MinecraftMods/BCLib
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Implemented content based syncing

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This commit is contained in:
Frank 2021-08-15 13:55:31 +02:00
parent f80b55aa50
commit 5df6de1e3a
7 changed files with 194 additions and 49 deletions
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89
src/main/java/ru/bclib/config/ConfigKeeper.java
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@ -6,9 +6,13 @@ import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import net.minecraft.util.GsonHelper;
import org.jetbrains.annotations.Nullable;
import ru.bclib.api.dataexchange.handler.FileContentWrapper;
import ru.bclib.util.JsonFactory;
import ru.bclib.util.Pair;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.OutputStream;
import java.lang.reflect.Type;
import java.util.Map;
import java.util.function.Consumer;
@ -25,24 +29,97 @@ public final class ConfigKeeper {
this.writer = new ConfigWriter(modID, group);
this.configObject = writer.load();
}
File getConfigFile(){
File getConfigFile() {
return this.writer.getConfigFile();
}
boolean compareAndUpdateForSync(JsonObject other) {
final JsonObject me = this.configObject;
return true;
boolean compareAndUpdateForSync(FileContentWrapper content) {
ByteArrayInputStream inputStream = content.getInputStream();
final JsonObject other = JsonFactory.getJsonObject(inputStream);
boolean changed = this.compareAndUpdateForSync(other);
if (changed) {
OutputStream outStream = content.getEmptyOutputStream();
JsonFactory.storeJson(outStream, this.configObject);
content.syncWithOutputStream();
}
return changed;
}
boolean compareAndUpdateForSync(JsonObject other) {
return compareAndUpdateForSync(this.configObject, other);
}
private static Pair<JsonElement, Pair<String, String>> find(JsonObject json, Pair<String, String> key) {
for (var entry : json.entrySet()) {
final Pair<String, String> otherKey = ConfigKey.realKey(entry.getKey());
if (otherKey.first.equals(key.first)) return new Pair<>(entry.getValue(), otherKey);
}
return null;
}
/**
* Called for content based auto-sync.
*
* @param me - When called in AutoSync this represents the content of the client.
* @param other - When called in AutoSync, this represents the content of the server
* @return {@code true} if content was changed
*/
static boolean compareAndUpdateForSync(JsonObject me, JsonObject other) {
boolean changed = false;
for (var otherEntry : other.entrySet()) {
final Pair<String, String> otherKey = ConfigKey.realKey(otherEntry.getKey());
final JsonElement otherValue = otherEntry.getValue();
Pair<JsonElement, Pair<String, String>> temp = find(me, otherKey);
//we already have an entry
if (temp != null) {
final Pair<String, String> myKey = temp.second;
final JsonElement myValue = temp.first;
if ((otherValue.isJsonNull() && !myValue.isJsonNull()) || (otherValue.isJsonPrimitive() && !myValue.isJsonPrimitive()) || (otherValue.isJsonObject() && !myValue.isJsonObject()) || (otherValue.isJsonArray() && !myValue.isJsonArray())) {
//types are different => replace with "server"-version in other
changed = true;
me.add(myKey.first + myKey.second, otherValue);
}
else if (otherValue.isJsonPrimitive()) {
if (!otherValue.equals(myValue)) {
changed = true;
me.add(myKey.first + myKey.second, otherValue);
}
}
else if (otherValue.isJsonObject()) {
changed |= compareAndUpdateForSync(myValue.getAsJsonObject(), otherValue.getAsJsonObject());
}
else if (otherValue.isJsonArray()) {
if (!otherValue.equals(myValue)) {
changed = true;
me.add(myKey.first + myKey.second, otherValue);
}
}
}
else { //no entry, just copy the value from other
changed = true;
me.add(otherKey.first + otherKey.second, otherValue);
}
}
return changed;
}
public void save() {
if (!changed) return;
this.writer.save();
this.changed = false;
}
void reload() {
this.configObject = this.writer.reload();
this.configEntries.clear();
this.changed = false;
}