| /* |
| * Copyright (c) 2003, 2009, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.tools.corba.se.logutil; |
| |
| import java.io.PrintWriter ; |
| import java.io.Writer ; |
| import java.io.OutputStream ; |
| import java.io.BufferedWriter ; |
| import java.io.OutputStreamWriter ; |
| import java.util.StringTokenizer ; |
| |
| public class IndentingPrintWriter extends PrintWriter { |
| private int level = 0 ; |
| private int indentWidth = 4 ; |
| private String indentString = "" ; |
| |
| public void printMsg( String msg, Object... data ) |
| { |
| // System.out.println( "printMsg called with msg=" + msg + " data=" + data ) ; |
| StringTokenizer st = new StringTokenizer( msg, "@", true ) ; |
| StringBuffer result = new StringBuffer() ; |
| String token = null ; |
| int pos = 0; |
| |
| while (st.hasMoreTokens()) { |
| token = st.nextToken() ; |
| if (token.equals("@")) { |
| if (pos < data.length) { |
| result.append( data[pos] ); |
| ++pos; |
| } else { |
| throw new Error( "List too short for message" ) ; |
| } |
| } else { |
| result.append( token ) ; |
| } |
| } |
| |
| // System.out.println( "Printing result " + result + " to file" ) ; |
| print( result ) ; |
| println() ; |
| } |
| |
| public IndentingPrintWriter (Writer out) { |
| super( out, true ) ; |
| // System.out.println( "Constructing a new IndentingPrintWriter with Writer " + out ) ; |
| } |
| |
| public IndentingPrintWriter(Writer out, boolean autoFlush) { |
| super( out, autoFlush ) ; |
| // System.out.println( "Constructing a new IndentingPrintWriter with Writer " + out ) ; |
| } |
| |
| public IndentingPrintWriter(OutputStream out) { |
| super(out, true); |
| // System.out.println( "Constructing a new IndentingPrintWriter with OutputStream " + out ) ; |
| } |
| |
| public IndentingPrintWriter(OutputStream out, boolean autoFlush) { |
| super(new BufferedWriter(new OutputStreamWriter(out)), autoFlush); |
| // System.out.println( "Constructing a new IndentingPrintWriter with OutputStream " + out ) ; |
| } |
| |
| public void setIndentWidth( int indentWidth ) |
| { |
| this.indentWidth = indentWidth ; |
| updateIndentString() ; |
| } |
| |
| public void indent() |
| { |
| level++ ; |
| updateIndentString() ; |
| } |
| |
| public void undent() |
| { |
| if (level > 0) { |
| level-- ; |
| updateIndentString() ; |
| } |
| } |
| |
| private void updateIndentString() |
| { |
| int size = level * indentWidth ; |
| StringBuffer sbuf = new StringBuffer( size ) ; |
| for (int ctr = 0; ctr<size; ctr++ ) |
| sbuf.append( " " ) ; |
| indentString = sbuf.toString() ; |
| } |
| |
| // overridden from PrintWriter |
| public void println() |
| { |
| super.println() ; |
| |
| print( indentString ) ; |
| } |
| } |