| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2000,2002 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 acknowlegement: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowlegement may appear in the software itself, |
| * if and wherever such third-party acknowlegements normally appear. |
| * |
| * 4. The names "The Jakarta Project", "Ant", and "Apache Software |
| * Foundation" 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" |
| * nor may "Apache" appear in their names without prior written |
| * permission of the Apache Group. |
| * |
| * 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 org.apache.tools.ant.taskdefs; |
| |
| import org.apache.tools.ant.Task; |
| import org.apache.tools.ant.BuildException; |
| import java.io.File; |
| import java.io.BufferedReader; |
| import java.io.BufferedWriter; |
| import java.io.FileReader; |
| import java.io.FileWriter; |
| import java.io.IOException; |
| import java.util.Hashtable; |
| import java.util.StringTokenizer; |
| |
| /** |
| * Keyword substitution. Input file is written to output file. |
| * Do not make input file same as output file. |
| * Keywords in input files look like this: @foo@. See the docs for the |
| * setKeys method to understand how to do the substitutions. |
| * |
| * @author Jon S. Stevens <a href="mailto:jon@clearink.com">jon@clearink.com</a> |
| * |
| * @deprecated KeySubst is deprecated. Use Filter + CopyDir instead. |
| */ |
| public class KeySubst extends Task { |
| private File source = null; |
| private File dest = null; |
| private String sep = "*"; |
| private Hashtable replacements = new Hashtable(); |
| |
| /** |
| Do the execution. |
| */ |
| public void execute() throws BuildException { |
| log("!! KeySubst is deprecated. Use Filter + CopyDir instead. !!"); |
| log("Performing Substitions"); |
| if ( source == null || dest == null ) { |
| log("Source and destinations must not be null"); |
| return; |
| } |
| BufferedReader br = null; |
| BufferedWriter bw = null; |
| try { |
| br = new BufferedReader(new FileReader(source)); |
| dest.delete(); |
| bw = new BufferedWriter(new FileWriter(dest)); |
| |
| String line = null; |
| String newline = null; |
| line = br.readLine(); |
| while (line != null) { |
| if ( line.length() == 0 ) { |
| bw.newLine(); |
| } else { |
| newline = KeySubst.replace ( line, replacements ); |
| bw.write ( newline ); |
| bw.newLine(); |
| } |
| line = br.readLine(); |
| } |
| bw.flush(); |
| bw.close(); |
| br.close(); |
| } catch (IOException ioe) { |
| ioe.printStackTrace(); |
| } |
| } |
| /** |
| Set the source file. |
| */ |
| public void setSrc(File s) { |
| this.source = s; |
| } |
| |
| /** |
| Set the destination file. |
| */ |
| public void setDest(File dest) { |
| this.dest = dest; |
| } |
| |
| /** |
| Sets the seperator between name=value arguments |
| in setKeys(). By default it is "*". |
| */ |
| public void setSep(String sep) { |
| this.sep = sep; |
| } |
| /** |
| * Sets the keys. |
| * |
| Format string is like this: |
| <p> |
| name=value*name2=value |
| <p> |
| Names are case sensitive. |
| <p> |
| Use the setSep() method to change the * to something else |
| if you need to use * as a name or value. |
| */ |
| public void setKeys(String keys) { |
| if (keys != null && keys.length() > 0) { |
| StringTokenizer tok = |
| new StringTokenizer(keys, this.sep, false); |
| while (tok.hasMoreTokens()) { |
| String token = tok.nextToken().trim(); |
| StringTokenizer itok = |
| new StringTokenizer(token, "=", false); |
| |
| String name = itok.nextToken(); |
| String value = itok.nextToken(); |
| // log ( "Name: " + name ); |
| // log ( "Value: " + value ); |
| replacements.put ( name, value ); |
| } |
| } |
| } |
| |
| |
| public static void main(String[] args) |
| { |
| try{ |
| Hashtable hash = new Hashtable(); |
| hash.put ( "VERSION", "1.0.3" ); |
| hash.put ( "b", "ffff" ); |
| System.out.println ( KeySubst.replace ( "$f ${VERSION} f ${b} jj $", hash ) ); |
| }catch ( Exception e) |
| { |
| e.printStackTrace(); |
| } |
| } |
| |
| /** |
| Does replacement on text using the hashtable of keys. |
| |
| @return the string with the replacements in it. |
| */ |
| public static String replace ( String origString, Hashtable keys ) |
| throws BuildException |
| { |
| StringBuffer finalString=new StringBuffer(); |
| int index=0; |
| int i = 0; |
| String key = null; |
| while ((index = origString.indexOf("${", i)) > -1) { |
| key = origString.substring(index + 2, origString.indexOf("}", index+3)); |
| finalString.append (origString.substring(i, index)); |
| if ( keys.containsKey ( key ) ) { |
| finalString.append (keys.get(key)); |
| } else { |
| finalString.append ( "${" ); |
| finalString.append ( key ); |
| finalString.append ( "}" ); |
| } |
| i = index + 3 + key.length(); |
| } |
| finalString.append (origString.substring(i)); |
| return finalString.toString(); |
| } |
| } |