001    /**
002     *   GRANITE DATA SERVICES
003     *   Copyright (C) 2006-2013 GRANITE DATA SERVICES S.A.S.
004     *
005     *   This file is part of the Granite Data Services Platform.
006     *
007     *   Granite Data Services is free software; you can redistribute it and/or
008     *   modify it under the terms of the GNU Lesser General Public
009     *   License as published by the Free Software Foundation; either
010     *   version 2.1 of the License, or (at your option) any later version.
011     *
012     *   Granite Data Services is distributed in the hope that it will be useful,
013     *   but WITHOUT ANY WARRANTY; without even the implied warranty of
014     *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
015     *   General Public License for more details.
016     *
017     *   You should have received a copy of the GNU Lesser General Public
018     *   License along with this library; if not, write to the Free Software
019     *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
020     *   USA, or see <http://www.gnu.org/licenses/>.
021     */
022    package org.granite.tide.data;
023    
024    import java.util.HashMap;
025    import java.util.Map;
026    
027    
028    
029    public class DataPublishParams {
030            
031            private Map<String, String> params = new HashMap<String, String>();
032            private Map<String, Integer> priorities = new HashMap<String, Integer>(); 
033            
034            
035            public void setValue(String paramName, String value) {
036                    setValue(paramName, value, 0);
037            }
038            public void setValue(String paramName, String value, int priority) {
039                    if (paramName == null || value == null)
040                            throw new NullPointerException("paramName and value cannot be null");
041                    
042                    Integer p = priorities.get(paramName);
043                    if (p == null || p < priority) {
044                            params.put(paramName, value);
045                            priorities.put(paramName, priority);
046                    }
047            }
048            
049            
050            public Map<String, String> getHeaders() {
051                    return new HashMap<String, String>(params);
052            }
053    }