Java tutorial
/** * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.io.PrintWriter; /** * A helper class for printing indented text * * @version $Revision: 1.2 $ */ public class IndentPrinter { private int indentLevel; private String indent; private PrintWriter out; public IndentPrinter() { this(new PrintWriter(System.out), " "); } public IndentPrinter(PrintWriter out) { this(out, " "); } public IndentPrinter(PrintWriter out, String indent) { this.out = out; this.indent = indent; } public void println(Object value) { out.print(value.toString()); out.println(); } public void println(String text) { out.print(text); out.println(); } public void print(String text) { out.print(text); } public void printIndent() { for (int i = 0; i < indentLevel; i++) { out.print(indent); } } public void println() { out.println(); } public void incrementIndent() { ++indentLevel; } public void decrementIndent() { --indentLevel; } public int getIndentLevel() { return indentLevel; } public void setIndentLevel(int indentLevel) { this.indentLevel = indentLevel; } public void flush() { out.flush(); } }