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• LogentriesAppenderFactory.java

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com.github.mtakaki.logentries.LogentriesAppenderFactory Maven / Gradle / Ivy

package com.github.mtakaki.logentries;

import java.util.TimeZone;

import javax.validation.constraints.NotNull;

import com.fasterxml.jackson.annotation.JsonTypeName;
import com.logentries.logback.LogentriesAppender;

import io.dropwizard.logging.AbstractAppenderFactory;
import io.dropwizard.logging.AppenderFactory;

import ch.qos.logback.classic.LoggerContext;
import ch.qos.logback.classic.spi.ILoggingEvent;
import ch.qos.logback.core.Appender;
import ch.qos.logback.core.Layout;
import lombok.Getter;
import lombok.Setter;

/**
 * An {@link AppenderFactory} implementation which provides an appender that
 * writes events to Logentries service. Configuration Parameters:
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Name
Default
Description
{@code threshold}
{@code ALL}
The lowest level of events to write to the file.
{@code token}
REQUIRED
The account token used by logentries to determine the bucket where the
 * log will be stored.
{@code timeZone}
{@code UTC}
The time zone to which event timestamps will be converted.
{@code useDataHub}
{@code false}
Whether or not to use logentries data hub. If this is true, it will use
 * the next parameters.
{@code dataHubAddress}
REQUIRED if {@code useDataHub} is {@code true}.
The data hub address
{@code dataHubPort}
REQUIRED if {@code useDataHub} is {@code true}.
The port for the data hub host.
{@code location}
The location information.
{@code logHostName}
{@code false}
Will determine if the host name should be logged or not.
{@code hostName}
The host name.
{@code useSSL}
{@code false}
If it should SSL when pushing the logs.
{@code logId}
The log id.
{@code httpPut}
Will use HTTP PUT verb, instead of a POST.
 *
 * @see AbstractAppenderFactory
 */
@JsonTypeName("logentries")
@Getter
@Setter
public class LogentriesAppenderFactory extends AbstractAppenderFactory {
    private LogentriesAppender appender;

    @NotNull
    private String token;
    private boolean useSSL;
    @NotNull
    private TimeZone timeZone = TimeZone.getTimeZone("UTC");
    // Datahub specific settings.
    private boolean useDataHub = false;
    private String dataHubAddress;
    private int dataHubPort;
    private String location;
    private boolean logHostName;
    private String hostName;
    private String logId;
    private boolean httpPut;

    @Override
    public Appender build(final LoggerContext context, final String applicationName,
            final Layout layout) {
        this.appender = new LogentriesAppender();
        this.appender.setToken(this.token);
        this.appender.setSsl(this.useSSL);
        this.appender.setContext(context);
        this.appender.setName("logentries");

        if (this.useDataHub) {
            this.appender.setIsUsingDataHub(this.useDataHub);
            this.appender.setDataHubAddr(this.dataHubAddress);
            this.appender.setDataHubPort(this.dataHubPort);
            this.appender.setLocation(this.location);
            this.appender.setLogHostName(this.logHostName);
            this.appender.setHostName(this.hostName);
            this.appender.setLogID(this.logId);
            this.appender.setHttpPut(this.httpPut);
        }

        this.appender.setLayout(layout == null ? this.buildLayout(context, this.timeZone) : layout);
        this.addThresholdFilter(this.appender, this.threshold);
        this.appender.start();

        return this.wrapAsync(this.appender, context);
    }
}