Add Version system

build.gradle

@@ -14,8 +14,9 @@ repositories {
 
 dependencies {
     compile 'com.google.code.gson:gson:+'
-    compile "com.github.TheRandomLabs:CurseAPI:master-SNAPSHOT"
     compile 'com.google.code.findbugs:jsr305:3.0.2'
+    compile 'org.apache.maven:maven-artifact:3.6.3'
+
 
     testCompile group: 'junit', name: 'junit', version: '4.12'
 }

src/main/java/ley/anvil/addonscript/curse/ManifestJSON.java

@@ -37,12 +37,12 @@ public class ManifestJSON extends JSON {
         public String id;
         public boolean primary;
 
-        public AddonscriptJSON.Relation toRelation(String mcv) {
+        public AddonscriptJSON.Relation toRelation() {
             if (id != null && id.startsWith("forge-")) {
                 AddonscriptJSON.Relation rel = new AddonscriptJSON.Relation();
                 rel.type = "modloader";
                 rel.id = "forge";
-                rel.versions = "[" + mcv +  id.replaceAll("forge", "") + "]";
+                rel.versions = "[" + id.replaceAll("forge", "") + "]";
                 rel.options = new ArrayList<>();
                 rel.options.add("required");
                 rel.options.add("client");
@@ -107,7 +107,7 @@ public class ManifestJSON extends JSON {
 
         if (minecraft != null) {
             for (Modloader l : minecraft.modLoaders) {
-                version.relations.add(l.toRelation(minecraft.version));
+                version.relations.add(l.toRelation());
             }
         }
         

src/main/java/ley/anvil/addonscript/wrapper/ASWrapper.java

@@ -9,10 +9,10 @@ import ley.anvil.addonscript.curse.CurseMeta;
 import ley.anvil.addonscript.forge.ForgeMeta;
 import ley.anvil.addonscript.installer.IInstaller;
 import ley.anvil.addonscript.installer.InternalDirInstaller;
-import ley.anvil.addonscript.maven.ArtifactDestination;
 import ley.anvil.addonscript.util.HTTPRequest;
 import ley.anvil.addonscript.util.Utils;
 import ley.anvil.addonscript.v1.AddonscriptJSON;
+import org.apache.maven.artifact.versioning.InvalidVersionSpecificationException;
 
 import javax.annotation.Nullable;
 import java.io.File;
@@ -278,6 +278,14 @@ public class ASWrapper {
             return new MetaData();
         }
 
+        public Versions getVersions() {
+            try {
+                return new Versions(relation.versions);
+            } catch (InvalidVersionSpecificationException e) {
+                throw new RuntimeException("Error in JSON");
+            }
+        }
+
     }
 
     public static Map<ArtifactDestination, MetaData> getMetaData(ArtifactDestination[] artifacts) {

src/main/java/ley/anvil/addonscript/wrapper/ArtifactDestination.java

@@ -1,4 +1,4 @@
-package ley.anvil.addonscript.maven;
+package ley.anvil.addonscript.wrapper;
 
 import ley.anvil.addonscript.util.Utils;
 

src/main/java/ley/anvil/addonscript/wrapper/Versions.java

@@ -0,0 +1,36 @@
+package ley.anvil.addonscript.wrapper;
+
+import org.apache.maven.artifact.versioning.DefaultArtifactVersion;
+import org.apache.maven.artifact.versioning.InvalidVersionSpecificationException;
+import org.apache.maven.artifact.versioning.VersionRange;
+
+import javax.annotation.Nullable;
+
+public class Versions {
+
+    VersionRange range;
+    String latest;
+
+    public Versions(String range) throws InvalidVersionSpecificationException {
+        this.range = VersionRange.createFromVersionSpec(range);
+        String noBrack = range.replace("[", "").replace("]", "").replace("(", "").replace(")", "");
+        String[] parts = noBrack.split(",");
+        for (int i = parts.length - 1; i >= 0; i--) {
+            if (this.range.containsVersion(new DefaultArtifactVersion(parts[i]))) {
+                latest = parts[i];
+                break;
+            }
+        }
+    }
+
+    public boolean contains(String version) {
+        return range.containsVersion(new DefaultArtifactVersion(version));
+    }
+
+    @Nullable
+    public String getLatestKnown() {
+        return latest;
+    }
+
+
+}