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Update Google Analytics to use GA4, fix #302
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93 changes: 93 additions & 0 deletions
93
.../src/main/java/com/speedment/jpastreamer/analytics/standard/internal/google/HttpUtil.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| package com.speedment.jpastreamer.analytics.standard.internal.google; | ||
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| import java.io.*; | ||
| import java.net.HttpURLConnection; | ||
| import java.net.URL; | ||
| import java.net.URLEncoder; | ||
| import java.nio.charset.StandardCharsets; | ||
| import java.util.concurrent.Executor; | ||
| import java.util.concurrent.Executors; | ||
| import static java.util.Objects.requireNonNull; | ||
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| final class HttpUtil { | ||
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| private static final int DEFAULT_TIME_OUT_MS = 2_000; | ||
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| private static final String THREAD_NAME = "chronicle~analytics~http~client"; | ||
| private static final Executor EXECUTOR = Executors.newSingleThreadExecutor(runnable -> { | ||
| final Thread thread = new Thread(runnable, THREAD_NAME); | ||
| thread.setDaemon(true); | ||
| return thread; | ||
| }); | ||
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| private HttpUtil() { | ||
| } | ||
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| public static void send(final String urlString, | ||
| final String body) { | ||
| requireNonNull(urlString); | ||
| requireNonNull(body); | ||
| EXECUTOR.execute(new Sender(urlString, body)); | ||
| } | ||
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| static String urlEncode(final String s) { | ||
| requireNonNull(s); | ||
| try { | ||
| return URLEncoder.encode(s, StandardCharsets.UTF_8.toString()); | ||
| } catch (UnsupportedEncodingException e) { | ||
| System.err.println("Exception while URL encoding statistics for Google Analytics."); | ||
| e.printStackTrace(); | ||
| throw new InternalAnalyticsException("This should never happen as " + StandardCharsets.UTF_8 + " should always be present."); | ||
| } | ||
| } | ||
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| static final class Sender implements Runnable { | ||
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| private final String urlString; | ||
| private final String body; | ||
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| Sender(final String urlString, | ||
| final String body) { | ||
| requireNonNull(urlString); | ||
| requireNonNull(body); | ||
| this.urlString = urlString; | ||
| this.body = body; | ||
| } | ||
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| @Override | ||
| public void run() { | ||
| try { | ||
| final URL url = new URL(urlString); | ||
| final HttpURLConnection conn = (HttpURLConnection) url.openConnection(); | ||
| // Do not linger if the connection is slow. Give up instead! | ||
| conn.setConnectTimeout(DEFAULT_TIME_OUT_MS); | ||
| conn.setReadTimeout(DEFAULT_TIME_OUT_MS); | ||
| conn.setRequestMethod("POST"); | ||
| conn.setRequestProperty("Content-Type", "text/plain; charset=UTF-8"); | ||
| conn.setRequestProperty("t", "application/json"); | ||
| conn.setDoOutput(true); | ||
| try (OutputStream os = conn.getOutputStream()) { | ||
| final byte[] output = body.getBytes(StandardCharsets.UTF_8); | ||
| os.write(output, 0, output.length); | ||
| os.flush(); | ||
| } | ||
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| try (BufferedReader br = new BufferedReader(new InputStreamReader(conn.getInputStream(), StandardCharsets.UTF_8))) { | ||
| final StringBuilder response = new StringBuilder(); | ||
| String sep = ""; | ||
| for (String responseLine; (responseLine = br.readLine()) != null; ) { | ||
| response.append(sep).append(responseLine); // preserve some white space | ||
| sep = " "; | ||
| } | ||
| final String logMsg = response.toString().replaceAll("\\s+(?=\\S)", " "); | ||
| if (!logMsg.isEmpty()) | ||
| System.out.println(logMsg); | ||
| } | ||
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| } catch (IOException ioe) { | ||
| System.err.println("Exception while sending usage statistics to Google Analytics."); | ||
| ioe.printStackTrace(); | ||
| } | ||
| } | ||
| } | ||
| } |
9 changes: 9 additions & 0 deletions
9
.../speedment/jpastreamer/analytics/standard/internal/google/InternalAnalyticsException.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| package com.speedment.jpastreamer.analytics.standard.internal.google; | ||
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| final class InternalAnalyticsException extends RuntimeException { | ||
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| InternalAnalyticsException(String message) { | ||
| super(message); | ||
| } | ||
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| } |
38 changes: 38 additions & 0 deletions
38
.../src/main/java/com/speedment/jpastreamer/analytics/standard/internal/google/JsonUtil.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| package com.speedment.jpastreamer.analytics.standard.internal.google; | ||
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| final class JsonUtil { | ||
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| private static final String NL = String.format("%n"); | ||
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| private JsonUtil() { | ||
| } | ||
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| static String jsonElement(final String indent, | ||
| final String key, | ||
| final Object value) { | ||
| return indent + asElement(key) + ": " + asElement(value); | ||
| } | ||
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| static String asElement(final Object value) { | ||
| return value instanceof CharSequence | ||
| ? '"' + escape(value.toString()) + '"' | ||
| : value.toString(); | ||
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| } | ||
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| static String escape(final String raw) { | ||
| return raw | ||
| .replace("\\", "\\\\") | ||
| .replace("\"", "\\\"") | ||
| .replace("\b", "\\b") | ||
| .replace("\f", "\\f") | ||
| .replace("\n", "\\n") | ||
| .replace("\r", "\\r") | ||
| .replace("\t", "\\t"); | ||
| // Todo: escape other non-printing characters ... | ||
| } | ||
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| static String nl() { | ||
| return NL; | ||
| } | ||
| } |