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87
src/main/java/ru/olegcherednik/zip4jvm/io/writers/ZipEntryNoDataDescriptorWriter.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you 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 ru.olegcherednik.zip4jvm.io.writers; | ||
|
|
||
| import ru.olegcherednik.zip4jvm.io.out.data.DataOutput; | ||
| import ru.olegcherednik.zip4jvm.io.out.data.EncryptedDataOutput; | ||
| import ru.olegcherednik.zip4jvm.io.out.entry.PayloadCalculationOutputStream; | ||
| import ru.olegcherednik.zip4jvm.io.out.entry.compressed.CompressedEntryOutputStream; | ||
| import ru.olegcherednik.zip4jvm.io.out.entry.xxx.DataDescriptorOut; | ||
| import ru.olegcherednik.zip4jvm.io.out.entry.xxx.LocalFileHeaderOut; | ||
| import ru.olegcherednik.zip4jvm.io.out.entry.xxx.UpdateZip64; | ||
| import ru.olegcherednik.zip4jvm.model.entry.ZipEntry; | ||
| import ru.olegcherednik.zip4jvm.utils.function.Writer; | ||
|
|
||
| import lombok.RequiredArgsConstructor; | ||
| import org.apache.commons.io.IOUtils; | ||
|
|
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| import java.io.IOException; | ||
| import java.io.InputStream; | ||
|
|
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| /** | ||
| * @author Oleg Cherednik | ||
| * @since 26.02.2023 | ||
| */ | ||
| @RequiredArgsConstructor | ||
| public final class ZipEntryNoDataDescriptorWriter implements Writer { | ||
|
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| private static final String COMPRESSED_DATA = | ||
| ZipEntryNoDataDescriptorWriter.class.getSimpleName() + ".entryCompressedDataOffs"; | ||
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| private final ZipEntry zipEntry; | ||
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| @Override | ||
| public void write(DataOutput out) throws IOException { | ||
| // 1. compression | ||
| // 2. encryption | ||
| zipEntry.setDiskNo(out.getDiskNo()); | ||
|
|
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| /* | ||
| The series of | ||
| [local file header] | ||
| [encryption header] | ||
| [file data] | ||
| [data descriptor] | ||
| */ | ||
|
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| new LocalFileHeaderOut().write(zipEntry, out); | ||
| out.mark(COMPRESSED_DATA); | ||
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| EncryptedDataOutput encryptedDataOutput = EncryptedDataOutput.create(zipEntry, out); | ||
| CompressedEntryOutputStream cos = CompressedEntryOutputStream.create(zipEntry, encryptedDataOutput); | ||
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| encryptedDataOutput.writeEncryptionHeader(); | ||
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| try (InputStream in = zipEntry.getInputStream(); | ||
| PayloadCalculationOutputStream os = new PayloadCalculationOutputStream(zipEntry, cos)) { | ||
| IOUtils.copyLarge(in, os); | ||
| } | ||
|
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| encryptedDataOutput.encodingAccomplished(); | ||
| zipEntry.setCompressedSize(out.getWrittenBytesAmount(COMPRESSED_DATA)); | ||
| new UpdateZip64().update(zipEntry); | ||
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| new DataDescriptorOut().write(zipEntry, out); | ||
| } | ||
|
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| @Override | ||
| public String toString() { | ||
| return '+' + zipEntry.getFileName(); | ||
| } | ||
| } |
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