📄 jdfix.java
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/* * $Id: jdfix.java,v 1.8 2003/11/07 20:16:23 dfs Exp $ * * ==================================================================== * The Apache Software License, Version 1.1 * * Copyright (c) 2000 The Apache Software Foundation. All rights * reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The end-user documentation included with the redistribution, * if any, must include the following acknowledgment: * "This product includes software developed by the * Apache Software Foundation (http://www.apache.org/)." * Alternately, this acknowledgment may appear in the software itself, * if and wherever such third-party acknowledgments normally appear. * * 4. The names "Apache" and "Apache Software Foundation", "Jakarta-Oro" * must not be used to endorse or promote products derived from this * software without prior written permission. For written * permission, please contact apache@apache.org. * * 5. Products derived from this software may not be called "Apache" * or "Jakarta-Oro", nor may "Apache" or "Jakarta-Oro" appear in their * name, without prior written permission of the Apache Software Foundation. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. */package examples;import java.io.*;import org.apache.oro.text.perl.*;/** * This is an example program demonstrating how to use the PerlTools * match and substitute methods. * * @version @version@ */public final class jdfix { /** * This program performs the exact same function as this Perl script. * Notice that the Java program is only so much longer because of all * of the I/O exception handling and InputStream creation. The core * while loop is EXACTLY the same length as the while loop in the Perl * script. The number of substitutions performed is printed to standard * output as additional information. Note, this is not an efficient way * to do this job; it is better to first read the entire file into a * character array. * <p> * This is a simple program that takes a javadoc generated HTML file as * input and produces as output the same HTML file, except with a white * background color for the body. * <p> * <pre> * #!/usr/bin/perl * * $#ARGV >= 1 || die "Usage: jdfix input output\n"; * * open(INPUT, $ARGV[0]) || warn "Couldn't open $ARGV[0]\n"; * open(OUTPUT, ">$ARGV[1]") || warn "Couldn't open $ARGV[1]\n"; * * while(<INPUT>){ * s/<body>/<body bgcolor="#ffffff">/; * print OUTPUT; * } * * close(INPUT); * close(OUTPUT); * </pre> */ public static final void main(String args[]) { String line; BufferedReader input = null; PrintWriter output = null; Perl5Util perl; StringBuffer result = new StringBuffer(); int numSubs = 0; if(args.length < 2) { System.err.println("Usage: jdfix input output"); return; } try { input = new BufferedReader(new FileReader(args[0])); } catch(IOException e) { System.err.println("Error opening input file: " + args[0]); e.printStackTrace(); return; } try { output = new PrintWriter(new FileWriter(args[1])); } catch(IOException e) { System.err.println("Error opening output file: " + args[1]); e.printStackTrace(); return; } perl = new Perl5Util(); try { while((line = input.readLine()) != null) { numSubs+=perl.substitute(result, "s/<body>/<body bgcolor=\"#ffffff\">/", line); result.append('\n'); } output.print(result.toString()); System.out.println("Substitutions made: " + numSubs); } catch(IOException e) { System.err.println("Error reading from input: " + args[1]); e.printStackTrace(); return; } finally { try { input.close(); output.close(); } catch(IOException e) { System.err.println("Error closing files."); e.printStackTrace(); return; } } }}⌨️ 快捷键说明
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