| /* |
| * Copyright (c) 2001, 2013, 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 build.tools.stripproperties; |
| |
| import java.io.BufferedInputStream; |
| import java.io.BufferedWriter; |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.FileOutputStream; |
| import java.io.OutputStream; |
| import java.io.OutputStreamWriter; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.ArrayList; |
| import java.util.Enumeration; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Properties; |
| |
| /** |
| * Reads a properties file from standard input and writes an equivalent |
| * properties file without comments to standard output. |
| */ |
| public class StripProperties { |
| |
| private static void error(String msg, Exception e) { |
| System.err.println("ERROR: stripproperties: " + msg); |
| if ( e != null ) { |
| System.err.println("EXCEPTION: " + e.toString()); |
| e.printStackTrace(); |
| } |
| } |
| |
| private static List<String> infiles = new ArrayList<String>(); |
| private static List<String> outfiles = new ArrayList<String>(); |
| |
| private static boolean parseOptions(String args[]) { |
| boolean ok = true; |
| |
| for ( int i = 0; i < args.length ; i++ ) { |
| if ( "-clean".equals(args[i]) && i+2 < args.length ) { |
| infiles.add(args[++i]); |
| outfiles.add(args[++i]); |
| } else if ( args[i].charAt(0)=='@') { |
| String filename = args[i].substring(1); |
| FileInputStream finput = null; |
| byte contents[] = null; |
| try { |
| finput = new FileInputStream(filename); |
| int byteCount = finput.available(); |
| if ( byteCount <= 0 ) { |
| error("The @file is empty", null); |
| ok = false; |
| } else { |
| contents = new byte[byteCount]; |
| int bytesRead = finput.read(contents); |
| if ( byteCount != bytesRead ) { |
| error("Cannot read all of @file", null); |
| ok = false; |
| } |
| } |
| } catch ( IOException e ) { |
| error("cannot open " + filename, e); |
| ok = false; |
| } |
| if ( finput != null ) { |
| try { |
| finput.close(); |
| } catch ( IOException e ) { |
| ok = false; |
| error("cannot close " + filename, e); |
| } |
| } |
| if ( ok && contents != null ) { |
| String tokens[] = (new String(contents)).split("\\s+"); |
| if ( tokens.length > 0 ) { |
| ok = parseOptions(tokens); |
| } |
| } |
| if ( !ok ) { |
| break; |
| } |
| } else { |
| infiles.add(args[i]); |
| outfiles.add(args[i]); |
| } |
| } |
| return ok; |
| } |
| |
| private static boolean stripFiles(List<String> infiles, List<String> outfiles) { |
| boolean ok = true; |
| Iterator<String> inIter = infiles.iterator(); |
| Iterator<String> outIter = outfiles.iterator(); |
| |
| for (; inIter.hasNext(); ) { |
| String infile = inIter.next(); |
| String outfile = outIter.next(); |
| |
| Properties prop = new Properties(); |
| InputStream in = null; |
| try { |
| in = new BufferedInputStream(new FileInputStream(infile)); |
| prop.load(in); |
| } catch ( FileNotFoundException e ) { |
| error("Cannot access file " + infile, e); |
| ok = false; |
| } catch ( IOException e ) { |
| error("IO exception processing file " + infile, e); |
| ok = false; |
| } |
| if ( in != null ) { |
| try { |
| in.close(); |
| } catch ( IOException e ) { |
| error("IO exception closing file " + infile, e); |
| ok = false; |
| } |
| } |
| if ( !ok ) { |
| break; |
| } |
| |
| OutputStream out = null; |
| try { |
| out = new FileOutputStream(outfile); |
| storeProperties(prop, out); |
| out.flush(); |
| } catch ( IOException e ) { |
| error("IO exception processing file " + outfile, e); |
| ok = false; |
| } |
| if ( out != null ) { |
| try { |
| out.close(); |
