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Use try-with-resources.

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This commit is contained in:
Isira Seneviratne 2020-11-06 06:16:13 +05:30
parent 8bcf0c6498
commit 95333d37c8
8 changed files with 84 additions and 137 deletions
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33
app/src/main/java/org/schabi/newpipe/util/StateSaver.java
View file

@ -34,7 +34,6 @@ import org.schabi.newpipe.MainActivity;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.LinkedList;
@ -106,7 +105,6 @@ public final class StateSaver {
+ "writeRead = [" + writeRead + "]");
}
FileInputStream fileInputStream = null;
try {
Queue<Object> savedObjects
= STATE_OBJECTS_HOLDER.remove(savedState.getPrefixFileSaved());
@ -127,10 +125,12 @@ public final class StateSaver {
return null;
}
fileInputStream = new FileInputStream(file);
final ObjectInputStream inputStream = new ObjectInputStream(fileInputStream);
//noinspection unchecked
savedObjects = (Queue<Object>) inputStream.readObject();
try (FileInputStream fileInputStream = new FileInputStream(file);
ObjectInputStream inputStream = new ObjectInputStream(fileInputStream)) {
//noinspection unchecked
savedObjects = (Queue<Object>) inputStream.readObject();
}
if (savedObjects != null) {
writeRead.readFrom(savedObjects);
}
@ -138,13 +138,6 @@ public final class StateSaver {
return savedState;
} catch (final Exception e) {
Log.e(TAG, "Failed to restore state", e);
} finally {
if (fileInputStream != null) {
try {
fileInputStream.close();
} catch (final IOException ignored) {
}
}
}
return null;
}
@ -227,7 +220,6 @@ public final class StateSaver {
}
}
FileOutputStream fileOutputStream = null;
try {
File cacheDir = new File(cacheDirPath);
if (!cacheDir.exists()) {
@ -258,19 +250,14 @@ public final class StateSaver {
}
}
fileOutputStream = new FileOutputStream(file);
final ObjectOutputStream outputStream = new ObjectOutputStream(fileOutputStream);
outputStream.writeObject(savedObjects);
try (FileOutputStream fileOutputStream = new FileOutputStream(file);
ObjectOutputStream outputStream = new ObjectOutputStream(fileOutputStream)) {
outputStream.writeObject(savedObjects);
}
return new SavedState(prefixFileName, file.getAbsolutePath());
} catch (final Exception e) {
Log.e(TAG, "Failed to save state", e);
} finally {
if (fileOutputStream != null) {
try {
fileOutputStream.close();
} catch (final IOException ignored) { }
}
}
return null;
}

64
app/src/main/java/org/schabi/newpipe/util/ZipHelper.java
View file

@ -45,15 +45,15 @@ public final class ZipHelper {
public static void addFileToZip(final ZipOutputStream outZip, final String file,
final String name) throws Exception {
final byte[] data = new byte[BUFFER_SIZE];
final FileInputStream fi = new FileInputStream(file);
final BufferedInputStream inputStream = new BufferedInputStream(fi, BUFFER_SIZE);
final ZipEntry entry = new ZipEntry(name);
outZip.putNextEntry(entry);
int count;
while ((count = inputStream.read(data, 0, BUFFER_SIZE)) != -1) {
outZip.write(data, 0, count);
try (FileInputStream fi = new FileInputStream(file);
BufferedInputStream inputStream = new BufferedInputStream(fi, BUFFER_SIZE)) {
final ZipEntry entry = new ZipEntry(name);
outZip.putNextEntry(entry);
int count;
while ((count = inputStream.read(data, 0, BUFFER_SIZE)) != -1) {
outZip.write(data, 0, count);
}
}
inputStream.close();
}
/**
@ -68,37 +68,35 @@ public final class ZipHelper {
*/
public static boolean extractFileFromZip(final String filePath, final String file,
final String name) throws Exception {
try (ZipInputStream inZip = new ZipInputStream(new BufferedInputStream(
new FileInputStream(filePath)))) {
final byte[] data = new byte[BUFFER_SIZE];
final ZipInputStream inZip = new ZipInputStream(
new BufferedInputStream(
new FileInputStream(filePath)));
boolean found = false;
final byte[] data = new byte[BUFFER_SIZE];
boolean found = false;
ZipEntry ze;
while ((ze = inZip.getNextEntry()) != null) {
if (ze.getName().equals(name)) {
found = true;
// delete old file first
final File oldFile = new File(file);
if (oldFile.exists()) {
if (!oldFile.delete()) {
throw new Exception("Could not delete " + file);
ZipEntry ze;
while ((ze = inZip.getNextEntry()) != null) {
if (ze.getName().equals(name)) {
found = true;
// delete old file first
final File oldFile = new File(file);
if (oldFile.exists()) {
if (!oldFile.delete()) {
throw new Exception("Could not delete " + file);
}
}
}
final FileOutputStream outFile = new FileOutputStream(file);
int count = 0;
while ((count = inZip.read(data)) != -1) {
outFile.write(data, 0, count);
}
try (FileOutputStream outFile = new FileOutputStream(file)) {
int count = 0;
while ((count = inZip.read(data)) != -1) {
outFile.write(data, 0, count);
}
}
outFile.close();
inZip.closeEntry();
inZip.closeEntry();
}
}
return found;
}
return found;
}
}