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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| package processing.app.tools; | ||
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| import java.io.File; | ||
| import java.io.FileOutputStream; | ||
| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.util.Enumeration; | ||
| import java.util.Random; | ||
| import java.util.zip.ZipEntry; | ||
| import java.util.zip.ZipException; | ||
| import java.util.zip.ZipFile; | ||
|
|
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| public class ZipDeflater { | ||
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| private final ZipFile zipFile; | ||
| private final File destFolder; | ||
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| public ZipDeflater(File file, File destFolder) throws ZipException, IOException { | ||
| this.destFolder = destFolder; | ||
| this.zipFile = new ZipFile(file); | ||
| } | ||
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| public void deflate() throws IOException { | ||
| String folderName = tempFolderNameFromZip(); | ||
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| File folder = new File(destFolder, folderName); | ||
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| if (!folder.mkdir()) { | ||
| throw new IOException("Unable to create folder " + folderName); | ||
| } | ||
|
|
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| Enumeration<? extends ZipEntry> entries = zipFile.entries(); | ||
| while (entries.hasMoreElements()) { | ||
| ZipEntry entry = entries.nextElement(); | ||
| ensureFoldersOfEntryExist(folder, entry); | ||
| File entryFile = new File(folder, entry.getName()); | ||
| if (entry.isDirectory()) { | ||
| entryFile.mkdir(); | ||
| } else { | ||
| FileOutputStream fos = null; | ||
| InputStream zipInputStream = null; | ||
| try { | ||
| fos = new FileOutputStream(entryFile); | ||
| zipInputStream = zipFile.getInputStream(entry); | ||
| byte[] buffer = new byte[1024 * 4]; | ||
| int len = -1; | ||
| while ((len = zipInputStream.read(buffer)) != -1) { | ||
| fos.write(buffer, 0, len); | ||
| } | ||
| } finally { | ||
| if (fos != null) { | ||
| fos.close(); | ||
| } | ||
| if (zipInputStream != null) { | ||
| zipInputStream.close(); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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| // Test.zip may or may not contain Test folder. We use zip name to create libraries folder. Therefore, a contained Test folder is useless and must be removed | ||
| ensureOneLevelFolder(folder); | ||
| } | ||
|
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| private void ensureFoldersOfEntryExist(File folder, ZipEntry entry) { | ||
| String[] parts = entry.getName().split("/"); | ||
| File current = folder; | ||
| for (int i = 0; i < parts.length - 1; i++) { | ||
| current = new File(current, parts[i]); | ||
| current.mkdir(); | ||
| } | ||
| } | ||
|
|
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| private void ensureOneLevelFolder(File folder) { | ||
| File[] files = folder.listFiles(); | ||
| if (files.length == 1 && files[0].isDirectory()) { | ||
| File tempFile = new File(files[0].getPath() + new Random().nextInt(1000)); | ||
| files[0].renameTo(tempFile); | ||
| for (File file : tempFile.listFiles()) { | ||
| file.renameTo(new File(folder, file.getName())); | ||
| } | ||
| tempFile.delete(); | ||
| } | ||
| } | ||
|
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| private String tempFolderNameFromZip() { | ||
| String folderName = zipFile.getName(); | ||
| if (folderName.lastIndexOf(".") != -1) { | ||
| folderName = folderName.substring(0, folderName.lastIndexOf(".")); | ||
| } | ||
| if (folderName.lastIndexOf(File.separator) != -1) { | ||
| folderName = folderName.substring(folderName.lastIndexOf(File.separator) + 1); | ||
| } | ||
| return folderName; | ||
| } | ||
|
|
||
| } |
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