| } catch ( IOException e ) { |
| error("IO exception closing file " + outfile, e); |
| ok = false; |
| } |
| } |
| if ( !ok ) { |
| break; |
| } |
| |
| } |
| return ok; |
| } |
| |
| /** |
| * Strip the properties filenames supplied, replacing their contents. |
| * @param args Names of properties files to process and replace contents |
| */ |
| public static void main(String args[]) { |
| boolean ok = parseOptions(args); |
| if ( !ok || !stripFiles(infiles, outfiles) ) { |
| System.exit(1); |
| } |
| } |
| |
| // --- code below here is adapted from java.util.Properties --- |
| |
| private static final String specialSaveChars = "=: \t\r\n\f#!"; |
| |
| /* |
| * Converts unicodes to encoded \uxxxx |
| * and writes out any of the characters in specialSaveChars |
| * with a preceding slash |
| */ |
| private static String saveConvert(String theString, boolean escapeSpace) { |
| int len = theString.length(); |
| StringBuffer outBuffer = new StringBuffer(len*2); |
| |
| for(int x=0; x<len; x++) { |
| char aChar = theString.charAt(x); |
| switch(aChar) { |
| case ' ': |
| if (x == 0 || escapeSpace) { |
| outBuffer.append('\\'); |
| } |
| outBuffer.append(' '); |
| break; |
| case '\\': |
| outBuffer.append('\\'); |
| outBuffer.append('\\'); |
| break; |
| case '\t': |
| outBuffer.append('\\'); |
| outBuffer.append('t'); |
| break; |
| case '\n': |
| outBuffer.append('\\'); |
| outBuffer.append('n'); |
| break; |
| case '\r': |
| outBuffer.append('\\'); |
| outBuffer.append('r'); |
| break; |
| case '\f': |
| outBuffer.append('\\'); |
| outBuffer.append('f'); |
| break; |
| default: |
| if ((aChar < 0x0020) || (aChar == 0x007e) || (aChar > 0x00ff)) { |
| outBuffer.append('\\'); |
| outBuffer.append('u'); |
| outBuffer.append(toHex((aChar >> 12) & 0xF)); |
| outBuffer.append(toHex((aChar >> 8) & 0xF)); |
| outBuffer.append(toHex((aChar >> 4) & 0xF)); |
| outBuffer.append(toHex( aChar & 0xF)); |
| } else { |
| if (specialSaveChars.indexOf(aChar) != -1) { |
| outBuffer.append('\\'); |
| } |
| outBuffer.append(aChar); |
| } |
| } |
| } |
| return outBuffer.toString(); |
| } |
| |
| /** |
| * Writes the content of <code>properties</code> to <code>out</code>. |
| * The format is that of Properties.store with the following modifications: |
| * <ul> |
| * <li>No header or date is written |
| * <li>Latin-1 characters are written as single bytes, not escape sequences |
| * <li>Line breaks are indicated by a single \n independent of platform |
| * <ul> |
| */ |
| private static void storeProperties(Properties properties, OutputStream out) |
| throws IOException { |
| BufferedWriter awriter; |
| awriter = new BufferedWriter(new OutputStreamWriter(out, "8859_1")); |
| for (Enumeration<Object> e = properties.keys(); e.hasMoreElements();) { |
| String key = (String)e.nextElement(); |
| String val = (String)properties.get(key); |
| key = saveConvert(key, true); |
| |
| /* No need to escape embedded and trailing spaces for value, hence |
| * pass false to flag. |
| */ |
| val = saveConvert(val, false); |
| writeln(awriter, key + "=" + val); |
| } |
| awriter.flush(); |
| } |
| |
| private static void writeln(BufferedWriter bw, String s) throws IOException { |
| bw.write(s); |
| bw.write("\n"); |
| } |
| |
| /** |
| * Convert a nibble to a hex character |
| * @param nibble the nibble to convert. |
| */ |
| private static char toHex(int nibble) { |
| return hexDigit[(nibble & 0xF)]; |
| } |
| |
| /** A table of hex digits */ |
| private static final char[] hexDigit = { |
| '0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F' |
| }; |
| } |
