import net.minecraftforge.common.ForgeVersion.CheckResult; //导入依赖的package包/类
/**
 * Checks the current version against the git-hub version.
 */
public static void checkVersion()
{
	// Pull the repository information.
	ModContainer prefabMod = null;
	
	for (ModContainer modContainer : Loader.instance().getModList())
	{
		if (modContainer.getName().toLowerCase().equals(Prefab.MODID.toLowerCase()))
		{
			prefabMod = modContainer;
			break;
		}
	}
	
	if (prefabMod != null)
	{
		CheckResult result = ForgeVersion.getResult(prefabMod);
		
		if (result != null && result.status == Status.OUTDATED)
		{
			// Current version is out dated, show the message when the user is logged in.
			UpdateChecker.messageToShow = "[Prefab] There is a new version available! New Version: [" + result.target.toString() + "] Your Version: ["
					+ Prefab.VERSION + "]";
			
			UpdateChecker.showMessage = true;
		}
	}
}
 

import net.minecraftforge.common.ForgeVersion.CheckResult; //导入依赖的package包/类
@Override
protected void drawSlot(int idx, int right, int top, int height, Tessellator tess)
{
    ModContainer mc       = mods.get(idx);
    String       name     = StringUtils.stripControlCodes(mc.getName());
    String       version  = StringUtils.stripControlCodes(mc.getDisplayVersion());
    FontRenderer font     = this.parent.getFontRenderer();
    CheckResult  vercheck = ForgeVersion.getResult(mc);

    if (Loader.instance().getModState(mc) == ModState.DISABLED)
    {
        font.drawString(font.trimStringToWidth(name,       listWidth - 10), this.left + 3 , top +  2, 0xFF2222);
        font.drawString(font.trimStringToWidth(version,    listWidth - (5 + height)), this.left + 3 , top + 12, 0xFF2222);
        font.drawString(font.trimStringToWidth("DISABLED", listWidth - 10), this.left + 3 , top + 22, 0xFF2222);
    }
    else
    {
        font.drawString(font.trimStringToWidth(name,    listWidth - 10), this.left + 3 , top +  2, 0xFFFFFF);
        font.drawString(font.trimStringToWidth(version, listWidth - (5 + height)), this.left + 3 , top + 12, 0xCCCCCC);
        font.drawString(font.trimStringToWidth(mc.getMetadata() != null ? mc.getMetadata().getChildModCountString() : "Metadata not found", listWidth - 10), this.left + 3 , top + 22, 0xCCCCCC);

        if (vercheck.status.shouldDraw())
        {
            //TODO: Consider adding more icons for visualization
            Minecraft.getMinecraft().getTextureManager().bindTexture(VERSION_CHECK_ICONS);
            GlStateManager.color(1, 1, 1, 1);
            GlStateManager.pushMatrix();
            Gui.drawModalRectWithCustomSizedTexture(right - (height / 2 + 4), top + (height / 2 - 4), vercheck.status.getSheetOffset() * 8, (vercheck.status.isAnimated() && ((System.currentTimeMillis() / 800 & 1)) == 1) ? 8 : 0, 8, 8, 64, 16);
            GlStateManager.popMatrix();
        }
    }
}
 

import net.minecraftforge.common.ForgeVersion.CheckResult; //导入依赖的package包/类
public static void setUpdateStatus(String modId, Status status, ComparableVersion version) {
    try {
        ModContainer modContainer = FMLCommonHandler.instance().findContainerFor(modId);
        Map<ComparableVersion, String> changes = new HashMap<ComparableVersion, String>();
        CheckResult result = ReflectionManager.newInstance(CheckResult.class, status, version, changes, "");
        setUpdateStatus(modContainer, result);
    } catch (Exception e) {
        e.printStackTrace();
    }
}
 

import net.minecraftforge.common.ForgeVersion.CheckResult; //导入依赖的package包/类
@Nullable
private String getUpdateMessage(@Nonnull final String modId) {
	final ModContainer mod = ForgeUtils.findModContainer(modId);
	if (mod == null)
		return null;
	final CheckResult result = ForgeVersion.getResult(mod);
	if (dontPrintMessage(result))
		return null;
	final String t = result.target.toString();
	final String u = result.url.toString();
	return Localization.format(this.messageId, mod.getName(), t, u);
}
 

import net.minecraftforge.common.ForgeVersion.CheckResult; //导入依赖的package包/类
private static boolean dontPrintMessage(@Nonnull final CheckResult result) {
	return result == null || result.status == null || result.target == null || result.url == null
			|| result.status == Status.UP_TO_DATE || result.status == Status.AHEAD
			|| result.status == Status.PENDING || result.status == Status.FAILED;
}
 

import net.minecraftforge.common.ForgeVersion.CheckResult; //导入依赖的package包/类
public static CheckResult getVersionCheckResult() {
	return versionCheckResult;
}
 

import net.minecraftforge.common.ForgeVersion.CheckResult; //导入依赖的package包/类
public static void updateCheckResult()
{
	CheckResult r = ForgeVersion.getResult(modContainer);
	if (r != null && r.status != Status.PENDING) versionCheckResult = r;
}