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When using "singleton holder" catch ExceptionInInitializerError and pull out the ConfigException if any

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This commit is contained in:
Havoc Pennington 2011-11-30 09:01:48 -05:00
parent 62628b6404
commit 4896b7d75d
3 changed files with 38 additions and 5 deletions
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7
config/src/main/java/com/typesafe/config/ConfigFactory.java
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@ -11,6 +11,7 @@ import java.util.Map;
import java.util.Properties;
import com.typesafe.config.impl.ConfigImpl;
import com.typesafe.config.impl.ConfigUtil;
import com.typesafe.config.impl.Parseable;
/**
@ -173,7 +174,11 @@ public final class ConfigFactory {
* @return configuration for an application
*/
public static Config load() {
return DefaultConfigHolder.defaultConfig;
try {
return DefaultConfigHolder.defaultConfig;
} catch (ExceptionInInitializerError e) {
throw ConfigUtil.extractInitializerError(e);
}
}
/**

24
config/src/main/java/com/typesafe/config/impl/ConfigImpl.java
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@ -305,7 +305,11 @@ public class ConfigImpl {
}
static ConfigIncluder defaultIncluder() {
return DefaultIncluderHolder.defaultIncluder;
try {
return DefaultIncluderHolder.defaultIncluder;
} catch (ExceptionInInitializerError e) {
throw ConfigUtil.extractInitializerError(e);
}
}
private static AbstractConfigObject loadSystemProperties() {
@ -319,7 +323,11 @@ public class ConfigImpl {
}
static AbstractConfigObject systemPropertiesAsConfigObject() {
return SystemPropertiesHolder.systemProperties;
try {
return SystemPropertiesHolder.systemProperties;
} catch (ExceptionInInitializerError e) {
throw ConfigUtil.extractInitializerError(e);
}
}
/** For use ONLY by library internals, DO NOT TOUCH not guaranteed ABI */
@ -351,7 +359,11 @@ public class ConfigImpl {
}
static AbstractConfigObject envVariablesAsConfigObject() {
return EnvVariablesHolder.envVariables;
try {
return EnvVariablesHolder.envVariables;
} catch (ExceptionInInitializerError e) {
throw ConfigUtil.extractInitializerError(e);
}
}
/** For use ONLY by library internals, DO NOT TOUCH not guaranteed ABI */
@ -369,6 +381,10 @@ public class ConfigImpl {
/** For use ONLY by library internals, DO NOT TOUCH not guaranteed ABI */
public static Config defaultReference() {
return ReferenceHolder.referenceConfig;
try {
return ReferenceHolder.referenceConfig;
} catch (ExceptionInInitializerError e) {
throw ConfigUtil.extractInitializerError(e);
}
}
}

12
config/src/main/java/com/typesafe/config/impl/ConfigUtil.java
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@ -3,6 +3,8 @@
*/
package com.typesafe.config.impl;
import com.typesafe.config.ConfigException;
/** This is public just for the "config" package to use, don't touch it */
final public class ConfigUtil {
@ -118,4 +120,14 @@ final public class ConfigUtil {
}
return s.substring(start, end);
}
/** This is public just for the "config" package to use, don't touch it! */
public static ConfigException extractInitializerError(ExceptionInInitializerError e) {
Throwable cause = e.getCause();
if (cause != null && cause instanceof ConfigException) {
return (ConfigException) cause;
} else {
throw e;
}
}
}