson.stream.JsonWriter;
import com.pahimar.ee3.api.exchange.EnergyValue;
import com.pahimar.ee3.exchange.EnergyValueStackMapping;
import com.pahimar.ee3.exchange.OreStack;
import com.pahimar.ee3.exchange.WrappedStack;
import com.pahimar.ee3.knowledge.TransmutationKnowledge;
import com.pahimar.ee3.reference.Reference;
import com.pahimar.ee3.util.serialize.*;
import cpw.mods.fml.common.FMLCommonHandler;
import net.minecraft.item.ItemStack;
import net.minecraftforge.fluids.FluidStack;
import java.io.*;
import java.lang.reflect.Type;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import java.util.TreeSet;
public class SerializationHelper {
public static final Type ENERGY_VALUE_MAP_TYPE = new TypeToken<Map<WrappedStack, EnergyValue>>(){}.getType();
public static final Type WRAPPED_STACK_SET_TYPE = new TypeToken<Set<WrappedStack>>(){}.getType();
public static final Gson GSON = new GsonBuilder()
.setPrettyPrinting()
.enableComplexMapKeySerialization()
.registerTypeAdapter(ItemStack.class, new ItemStackSerializer())
.registerTypeAdapter(OreStack.class, new OreStackSerializer())
.registerTypeAdapter(FluidStack.class, new FluidStackSerializer())
.registerTypeAdapter(WrappedStack.class, new WrappedStackSerializer())
.registerTypeAdapter(ENERGY_VALUE_MAP_TYPE, new EnergyValueMapSerializer())
.create();
private static File instanceDataDirectory;
private static File instancePlayerDataDirectory;
/**
* Returns a File reference to the mod specific directory in the data directory
*
* @return
*/
public static File getInstanceDataDirectory()
{
return instanceDataDirectory;
}
/**
* Returns a File reference to the mod specific directory in the playerdata directory
*
* @return
*/
public static File getInstancePlayerDataDirectory()
{
return instancePlayerDataDirectory;
}
/**
* TODO Move this to {@link com.pahimar.ee3.reference.Files}
*
* Creates (if one does not exist already) and initializes a mod specific File reference inside of the current world's playerdata directory
*/
public static void initModDataDirectories() {
instanceDataDirectory = new File(FMLCommonHandler.instance().getMinecraftServerInstance().getEntityWorld().getSaveHandler().getWorldDirectory(), "data" + File.separator + Reference.LOWERCASE_MOD_ID);
instanceDataDirectory.mkdirs();
instancePlayerDataDirectory = new File(FMLCommonHandler.instance().getMinecraftServerInstance().getEntityWorld().getSaveHandler().getWorldDirectory(), "playerdata" + File.separator + Reference.LOWERCASE_MOD_ID);
instancePlayerDataDirectory.mkdirs();
}
public static TransmutationKnowledge readTransmutationKnowledgeFromFile(File directory, String fileName)
{
if (!directory.exists())
{
directory.mkdirs();
}
return TransmutationKnowledge.readFromFile(new File(directory, fileName));
}
public static void writeTransmutationKnowledgeToFile(File directory, String fileName, TransmutationKnowledge transmutationKnowledge)
{
writeTransmutationKnowledgeToFile(directory, fileName, transmutationKnowledge, false);
}
public static void writeTransmutationKnowledgeToFile(File directory, String fileName, TransmutationKnowledge transmutationKnowledge, boolean verboseLogging)
{
if (directory != null && fileName != null)
{
if (!directory.exists())
{
directory.mkdirs();
}
if (transmutationKnowledge == null)
{
transmutationKnowledge = new TransmutationKnowledge();
}
try
{
File file1 = new File(directory, fileName + ".tmp");
File file2 = new File(directory, fileName);
TransmutationKnowledge.writeToFile(file1, transmutationKnowledge);
if (file2.exists())
{
file2.delete();
}
file1.renameTo(file2);
if (verboseLogging)
{
LogHelper.info("Successfully saved TransmutationKnowledge to file: {}", file2.getAbsolutePath());
}
}
catch (Exception exception)
{
exception.printStackTrace();
LogHelper.error("Failed to save TransmutationKnowledge to file: {}{}", directory.getAbsolutePath(), fileName);
}
}
}
public static Map<WrappedStack, EnergyValue> readEnergyValueStackMapFromJsonFile(String fileName)
{
File energyValuesDataDirectory = new File(FMLCommonHandler.instance().getMinecraftServerInstance().getEntityWorld().getSaveHandler().getWorldDirectory(), "data" + File.separator + Reference.LOWERCASE_MOD_ID + File.separator + "energyvalues");
