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m-m-m/ui-demo#2: workaround for TeaVM bug
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core/src/main/java/io/github/mmm/scanner/SimpleTextFormatMessageHandler.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,126 +1,141 @@ | ||
| package io.github.mmm.scanner; | ||
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| import java.util.function.Function; | ||
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| import org.slf4j.Logger; | ||
| import org.slf4j.event.Level; | ||
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| import io.github.mmm.base.text.AbstractTextFormatMessageHandler; | ||
| import io.github.mmm.base.text.TextFormatMessage; | ||
| import io.github.mmm.base.text.TextFormatMessageHandler; | ||
| import io.github.mmm.base.text.TextFormatMessageType; | ||
|
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| /** | ||
| * Default implementation of {@link TextFormatMessageHandler}. | ||
| */ | ||
| @SuppressWarnings("exports") | ||
| public class SimpleTextFormatMessageHandler extends AbstractTextFormatMessageHandler { | ||
|
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| /** Maps each {@link TextFormatMessageType} to its analog {@link Level}. */ | ||
| public static final Function<TextFormatMessageType, Level> LOG_MAPPER_DEFAULT = new LogLevelMapper(false); | ||
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| /** | ||
| * Like {@link #LOG_MAPPER_DEFAULT} but maps {@link TextFormatMessageType#INFO info messages} to log-level | ||
| * {@link Level#DEBUG debug}. | ||
| */ | ||
| public static final Function<TextFormatMessageType, Level> LOG_MAPPER_INFO_AS_DEBUG = new LogLevelMapper(true); | ||
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| private static final SimpleTextFormatMessageHandler INSTANCE = new SimpleTextFormatMessageHandler(false, | ||
| AbstractCharStreamScanner.LOG, LOG_MAPPER_INFO_AS_DEBUG, false); | ||
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| private final Logger logger; | ||
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| private final Function<TextFormatMessageType, Level> logLevelMapper; | ||
|
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| /** | ||
| * The constructor. | ||
| * | ||
| * @param throwOnError - {@code true} to throw a {@link RuntimeException} when an {@link TextFormatMessageType#ERROR | ||
| * error} {@link TextFormatMessage message} is {@link #handle(TextFormatMessage) handled}. | ||
| * @param logger the {@link Logger} used to log {@link TextFormatMessage}s. May be {@code null} to omit logging. | ||
| * @param logLevelMapper the {@link Function} to map {@link TextFormatMessageType} to the according log {@link Level}. | ||
| * @param collectMessages the flag for {@link #isCollectMessages()}. | ||
| */ | ||
| public SimpleTextFormatMessageHandler(boolean throwOnError, Logger logger, | ||
| Function<TextFormatMessageType, Level> logLevelMapper, boolean collectMessages) { | ||
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| super(throwOnError, collectMessages); | ||
| this.logger = logger; | ||
| this.logLevelMapper = logLevelMapper; | ||
| } | ||
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| private void log(TextFormatMessage message) { | ||
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| if (this.logger == null) { | ||
| return; | ||
| } | ||
| Level level = this.logLevelMapper.apply(message.getType()); | ||
| if (level != null) { | ||
| this.logger.atLevel(level).log("At line {} in column {}: {}", message.getLine(), message.getColumn(), | ||
| message.getText()); | ||
| } | ||
| } | ||
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| @Override | ||
| public TextFormatMessage handle(TextFormatMessage message) { | ||
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| log(message); | ||
| return super.handle(message); | ||
| } | ||
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| private static final class LogLevelMapper implements Function<TextFormatMessageType, Level> { | ||
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| private final boolean logInfoOnDebug; | ||
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| private LogLevelMapper(boolean logInfoOnDebug) { | ||
