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Code Issues Releases Wiki Activity

Use try-with-resources in places where it looked safe

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This commit is contained in:
Albert Vaca 2018-10-30 12:30:21 +01:00
parent b54b69032f
commit a9ab77471e
5 changed files with 128 additions and 185 deletions
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205
src/org/kde/kdeconnect/Helpers/ContactsHelper.java
View File

@ -57,49 +57,31 @@ public class ContactsHelper {
@TargetApi(Build.VERSION_CODES.HONEYCOMB)
public static Map<String, String> phoneNumberLookup(Context context, String number) {
//Log.e("PhoneNumberLookup", number);
Map<String, String> contactInfo = new HashMap<>();
Uri uri = Uri.withAppendedPath(PhoneLookup.CONTENT_FILTER_URI, Uri.encode(number));
Cursor cursor;
try {
cursor = context.getContentResolver().query(
uri,
new String[]{
PhoneLookup.DISPLAY_NAME,
ContactsContract.PhoneLookup.PHOTO_URI
/*, PhoneLookup.TYPE
, PhoneLookup.LABEL
, PhoneLookup.ID */
},
null, null, null);
} catch (Exception e) {
return contactInfo;
String[] columns = new String[]{
PhoneLookup.DISPLAY_NAME,
PhoneLookup.PHOTO_URI
/*, PhoneLookup.TYPE
, PhoneLookup.LABEL
, PhoneLookup.ID */
};
try (Cursor cursor = context.getContentResolver().query(uri, columns,null, null, null)) {
// Take the first match only
if (cursor != null && cursor.moveToFirst()) {
int nameIndex = cursor.getColumnIndex(PhoneLookup.DISPLAY_NAME);
if (nameIndex != -1) {
contactInfo.put("name", cursor.getString(nameIndex));
}
nameIndex = cursor.getColumnIndex(PhoneLookup.PHOTO_URI);
if (nameIndex != -1) {
contactInfo.put("photoID", cursor.getString(nameIndex));
}
}
} catch (Exception ignored) {
}
// Take the first match only
if (cursor != null && cursor.moveToFirst()) {
int nameIndex = cursor.getColumnIndex(PhoneLookup.DISPLAY_NAME);
if (nameIndex != -1) {
contactInfo.put("name", cursor.getString(nameIndex));
}
nameIndex = cursor.getColumnIndex(PhoneLookup.PHOTO_URI);
if (nameIndex != -1) {
contactInfo.put("photoID", cursor.getString(nameIndex));
}
try {
cursor.close();
} catch (Exception ignored) {
}
if (!contactInfo.isEmpty()) {
return contactInfo;
}
}
return contactInfo;
}
@ -157,34 +139,28 @@ public class ContactsHelper {
ArrayList<uID> toReturn = new ArrayList<>();
// Define the columns we want to read from the Contacts database
final String[] projection = new String[]{
final String[] columns = new String[]{
ContactsContract.Contacts.LOOKUP_KEY
};
Uri contactsUri = ContactsContract.Contacts.CONTENT_URI;
Cursor contactsCursor = context.getContentResolver().query(
contactsUri,
projection,
null, null, null);
if (contactsCursor != null && contactsCursor.moveToFirst()) {
do {
uID contactID;
try (Cursor contactsCursor = context.getContentResolver().query(contactsUri, columns, null, null, null)) {
if (contactsCursor != null && contactsCursor.moveToFirst()) {
do {
uID contactID;
int idIndex = contactsCursor.getColumnIndex(ContactsContract.Contacts.LOOKUP_KEY);
if (idIndex != -1) {
contactID = new uID(contactsCursor.getString(idIndex));
} else {
// Something went wrong with this contact
// If you are experiencing this, please open a bug report indicating how you got here
Log.e("ContactsHelper", "Got a contact which does not have a LOOKUP_KEY");
continue;
}
int idIndex = contactsCursor.getColumnIndex(ContactsContract.Contacts.LOOKUP_KEY);
if (idIndex != -1) {
contactID = new uID(contactsCursor.getString(idIndex));
} else {
// Something went wrong with this contact
// If you are experiencing this, please open a bug report indicating how you got here
Log.e("ContactsHelper", "Got a contact which does not have a LOOKUP_KEY");
continue;
}
toReturn.add(contactID);
} while (contactsCursor.moveToNext());
try {
contactsCursor.close();
} catch (Exception ignored) {
toReturn.add(contactID);
} while (contactsCursor.moveToNext());
}
}
@ -221,14 +197,11 @@ public class ContactsHelper {
ContactsContract.Contacts.CONTENT_MULTI_VCARD_URI,
Uri.encode(keys.toString()));
InputStream input;
;
StringBuilder vcardJumble = new StringBuilder();
try {
input = context.getContentResolver().openInputStream(vcardURI);
try (InputStream input = context.getContentResolver().openInputStream(vcardURI)) {