return readEnergyValueStackMapFromJsonFile(new File(energyValuesDataDirectory, fileName));
}
public static Map<WrappedStack, EnergyValue> readEnergyValueStackMapFromJsonFile(File jsonFile)
{
Map<WrappedStack, EnergyValue> energyValueStackMap = new TreeMap<WrappedStack, EnergyValue>();
JsonReader jsonReader;
try
{
jsonReader = new JsonReader(new FileReader(jsonFile));
jsonReader.beginArray();
while (jsonReader.hasNext())
{
EnergyValueStackMapping energyValueStackMapping = EnergyValueStackMapping.jsonSerializer.fromJson(jsonReader, EnergyValueStackMapping.class);
if (energyValueStackMapping != null)
{
energyValueStackMap.put(energyValueStackMapping.wrappedStack, energyValueStackMapping.energyValue);
}
}
jsonReader.endArray();
jsonReader.close();
}
catch (FileNotFoundException ignored)
{
}
catch (IOException e)
{
e.printStackTrace();
}
return energyValueStackMap;
}
public static void writeEnergyValueStackMapToJsonFile(String fileName, Map<WrappedStack, EnergyValue> energyValueMap)
{
File energyValuesDataDirectory = new File(FMLCommonHandler.instance().getMinecraftServerInstance().getEntityWorld().getSaveHandler().getWorldDirectory(), "data" + File.separator + Reference.LOWERCASE_MOD_ID + File.separator + "energyvalues");
writeEnergyValueStackMapToJsonFile(new File(energyValuesDataDirectory, fileName), energyValueMap);
}
public static void writeEnergyValueStackMapToJsonFile(File jsonFile, Map<WrappedStack, EnergyValue> energyValueMap)
{
JsonWriter jsonWriter;
try
{
jsonWriter = new JsonWriter(new FileWriter(jsonFile));
jsonWriter.setIndent(" ");
jsonWriter.beginArray();
for (WrappedStack wrappedStack : energyValueMap.keySet())
{
if (wrappedStack != null && wrappedStack.getWrappedObject() != null)
{
EnergyValueStackMapping.jsonSerializer.toJson(new EnergyValueStackMapping(wrappedStack, energyValueMap.get(wrappedStack)), EnergyValueStackMapping.class, jsonWriter);
}
}
jsonWriter.endArray();
jsonWriter.close();
}
catch (IOException e)
{
e.printStackTrace();
}
}
public static Set<WrappedStack> readSetFromFile(File file) throws FileNotFoundException {
Set<WrappedStack> wrappedStackSet = new TreeSet<>();
try {
wrappedStackSet = GSON.fromJson(readJsonFile(file), WRAPPED_STACK_SET_TYPE);
}
catch (JsonParseException exception) {
// TODO Better logging of the exception (failed parsing so no values loaded)
}
return wrappedStackSet;
}
public static void writeSetToFile(Set<WrappedStack> wrappedStackSet, File file) {
writeJsonFile(file, GSON.toJson(wrappedStackSet));
}
public static Map<WrappedStack, EnergyValue> readMapFromFile(File file) throws FileNotFoundException {
Map<WrappedStack, EnergyValue> valueMap = new TreeMap<>();
try {
valueMap = GSON.fromJson(readJsonFile(file), ENERGY_VALUE_MAP_TYPE);
}
catch (JsonParseException exception) {
// TODO Better logging of the exception (failed parsing so no values loaded)
}
return valueMap;
}
public static void writeMapToFile(Map<WrappedStack, EnergyValue> valueMap, File file) {
writeJsonFile(file, GSON.toJson(valueMap, ENERGY_VALUE_MAP_TYPE));
}
private static String readJsonFile(File file) throws FileNotFoundException {
StringBuilder jsonStringBuilder = new StringBuilder();
try (BufferedReader bufferedReader = new BufferedReader(new FileReader(file))) {
jsonStringBuilder = new StringBuilder();
String line;
while ((line = bufferedReader.readLine()) != null) {
jsonStringBuilder.append(line);
}
}
catch (IOException exception) {
if (exception instanceof FileNotFoundException) {
throw (FileNotFoundException) exception;
}
else {
exception.printStackTrace(); // TODO Better logging of the exception
}
}
return jsonStringBuilder.toString();
}
private static void writeJsonFile(File file, String fileContents) {
File tempFile = new File(file.getAbsolutePath() + "_tmp");
if (tempFile.exists()) {
tempFile.delete();
}
try (BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(tempFile))) {
bufferedWriter.write(fileContents);
bufferedWriter.close();
}
catch (IOException exception) {
exception.printStackTrace(); // TODO Better logging of the exception
}
if (file.exists()) {
file.delete();
}
if (file.exists()) {
LogHelper.warn("Failed to delete " + file);
}
else {
tempFile.renameTo(file);
}
}
}