ExceptionResolvers.java

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package pro.verron.officestamper.preset;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import pro.verron.officestamper.api.ExceptionResolver;
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import pro.verron.officestamper.api.Insert;
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import pro.verron.officestamper.api.OfficeStamperException;
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import static pro.verron.officestamper.utils.wml.WmlFactory.newRun;
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/// The ExceptionResolvers class provides a set of static factory methods to create different types of ExceptionResolver
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/// implementations. These resolvers are designed to handle exceptions that occur during the processing of placeholders
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/// in text documents. This class is a utility class and cannot be instantiated.
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public class ExceptionResolvers {
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    private static final Logger logger = LoggerFactory.getLogger(ExceptionResolvers.class);
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    static {
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        if (!logger.isTraceEnabled())
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            logger.info("Set TRACE log level, to add stacktrace info to resolution exceptions");
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    }
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    private ExceptionResolvers() {
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        throw new OfficeStamperException("Utility class");
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    }
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    /// The passing resolver will handle exceptions by returning the placeholder expression. It logs the exception
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    /// message and the stack trace if tracing is enabled.
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    ///
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    /// @return An instance of `ExceptionResolver` that returns the placeholder expression.
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    public static ExceptionResolver passing() {
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        return new PassingResolver(logger.isTraceEnabled(), "${%s}");
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    }
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    /// The defaulting resolver class will handle exceptions by returning an empty string. It logs the exception message
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    /// and the stack trace if tracing is enabled.
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    ///
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    /// @return An instance of `ExceptionResolver` that returns an empty string.
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    public static ExceptionResolver defaulting() {
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        return new DefaultingResolver("", logger.isTraceEnabled());
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    }
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    /// The defaulting resolver class will handle exceptions by returning a default value. It logs the exception message
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    /// and the stack trace if tracing is enabled.
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    ///
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    /// @param value The default value to be returned if an exception occurs.
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    ///
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    /// @return An instance of `ExceptionResolver` that returns a default value.
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    public static ExceptionResolver defaulting(String value) {
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        return new DefaultingResolver(value, logger.isTraceEnabled());
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    }
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    /// The throwing resolver will handle exceptions by immediately throwing an OfficeStamperException. It is used to
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    /// propagate errors encountered during the processing of placeholders in text documents.
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    ///
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    /// @return An instance of `ExceptionResolver` that throws an exception.
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    public static ExceptionResolver throwing() {
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        return new ThrowingResolver(logger.isTraceEnabled());
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    }
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    private record DefaultingResolver(String value, boolean tracing)
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            implements ExceptionResolver {
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        private static final Logger logger = LoggerFactory.getLogger(DefaultingResolver.class);
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        @Override
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        public Insert resolve(String expression, String message, Exception cause) {
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            if (tracing) logger.warn(message, cause);
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            else logger.warn(message);
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            return new Insert(newRun(value));
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        }
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    }
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    private record PassingResolver(boolean tracing, String template)
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            implements ExceptionResolver {
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        @Override
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        public Insert resolve(String expression, String message, Exception cause) {
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            if (tracing) logger.warn(message, cause);
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            else logger.warn(message);
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            return new Insert(newRun(template.formatted(expression)));
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        }
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    }
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    private record ThrowingResolver(boolean tracing)
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            implements ExceptionResolver {
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        @Override
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        public Insert resolve(String expression, String message, Exception cause) {
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            if (tracing) throw new OfficeStamperException(message, cause);
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            else throw new OfficeStamperException(message);
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        }
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    }
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}

Mutations

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1.1
Location : resolve
Killed by : none
replaced return value with null for pro/verron/officestamper/preset/ExceptionResolvers$DefaultingResolver::resolve → TIMED_OUT

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1.1
Location : resolve
Killed by : none
replaced return value with null for pro/verron/officestamper/preset/ExceptionResolvers$PassingResolver::resolve → TIMED_OUT

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1.1
Location : resolve
Killed by : none
negated conditional → SURVIVED
Covering tests

Active mutators

Tests examined


Report generated by PIT 1.22.0