BufferedReader bufferedInput = new BufferedReader(new InputStreamReader(input));
String line;
while ((line = bufferedInput.readLine()) != null) {
vcardJumble.append(line).append('\n');
}
@ -263,9 +236,8 @@ public class ContactsHelper {
for (uID ID : IDs) {
String lookupKey = ID.toString();
Uri vcardURI = Uri.withAppendedPath(ContactsContract.Contacts.CONTENT_VCARD_URI, lookupKey);
InputStream input;
try {
input = context.getContentResolver().openInputStream(vcardURI);
try (InputStream input = context.getContentResolver().openInputStream(vcardURI)) {
if (input == null)
{
@ -281,13 +253,10 @@ public class ContactsHelper {
}
toReturn.put(ID, new VCardBuilder(vcard.toString()));
input.close();
} catch (IOException e) {
// If you are experiencing this, please open a bug report indicating how you got here
e.printStackTrace();
continue;
} catch (NullPointerException e)
{
} catch (NullPointerException e) {
// If you are experiencing this, please open a bug report indicating how you got here
e.printStackTrace();
}
@ -345,63 +314,59 @@ public class ContactsHelper {
contactsArgs.add(ID.toString());
}
Cursor contactsCursor = context.getContentResolver().query(
try (Cursor contactsCursor = context.getContentResolver().query(
contactsUri,
lookupProjection.toArray(new String[0]),
contactsSelection.toString(),
contactsArgs.toArray(new String[0]), null
);
contactsArgs.toArray(new String[0]),
null
)) {
if (contactsCursor != null && contactsCursor.moveToFirst()) {
do {
Map<String, Object> requestedData = new HashMap<>();
if (contactsCursor != null && contactsCursor.moveToFirst()) {
do {
Map<String, Object> requestedData = new HashMap<>();
int lookupKeyIdx = contactsCursor.getColumnIndexOrThrow(uID.COLUMN);
String lookupKey = contactsCursor.getString(lookupKeyIdx);
int lookupKeyIdx = contactsCursor.getColumnIndexOrThrow(uID.COLUMN);
String lookupKey = contactsCursor.getString(lookupKeyIdx);
// For each column, collect the data from that column
for (String column : contactsProjection) {
int index = contactsCursor.getColumnIndex(column);
// Since we might be getting various kinds of data, Object is the best we can do
Object data;
int type;
if (index == -1) {
// This contact didn't have the requested column? Something is very wrong.
// If you are experiencing this, please open a bug report indicating how you got here
Log.e("ContactsHelper", "Got a contact which does not have a requested column");
continue;
}
type = contactsCursor.getType(index);
switch (type) {
case Cursor.FIELD_TYPE_INTEGER:
data = contactsCursor.getInt(index);
break;
case Cursor.FIELD_TYPE_FLOAT:
data = contactsCursor.getFloat(index);
break;
case Cursor.FIELD_TYPE_STRING:
data = contactsCursor.getString(index);
break;
case Cursor.FIELD_TYPE_BLOB:
data = contactsCursor.getBlob(index);
break;
default:
Log.e("ContactsHelper", "Got an undefined type of column " + column);
// For each column, collect the data from that column
for (String column : contactsProjection) {
int index = contactsCursor.getColumnIndex(column);
// Since we might be getting various kinds of data, Object is the best we can do
Object data;
int type;
if (index == -1) {
// This contact didn't have the requested column? Something is very wrong.
// If you are experiencing this, please open a bug report indicating how you got here
Log.e("ContactsHelper", "Got a contact which does not have a requested column");
continue;
}
type = contactsCursor.getType(index);
switch (type) {
case Cursor.FIELD_TYPE_INTEGER:
data = contactsCursor.getInt(index);
break;
case Cursor.FIELD_TYPE_FLOAT:
data = contactsCursor.getFloat(index);
break;
case Cursor.FIELD_TYPE_STRING:
data = contactsCursor.getString(index);
break;
case Cursor.FIELD_TYPE_BLOB:
data = contactsCursor.getBlob(index);
break;
default:
Log.e("ContactsHelper", "Got an undefined type of column " + column);
continue;
}
requestedData.put(column, data);
}
requestedData.put(column, data);
}
toReturn.put(new uID(lookupKey), requestedData);
} while (contactsCursor.moveToNext());
try {
contactsCursor.close();
} catch (Exception ignored) {
toReturn.put(new uID(lookupKey), requestedData);
} while (contactsCursor.moveToNext());
}
}
return toReturn;
}

