/*
* Copyright 2010 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.api.internal.tasks;
import groovy.lang.Closure;
import org.gradle.api.Task;
import org.gradle.api.file.FileCollection;
import org.gradle.api.internal.TaskExecutionHistory;
import org.gradle.api.internal.TaskInternal;
import org.gradle.api.internal.TaskOutputsInternal;
import org.gradle.api.internal.file.FileResolver;
import org.gradle.api.internal.file.collections.DefaultConfigurableFileCollection;
import org.gradle.api.specs.AndSpec;
import org.gradle.api.specs.Spec;
import org.gradle.api.tasks.TaskOutputs;
public class DefaultTaskOutputs implements TaskOutputsInternal {
private final DefaultConfigurableFileCollection outputFiles;
private AndSpec<TaskInternal> upToDateSpec = new AndSpec<TaskInternal>();
private TaskExecutionHistory history;
private final TaskMutator taskMutator;
public DefaultTaskOutputs(FileResolver resolver, TaskInternal task, TaskMutator taskMutator) {
this.taskMutator = taskMutator;
outputFiles = new DefaultConfigurableFileCollection(String.format("%s output files", task), resolver, null);
outputFiles.builtBy(task);
}
public Spec<? super TaskInternal> getUpToDateSpec() {
return upToDateSpec;
}
public void upToDateWhen(final Closure upToDateClosure) {
taskMutator.mutate("TaskOutputs.upToDateWhen(Closure)", new Runnable() {
public void run() {
upToDateSpec = upToDateSpec.and(upToDateClosure);
}
});
}
public void upToDateWhen(final Spec<? super Task> spec) {
taskMutator.mutate("TaskOutputs.upToDateWhen(Spec)", new Runnable() {
public void run() {
upToDateSpec = upToDateSpec.and(spec);
}
});
}
public boolean getHasOutput() {
return !outputFiles.getFrom().isEmpty() || !upToDateSpec.getSpecs().isEmpty();
}
public FileCollection getFiles() {
return outputFiles;
}
public TaskOutputs files(final Object... paths) {
taskMutator.mutate("TaskOutputs.files(Object...)", new Runnable() {
public void run() {
outputFiles.from(paths);
}
});
return this;
}
public TaskOutputs file(final Object path) {
taskMutator.mutate("TaskOutputs.file(Object)", new Runnable() {
public void run() {
outputFiles.from(path);
}
});
return this;
}
public TaskOutputs dir(final Object path) {
taskMutator.mutate("TaskOutputs.dir(Object)", new Runnable() {
public void run() {
outputFiles.from(path);
}
});
return this;
}
public FileCollection getPreviousFiles() {
if (history == null) {
throw new IllegalStateException("Task history is currently not available for this task.");
}
return history.getOutputFiles();
}
public void setHistory(TaskExecutionHistory history) {
this.history = history;
}
}