/*
* 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.buildinfo;
import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import org.gradle.api.Action;
import org.gradle.api.Project;
import org.gradle.api.Task;
import org.gradle.api.internal.ConventionTask;
import org.gradle.api.tasks.Input;
import org.gradle.api.tasks.OutputDirectory;
import org.gradle.api.tasks.TaskAction;
import org.gradle.api.tasks.TaskExecutionException;
import org.springframework.boot.loader.tools.BuildPropertiesWriter;
import org.springframework.boot.loader.tools.BuildPropertiesWriter.ProjectDetails;
/**
* {@link Task} for generating a {@code build-info.properties} file from a
* {@code Project}.
*
* @author Andy Wilkinson
*/
public class BuildInfo extends ConventionTask {
private final BuildInfoProperties properties = new BuildInfoProperties(getProject());
private File destinationDir;
/**
* Generates the {@code build-info.properties} file in the configured
* {@link #setDestinationDir(File) destination}.
*/
@TaskAction
public void generateBuildProperties() {
try {
new BuildPropertiesWriter(
new File(getDestinationDir(), "build-info.properties"))
.writeBuildProperties(new ProjectDetails(
this.properties.getGroup(),
this.properties.getArtifact() == null ? "unspecified"
: this.properties.getArtifact(),
this.properties.getVersion(),
this.properties.getName(), coerceToStringValues(
this.properties.getAdditional())));
}
catch (IOException ex) {
throw new TaskExecutionException(this, ex);
}
}
/**
* Returns the directory to which the {@code build-info.properties} file will be
* written. Defaults to the {@link Project#getBuildDir() Project's build directory}.
*
* @return the destination directory
*/
@OutputDirectory
public File getDestinationDir() {
return this.destinationDir != null ? this.destinationDir
: getProject().getBuildDir();
}
/**
* Sets the directory to which the {@code build-info.properties} file will be written.
*
* @param destinationDir the destination directory
*/
public void setDestinationDir(File destinationDir) {
this.destinationDir = destinationDir;
}
/**
* Returns the {@link BuildInfoProperties properties} that will be included in the
* {@code build-info.properties} file.
*
* @return the properties
*/
@Input
public BuildInfoProperties getProperties() {
return this.properties;
}
/**
* Executes the given {@code action} on the {@link #getProperties()} properties.
*
* @param action the action
*/
public void properties(Action<BuildInfoProperties> action) {
action.execute(this.properties);
}
private Map<String, String> coerceToStringValues(Map<String, Object> input) {
Map<String, String> output = new HashMap<>();
for (Entry<String, Object> entry : input.entrySet()) {
output.put(entry.getKey(), entry.getValue().toString());
}
return output;
}
}