/*
* Copyright 2012-2017 the original author or authors.
*
* 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 org.springframework.boot.gradle.tasks.bundling;
import java.io.File;
import java.util.Collections;
import java.util.concurrent.Callable;
import org.gradle.api.Action;
import org.gradle.api.Project;
import org.gradle.api.file.FileCollection;
import org.gradle.api.file.FileCopyDetails;
import org.gradle.api.file.FileTreeElement;
import org.gradle.api.internal.file.copy.CopyAction;
import org.gradle.api.specs.Spec;
import org.gradle.api.tasks.Optional;
import org.gradle.api.tasks.bundling.War;
/**
* A custom {@link War} task that produces a Spring Boot executable war.
*
* @author Andy Wilkinson
* @since 2.0.0
*/
public class BootWar extends War implements BootArchive {
private final BootArchiveSupport support = new BootArchiveSupport(
"org.springframework.boot.loader.WarLauncher", this::resolveZipCompression);
private String mainClass;
private FileCollection providedClasspath;
/**
* Creates a new {@code BootWar} task.
*/
public BootWar() {
getWebInf().into("lib-provided",
copySpec -> copySpec
.from((Callable<Iterable<File>>) () -> this.providedClasspath == null
? Collections.emptyList() : this.providedClasspath));
}
@Override
public void copy() {
this.support.configureManifest(this, getMainClass());
super.copy();
}
@Override
protected CopyAction createCopyAction() {
return this.support.createCopyAction(this);
}
@Override
public String getMainClass() {
return this.mainClass;
}
@Override
public void setMainClass(String mainClass) {
this.mainClass = mainClass;
}
@Override
public void requiresUnpack(String... patterns) {
this.support.requiresUnpack(patterns);
}
@Override
public void requiresUnpack(Spec<FileTreeElement> spec) {
this.support.requiresUnpack(spec);
}
@Override
public LaunchScriptConfiguration getLaunchScript() {
return this.support.getLaunchScript();
}
@Override
public void launchScript(Action<LaunchScriptConfiguration> action) {
action.execute(getLaunchScript());
}
/**
* Returns the provided classpath, the contents of which will be included in the
* {@code WEB-INF/lib-provided} directory of the war.
*
* @return the provided classpath
*/
@Optional
public FileCollection getProvidedClasspath() {
return this.providedClasspath;
}
/**
* Adds files to the provided classpath to include in the {@code WEB-INF/lib-provided}
* directory of the war. The given {@code classpath} are evaluated as per
* {@link Project#files(Object...)}.
*
* @param classpath the additions to the classpath
*/
public void providedClasspath(Object... classpath) {
FileCollection existingClasspath = this.providedClasspath;
this.providedClasspath = getProject().files(
existingClasspath == null ? Collections.emptyList() : existingClasspath,
classpath);
}
@Override
public boolean isExcludeDevtools() {
return this.support.isExcludeDevtools();
}
@Override
public void setExcludeDevtools(boolean excludeDevtools) {
this.support.setExcludeDevtools(excludeDevtools);
}
/**
* Returns the {@link ZipCompression} that should be used when adding the file
* represented by the given {@code details} to the jar.
* <p>
* By default, any file in {@code WEB-INF/lib/} or {@code WEB-INF/lib-provided/} is
* stored and all other files are deflated.
*
* @param details the details
* @return the compression to use
*/
protected ZipCompression resolveZipCompression(FileCopyDetails details) {
String relativePath = details.getRelativePath().getPathString();
if (relativePath.startsWith("WEB-INF/lib/")
|| relativePath.startsWith("WEB-INF/lib-provided/")) {
return ZipCompression.STORED;
}
return ZipCompression.DEFLATED;
}
}