author | lana |
Thu, 12 Feb 2015 16:39:35 -0800 | |
changeset 28842 | 5fb718119516 |
parent 23067 | 7b20ffccad89 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2003, 2009, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package build.tools.logutil; |
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import java.io.PrintWriter ; |
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import java.io.Writer ; |
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import java.io.OutputStream ; |
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import java.io.BufferedWriter ; |
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import java.io.OutputStreamWriter ; |
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import java.util.StringTokenizer ; |
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public class IndentingPrintWriter extends PrintWriter { |
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private int level = 0 ; |
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private int indentWidth = 4 ; |
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private String indentString = "" ; |
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public void printMsg( String msg, Object... data ) |
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{ |
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// System.out.println( "printMsg called with msg=" + msg + " data=" + data ) ; |
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StringTokenizer st = new StringTokenizer( msg, "@", true ) ; |
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StringBuffer result = new StringBuffer() ; |
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String token = null ; |
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int pos = 0; |
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while (st.hasMoreTokens()) { |
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token = st.nextToken() ; |
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if (token.equals("@")) { |
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if (pos < data.length) { |
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result.append( data[pos] ); |
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++pos; |
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} else { |
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throw new Error( "List too short for message" ) ; |
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} |
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} else { |
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result.append( token ) ; |
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} |
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} |
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// System.out.println( "Printing result " + result + " to file" ) ; |
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print( result ) ; |
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println() ; |
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} |
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public IndentingPrintWriter (Writer out) { |
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super( out, true ) ; |
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// System.out.println( "Constructing a new IndentingPrintWriter with Writer " + out ) ; |
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} |
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public IndentingPrintWriter(Writer out, boolean autoFlush) { |
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super( out, autoFlush ) ; |
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// System.out.println( "Constructing a new IndentingPrintWriter with Writer " + out ) ; |
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} |
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public IndentingPrintWriter(OutputStream out) { |
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super(out, true); |
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// System.out.println( "Constructing a new IndentingPrintWriter with OutputStream " + out ) ; |
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} |
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public IndentingPrintWriter(OutputStream out, boolean autoFlush) { |
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super(new BufferedWriter(new OutputStreamWriter(out)), autoFlush); |
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// System.out.println( "Constructing a new IndentingPrintWriter with OutputStream " + out ) ; |
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} |
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public void setIndentWidth( int indentWidth ) |
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{ |
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this.indentWidth = indentWidth ; |
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updateIndentString() ; |
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} |
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public void indent() |
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{ |
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level++ ; |
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updateIndentString() ; |
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} |
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public void undent() |
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{ |
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if (level > 0) { |
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level-- ; |
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updateIndentString() ; |
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} |
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} |
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private void updateIndentString() |
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{ |
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int size = level * indentWidth ; |
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StringBuffer sbuf = new StringBuffer( size ) ; |
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for (int ctr = 0; ctr<size; ctr++ ) |
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sbuf.append( " " ) ; |
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indentString = sbuf.toString() ; |
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} |
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// overridden from PrintWriter |
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public void println() |
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{ |
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super.println() ; |
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print( indentString ) ; |
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} |
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} |