1 /*
   2  * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.tools.internal.ws.processor.model.jaxb;
  27 
  28 /**
  29  * @author Kohsuke Kawaguchi
  30  */
  31 class Util {
  32     /**
  33      * Replaces the marcros in the first string by the actual given arguments.
  34      */
  35     static String replace( String macro, String... args ) {
  36         int len = macro.length();
  37         StringBuilder buf = new StringBuilder(len);
  38         for( int i=0; i<len; i++ ) {
  39             char ch = macro.charAt(i);
  40             if(ch=='=' && i+2<len) {
  41                 char tail = macro.charAt(i+1);
  42                 char ch2 = macro.charAt(i+2);
  43                 if('0'<=ch2 && ch2<='9' && tail==':') {
  44                     buf.append(args[ch2-'0']);
  45                     i+=2;
  46                     continue;
  47                 }
  48             }
  49             buf.append(ch);
  50         }
  51         return buf.toString();
  52     }
  53 
  54     /**
  55      * Creates a macro tempate so that it can be later used with {@link #replace(String, String[])}.
  56      */
  57     static String createMacroTemplate( String s ) {
  58         return s;
  59     }
  60 
  61     static final String MAGIC = "=:";
  62 
  63     static final String MAGIC0 = MAGIC+"0";
  64     static final String MAGIC1 = MAGIC+"1";
  65     static final String MAGIC2 = MAGIC+"2";
  66 }