74
src/org/kde/kdeconnect/Helpers/SMSHelper.java
View File

@ -124,29 +124,26 @@ public class SMSHelper {
Uri smsUri = getSMSUri();
Cursor smsCursor = context.getContentResolver().query(
try (Cursor smsCursor = context.getContentResolver().query(
smsUri,
Message.smsColumns,
selection,
selectionArgs,
null);
if (smsCursor != null && smsCursor.moveToFirst()) {
do {
HashMap<String, String> messageInfo = new HashMap<>();
for (int columnIdx = 0; columnIdx < smsCursor.getColumnCount(); columnIdx++) {
String colName = smsCursor.getColumnName(columnIdx);
String body = smsCursor.getString(columnIdx);
messageInfo.put(colName, body);
}
toReturn.add(new Message(messageInfo));
} while (smsCursor.moveToNext());
} else {
// No SMSes available?
}
if (smsCursor != null) {
smsCursor.close();
null)
) {
if (smsCursor != null && smsCursor.moveToFirst()) {
do {
HashMap<String, String> messageInfo = new HashMap<>();
for (int columnIdx = 0; columnIdx < smsCursor.getColumnCount(); columnIdx++) {
String colName = smsCursor.getColumnName(columnIdx);
String body = smsCursor.getString(columnIdx);
messageInfo.put(colName, body);
}
toReturn.add(new Message(messageInfo));
} while (smsCursor.moveToNext());
} else {
// No SMSes available?
}
}
return toReturn;
@ -164,32 +161,29 @@ public class SMSHelper {
Uri conversationUri = getConversationUri();
Cursor conversationsCursor = context.getContentResolver().query(
try (Cursor conversationsCursor = context.getContentResolver().query(
conversationUri,
Message.smsColumns,
null,
null,
null);
null)
) {
if (conversationsCursor != null && conversationsCursor.moveToFirst()) {
int threadColumn = conversationsCursor.getColumnIndexOrThrow(ThreadID.lookupColumn);
do {
int thread = conversationsCursor.getInt(threadColumn);
if (conversationsCursor != null && conversationsCursor.moveToFirst()) {
int threadColumn = conversationsCursor.getColumnIndexOrThrow(ThreadID.lookupColumn);
do {
int thread = conversationsCursor.getInt(threadColumn);
HashMap<String, String> messageInfo = new HashMap<>();
for (int columnIdx = 0; columnIdx < conversationsCursor.getColumnCount(); columnIdx++) {
String colName = conversationsCursor.getColumnName(columnIdx);
String body = conversationsCursor.getString(columnIdx);
messageInfo.put(colName, body);
}
toReturn.put(new ThreadID(thread), new Message(messageInfo));
} while (conversationsCursor.moveToNext());
} else {
// No conversations available?
}
if (conversationsCursor != null) {
conversationsCursor.close();
HashMap<String, String> messageInfo = new HashMap<>();
for (int columnIdx = 0; columnIdx < conversationsCursor.getColumnCount(); columnIdx++) {
String colName = conversationsCursor.getColumnName(columnIdx);
String body = conversationsCursor.getString(columnIdx);
messageInfo.put(colName, body);
}
toReturn.put(new ThreadID(thread), new Message(messageInfo));
} while (conversationsCursor.moveToNext());
} else {
// No conversations available?
}
}
return toReturn;

