src/org/sonews/util/StringTemplate.java
author František Kučera <franta-hg@frantovo.cz>
Sun Oct 16 22:36:46 2011 +0200 (2011-10-16)
changeset 82 21f413541357
parent 35 ed84c8bdd87b
permissions -rwxr-xr-x
Drupal: tidy, odstavce, XSLT
     1 /*
     2  *   SONEWS News Server
     3  *   see AUTHORS for the list of contributors
     4  *
     5  *   This program is free software: you can redistribute it and/or modify
     6  *   it under the terms of the GNU General Public License as published by
     7  *   the Free Software Foundation, either version 3 of the License, or
     8  *   (at your option) any later version.
     9  *
    10  *   This program is distributed in the hope that it will be useful,
    11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
    12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13  *   GNU General Public License for more details.
    14  *
    15  *   You should have received a copy of the GNU General Public License
    16  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
    17  */
    18 
    19 package org.sonews.util;
    20 
    21 import java.util.HashMap;
    22 import java.util.Map;
    23 
    24 /**
    25  * Class that allows simple String template handling.
    26  * @author Christian Lins
    27  * @since sonews/0.5.0
    28  */
    29 public class StringTemplate
    30 {
    31 
    32 	private String str = null;
    33 	private String templateDelimiter = "%";
    34 	private Map<String, String> templateValues = new HashMap<String, String>();
    35 
    36 	public StringTemplate(String str, final String templateDelimiter)
    37 	{
    38 		if (str == null || templateDelimiter == null) {
    39 			throw new IllegalArgumentException("null arguments not allowed");
    40 		}
    41 
    42 		this.str = str;
    43 		this.templateDelimiter = templateDelimiter;
    44 	}
    45 
    46 	public StringTemplate(String str)
    47 	{
    48 		this(str, "%");
    49 	}
    50 
    51 	public StringTemplate set(String template, String value)
    52 	{
    53 		if (template == null || value == null) {
    54 			throw new IllegalArgumentException("null arguments not allowed");
    55 		}
    56 
    57 		this.templateValues.put(template, value);
    58 		return this;
    59 	}
    60 
    61 	public StringTemplate set(String template, long value)
    62 	{
    63 		return set(template, Long.toString(value));
    64 	}
    65 
    66 	public StringTemplate set(String template, double value)
    67 	{
    68 		return set(template, Double.toString(value));
    69 	}
    70 
    71 	public StringTemplate set(String template, Object obj)
    72 	{
    73 		if (template == null || obj == null) {
    74 			throw new IllegalArgumentException("null arguments not allowed");
    75 		}
    76 
    77 		return set(template, obj.toString());
    78 	}
    79 
    80 	@Override
    81 	public String toString()
    82 	{
    83 		String ret = str;
    84 
    85 		for (String key : this.templateValues.keySet()) {
    86 			String value = this.templateValues.get(key);
    87 			ret = ret.replace(templateDelimiter + key, value);
    88 		}
    89 
    90 		return ret;
    91 	}
    92 }