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Use try-with-ressource statements instead of manually closing stream

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AsamK 2016-11-29 11:15:27 +01:00
parent c3bfcff5a8
commit 447a188ff9
1 changed files with 35 additions and 57 deletions
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44
src/main/java/org/asamk/signal/Manager.java
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@ -1223,7 +1223,7 @@ class Manager implements Signal {
private void storeEnvelope(SignalServiceEnvelope envelope, File file) throws IOException {
try (FileOutputStream f = new FileOutputStream(file)) {
DataOutputStream out = new DataOutputStream(f);
try (DataOutputStream out = new DataOutputStream(f)) {
out.writeInt(1); // version
out.writeInt(envelope.getType());
out.writeUTF(envelope.getSource());
@ -1242,7 +1242,7 @@ class Manager implements Signal {
} else {
out.writeInt(0);
}
out.close();
}
}
}
@ -1288,9 +1288,7 @@ class Manager implements Signal {
private File retrieveAttachment(SignalServiceAttachmentStream stream, File outputFile) throws IOException, InvalidMessageException {
InputStream input = stream.getInputStream();
OutputStream output = null;
try {
output = new FileOutputStream(outputFile);
try (OutputStream output = new FileOutputStream(outputFile)) {
byte[] buffer = new byte[4096];
int read;
@ -1300,10 +1298,6 @@ class Manager implements Signal {
} catch (FileNotFoundException e) {
e.printStackTrace();
return null;
} finally {
if (output != null) {
output.close();
}
}
return outputFile;
}
@ -1311,29 +1305,20 @@ class Manager implements Signal {
private File retrieveAttachment(SignalServiceAttachmentPointer pointer, File outputFile, boolean storePreview) throws IOException, InvalidMessageException {
if (storePreview && pointer.getPreview().isPresent()) {
File previewFile = new File(outputFile + ".preview");
OutputStream output = null;
try {
output = new FileOutputStream(previewFile);
try (OutputStream output = new FileOutputStream(previewFile)) {
byte[] preview = pointer.getPreview().get();
output.write(preview, 0, preview.length);
} catch (FileNotFoundException e) {
e.printStackTrace();
return null;
} finally {
if (output != null) {
output.close();
}
}
}
final SignalServiceMessageReceiver messageReceiver = new SignalServiceMessageReceiver(URL, TRUST_STORE, username, password, deviceId, signalingKey, USER_AGENT);
File tmpFile = Util.createTempFile();
InputStream input = messageReceiver.retrieveAttachment(pointer, tmpFile);
OutputStream output = null;
try {
output = new FileOutputStream(outputFile);
try (InputStream input = messageReceiver.retrieveAttachment(pointer, tmpFile)) {
try (OutputStream output = new FileOutputStream(outputFile)) {
byte[] buffer = new byte[4096];
int read;
@ -1343,11 +1328,8 @@ class Manager implements Signal {
} catch (FileNotFoundException e) {
e.printStackTrace();
return null;
} finally {
if (output != null) {
output.close();
}
input.close();
} finally {
try {
Files.delete(tmpFile.toPath());
} catch (IOException e) {
@ -1381,15 +1363,13 @@ class Manager implements Signal {
File groupsFile = Util.createTempFile();
try {
DeviceGroupsOutputStream out = new DeviceGroupsOutputStream(new FileOutputStream(groupsFile));
try {
try (OutputStream fos = new FileOutputStream(groupsFile)) {
DeviceGroupsOutputStream out = new DeviceGroupsOutputStream(fos);
for (GroupInfo record : groupStore.getGroups()) {
out.write(new DeviceGroup(record.groupId, Optional.fromNullable(record.name),
new ArrayList<>(record.members), createGroupAvatarAttachment(record.groupId),
record.active));
}
} finally {
out.close();
}
if (groupsFile.exists() && groupsFile.length() > 0) {
@ -1416,14 +1396,12 @@ class Manager implements Signal {
File contactsFile = Util.createTempFile();
try {
DeviceContactsOutputStream out = new DeviceContactsOutputStream(new FileOutputStream(contactsFile));
try {
try (OutputStream fos = new FileOutputStream(contactsFile)) {
DeviceContactsOutputStream out = new DeviceContactsOutputStream(fos);
for (ContactInfo record : contactStore.getContacts()) {
out.write(new DeviceContact(record.number, Optional.fromNullable(record.name),
createContactAvatarAttachment(record.number), Optional.fromNullable(record.color)));
}
} finally {
out.close();
}
if (contactsFile.exists() && contactsFile.length() > 0) {