1 files changed, 129 insertions, 0 deletions
diff --git a/mesonbuild/templates/javatemplates.py b/mesonbuild/templates/javatemplates.py
new file mode 100644
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+++ b/mesonbuild/templates/javatemplates.py
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+# Copyright 2019 The Meson development team
+
+# Licensed 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.
+import re
+
+
+hello_java_template = '''
+
+public class {class_name} {{
+    final static String PROJECT_NAME = "{project_name}";
+
+    public static void main (String args[]) {{
+        if(args.length != 0) {{
+            System.out.println(args + " takes no arguments.");
+            System.exit(0);
+        }}
+        System.out.println("This is project " + PROJECT_NAME + ".");
+        System.exit(0);
+    }}
+}}
+
+'''
+
+hello_java_meson_template = '''project('{project_name}', 'java',
+  version : '{version}',
+  default_options : ['warning_level=3'])
+
+exe = jar('{exe_name}', '{source_name}',
+  main_class : '{exe_name}',
+  install : true)
+
+test('basic', exe)
+'''
+
+lib_java_template = '''
+
+public class {class_name} {{
+    final static int number = 6;
+
+    public final int get_number() {{
+      return number;
+    }}
+}}
+
+'''
+
+lib_java_test_template = '''
+
+public class {class_test} {{
+    public static void main (String args[]) {{
+        if(args.length != 0) {{
+            System.out.println(args + " takes no arguments.");
+            System.exit(1);
+        }}
+
+        {class_name} c = new {class_name}();
+        Boolean result = true;
+        System.exit(result.compareTo(c.get_number() != 6));
+    }}
+}}
+
+'''
+
+lib_java_meson_template = '''project('{project_name}', 'java',
+  version : '{version}',
+  default_options : ['warning_level=3'])
+
+jarlib = jar('{class_name}', '{source_file}',
+  main_class : '{class_name}',
+  install : true,
+)
+
+test_jar = jar('{class_test}', '{test_source_file}',
+  main_class : '{class_test}',
+  link_with : jarlib)
+test('{test_name}', test_jar)
+
+# Make this library usable as a Meson subproject.
+{ltoken}_dep = declare_dependency(
+  include_directories: include_directories('.'),
+  link_with : jarlib)
+'''
+
+
+def create_exe_java_sample(project_name, project_version):
+    lowercase_token = re.sub(r'[^a-z0-9]', '_', project_name.lower())
+    uppercase_token = lowercase_token.upper()
+    class_name = uppercase_token[0] + lowercase_token[1:]
+    source_name = uppercase_token[0] + lowercase_token[1:] + '.java'
+    open(source_name, 'w').write(hello_java_template.format(project_name=project_name,
+                                                            class_name=class_name))
+    open('meson.build', 'w').write(hello_java_meson_template.format(project_name=project_name,
+                                                                    exe_name=class_name,
+                                                                    source_name=source_name,
+                                                                    version=project_version))
+
+
+def create_lib_java_sample(project_name, version):
+    lowercase_token = re.sub(r'[^a-z0-9]', '_', project_name.lower())
+    uppercase_token = lowercase_token.upper()
+    class_name = uppercase_token[0] + lowercase_token[1:]
+    class_test = uppercase_token[0] + lowercase_token[1:] + '_test'
+    lib_java_name = uppercase_token[0] + lowercase_token[1:] + '.java'
+    test_java_name = uppercase_token[0] + lowercase_token[1:] + '_test.java'
+    kwargs = {'utoken': uppercase_token,
+              'ltoken': lowercase_token,
+              'class_test': class_test,
+              'class_name': class_name,
+              'source_file': lib_java_name,
+              'test_source_file': test_java_name,
+              'test_exe_name': lowercase_token,
+              'project_name': project_name,
+              'lib_name': lowercase_token,
+              'test_name': lowercase_token,
+              'version': version,
+              }
+    open(lib_java_name, 'w').write(lib_java_template.format(**kwargs))
+    open(test_java_name, 'w').write(lib_java_test_template.format(**kwargs))
+    open('meson.build', 'w').write(lib_java_meson_template.format(**kwargs))