io.tracee.contextlogger.TraceeContextLogger 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;

import io.tracee.contextlogger.api.ConfigBuilder;
import io.tracee.contextlogger.api.ContextLogger;
import io.tracee.contextlogger.api.TraceeContextStringRepresentationBuilder;
import io.tracee.contextlogger.connector.ConnectorOutputProvider;
import io.tracee.contextlogger.connector.LogConnectorOutputProvider;
import io.tracee.contextlogger.impl.ConfigBuilderImpl;
import io.tracee.contextlogger.impl.ContextLoggerConfiguration;

/**
 * The main context logger class.
 * This class is used to generate context information
 * 
 * Created by Tobias Gindler, holisticon AG on 14.03.14.
 */

public final class TraceeContextLogger extends AbstractToStringBuilder implements LogConnectorOutputProvider {

    private ConnectorFactory connectorsWrapper;

    private String prefix;
    private Class[] excludedTypes;

    private TraceeContextLogger(ContextLoggerConfiguration contextLoggerConfiguration) {
        super(contextLoggerConfiguration);
        initConnectors();
    }

    private TraceeContextLogger(TraceeContextLogger instanceToClone) {
        super(instanceToClone);

        this.connectorsWrapper = instanceToClone.connectorsWrapper;

        this.prefix = instanceToClone.prefix;
        this.excludedTypes = instanceToClone.excludedTypes;

    }

    /**
     * Initializes all available connectors.
     */
    private void initConnectors() {
        connectorsWrapper = new ConnectorFactory();
    }

    public static ConfigBuilder create() {

        TraceeContextLogger contextLoggerInstance = new TraceeContextLogger(ContextLoggerConfiguration.getOrCreateContextLoggerConfiguration());
        return new ConfigBuilderImpl(contextLoggerInstance);

    }

    public static ContextLogger createDefault() {
        return create().apply();
    }

    @Override
    public void log(Object... instancesToLog) {
        this.logWithPrefixedMessage(null, instancesToLog);
    }

    @Override
    public void logWithPrefixedMessage(String prefixedMessage, Object... instancesToLog) {

        this.prefix = prefixedMessage;
        this.objectsToProcess = instancesToLog;

        this.connectorsWrapper.sendErrorReportToConnectors(this);
    }

    @Override
    public ConnectorOutputProvider excludeContextProviders(final Class... contextProvidersToInclude) {

        TraceeContextLogger traceeContextLogger = new TraceeContextLogger(this);
        traceeContextLogger.excludedTypes = contextProvidersToInclude;
        TraceeContextStringRepresentationBuilder traceeContextStringRepresentationBuilder = traceeContextLogBuilder.cloneStringRepresentationBuilder();

        for (Class type : contextProvidersToInclude) {

            if (type != null) {
                traceeContextStringRepresentationBuilder.getManualContextOverrides().put(type.getCanonicalName(), Boolean.FALSE);
            }
        }

        traceeContextLogger.setStringRepresentationBuilder(traceeContextStringRepresentationBuilder);

        return traceeContextLogger;
    }

    @Override
    public String provideOutput() {

        return traceeContextLogBuilder.createStringRepresentation(objectsToProcess);
    }

    @Override
    public String getPrefix() {
        return prefix;
    }

    boolean isInstanceTypeExcluded(Object contextProviderType) {

        if (excludedTypes != null && contextProviderType != null) {

            for (Class type : excludedTypes) {

                if (type.isAssignableFrom(contextProviderType.getClass())) {
                    return true;
                }

            }

        }
        return false;
    }

}