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Implement nested pack loading for folders and zipped packs #353

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Implement nested pack loading for folders and zipped packs #353

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101 changes: 74 additions & 27 deletions common/implementation/base/src/main/java/com/dfsek/terra/registry/master/ConfigRegistry.java
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Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,9 @@

import java.io.File;
import java.io.IOException;
import java.util.Objects;
import java.nio.file.Path;
import java.util.LinkedList;
import java.util.Queue;
import java.util.zip.ZipFile;

import com.dfsek.terra.api.Platform;
Expand All @@ -39,42 +41,87 @@
public class ConfigRegistry extends OpenRegistryImpl<ConfigPack> {
private static final Logger logger = LoggerFactory.getLogger(ConfigRegistry.class);

private static final String PACK_MANIFEST_NAME = "pack.yml";

private static final String PACKS_FOLDER ="packs";

public ConfigRegistry() {
super(TypeKey.of(ConfigPack.class));
}

public void load(File folder, Platform platform) throws ConfigException {
ConfigPack pack = new ConfigPackImpl(folder, platform);
registerChecked(pack.getRegistryKey(), pack);
public boolean load(File folder, Platform platform) {
try {
ConfigPack pack = new ConfigPackImpl(folder, platform);
registerChecked(pack.getRegistryKey(), pack);
return true;
} catch(ConfigException e) {
logger.error("Error loading config pack {}", folder.getName(), e);
return false;
}
}

public boolean load(ZipFile zip, Platform platform) throws ConfigException {
try {
ConfigPack pack = new ConfigPackImpl(zip, platform);
registerChecked(pack.getRegistryKey(), pack);
return true;
} catch(ConfigException e) {
logger.error("Error loading config pack {}", zip.getName(), e);
return false;
}
}

public boolean loadPacksFromZip(Path zip) {
return true;
}

private boolean hasManifest(File folder) {
return new File(folder, PACK_MANIFEST_NAME).exists();
}

private boolean hasManifest(ZipFile folder) {
return folder.getEntry(PACK_MANIFEST_NAME) != null;
}

public boolean loadAll(Platform platform) {
boolean valid = true;
File packsFolder = new File(platform.getDataFolder(), "packs");
File packsFolder = new File(platform.getDataFolder(), PACKS_FOLDER);
packsFolder.mkdirs();
for(File dir : Objects.requireNonNull(packsFolder.listFiles(File::isDirectory))) {
try {
load(dir, platform);
} catch(ConfigException e) {
logger.error("Error loading config pack {}", dir.getName(), e);
valid = false;
}
}
for(File zip : Objects.requireNonNull(
packsFolder.listFiles(file -> file.getName().endsWith(".zip") || file.getName().endsWith(".terra")))) {
try {
logger.info("Loading ZIP archive: {}", zip.getName());
load(new ZipFile(zip), platform);
} catch(IOException | ConfigException e) {
logger.error("Error loading config pack {}", zip.getName(), e);
valid = false;
boolean valid = true;

// Breadth first search through the packs folder for config packs
Queue<File> queue = new LinkedList<>();
queue.add(packsFolder);
while (!queue.isEmpty()) {
File current = queue.poll();
logger.debug("Checking for packs in {}", current.getPath());
File[] files = current.listFiles();
if (files != null) {
for (File file : files) {
if (file.isDirectory()) {
if (hasManifest(file)) {
logger.debug("Loading {} as a pack", file.getPath());
if(!load(file, platform)) valid = false;
} else {
queue.add(file); // Recurse if folder does not contain a manifest
}
} else if (file.getName().endsWith(".zip") || file.getName().endsWith(".terra")) {
try (ZipFile zip = new ZipFile(file)) {
if (hasManifest(zip)) {
logger.debug("Loading ZIP archive {} as a pack", zip.getName());
if(!load(zip, platform)) valid = false;
} else {
// Recurse if zip does not contain a manifest
logger.debug("Searching for packs in ZIP archive {}", file.getPath());
if(!loadPacksFromZip(file.toPath())) valid = false;
}
} catch(IOException e) {
logger.error("Failed to load ZIP archive: {}", file.getPath(), e);
valid = false;
}
}
}
}
}
return valid;
}

public void load(ZipFile file, Platform platform) throws ConfigException {
ConfigPackImpl pack = new ConfigPackImpl(file, platform);
registerChecked(pack.getRegistryKey(), pack);
}
}