chris@1: /*
chris@1:  *   SONEWS News Server
chris@1:  *   see AUTHORS for the list of contributors
chris@1:  *
chris@1:  *   This program is free software: you can redistribute it and/or modify
chris@1:  *   it under the terms of the GNU General Public License as published by
chris@1:  *   the Free Software Foundation, either version 3 of the License, or
chris@1:  *   (at your option) any later version.
chris@1:  *
chris@1:  *   This program is distributed in the hope that it will be useful,
chris@1:  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
chris@1:  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
chris@1:  *   GNU General Public License for more details.
chris@1:  *
chris@1:  *   You should have received a copy of the GNU General Public License
chris@1:  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
chris@1:  */
chris@1: 
chris@1: package org.sonews.util;
chris@1: 
chris@1: import java.util.HashMap;
chris@1: import java.util.Map;
chris@1: 
chris@1: /**
chris@1:  * Class that allows simple String template handling.
chris@1:  * @author Christian Lins
chris@1:  * @since sonews/0.5.0
chris@1:  */
chris@1: public class StringTemplate 
chris@1: {
chris@1: 
chris@1:   private String              str               = null;
chris@1:   private String              templateDelimiter = "%";
chris@1:   private Map<String, String> templateValues    = new HashMap<String, String>();
chris@1:   
chris@1:   public StringTemplate(String str, final String templateDelimiter)
chris@1:   {
chris@1:     if(str == null || templateDelimiter == null)
chris@1:     {
chris@1:       throw new IllegalArgumentException("null arguments not allowed");
chris@1:     }
chris@1: 
chris@1:     this.str               = str;
chris@1:     this.templateDelimiter = templateDelimiter;
chris@1:   }
chris@1:   
chris@1:   public StringTemplate(String str)
chris@1:   {
chris@1:     this(str, "%");
chris@1:   }
chris@1:   
chris@1:   public StringTemplate set(String template, String value)
chris@1:   {
chris@1:     if(template == null || value == null)
chris@1:     {
chris@1:       throw new IllegalArgumentException("null arguments not allowed");
chris@1:     }
chris@1:     
chris@1:     this.templateValues.put(template, value);
chris@1:     return this;
chris@1:   }
chris@1:   
chris@1:   public StringTemplate set(String template, long value)
chris@1:   {
chris@1:     return set(template, Long.toString(value));
chris@1:   }
chris@1:   
chris@1:   public StringTemplate set(String template, double value)
chris@1:   {
chris@1:     return set(template, Double.toString(value));
chris@1:   }
chris@1:   
chris@1:   public StringTemplate set(String template, Object obj)
chris@1:   {
chris@1:     if(template == null || obj == null)
chris@1:     {
chris@1:       throw new IllegalArgumentException("null arguments not allowed");
chris@1:     }
chris@1: 
chris@1:     return set(template, obj.toString());
chris@1:   }
chris@1:   
chris@1:   @Override
chris@1:   public String toString()
chris@1:   {
chris@1:     String ret = str;
chris@1: 
chris@1:     for(String key : this.templateValues.keySet())
chris@1:     {
chris@1:       String value = this.templateValues.get(key);
chris@1:       ret = ret.replace(templateDelimiter + key, value);
chris@1:     }
chris@1:     
chris@1:     return ret;
chris@1:   }
chris@1: 
chris@1: }