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| super(); | ||
| this.logInfoOnDebug = logInfoOnDebug; | ||
| } | ||
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| @Override | ||
| public Level apply(TextFormatMessageType t) { | ||
|
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| switch (t) { | ||
| case ERROR: | ||
| return Level.ERROR; | ||
| case WARNING: | ||
| return Level.WARN; | ||
| case INFO: | ||
| if (this.logInfoOnDebug) { | ||
| return Level.DEBUG; | ||
| } | ||
| return Level.INFO; | ||
| } | ||
| return null; | ||
| } | ||
| } | ||
|
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| /** | ||
| * @return the singleton instance. | ||
| */ | ||
| public static SimpleTextFormatMessageHandler get() { | ||
|
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| return INSTANCE; | ||
| } | ||
|
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| /** | ||
| * @return a {@link SimpleTextFormatMessageHandler} that throws an exception in case of a | ||
| * {@link TextFormatMessageType#ERROR error} {@link TextFormatMessage message} and collects and logs other | ||
| * messages. | ||
| */ | ||
| public static SimpleTextFormatMessageHandler ofThrowErrors() { | ||
|
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| return new SimpleTextFormatMessageHandler(true, AbstractCharStreamScanner.LOG, LOG_MAPPER_INFO_AS_DEBUG, true); | ||
| } | ||
|
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| /** | ||
| * @return a {@link SimpleTextFormatMessageHandler} that throws an exception in case of a | ||
| * {@link TextFormatMessageType#ERROR error} {@link TextFormatMessage message} and collects other messages | ||
| * without any logging. | ||
| */ | ||
| public static SimpleTextFormatMessageHandler ofThrowErrorsNoLogging() { | ||
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| return new SimpleTextFormatMessageHandler(true, null, null, true); | ||
| } | ||
| } | ||
| package io.github.mmm.scanner; | ||
|
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| import java.util.function.Function; | ||
|
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| import org.slf4j.Logger; | ||
| import org.slf4j.event.Level; | ||
|
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| import io.github.mmm.base.text.AbstractTextFormatMessageHandler; | ||
| import io.github.mmm.base.text.TextFormatMessage; | ||
| import io.github.mmm.base.text.TextFormatMessageHandler; | ||
| import io.github.mmm.base.text.TextFormatMessageType; | ||
|
|
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| /** | ||
| * Default implementation of {@link TextFormatMessageHandler}. | ||
| */ | ||
| @SuppressWarnings("exports") | ||
| public class SimpleTextFormatMessageHandler extends AbstractTextFormatMessageHandler { | ||
|
|
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| /** Maps each {@link TextFormatMessageType} to its analog {@link Level}. */ | ||
| public static final Function<TextFormatMessageType, Level> LOG_MAPPER_DEFAULT = new LogLevelMapper(false); | ||
|
|
||
| /** | ||
| * Like {@link #LOG_MAPPER_DEFAULT} but maps {@link TextFormatMessageType#INFO info messages} to log-level | ||
| * {@link Level#DEBUG debug}. | ||
| */ | ||
| public static final Function<TextFormatMessageType, Level> LOG_MAPPER_INFO_AS_DEBUG = new LogLevelMapper(true); | ||
|
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| private static final SimpleTextFormatMessageHandler INSTANCE = new SimpleTextFormatMessageHandler(false, | ||
| AbstractCharStreamScanner.LOG, LOG_MAPPER_INFO_AS_DEBUG, false); | ||
|
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| private final Logger logger; | ||
|
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| private final Function<TextFormatMessageType, Level> logLevelMapper; | ||
|
|
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| /** | ||
| * The constructor. | ||
| * | ||
| * @param throwOnError - {@code true} to throw a {@link RuntimeException} when an {@link TextFormatMessageType#ERROR | ||
| * error} {@link TextFormatMessage message} is {@link #handle(TextFormatMessage) handled}. | ||
| * @param logger the {@link Logger} used to log {@link TextFormatMessage}s. May be {@code null} to omit logging. | ||
