Perl script to put the Apache contributed License header on java files.

convert_license.pl

#!/usr/bin/perl
# find . -name \*.java | xargs -n 1 perl -i.bak SCRIPT

# Licenses
# Apache, where the code is granted to the Apache Software Foundation.
$HEADER1=<<'EOF';
/*
 * 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.
 */
EOF

undef $/ ;
# read all
$_ = <> ;

# Remove initial comments.

s!/.*?\npackage!\npackage!s ;

$HEADER="$HEADER1";

print $HEADER ;
print $_ ;