1   /*** 
2    * 
3    * Copyright 2004 Protique Ltd
4    * 
5    * Licensed under the Apache License, Version 2.0 (the "License"); 
6    * you may not use this file except in compliance with the License. 
7    * You may obtain a copy of the License at 
8    * 
9    * http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS, 
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
14   * See the License for the specific language governing permissions and 
15   * limitations under the License. 
16   * 
17   **/
18  package org.activeio.stats;
19  
20  import java.io.PrintWriter;
21  
22  /***
23   * A helper class for printing indented text
24   *
25   * @version $Revision: 1.1 $
26   */
27  public class IndentPrinter {
28  
29      private int indentLevel;
30      private String indent;
31      private PrintWriter out;
32  
33      public IndentPrinter() {
34          this(new PrintWriter(System.out), "  ");
35      }
36  
37      public IndentPrinter(PrintWriter out) {
38          this(out, "  ");
39      }
40  
41      public IndentPrinter(PrintWriter out, String indent) {
42          this.out = out;
43          this.indent = indent;
44      }
45  
46      public void println(Object value) {
47          out.print(value.toString());
48          out.println();
49      }
50  
51      public void println(String text) {
52          out.print(text);
53          out.println();
54      }
55  
56      public void print(String text) {
57          out.print(text);
58      }
59  
60      public void printIndent() {
61          for (int i = 0; i < indentLevel; i++) {
62              out.print(indent);
63          }
64      }
65  
66      public void println() {
67          out.println();
68      }
69  
70      public void incrementIndent() {
71          ++indentLevel;
72      }
73  
74      public void decrementIndent() {
75          --indentLevel;
76      }
77  
78      public int getIndentLevel() {
79          return indentLevel;
80      }
81  
82      public void setIndentLevel(int indentLevel) {
83          this.indentLevel = indentLevel;
84      }
85  
86      public void flush() {
87          out.flush();
88      }
89  }