IndentPrinter xref

    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  }