com.speedment.common.lazy.internal.generator.GenerateSpecialized Maven / Gradle / Ivy
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A Speedment bundle that shades all dependencies into one jar. This is
useful when deploying an application on a server.
The newest version!
/*
*
* Copyright (c) 2006-2019, Speedment, Inc. All Rights Reserved.
*
* 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.
*/
package com.speedment.common.lazy.internal.generator;
import java.io.IOException;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.StandardOpenOption;
import java.sql.Timestamp;
import java.util.*;
import java.util.stream.Stream;
import static java.util.stream.Collectors.toList;
import static java.util.stream.Collectors.toSet;
/**
*
* @author Per Minborg
*/
public class GenerateSpecialized {
final static Path TEMPLATE = Paths.get("src/main/resources/", "LazyTemplate.txt");
final static Path TARGET_DIR = Paths.get("src/main/java/com/speedment/common/lazy/specialized");
public static void main(String[] args) throws IOException {
final Set> oneArgClasses = Stream.of(Class.class).collect(toSet());
for (final Class clazz : Arrays.asList(
String.class,
Boolean.class,
Byte.class,
Float.class,
Number.class,
Short.class,
BitSet.class,
UUID.class,
BigDecimal.class,
BigInteger.class,
Timestamp.class,
Class.class
)) {
final String arg0Replacement = clazz.getSimpleName();
final String arg1Replacement = importStatement(clazz).orElse("");
final String arg2Replacement = oneArgClasses.contains(clazz) ? clazz.getSimpleName() + "" : clazz.getSimpleName();
final List code;
try (Stream lines = Files.lines(TEMPLATE)
.map(l -> l.replace("{$0}", arg0Replacement))
.map(l -> l.replace("{$1}", arg1Replacement))
.map(l -> l.replace("{$2}", arg2Replacement))
) {
code = lines.collect(toList());
}
final Path target = Paths.get(TARGET_DIR.toString(), "Lazy" + clazz.getSimpleName() + ".java");
Files.write(target, code, StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING, StandardOpenOption.WRITE);
}
}
private static Optional importStatement(Class clazz) {
if ("java.lang".equals(clazz.getPackage().getName())) {
return Optional.empty();
}
return Optional.of("import " + clazz.getName() + ";");
}
}