prompto.value.VersionValue Maven / Gradle / Ivy

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package prompto.value;

import java.io.IOException;
import java.lang.reflect.Type;
import java.util.Map;
import java.util.function.Function;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.JsonNodeFactory;

import prompto.error.PromptoError;
import prompto.error.ReadWriteError;
import prompto.error.SyntaxError;
import prompto.grammar.Identifier;
import prompto.intrinsic.PromptoVersion;
import prompto.runtime.Context;
import prompto.type.VersionType;

public class VersionValue extends BaseValue implements Comparable {

	public static VersionValue Parse(String text) {
		PromptoVersion value = PromptoVersion.parse(text);
		return new VersionValue(value);
	}

	PromptoVersion value;

	public VersionValue(PromptoVersion value) {
		super(VersionType.instance());
		this.value = value;

	}

	@Override
	public PromptoVersion getStorableData() {
		return value;
	}

	@Override
	public int compareTo(Context context, IValue value) throws PromptoError {
		if (value instanceof VersionValue)
			return this.value.compareTo(((VersionValue) value).value);
		else
			throw new SyntaxError("Illegal comparison: Version - " + value.getClass().getSimpleName());

	}

	@Override
	public Object toJavaValue(Context context, Type type) {
		if(type==PromptoVersion.class)
			return value;
		else
			return super.toJavaValue(context, type);
	}

	@Override
	public int compareTo(VersionValue other) {
		return value.compareTo(other.value);
	}

	@Override
	public boolean equals(Object obj) {
		if (obj instanceof VersionValue)
			return value.equals(((VersionValue) obj).value);
		else
			return value.equals(obj);
	}

	@Override
	public int hashCode() {
		return value.hashCode();
	}

	@Override
	public String toString() {
		return value.toString();
	}

	@Override
	public JsonNode valueToJsonNode(Context context, Function producer) throws PromptoError {
		return JsonNodeFactory.instance.textNode(this.toString());
	}

	@Override
	public void toJsonStream(Context context, JsonGenerator generator, boolean withType, Map data)
			throws PromptoError {
		try {
			if (withType) {
				generator.writeStartObject();
				generator.writeStringField("type", VersionType.instance().getTypeName());
				generator.writeFieldName("value");
			}
			generator.writeString(value.toString());
			if (withType)
				generator.writeEndObject();
		} catch (IOException e) {
			throw new ReadWriteError(e.getMessage());
		}
	}

	@Override
	public IValue getMember(Context context, Identifier id, boolean autoCreate) {
		switch (id.toString()) {
		case "major":
			return new IntegerValue(value.getMajor());
		case "minor":
			return new IntegerValue(value.getMinor());
		case "fix":
			return new IntegerValue(value.getFix());
		case "qualifier":
			return new TextValue(value.getQualifier());
		default:
			return super.getMember(context, id, autoCreate);
		}
	}

}