53 lines
2.5 KiB
Java
53 lines
2.5 KiB
Java
package io.gitlab.jfronny.respackopts.gson.entry;
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import io.gitlab.jfronny.gson.*;
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import io.gitlab.jfronny.respackopts.model.tree.ConfigNumericEntry;
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import io.gitlab.jfronny.respackopts.model.enums.NumericEntryType;
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import java.lang.reflect.Type;
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public class NumericEntrySerializer implements JsonSerializer<ConfigNumericEntry>, JsonDeserializer<ConfigNumericEntry> {
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@Override
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public JsonElement serialize(ConfigNumericEntry src, Type typeOfSrc, JsonSerializationContext context) {
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return new JsonPrimitive(src.getValue());
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}
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@Override
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public ConfigNumericEntry deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
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if (json.isJsonPrimitive() && json.getAsJsonPrimitive().isNumber()) {
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ConfigNumericEntry result = new ConfigNumericEntry(NumericEntryType.Box);
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result.setValue(json.getAsDouble());
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result.setDefault(json.getAsDouble());
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return result;
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}
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else if (json.isJsonObject()) {
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JsonObject o = json.getAsJsonObject();
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boolean slider = o.has("type") && o.get("type").getAsString().equals("slider");
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ConfigNumericEntry result = new ConfigNumericEntry(slider ? NumericEntryType.Slider : NumericEntryType.Box);
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JsonElement min = o.get("min");
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JsonElement max = o.get("max");
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if (slider && (min == null || max == null))
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throw new JsonSyntaxException("min/max must not be null for slider");
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if (min != null) {
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if (min.isJsonPrimitive() && min.getAsJsonPrimitive().isNumber()) {
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result.min = min.getAsNumber().doubleValue();
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}
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else throw new JsonSyntaxException("Expected number as min of numeric entry");
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}
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if (max != null) {
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if (max.isJsonPrimitive() && max.getAsJsonPrimitive().isNumber()) {
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result.max = max.getAsNumber().doubleValue();
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}
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else throw new JsonSyntaxException("Expected number as max of numeric entry");
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}
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if (slider && (isOdd(result.min) || isOdd(result.max)))
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throw new JsonSyntaxException("Expected whole number in slider definition");
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return result;
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}
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throw new JsonSyntaxException("Could not deserialize numeric entry");
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}
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public static boolean isOdd(double v) {
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return v != Math.floor(v) || Double.isInfinite(v);
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}
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}
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