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/*
* Copyright (C) 2015 The Android Open Source Project
*
* 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 com.android.apkzlib.zip;
import javax.annotation.Nullable;
/**
* Enumeration with all known compression methods.
*/
public enum CompressionMethod {
/**
* STORE method: data is stored without any compression.
*/
STORE(0),
/**
* DEFLATE method: data is stored compressed using the DEFLATE algorithm.
*/
DEFLATE(8);
/**
* Code, within the zip file, that identifies this compression method.
*/
int methodCode;
/**
* Creates a new compression method.
*
* @param methodCode the code used in the zip file that identifies the compression method
*/
CompressionMethod(int methodCode) {
this.methodCode = methodCode;
}
/**
* Obtains the compression method that corresponds to the provided code.
*
* @param code the code
* @return the method or {@code null} if no method has the provided code
*/
@Nullable
static CompressionMethod fromCode(long code) {
for (CompressionMethod method : values()) {
if (method.methodCode == code) {
return method;
}
}
return null;
}
}
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