001    /*
002      GRANITE DATA SERVICES
003      Copyright (C) 2011 GRANITE DATA SERVICES S.A.S.
004    
005      This file is part of Granite Data Services.
006    
007      Granite Data Services is free software; you can redistribute it and/or modify
008      it under the terms of the GNU Library General Public License as published by
009      the Free Software Foundation; either version 2 of the License, or (at your
010      option) any later version.
011    
012      Granite Data Services is distributed in the hope that it will be useful, but
013      WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
014      FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
015      for more details.
016    
017      You should have received a copy of the GNU Library General Public License
018      along with this library; if not, see <http://www.gnu.org/licenses/>.
019    */
020    
021    package org.granite.tide.data;
022    
023    import java.util.HashMap;
024    import java.util.Map;
025    
026    
027    
028    public class DataPublishParams {
029            
030            private Map<String, String> params = new HashMap<String, String>();
031            private Map<String, Integer> priorities = new HashMap<String, Integer>(); 
032            
033            
034            public void setValue(String paramName, String value) {
035                    setValue(paramName, value, 0);
036            }
037            public void setValue(String paramName, String value, int priority) {
038                    if (paramName == null || value == null)
039                            throw new NullPointerException("paramName and value cannot be null");
040                    
041                    Integer p = priorities.get(paramName);
042                    if (p == null || p < priority) {
043                            params.put(paramName, value);
044                            priorities.put(paramName, priority);
045                    }
046            }
047            
048            
049            public Map<String, String> getHeaders() {
050                    return new HashMap<String, String>(params);
051            }
052    }