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Perf: use buffered streams for IO #307

Merged
merged 7 commits into from
May 10, 2018
Merged

Perf: use buffered streams for IO #307

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7be488e
perf: use buffered streams for IO
fractalwrench May 1, 2018
986f93d
Merge branch 'master' into use-buffered-streams
fractalwrench May 1, 2018
e00ff45
Merge branch 'master' into use-buffered-streams
fractalwrench May 2, 2018
4969511
refactor: close jsonstream
fractalwrench May 9, 2018
8564c42
Merge branch 'next' into use-buffered-streams
fractalwrench May 9, 2018
0c11014
test: add test to ensure that jsonwriter closes underlying stream
fractalwrench May 10, 2018
7e57e92
style: pass checkstyle import checks
fractalwrench May 10, 2018
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6 changes: 5 additions & 1 deletion sdk/src/main/java/com/bugsnag/android/DefaultHttpClient.java
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Original file line number Diff line number Diff line change
Expand Up @@ -3,11 +3,13 @@
import android.net.ConnectivityManager;
import android.net.NetworkInfo;

import java.io.BufferedWriter;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.URL;
import java.nio.charset.Charset;
import java.util.Map;

class DefaultHttpClient implements ErrorReportApiClient, SessionTrackingApiClient {
Expand Down Expand Up @@ -69,7 +71,9 @@ private int makeRequest(String urlString,

try {
out = conn.getOutputStream();
JsonStream stream = new JsonStream(new OutputStreamWriter(out));
Charset charset = Charset.forName("UTF-8");
BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(out, charset));
JsonStream stream = new JsonStream(writer);
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do any of these other objects need to be closed?

streamable.toStream(stream);
stream.close();
} finally {
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6 changes: 5 additions & 1 deletion sdk/src/main/java/com/bugsnag/android/FileStore.java
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Expand Up @@ -4,8 +4,11 @@
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.util.ArrayList;
import java.util.Arrays;
Expand Down Expand Up @@ -69,7 +72,8 @@ String write(@NonNull T streamable) {

Writer out = null;
try {
out = new FileWriter(filename);
FileOutputStream fos = new FileOutputStream(filename);
out = new BufferedWriter(new OutputStreamWriter(fos, "UTF-8"));
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do any of these objects also need closing?

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Addressed by other inline comment on JsonStream


JsonStream stream = new JsonStream(out);
stream.value(streamable);
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not related to this PR but should we be closing this stream on the next line in the finally block?

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Yes, that would make more sense than closing two separate streams. I've updated the PR so that we do this.

Expand Down
10 changes: 7 additions & 3 deletions sdk/src/main/java/com/bugsnag/android/JsonStream.java
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Expand Up @@ -3,9 +3,12 @@
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.Reader;
import java.io.Writer;

public class JsonStream extends JsonWriter {
Expand Down Expand Up @@ -53,9 +56,10 @@ public void value(@NonNull File file) throws IOException {
beforeValue(false); // add comma if in array

// Copy the file contents onto the stream
FileReader input = null;
Reader input = null;
try {
input = new FileReader(file);
FileInputStream fis = new FileInputStream(file);
input = new BufferedReader(new InputStreamReader(fis, "UTF-8"));
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do any of these objects also need closing?

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I believe calling BufferedReader#close also closes the InputStreamReader, which in turn closes the FileInputStream, which means that everything is automatically closed.

IOUtils.copy(input, out);
} finally {
IOUtils.closeQuietly(input);
Expand Down