/*
* Copyright 2014 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.gradle.language.base.internal.plugins;
import org.apache.commons.lang.StringUtils;
import org.gradle.api.Rule;
import org.gradle.api.Task;
import org.gradle.api.tasks.Delete;
import org.gradle.api.tasks.TaskContainer;
public class CleanRule implements Rule {
public static final String PREFIX = "clean";
private final TaskContainer tasks;
public CleanRule(TaskContainer tasks) {
this.tasks = tasks;
}
public String getDescription() {
return String.format("Pattern: %s<TaskName>: Cleans the output files of a task.", PREFIX);
}
@Override
public String toString() {
return String.format("Rule: %s", getDescription());
}
public void apply(String taskName) {
if (!taskName.startsWith(PREFIX)) {
return;
}
String targetTaskName = taskName.substring(PREFIX.length());
if (Character.isLowerCase(targetTaskName.charAt(0))) {
return;
}
Task task = tasks.findByName(StringUtils.uncapitalize(targetTaskName));
if (task == null) {
return;
}
Delete clean = tasks.create(taskName, Delete.class);
clean.delete(task.getOutputs().getFiles());
}
}