001/**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.activemq.util;
018
019import java.io.PrintWriter;
020
021/**
022 * A helper class for printing indented text
023 *
024 * 
025 */
026public class IndentPrinter {
027
028    private int indentLevel;
029    private String indent;
030    private PrintWriter out;
031
032    public IndentPrinter() {
033        this(new PrintWriter(System.out), "  ");
034    }
035
036    public IndentPrinter(PrintWriter out) {
037        this(out, "  ");
038    }
039
040    public IndentPrinter(PrintWriter out, String indent) {
041        this.out = out;
042        this.indent = indent;
043    }
044
045    public void println(Object value) {
046        out.print(value.toString());
047        out.println();
048    }
049
050    public void println(String text) {
051        out.print(text);
052        out.println();
053    }
054
055    public void print(String text) {
056        out.print(text);
057    }
058
059    public void printIndent() {
060        for (int i = 0; i < indentLevel; i++) {
061            out.print(indent);
062        }
063    }
064
065    public void println() {
066        out.println();
067    }
068
069    public void incrementIndent() {
070        ++indentLevel;
071    }
072
073    public void decrementIndent() {
074        --indentLevel;
075    }
076
077    public int getIndentLevel() {
078        return indentLevel;
079    }
080
081    public void setIndentLevel(int indentLevel) {
082        this.indentLevel = indentLevel;
083    }
084
085    public void flush() {
086        out.flush();
087    }
088}