Fix licence and add correct SPDX licence identifier (#414)

* Moved LICENSE.txt to the more standard LICENCE, ensuring the text is the same as the canonical version at https://opensource.org/license/BSD-3-Clause
* Used the correct SPDX license identifier in the Bundle-License field in the manifest, as well as the pom
* Used the correct SPDX license identifier in the pom

Co-authored-by: Vladimir Sitnikov <[email protected]>

CHANGES.md

@@ -6,6 +6,10 @@
 
 * Java 1.8 or newer ([Issue #331](https://github.com/hamcrest/JavaHamcrest/issues/331), [PR #411](https://github.com/hamcrest/JavaHamcrest/issues/411)).
 * FileMatchersTest simplification ([PR #389](https://github.com/hamcrest/JavaHamcrest/issues/389))
+* License cleanup ([PR #414](https://github.com/hamcrest/JavaHamcrest/issues/414),
+see also [#264](https://github.com/hamcrest/JavaHamcrest/issues/264),
+[#355](https://github.com/hamcrest/JavaHamcrest/issues/355), and
+[#399](https://github.com/hamcrest/JavaHamcrest/issues/399))
 
 TBD
 

LICENSE

@@ -0,0 +1,29 @@
+BSD 3-Clause License
+
+Copyright (c) 2000-2024, www.hamcrest.org
+
+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. Neither the name of the copyright holder nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS 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 COPYRIGHT HOLDER OR 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.
+

build.gradle

@@ -74,7 +74,7 @@ def pomConfigurationFor(String pomName, String pomDescription) {
 
         licenses {
             license {
-                name = 'BSD License 3'
+                name = 'BSD-3-Clause'
                 url = 'http://opensource.org/licenses/BSD-3-Clause'
             }
         }

hamcrest/hamcrest.gradle

@@ -24,6 +24,7 @@ jar {
     bundle {
         bnd 'Bundle-Name':          'org.hamcrest',
             'Bundle-SymbolicName':  'org.hamcrest',
+            'Bundle-License':       'BSD-3-Clause',
             'Import-Package':       'javax.xml.namespace; resolution:=optional,' +
                                     'javax.xml.xpath;resolution:=optional,' +
                                     'org.w3c.dom;resolution:=optional,' +