com.speedment.common.codegen.internal.java.view.FileView 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.
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/*
*
* 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.codegen.internal.java.view;
import com.speedment.common.codegen.DependencyManager;
import com.speedment.common.codegen.Generator;
import com.speedment.common.codegen.Transform;
import com.speedment.common.codegen.internal.java.view.trait.HasClassesView;
import com.speedment.common.codegen.internal.java.view.trait.HasImportsView;
import com.speedment.common.codegen.internal.java.view.trait.HasJavadocView;
import com.speedment.common.codegen.model.File;
import com.speedment.common.codegen.util.Formatting;
import java.util.Optional;
import static com.speedment.common.codegen.internal.util.NullUtil.requireNonNulls;
import static com.speedment.common.codegen.util.Formatting.*;
/**
* Transforms from a {@link File} to java code.
*
* @author Emil Forslund
*/
public final class FileView implements Transform,
HasImportsView,
HasJavadocView,
HasClassesView {
@Override
public Optional transform(Generator gen, File model) {
requireNonNulls(gen, model);
final DependencyManager mgr = gen.getDependencyMgr();
mgr.clearDependencies();
final String pack = fileToClassName(model.getName())
.flatMap(Formatting::packageName)
.orElse("");
mgr.setCurrentPackage(pack);
final Optional view = Optional.of(
renderJavadoc(gen, model) +
renderPackage(model) +
renderImports(gen, model) +
renderClasses(gen, model)
);
mgr.unsetCurrentPackage(pack);
return view;
}
/**
* Renders the 'package'-part of the file. In java, the package should only
* be present if the file is located in a directory in the sources folder.
* If the file is in the global package, an empty string will be returned.
*
* The package part will be suffixed by two new line characters if a package
* was outputted.
*
* Example:
"package com.speedment.example;\n\n"
*
* @param file the file
* @return the package part or an empty string
*/
private String renderPackage(File file) {
final Optional name = fileToClassName(file.getName());
if (name.isPresent()) {
final Optional pack = packageName(name.get());
if (pack.isPresent()) {
return "package " + pack.get() + ";" + dnl();
}
}
return "";
}
}