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Re-organize classes

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topjohnwu
2017-09-30 03:04:23 +08:00
parent 294ad094c4
commit c92f30b122
26 changed files with 75 additions and 65 deletions
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64
app/src/main/java/com/topjohnwu/magisk/utils/TarEntry.java
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@@ -1,64 +0,0 @@
package com.topjohnwu.magisk.utils;
import org.kamranzafar.jtar.TarHeader;
import java.io.File;
import java.util.Arrays;
public class TarEntry extends org.kamranzafar.jtar.TarEntry {
public TarEntry(File file, String entryName) {
super(file, entryName);
}
/*
* Workaround missing java.nio.file.attribute.PosixFilePermission
* Simply just assign a default permission to the file
* */
@Override
public void extractTarHeader(String entryName) {
int permissions = file.isDirectory() ? 000755 : 000644;
header = TarHeader.createHeader(entryName, file.length(), file.lastModified() / 1000, file.isDirectory(), permissions);
header.userName = new StringBuffer("");
header.groupName = header.userName;
}
/*
* Rewrite the header to GNU format
* */
@Override
public void writeEntryHeader(byte[] outbuf) {
super.writeEntryHeader(outbuf);
System.arraycopy("ustar \0".getBytes(), 0, outbuf, 257, TarHeader.USTAR_MAGICLEN);
getOctalBytes(header.mode, outbuf, 100, TarHeader.MODELEN);
getOctalBytes(header.userId, outbuf, 108, TarHeader.UIDLEN);
getOctalBytes(header.groupId, outbuf, 116, TarHeader.GIDLEN);
getOctalBytes(header.size, outbuf, 124, TarHeader.SIZELEN);
getOctalBytes(header.modTime, outbuf, 136, TarHeader.MODTIMELEN);
Arrays.fill(outbuf, 148, 148 + TarHeader.CHKSUMLEN, (byte) ' ');
Arrays.fill(outbuf, 329, 329 + TarHeader.USTAR_DEVLEN, (byte) '\0');
Arrays.fill(outbuf, 337, 337 + TarHeader.USTAR_DEVLEN, (byte) '\0');
// Recalculate checksum
getOctalBytes(computeCheckSum(outbuf), outbuf, 148, TarHeader.CHKSUMLEN);
}
/*
* Proper octal to ASCII conversion
* */
private void getOctalBytes(long value, byte[] buf, int offset, int length) {
int idx = length - 1;
buf[offset + idx] = 0;
--idx;
for (long val = value; idx >= 0; --idx) {
buf[offset + idx] = (byte) ((byte) '0' + (byte) (val & 7));
val = val >> 3;
}
}
}

43
app/src/main/java/com/topjohnwu/magisk/utils/ValueSortedMap.java
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@@ -1,43 +0,0 @@
package com.topjohnwu.magisk.utils;
import android.support.annotation.NonNull;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class ValueSortedMap<K, V extends Comparable<? super V>> extends HashMap<K, V> {
private List<V> sorted = new ArrayList<>();
@NonNull
@Override
public Collection<V> values() {
if (sorted.isEmpty()) {
sorted.addAll(super.values());
Collections.sort(sorted);
}
return sorted;
}
@Override
public V put(K key, V value) {
sorted.clear();
return super.put(key, value);
}
@Override
public void putAll(Map<? extends K, ? extends V> m) {
sorted.clear();
super.putAll(m);
}
@Override
public V remove(Object key) {
sorted.clear();
return super.remove(key);
}
}