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Merge pull request #262 from square/py/logger
Add logger API
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59 changes: 59 additions & 0 deletions
59
leakcanary-android/src/main/java/com/squareup/leakcanary/CanaryLog.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| package com.squareup.leakcanary; | ||
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| import android.util.Log; | ||
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| public final class CanaryLog { | ||
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| private static volatile Logger logger = new DefaultLogger(); | ||
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| public interface Logger { | ||
| void d(String message, Object... args); | ||
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| void d(Throwable throwable, String message, Object... args); | ||
| } | ||
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| private static class DefaultLogger implements Logger { | ||
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| @Override public void d(String message, Object... args) { | ||
| String formatted = String.format(message, args); | ||
| if (formatted.length() < 4000) { | ||
| Log.d("LeakCanary", formatted); | ||
| } else { | ||
| String[] lines = formatted.split("\n"); | ||
| for (String line : lines) { | ||
| Log.d("LeakCanary", line); | ||
| } | ||
| } | ||
| } | ||
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| @Override public void d(Throwable throwable, String message, Object... args) { | ||
| d(String.format(message, args) + '\n' + Log.getStackTraceString(throwable)); | ||
| } | ||
| } | ||
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| public static void setLogger(Logger logger) { | ||
| CanaryLog.logger = logger; | ||
| } | ||
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| public static void d(String message, Object... args) { | ||
| // Local variable to prevent the ref from becoming null after the null check. | ||
| Logger logger = CanaryLog.logger; | ||
| if (logger == null) { | ||
| return; | ||
| } | ||
| logger.d(message, args); | ||
| } | ||
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| public static void d(Throwable throwable, String message, Object... args) { | ||
| // Local variable to prevent the ref from becoming null after the null check. | ||
| Logger logger = CanaryLog.logger; | ||
| if (logger == null) { | ||
| return; | ||
| } | ||
| logger.d(throwable, message, args); | ||
| } | ||
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| private CanaryLog() { | ||
| throw new AssertionError(); | ||
| } | ||
| } |
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