| 0,0 → 1,81 |
|---|
| package ak.hostadmiral.util; |
| |
| import java.util.Map; |
| |
| public class ConfigUtils |
| { |
| private Map params; |
| protected boolean returnDefValue; |
| |
| public ConfigUtils(Map params) |
| { |
| this.params = params; |
| } |
| |
| public String getString(String key, String defValue, |
| boolean optional, boolean mayBeEmpty) |
| throws ModelException |
| { |
| String s = (String)getObject(key, defValue, optional); |
| |
| if(returnDefValue) return s; |
| |
| if(!mayBeEmpty && s.equals("")) { |
| throw new ModelException("Configuration parameter '" + key + "' may not be empty"); |
| } |
| |
| return s; |
| } |
| |
| public Integer getInteger(String key, Integer defValue, |
| boolean optional) |
| throws ModelException |
| { |
| Object value = getObject(key, defValue, optional); |
| |
| if(returnDefValue) return defValue; |
| |
| return new Integer((String)value); |
| } |
| |
| protected synchronized Object getObject(String key, Object defValue, boolean optional) |
| throws ModelException |
| { |
| returnDefValue = false; |
| |
| Object obj = params.get(key); |
| |
| if(obj == null) { |
| if(optional) { |
| returnDefValue = true; |
| return defValue; |
| } |
| else |
| throw new ModelException("Configuration parameter '" + key + "' must be present"); |
| } |
| |
| if(!(obj instanceof String[])) { |
| throw new ModelException("Configuration parameter '" + key |
| + "' expected to be an array of strings"); |
| } |
| |
| String[] sa = (String[])obj; |
| |
| if(sa.length == 0) { |
| if(optional) { |
| returnDefValue = true; |
| return defValue; |
| } |
| else |
| throw new ModelException("Value of configuration parameter '" |
| + key + "' must be present"); |
| } |
| |
| if(sa.length > 1) { |
| throw new ModelException("Value of configuration parameter '" |
| + key + "' may not be an array"); |
| } |
| |
| return sa[0]; |
| } |
| } |