/*
* Copyright 2011 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.file.collections;
import groovy.lang.Closure;
import org.gradle.api.Buildable;
import org.gradle.api.Task;
import org.gradle.api.file.FileCollection;
import org.gradle.api.internal.tasks.TaskDependencyResolveContext;
import org.gradle.api.tasks.TaskOutputs;
import org.gradle.internal.file.PathToFileResolver;
import java.util.concurrent.Callable;
import static org.gradle.util.GUtil.uncheckedCall;
/**
* <p>A {@link FileCollectionResolveContext} which is used to determine the builder dependencies of a file collection hierarchy.
*/
public class BuildDependenciesOnlyFileCollectionResolveContext implements FileCollectionResolveContext {
private final TaskDependencyResolveContext taskContext;
public BuildDependenciesOnlyFileCollectionResolveContext(TaskDependencyResolveContext taskContext) {
this.taskContext = taskContext;
}
@Override
public FileCollectionResolveContext push(PathToFileResolver fileResolver) {
return this;
}
@Override
public ResolvableFileCollectionResolveContext newContext() {
// Currently not required
throw new UnsupportedOperationException();
}
@Override
public FileCollectionResolveContext add(Object element) {
// TODO - need to sync with DefaultFileCollectionResolveContext
if (element instanceof FileCollection) {
taskContext.add(element);
} else if (element instanceof MinimalFileCollection && element instanceof Buildable) {
taskContext.add(element);
} else if (element instanceof Task) {
Task task = (Task) element;
taskContext.add(task);
} else if (element instanceof TaskOutputs) {
TaskOutputs outputs = (TaskOutputs) element;
taskContext.add(outputs.getFiles());
} else if (element instanceof Closure) {
Closure closure = (Closure) element;
Object closureResult = closure.call();
if (closureResult != null) {
add(closureResult);
}
} else if (element instanceof Callable) {
Callable callable = (Callable) element;
Object callableResult = uncheckedCall(callable);
if (callableResult != null) {
add(callableResult);
}
} else if (element instanceof Iterable) {
Iterable<?> iterable = (Iterable) element;
for (Object value : iterable) {
add(value);
}
} else if (element instanceof Object[]) {
Object[] array = (Object[]) element;
for (Object value : array) {
add(value);
}
}
// Everything else assume has no dependencies
return this;
}
}