/*
* Copyright 2009 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.hash;
import com.google.common.hash.HashCode;
import org.gradle.api.file.FileTreeElement;
import org.gradle.internal.nativeintegration.filesystem.FileMetadataSnapshot;
import org.gradle.internal.resource.TextResource;
import java.io.File;
import java.io.InputStream;
public interface FileHasher {
/**
* Returns the hash of the given input stream.
*/
HashCode hash(InputStream inputStream);
/**
* Returns the hash of the current content of the given resource. The provided resource must have content available.
*/
HashCode hash(TextResource resource);
/**
* Returns the hash of the current content of the given file. The provided file must exist and be a file (rather than, say, a directory).
*/
HashCode hash(File file);
/**
* Returns the hash of the current content of the given file, assuming the given file metadata. The provided file must exist and be a file (rather than, say, a directory).
*/
HashCode hash(FileTreeElement fileDetails);
/**
* Returns the hash of the current content of the given file, assuming the given file metadata. The provided file must exist and be a file (rather than, say, a directory).
*/
HashCode hash(File file, FileMetadataSnapshot fileDetails);
}