16
src/org/kde/kdeconnect/Helpers/StorageHelper.java
View File

@ -80,11 +80,8 @@ public class StorageHelper {
File storage = new File("/storage/");
if (storage.exists() && storage.isDirectory()) {
String mounts = null;
try {
Scanner scanner = new Scanner(new File("/proc/mounts"));
try (Scanner scanner = new Scanner(new File("/proc/mounts"))) {
mounts = scanner.useDelimiter("\\A").next();
scanner.close();
//Log.e("Mounts",mounts);
} catch (Exception e) {
e.printStackTrace();
}
@ -116,9 +113,7 @@ public class StorageHelper {
//Legacy code for Android < 4.0 that still didn't have /storage
ArrayList<String> entries = new ArrayList<>();
BufferedReader buf_reader = null;
try {
buf_reader = new BufferedReader(new FileReader("/proc/mounts"));
try (BufferedReader buf_reader = new BufferedReader(new FileReader("/proc/mounts"))){
String entry;
while ((entry = buf_reader.readLine()) != null) {
//Log.e("getStorageList", entry);
@ -129,13 +124,6 @@ public class StorageHelper {
}
} catch (Exception e) {
e.printStackTrace();
} finally {
if (buf_reader != null) {
try {
buf_reader.close();
} catch (IOException ex) {
}
}
}
for (String line : entries) {

10
src/org/kde/kdeconnect/Plugins/NotificationsPlugin/AppDatabase.java
View File

@ -82,8 +82,7 @@ class AppDatabase {
void setEnabled(String packageName, boolean isEnabled) {
String[] columns = new String[]{KEY_IS_ENABLED};
Cursor res = ourDatabase.query(DATABASE_TABLE, columns, KEY_PACKAGE_NAME + " =? ", new String[]{packageName}, null, null, null);
try {
try (Cursor res = ourDatabase.query(DATABASE_TABLE, columns, KEY_PACKAGE_NAME + " =? ", new String[]{packageName}, null, null, null)) {
ContentValues cv = new ContentValues();
cv.put(KEY_IS_ENABLED, isEnabled ? "true" : "false");
if (res.getCount() > 0) {
@ -92,8 +91,6 @@ class AppDatabase {
cv.put(KEY_PACKAGE_NAME, packageName);
ourDatabase.insert(DATABASE_TABLE, null, cv);
}
} finally {
res.close();
}
}
@ -103,8 +100,7 @@ class AppDatabase {
boolean isEnabled(String packageName) {
String[] columns = new String[]{KEY_IS_ENABLED};
Cursor res = ourDatabase.query(DATABASE_TABLE, columns, KEY_PACKAGE_NAME + " =? ", new String[]{packageName}, null, null, null);
try {
try (Cursor res = ourDatabase.query(DATABASE_TABLE, columns, KEY_PACKAGE_NAME + " =? ", new String[]{packageName}, null, null, null)) {
boolean result;
if (res.getCount() > 0) {
res.moveToFirst();
@ -113,8 +109,6 @@ class AppDatabase {
result = getDefaultStatus(packageName);
}
return result;
} finally {
res.close();
}
}

8
src/org/kde/kdeconnect/Plugins/SharePlugin/ShareNotification.java
View File

@ -40,6 +40,8 @@ import org.kde.kdeconnect_tp.R;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
class ShareNotification {
@ -104,14 +106,14 @@ class ShareNotification {
//If it's an image, try to show it in the notification
if (mimeType.startsWith("image/")) {
try {
Bitmap image = BitmapFactory.decodeStream(device.getContext().getContentResolver().openInputStream(destinationUri));
try (InputStream inputStream = device.getContext().getContentResolver().openInputStream(destinationUri)) {
Bitmap image = BitmapFactory.decodeStream(inputStream);
if (image != null) {
builder.setLargeIcon(image);
builder.setStyle(new NotificationCompat.BigPictureStyle()
.bigPicture(image));
}
} catch (FileNotFoundException ignored) {
} catch (IOException ignored) {
}
}
if (!"file".equals(destinationUri.getScheme())) {