/
DefaultCommandManager.java
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/
DefaultCommandManager.java
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package io.bootique.command;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
/**
* @since 0.12
*/
public class DefaultCommandManager implements CommandManager {
private Map<String, Command> activeCommands;
private Command defaultCommand;
public static DefaultCommandManager create(Set<Command> commands, Command defaultCommand) {
Map<String, Command> commandMap = new HashMap<>();
commands.forEach(c -> {
String name = c.getMetadata().getName();
Command existing = commandMap.put(name, c);
// complain on dupes
if (existing != null && existing != c) {
String c1 = existing.getClass().getName();
String c2 = c.getClass().getName();
throw new RuntimeException(
String.format("Duplicate command for name %s (provided by: %s and %s) ", name, c1, c2));
}
});
DefaultCommandManager commandManager = new DefaultCommandManager();
commandManager.defaultCommand = defaultCommand;
commandManager.activeCommands = commandMap;
return commandManager;
}
public static DefaultCommandManager create(Map<String, Command> commands, Command defaultCommand) {
DefaultCommandManager commandManager = new DefaultCommandManager();
commandManager.defaultCommand = defaultCommand;
commandManager.activeCommands = commands;
return commandManager;
}
private DefaultCommandManager() {
}
@Override
public Command getCommand(String name) {
return activeCommands.getOrDefault(name, defaultCommand);
}
@Override
public Collection<Command> getCommands() {
return activeCommands.values();
}
@Override
public Command getDefaultCommand() {
return defaultCommand;
}
}