io.tracee.contextlogger.contextprovider.java.JavaThrowableContextProvider Maven / Gradle / Ivy

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Please refer to https://github.com/tracee/contextlogger.

There is a newer version: 0.11.0

package io.tracee.contextlogger.contextprovider.java;

import java.io.PrintWriter;
import java.io.StringWriter;

import io.tracee.contextlogger.contextprovider.Order;
import io.tracee.contextlogger.contextprovider.api.TraceeContextProvider;
import io.tracee.contextlogger.contextprovider.api.TraceeContextProviderMethod;
import io.tracee.contextlogger.contextprovider.api.WrappedContextData;

/**
 * Provides context information about thrown exceptions.
 * Created by Tobias Gindler, holisticon AG on 17.03.14.
 */
@SuppressWarnings("unused")
@TraceeContextProvider(displayName = "throwable", order = Order.EXCEPTION)
public final class JavaThrowableContextProvider implements WrappedContextData {

    private Throwable throwable;

    @SuppressWarnings("unused")
    public JavaThrowableContextProvider() {
    }

    @SuppressWarnings("unused")
    public JavaThrowableContextProvider(final Throwable throwable) {
        this.throwable = throwable;
    }

    @Override
    public void setContextData(Object instance) throws ClassCastException {
        this.throwable = (Throwable)instance;
    }

    @Override
    public Throwable getContextData() {
        return this.throwable;
    }

    public Class getWrappedType() {
        return Throwable.class;
    }

    @SuppressWarnings("unused")
    @TraceeContextProviderMethod(displayName = "message", order = 10)
    public String getMessage() {
        return throwable != null ? throwable.getMessage() : null;
    }

    @SuppressWarnings("unused")
    @TraceeContextProviderMethod(displayName = "stacktrace", order = 20)
    public String getStacktrace() {
        if (this.throwable != null) {
            StringWriter sw = new StringWriter();
            throwable.printStackTrace(new PrintWriter(sw));
            return sw.toString();
        }
        else {
            return null;
        }
    }

}