LoadableMod.java
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package com.mumfrey.liteloader.interfaces;
import java.io.File;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import com.google.common.collect.ImmutableSet;
import com.mumfrey.liteloader.launch.InjectionStrategy;
import com.mumfrey.liteloader.launch.LoaderEnvironment;
import net.minecraft.launchwrapper.LaunchClassLoader;
/**
* Interface for containers which can be loaded as mods
*
* @author Adam Mummery-Smith
*
* @param <L> base class type for Comparable<?> so that implementors can specify
* their Comparable type
*/
public interface LoadableMod<L> extends Loadable<L>, Injectable
{
static final String METADATA_FILENAME = "litemod.json";
/**
* Get the mod systems declared in the jar metadata
*/
public abstract Set<String> getModSystems();
/**
* Get the name of the mod
*/
public abstract String getModName();
/**
* Get the target loader version for this mod
*/
public abstract String getTargetVersion();
/**
* Get the revision number for this mod
*/
public abstract float getRevision();
/**
* Get whether this mod's metadata is valid
*/
public abstract boolean hasValidMetaData();
/**
* Get whether this mod has any dependencies
*/
public abstract boolean hasDependencies();
/**
* Get this mod's list of dependencies
*/
public abstract Set<String> getDependencies();
/**
* Callback to notify the container that it's missing a specific dependency
*/
public abstract void registerMissingDependency(String dependency);
/**
* Get this mod's list of missing dependencies
*/
public abstract Set<String> getMissingDependencies();
/**
* Get this mod's list of required APIs
*/
public abstract Set<String> getRequiredAPIs();
/**
* Callback to notify the container that it's missing a specific required
* API
*/
public abstract void registerMissingAPI(String identifier);
/**
* Get this mod's list of missing APIs
*/
public abstract Set<String> getMissingAPIs();
/**
* Get the specified metadata value and return the default value if not
* present
*
* @param metaKey metadata key
* @param defaultValue metadata value
*/
public abstract String getMetaValue(String metaKey, String defaultValue);
/**
* Get the mod metadata key set
*/
public abstract Set<String> getMetaDataKeys();
/**
* Returns true if this mod can be added as a resource pack
*/
public abstract boolean hasResources();
/**
* Get all class names in this container
*/
public abstract List<String> getContainedClassNames();
/**
* Callback from the enumerator, whenever a mod is registered to this
* container
*/
public abstract void addContainedMod(String modName);
/**
* Container returned instead of null when a mod does not actually have a
* container or a container is requested for a mod which doesn't exist.
*/
public static final LoadableMod<File> NONE = new EmptyModContainer();
/**
* Mod container for a mod which doesn't have a container
*
* @author Adam Mummery-Smith
*/
public class EmptyModContainer implements LoadableMod<File>
{
private static final ImmutableSet<String> EMPTY_SET = ImmutableSet.<String>of();
EmptyModContainer() {}
@Override
public File getTarget()
{
return null;
}
@Override
public Set<String> getModSystems()
{
return EmptyModContainer.EMPTY_SET;
}
@Override
public String getName()
{
return "Unknown";
}
@Override
public String getDisplayName()
{
return "Unknown";
}
@Override
public String getLocation()
{
return ".";
}
@Override
public String getIdentifier()
{
return "Unknown";
}
@Override
public String getVersion()
{
return "Unknown";
}
@Override
public String getAuthor()
{
return "Unknown";
}
@Override
public String getDescription(String key)
{
return "";
}
@Override
public boolean isExternalJar()
{
return false;
}
@Override
public boolean isToggleable()
{
return false;
}
@Override
public boolean isEnabled(LoaderEnvironment environment)
{
return true;
}
@Override
public boolean isFile()
{
return false;
}
@Override
public boolean isDirectory()
{
return false;
}
@Override
public File toFile()
{
return null;
}
@Override
public int compareTo(File other)
{
return 0;
}
@Override
public URL getURL() throws MalformedURLException
{
throw new MalformedURLException("Attempted to get the URL of an empty mod");
}
@Override
public boolean isInjected()
{
return false;
}
@Override
public boolean injectIntoClassPath(LaunchClassLoader classLoader, boolean injectIntoParent) throws MalformedURLException
{
return false;
}
@Override
public InjectionStrategy getInjectionStrategy()
{
return null;
}
@Override
public String getModName()
{
return "Unknown";
}
@Override
public String getTargetVersion()
{
return "";
}
@Override
public float getRevision()
{
return 0;
}
@Override
public boolean hasValidMetaData()
{
return false;
}
@Override
public String getMetaValue(String metaKey, String defaultValue)
{
return defaultValue;
}
@Override
public Set<String> getMetaDataKeys()
{
return Collections.<String>emptySet();
}
@Override
public boolean hasResources()
{
return false;
}
@Override
public boolean hasDependencies()
{
return false;
}
@Override
public Set<String> getDependencies()
{
return Collections.<String>emptySet();
}
@Override
public void registerMissingDependency(String dependency)
{
}
@Override
public Set<String> getMissingDependencies()
{
return Collections.<String>emptySet();
}
@Override
public Set<String> getRequiredAPIs()
{
return Collections.<String>emptySet();
}
@Override
public void registerMissingAPI(String identifier)
{
}
@Override
public Set<String> getMissingAPIs()
{
return Collections.<String>emptySet();
}
@Override
public List<String> getContainedClassNames()
{
return Collections.<String>emptyList();
}
@Override
public void addContainedMod(String modName)
{
}
@Override
public boolean requiresPreInitInjection()
{
return false;
}
}
}