[
https://issues.apache.org/jira/browse/COMPRESS-477?focusedWorklogId=351744&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-351744
]
ASF GitHub Bot logged work on COMPRESS-477:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 02/Dec/19 05:14
Start Date: 02/Dec/19 05:14
Worklog Time Spent: 10m
Work Description: bodewig commented on pull request #84: COMPRESS-477 Add
support for extracting splitted zip files
URL: https://github.com/apache/commons-compress/pull/84#discussion_r341816324
##########
File path:
src/main/java/org/apache/commons/compress/utils/ZipSplitSegmentComparator.java
##########
@@ -0,0 +1,45 @@
+/*
+ * 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 org.apache.commons.compress.utils;
+
+import org.apache.commons.compress.compressors.FileNameUtil;
+
+import java.io.File;
+import java.util.Comparator;
+
+public class ZipSplitSegmentComparator implements Comparator<File> {
Review comment:
I'd probably make that an inner class of
`ZipSplitReadOnlySeekableByteChannel` but haven't got any strong opinion either
way.
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Issue Time Tracking
-------------------
Worklog Id: (was: 351744)
Time Spent: 5h 40m (was: 5.5h)
> Support for splitted zip files
> ------------------------------
>
> Key: COMPRESS-477
> URL: https://issues.apache.org/jira/browse/COMPRESS-477
> Project: Commons Compress
> Issue Type: New Feature
> Components: Archivers
> Affects Versions: 1.18
> Reporter: Luís Filipe Nassif
> Priority: Major
> Labels: zip
> Fix For: 1.20
>
> Time Spent: 5h 40m
> Remaining Estimate: 0h
>
> It would be very useful to support splitted zip files. I've read
> [https://pkware.cachefly.net/webdocs/casestudies/APPNOTE.TXT] and understood
> that simply concatenating the segments and removing the split signature
> 0x08074b50 from first segment would be sufficient, but it is not that simple
> because compress fails with exception below:
> {code}
> Caused by: java.util.zip.ZipException: archive's ZIP64 end of central
> directory locator is corrupt.
> at
> org.apache.commons.compress.archivers.zip.ZipFile.positionAtCentralDirectory64(ZipFile.java:924)
> ~[commons-compress-1.18.jar:1.18]
> at
> org.apache.commons.compress.archivers.zip.ZipFile.positionAtCentralDirectory(ZipFile.java:901)
> ~[commons-compress-1.18.jar:1.18]
> at
> org.apache.commons.compress.archivers.zip.ZipFile.populateFromCentralDirectory(ZipFile.java:621)
> ~[commons-compress-1.18.jar:1.18]
> at
> org.apache.commons.compress.archivers.zip.ZipFile.<init>(ZipFile.java:295)
> ~[commons-compress-1.18.jar:1.18]
> at
> org.apache.commons.compress.archivers.zip.ZipFile.<init>(ZipFile.java:280)
> ~[commons-compress-1.18.jar:1.18]
> at
> org.apache.commons.compress.archivers.zip.ZipFile.<init>(ZipFile.java:236)
> ~[commons-compress-1.18.jar:1.18]
> {code}
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