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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.
+from mesonbuild.templates.sampleimpl import SampleImpl
+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)
+'''
+
+
+class JavaProject(SampleImpl):
+ def __init__(self, options):
+ super().__init__()
+ self.name = options.name
+ self.version = options.version
+
+ def create_executable(self) -> None:
+ lowercase_token = re.sub(r'[^a-z0-9]', '_', self.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', encoding='utf-8').write(
+ hello_java_template.format(project_name=self.name,
+ class_name=class_name))
+ open('meson.build', 'w', encoding='utf-8').write(
+ hello_java_meson_template.format(project_name=self.name,
+ exe_name=class_name,
+ source_name=source_name,
+ version=self.version))
+
+ def create_library(self) -> None:
+ lowercase_token = re.sub(r'[^a-z0-9]', '_', self.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,
+ 'project_name': self.name,
+ 'lib_name': lowercase_token,
+ 'test_name': lowercase_token,
+ 'version': self.version,
+ }
+ open(lib_java_name, 'w', encoding='utf-8').write(lib_java_template.format(**kwargs))
+ open(test_java_name, 'w', encoding='utf-8').write(lib_java_test_template.format(**kwargs))
+ open('meson.build', 'w', encoding='utf-8').write(lib_java_meson_template.format(**kwargs))