| /* |
| * Copyright 2013-present Facebook, Inc. |
| * |
| * 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.facebook.buck.zip; |
| |
| import static java.util.zip.Deflater.BEST_COMPRESSION; |
| import static java.util.zip.Deflater.NO_COMPRESSION; |
| |
| import com.google.common.base.Preconditions; |
| |
| import java.util.zip.Deflater; |
| import java.util.zip.ZipEntry; |
| |
| public class CustomZipEntry extends ZipEntry { |
| |
| private int compressionLevel = Deflater.DEFAULT_COMPRESSION; |
| private long externalAttributes = 0; |
| |
| public CustomZipEntry(ZipEntry other) { |
| super(other); |
| setDefaultMethodIfMethodUnset(); |
| } |
| |
| public CustomZipEntry(String name) { |
| super(name); |
| setDefaultMethodIfMethodUnset(); |
| } |
| |
| private void setDefaultMethodIfMethodUnset() { |
| if (getMethod() == -1) { |
| setMethod(DEFLATED); |
| } |
| } |
| |
| public void setCompressionLevel(int compressionLevel) { |
| Preconditions.checkArgument( |
| compressionLevel >= NO_COMPRESSION && compressionLevel <= BEST_COMPRESSION); |
| this.compressionLevel = compressionLevel; |
| |
| // We need to update the underlying method declared |
| setMethod(compressionLevel == NO_COMPRESSION ? STORED : DEFLATED); |
| |
| // Reset the various fields that need to be updated. |
| setCrc(0); |
| setSize(0); |
| setCompressedSize(0); |
| } |
| |
| public int getCompressionLevel() { |
| return compressionLevel; |
| } |
| |
| public long getExternalAttributes() { |
| return externalAttributes; |
| } |
| |
| public void setExternalAttributes(long externalAttributes) { |
| this.externalAttributes = externalAttributes; |
| } |
| |
| } |