com.gitee.starblues.loader.jar.FileHeader Maven / Gradle / Ivy
/*
* Copyright 2012-2021 the original author or authors.
* Copy from spring-boot-loader
*
* 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
*
* https://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 com.gitee.starblues.loader.jar;
import java.util.zip.ZipEntry;
/**
* A file header record that has been loaded from a Jar file.
*
* @author Phillip Webb
* @see JarEntry
* @see CentralDirectoryFileHeader
*/
public interface FileHeader {
/**
* Returns {@code true} if the header has the given name.
* @param name the name to test
* @param suffix an additional suffix (or {@code 0})
* @return {@code true} if the header has the given name
*/
boolean hasName(CharSequence name, char suffix);
/**
* Return the offset of the load file header within the archive data.
* @return the local header offset
*/
long getLocalHeaderOffset();
/**
* Return the compressed size of the entry.
* @return the compressed size.
*/
long getCompressedSize();
/**
* Return the uncompressed size of the entry.
* @return the uncompressed size.
*/
long getSize();
/**
* Return the method used to compress the data.
* @return the zip compression method
* @see ZipEntry#STORED
* @see ZipEntry#DEFLATED
*/
int getMethod();
}