Java NavigableMap.containsKey方法代碼示例

import java.util.NavigableMap; //導入方法依賴的package包/類
public static int getProtocolVersion()
{
	if(WurstClient.INSTANCE.options.mc112x_compatibility == 2)
		return 340;
	else if(WurstClient.INSTANCE.options.mc112x_compatibility == 1)
		return 338;
	
	NavigableMap<Integer, String> protocols = WMinecraft.PROTOCOLS;
	
	// use default if using Wurst-Bot
	if(WurstBot.isEnabled())
		return protocols.lastKey();
	
	ServerData server = lastServer.getServerData();
	
	// use default if ping failed
	if(!server.pinged || server.pingToServer < 0)
		return protocols.lastKey();
	
	// use default if server protocol is not supported
	if(!protocols.containsKey(server.version))
		return protocols.lastKey();
	
	// use server protocol
	return server.version;
}
 

import java.util.NavigableMap; //導入方法依賴的package包/類
/**
 * Match a set of strings of new types to be imported against the set of existing extensions
 * based on package names and type names. This method returns a set of old extensions that
 * are a subset of the new types based on the type names. For example, if you have an old
 * extension com.foo.Bar and you import a new extension that is package name com.foo, then we
 * will need to check that com.foo.Bar is inside com.foo and, if so, perform an upgrade.
 *
 * @param existing Existing set of extensions in the project
 * @param newTypes New type(s) defined by the extension being imported
 * @return A subset of the existing extensions that will need to be checked against the new
 * extension to determine whether we are performing an upgrade or adding a fresh extension.
 */
private static Set<String> matchExtensions(NavigableMap<String, Set<String>> existing,
    Set<String> newTypes) {
  Set<String> results = new HashSet<>();
  String packageName = getPackageName(newTypes.iterator().next());
  if (existing.containsKey(packageName)) {
    results.add(packageName);
  }
  NavigableMap<String, Set<String>> related = existing.tailMap(packageName, true);
  for (String k : related.navigableKeySet()) {
    if (!k.startsWith(packageName)) {
      break;  // no longer in the same package
    }
    results.add(k);
  }
  return results;
}
 

import java.util.NavigableMap; //導入方法依賴的package包/類
@Override
public Entry filter(Entry entry) {
  NavigableMap<byte[], Integer> scopes = entry.getKey().getScopes();
  if (scopes == null || scopes.isEmpty()) {
    return null;
  }
  ArrayList<Cell> cells = entry.getEdit().getCells();
  int size = cells.size();
  for (int i = size - 1; i >= 0; i--) {
    Cell cell = cells.get(i);
    // The scope will be null or empty if
    // there's nothing to replicate in that WALEdit
    if (!scopes.containsKey(cell.getFamily())
        || scopes.get(cell.getFamily()) == HConstants.REPLICATION_SCOPE_LOCAL) {
      cells.remove(i);
    }
  }
  if (cells.size() < size / 2) {
    cells.trimToSize();
  }
  return entry;
}
 

import java.util.NavigableMap; //導入方法依賴的package包/類
/**
 * Returns message sequence number in the folder by its UID.
 * 
 * @param uid - message UID.
 * @return message sequence number.
 * @throws FolderException if no message with given UID.
 */
@Override
public int getMsn(long uid) throws FolderException
{
    NavigableMap<Long, FileInfo> messages = searchMails();
    if (!messages.containsKey(uid))
    {
        throw new FolderException("No such message.");            
    }
    return messages.headMap(uid, true).size();
}
 

import java.util.NavigableMap; //導入方法依賴的package包/類
/**
 * containsKey(null) of nonempty map throws NPE
 */
public void testContainsKey_NullPointerException() {
    NavigableMap c = map5();
    try {
        c.containsKey(null);
        shouldThrow();
    } catch (NullPointerException success) {}
}