org/sonews/util/StringTemplate.java
author cli
Thu, 20 Aug 2009 18:41:21 +0200
changeset 15 f2293e8566f5
parent 1 6fceb66e1ad7
permissions -rw-r--r--
Started refactoring the Log system to use java.util.logging classes.
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/*
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 *   SONEWS News Server
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 *   see AUTHORS for the list of contributors
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 *
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 *   This program is free software: you can redistribute it and/or modify
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 *   it under the terms of the GNU General Public License as published by
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 *   the Free Software Foundation, either version 3 of the License, or
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 *   (at your option) any later version.
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 *
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 *   This program is distributed in the hope that it will be useful,
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 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *   GNU General Public License for more details.
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 *
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 *   You should have received a copy of the GNU General Public License
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 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 */
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package org.sonews.util;
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import java.util.HashMap;
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import java.util.Map;
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/**
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 * Class that allows simple String template handling.
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 * @author Christian Lins
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 * @since sonews/0.5.0
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 */
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public class StringTemplate 
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{
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  private String              str               = null;
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  private String              templateDelimiter = "%";
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  private Map<String, String> templateValues    = new HashMap<String, String>();
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  public StringTemplate(String str, final String templateDelimiter)
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  {
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    if(str == null || templateDelimiter == null)
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    {
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      throw new IllegalArgumentException("null arguments not allowed");
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    }
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    this.str               = str;
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    this.templateDelimiter = templateDelimiter;
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  }
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  public StringTemplate(String str)
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  {
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    this(str, "%");
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  }
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  public StringTemplate set(String template, String value)
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  {
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    if(template == null || value == null)
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    {
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      throw new IllegalArgumentException("null arguments not allowed");
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    }
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    this.templateValues.put(template, value);
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    return this;
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  }
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  public StringTemplate set(String template, long value)
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  {
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    return set(template, Long.toString(value));
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  }
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  public StringTemplate set(String template, double value)
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  {
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    return set(template, Double.toString(value));
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  }
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  public StringTemplate set(String template, Object obj)
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  {
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    if(template == null || obj == null)
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    {
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      throw new IllegalArgumentException("null arguments not allowed");
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    }
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    return set(template, obj.toString());
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  }
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  @Override
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  public String toString()
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  {
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    String ret = str;
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    for(String key : this.templateValues.keySet())
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    {
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      String value = this.templateValues.get(key);
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      ret = ret.replace(templateDelimiter + key, value);
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    }
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    return ret;
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  }
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}