| #************************************************************** |
| # |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| # |
| #************************************************************** |
| |
| |
| |
| use warnings; |
| use strict; |
| use diagnostics; |
| |
| sub trim; |
| sub readRedirectionValues($); |
| |
| my $usage = |
| "Usage is: \n subst_template.pl configTemplate redirections policyConfig |
| |
| configTemplate: The config file which is used for the policy assembly. It |
| contains place holders for the binding redirection. |
| |
| redirections: file containing the values for oldVersion and newVersion tags |
| which are used in the BindingRedirect element of the config files. |
| |
| policyConfig: Name of the file in which we want to write the config file. |
| "; |
| |
| |
| if (scalar @ARGV < 3) { |
| print $usage; |
| exit -1; |
| } |
| |
| |
| my %redirectionValue = readRedirectionValues($ARGV[1]); |
| #print "|$_| |$redirectionValue{$_}|\n", for keys %redirectionValue; |
| |
| |
| #Read config file in which we will replace the versions |
| $/ = undef; |
| open TEMPLATE, $ARGV[0] or die $!; |
| my $templ = <TEMPLATE>; |
| |
| #Open the config file we are goint to write to |
| open CONFIG, "> $ARGV[2]" or die "Cannot write to $ARGV[2] $!"; |
| |
| #No substitute the place holders for oldVersion and new Version in the config template with |
| #the values obtained from the redirections file |
| for (keys %redirectionValue) { |
| $templ=~ s/\b$_\b/$redirectionValue{$_}/; |
| } |
| #Write the config file |
| print CONFIG $templ; |
| |
| #Reads the key value pairs from the files, which name must be passed in |
| #the parameter. The file contains lines of the form name=value, for example |
| #CLI_TYPES_OLD_VERSION=1.1.0.0-1.1.1.0 |
| sub readRedirectionValues($) |
| { |
| #Read in the values for the version redirection |
| open REDIR, $_[0] or die $!; |
| |
| my %redirectionValues; |
| |
| while (<REDIR>) |
| { |
| chomp; |
| my $trimmed; |
| #Skip empty lines |
| if (length($trimmed = trim($_)) == 0) { |
| next; |
| } |
| |
| #Skip comment symbol: # |
| if ($trimmed =~ /^#/) { |
| next; |
| } |
| |
| my @lineParts = split /=/,$_; |
| |
| #Check if we have valid name value pairs. |
| if (scalar @lineParts != 2) { |
| print "Error: Values in $ARGV[1] are not correct (Entries must have the form name=value). Invalid line: \n$_\n"; |
| exit -1; |
| } |
| |
| #Trim the strings and check if they still contain characters |
| my $name = trim($lineParts[0]); |
| my $value = trim($lineParts[1]); |
| if (length($name) == 0 || length($value) == 0) { |
| print "Error: Values in $ARGV[1] are not correct. Invalid line: \n$_\n"; |
| exit -1; |
| } |
| |
| #Check if we have duplicate key names |
| for (keys %redirectionValues) { |
| if ( $name eq $_) { |
| print "Error: Values in $ARGV[1] are not correct. The name $_ is not unique.\n"; |
| exit -1; |
| } |
| } |
| |
| $redirectionValues{$name} = $value; |
| } |
| return %redirectionValues; |
| } |
| |
| sub trim($) |
| { |
| my $string = shift; |
| $string =~ s/^\s+//; |
| $string =~ s/\s+$//; |
| return $string; |
| } |