| * @param logLevelMapper the {@link Function} to map {@link TextFormatMessageType} to the according log {@link Level}. | ||
| * @param collectMessages the flag for {@link #isCollectMessages()}. | ||
| */ | ||
| public SimpleTextFormatMessageHandler(boolean throwOnError, Logger logger, | ||
| Function<TextFormatMessageType, Level> logLevelMapper, boolean collectMessages) { | ||
|
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| super(throwOnError, collectMessages); | ||
| this.logger = logger; | ||
| this.logLevelMapper = logLevelMapper; | ||
| } | ||
|
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| private void log(TextFormatMessage message) { | ||
|
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| if (this.logger == null) { | ||
| return; | ||
| } | ||
| Level level = this.logLevelMapper.apply(message.getType()); | ||
| if (level != null) { | ||
| String logMsg = "At line {} in column {}: {}"; | ||
| // Workaround for https://github.com/konsoletyper/teavm/issues/918 | ||
| // this.logger.atLevel(level).log(logMsg, message.getLine(), message.getColumn(), message.getText()); | ||
| switch (level) { | ||
| case INFO: | ||
| this.logger.info(logMsg, message.getLine(), message.getColumn(), message.getText()); | ||
| break; | ||
| case WARN: | ||
| this.logger.warn(logMsg, message.getLine(), message.getColumn(), message.getText()); | ||
| break; | ||
| case ERROR: | ||
| this.logger.error(logMsg, message.getLine(), message.getColumn(), message.getText()); | ||
| break; | ||
| default: | ||
| this.logger.warn(logMsg, message.getLine(), message.getColumn(), message.getText()); | ||
| break; | ||
| } | ||
| } | ||
| } | ||
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| @Override | ||
| public TextFormatMessage handle(TextFormatMessage message) { | ||
|
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| log(message); | ||
| return super.handle(message); | ||
| } | ||
|
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| private static final class LogLevelMapper implements Function<TextFormatMessageType, Level> { | ||
|
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| private final boolean logInfoOnDebug; | ||
|
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| private LogLevelMapper(boolean logInfoOnDebug) { | ||
|
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| super(); | ||
| this.logInfoOnDebug = logInfoOnDebug; | ||
| } | ||
|
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| @Override | ||
| public Level apply(TextFormatMessageType t) { | ||
|
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| switch (t) { | ||
| case ERROR: | ||
| return Level.ERROR; | ||
| case WARNING: | ||
| return Level.WARN; | ||
| case INFO: | ||
| if (this.logInfoOnDebug) { | ||
| return Level.DEBUG; | ||
| } | ||
| return Level.INFO; | ||
| } | ||
| return null; | ||
| } | ||
| } | ||
|
|
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| /** | ||
| * @return the singleton instance. | ||
| */ | ||
| public static SimpleTextFormatMessageHandler get() { | ||
|
|
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| return INSTANCE; | ||
| } | ||
|
|
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| /** | ||
| * @return a {@link SimpleTextFormatMessageHandler} that throws an exception in case of a | ||
| * {@link TextFormatMessageType#ERROR error} {@link TextFormatMessage message} and collects and logs other | ||
| * messages. | ||
| */ | ||
| public static SimpleTextFormatMessageHandler ofThrowErrors() { | ||
|
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| return new SimpleTextFormatMessageHandler(true, AbstractCharStreamScanner.LOG, LOG_MAPPER_INFO_AS_DEBUG, true); | ||
| } | ||
|
|
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| /** | ||
| * @return a {@link SimpleTextFormatMessageHandler} that throws an exception in case of a | ||
| * {@link TextFormatMessageType#ERROR error} {@link TextFormatMessage message} and collects other messages | ||
| * without any logging. | ||
| */ | ||
| public static SimpleTextFormatMessageHandler ofThrowErrorsNoLogging() { | ||
|
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| return new SimpleTextFormatMessageHandler(true, null, null, true); | ||
| } | ||
| } |