org.gradle.api.file.FileContents Maven / Gradle / Ivy
Show all versions of gradle-api Show documentation
/*
* Copyright 2019 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.file;
import org.gradle.api.provider.Provider;
/**
* Provides lazy access to the contents of a given file.
*
* @since 6.1
*/
public interface FileContents {
/**
* Gets a provider of the entire file contents as a single String.
*
*
* The file is read only once and only when the value is requested for the first time.
*
*
* The returned provider won't have a value, i.e., {@link Provider#isPresent} will return {@code false} when:
*
*
* - the underlying file does not exist;
* - this {@link FileContents} is connected to a {@link Provider}{@code <}{@link RegularFile}{@code >} with no value;
*
*
* When the underlying file exists but reading it fails, the ensuing exception is permanently propagated to callers of
* {@link Provider#get}, {@link Provider#getOrElse}, {@link Provider#getOrNull} and {@link Provider#isPresent}.
*
*
* @return provider of the entire file contents as a single String.
*/
Provider getAsText();
/**
* Gets a provider of the entire file contents as a single byte array.
*
*
* The file is read only once and only when the value is requested for the first time.
*
*
* The returned provider won't have a value, i.e., {@link Provider#isPresent} will return {@code false} when:
*
*
* - the underlying file does not exist;
* - this {@link FileContents} is connected to a {@link Provider}{@code <}{@link RegularFile}{@code >} with no value;
*
*
* When the underlying file exists but reading it fails, the ensuing exception is permanently propagated to callers of
* {@link Provider#get}, {@link Provider#getOrElse}, {@link Provider#getOrNull} and {@link Provider#isPresent}.
*
*
* @return provider of the entire file contents as a single byte array.
*/
Provider getAsBytes();
}