private void removePreviousModVersion(String modName, String installedVersion) {
try {
// Mod has been previously installed uninstall previous version
File previousModZip = new File(cacheDir, modName + "-" + installedVersion + ".zip");
ZipFile zf = new ZipFile(previousModZip);
Enumeration<? extends ZipEntry> entries = zf.entries();
// Go through zipfile of previous version and delete all file from
// Modpack that exist in the zip
while (entries.hasMoreElements()) {
ZipEntry entry = entries.nextElement();
if (entry.isDirectory()) {
continue;
}
File file = new File(GameUpdater.modpackDir, entry.getName());
Util.log("Deleting '%s'", entry.getName());
if (file.exists()) {
// File from mod exists.. delete it
file.delete();
}
}
InstalledModsYML.removeMod(modName);
} catch (IOException e) {
e.printStackTrace();
}
}
public void updateMod(File modFile, String modName, String modVersion) {
// Check if previous version of mod is installed
String installedVersion = InstalledModsYML.getInstalledModVersion(modName);
if (installedVersion != null) {
removePreviousModVersion(modName, installedVersion);
}
stateChanged("Extracting Files ...", 0);
// Extract Natives
extractNatives2(GameUpdater.modpackDir, modFile);
InstalledModsYML.setInstalledModVersion(modName, modVersion);
modFile.delete();
}
public void updateModPackMods() {
try {
Map<String, Object> modLibrary =
(Map<String, Object>) ModLibraryYML.getModLibraryYML().getProperty("mods");
Map<String, Object> currentModList = ModpackBuild.getSpoutcraftBuild().getMods();
// Remove Mods no longer in previous version
removeOldMods(currentModList.keySet());
for (Map.Entry<String, Object> modEntry2 : currentModList.entrySet()) {
String modName = modEntry2.getKey();
if (!modLibrary.containsKey(modName)) {
throw new IOException(String.format("Mod '%s' is missing from the mod library", modName));
}
Map<String, Object> modProperties = (Map<String, Object>) modLibrary.get(modName);
Map<String, Object> modVersions = (Map<String, Object>) modProperties.get("versions");
String version = modEntry2.getValue().toString();
if (!modVersions.containsKey(version)) {
throw new IOException(
String.format(
"Mod '%s' version '%s' is missing from the mod library", modName, version));
}
String installType =
modProperties.containsKey("installtype")
? (String) modProperties.get("installtype")
: "zip";
String fullFilename = modName + "-" + version + "." + installType;
Boolean isOptional =
modProperties.containsKey("optional") ? (Boolean) modProperties.get("optional") : false;
String installedModVersion = InstalledModsYML.getInstalledModVersion(modName);
// If installed mods md5 hash is the same as server's version
// then go to next mod.
if (installedModVersion != null && installedModVersion.equals(version)) {
String md5ModPath = String.format("mods/%s/%s", modName, fullFilename);
if (MD5Utils.checksumCachePath(fullFilename, md5ModPath)) {
continue;
}
}
File modFile = new File(tempDir, fullFilename);
// If have the mod file then update
if (downloadModPackage(modName, fullFilename, modFile)) {
updateMod(modFile, modName, version);
}
}
} catch (IOException e) {
e.printStackTrace();
}
}
private void removeOldMods(Set<String> modsToInstall) {
Map<String, String> installedMods = InstalledModsYML.getInstalledMods();
if (installedMods == null || modsToInstall == null || modsToInstall.size() <= 0) {
return;
}
Set<String> modsToRemove = installedMods.keySet();
modsToRemove.removeAll(modsToInstall);
String[] array = new String[modsToRemove.size()];
modsToRemove.toArray(array);
for (String modName : array) {
removePreviousModVersion(modName, installedMods.get(modName));
}
}
public boolean isModpackUpdateAvailable() throws IOException {
Map<String, Object> modLibrary =
(Map<String, Object>) ModLibraryYML.getModLibraryYML().getProperty("mods");
Map<String, Object> currentModList = ModpackBuild.getSpoutcraftBuild().getMods();
for (Map.Entry<String, Object> modEntry2 : currentModList.entrySet()) {
String modName = modEntry2.getKey();
if (!modLibrary.containsKey(modName)) {
throw new IOException("Mod is missing from the mod library");
}
Map<String, Object> modProperties = (Map<String, Object>) modLibrary.get(modName);
Map<String, Object> modVersions = (Map<String, Object>) modProperties.get("versions");
String version = modEntry2.getValue().toString();
if (!modVersions.containsKey(version)) {
throw new IOException("Mod version is missing from the mod library");
}
String installType = modProperties.get("installtype").toString();
String fullFilename = modName + "-" + version + "." + installType;
String md5Name = "mods\\" + modName + "\\" + fullFilename;
if (!MD5Utils.checksumCachePath(fullFilename, md5Name)) {
return true;
}
int a = 1;
String installedModVersion = InstalledModsYML.getInstalledModVersion(modName);
if (installedModVersion == null || !installedModVersion.equals(version)) {
return true;
}
}
return false;
}