Package net.shibboleth.idp.metrics.impl

Class HTTPReporter

java.lang.Object

com.codahale.metrics.ScheduledReporter

net.shibboleth.idp.metrics.impl.HTTPReporter

All Implemented Interfaces:

com.codahale.metrics.Reporter, Closeable, AutoCloseable, Component, InitializableComponent

public class HTTPReporter
extends com.codahale.metrics.ScheduledReporter
implements InitializableComponent

A metrics reporter that runs at scheduled times and posts a JSON feed of metrics to a designated endpoint.

Field Summary

Fields

Modifier and Type	Field	Description
private String	collectorURL	URL to the collection point.
private String	dateTimeFormat	Formatting string for DateFormat fields.
static final String	DEFAULT_DT_FORMAT	Default date/time format string.
private final TimeUnit	durationUnit	Duration unit.
private org.apache.http.client.HttpClient	httpClient	HTTP Client used to post the data.
private HttpClientSecurityParameters	httpClientSecurityParameters	HTTP client security parameters.
private boolean	isInitialized	Whether this component has been initialized.
private com.fasterxml.jackson.databind.ObjectMapper	jsonMapper	JSON object mapper to produce output.
private final org.slf4j.Logger	log	Class logger.
private final com.codahale.metrics.MetricFilter	metricFilter	Filter to apply.
private final com.codahale.metrics.MetricRegistry	metricRegistry	Registry of metrics.
private final TimeUnit	rateUnit	Rate unit.

Constructor Summary

Constructors

Constructor	Description
HTTPReporter(com.codahale.metrics.MetricRegistry registry, String name, com.codahale.metrics.MetricFilter filter)	Constructor.
HTTPReporter(com.codahale.metrics.MetricRegistry registry, String name, com.codahale.metrics.MetricFilter filter, TimeUnit rUnit, TimeUnit dUnit)	Constructor.
HTTPReporter(com.codahale.metrics.MetricRegistry registry, String name, com.codahale.metrics.MetricFilter filter, TimeUnit rUnit, TimeUnit dUnit, ScheduledExecutorService executor)	Constructor.

Method Summary

Modifier and Type	Method	Description
private org.apache.http.client.protocol.HttpClientContext	buildHttpContext(org.apache.http.client.methods.HttpUriRequest request)	Build the HttpClientContext instance to be used by the HttpClient.
void	initialize()
boolean	isInitialized()
void	report()
void	report(SortedMap<String,com.codahale.metrics.Gauge> gauges, SortedMap<String,com.codahale.metrics.Counter> counters, SortedMap<String,com.codahale.metrics.Histogram> histograms, SortedMap<String,com.codahale.metrics.Meter> meters, SortedMap<String,com.codahale.metrics.Timer> timers)
void	setCollectorURL(String url)	Set the collection point to supply the data to.
void	setDateTimeFormat(String format)	Set the DateFormat formatting string to apply when writing DateFormat-valued fields.
void	setHttpClient(org.apache.http.client.HttpClient client)	Set the HttpClient to use.
void	setHttpClientSecurityParameters(HttpClientSecurityParameters params)	Set the optional client security parameters.
void	stop()

Methods inherited from class com.codahale.metrics.ScheduledReporter

close, convertDuration, convertRate, getDisabledMetricAttributes, getDurationUnit, getRateUnit, getScheduledFuture, isShutdownExecutorOnStop, start, start

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

DEFAULT_DT_FORMAT

@Nonnull
@NotEmpty
public static final String DEFAULT_DT_FORMAT

Default date/time format string.

See Also:

• Constant Field Values

log

@Nonnull
private final org.slf4j.Logger log

Class logger.

metricRegistry

@Nonnull
private final com.codahale.metrics.MetricRegistry metricRegistry

Registry of metrics.

metricFilter

@Nonnull
private final com.codahale.metrics.MetricFilter metricFilter

Filter to apply.

rateUnit

@Nonnull
private final TimeUnit rateUnit

Rate unit.

durationUnit

@Nonnull
private final TimeUnit durationUnit

Duration unit.

httpClient

@NonnullAfterInit
private org.apache.http.client.HttpClient httpClient

HTTP Client used to post the data.

collectorURL

@NonnullAfterInit
@NotEmpty
private String collectorURL

URL to the collection point.

httpClientSecurityParameters

@Nullable
private HttpClientSecurityParameters httpClientSecurityParameters

HTTP client security parameters.

jsonMapper

@NonnullAfterInit
private com.fasterxml.jackson.databind.ObjectMapper jsonMapper

JSON object mapper to produce output.

dateTimeFormat

@Nullable
private String dateTimeFormat

Formatting string for DateFormat fields.

isInitialized

private boolean isInitialized

Whether this component has been initialized.

Constructor Details

HTTPReporter

public HTTPReporter(@Nonnull @ParameterName(name="registry")
 com.codahale.metrics.MetricRegistry registry,
 @Nonnull @NotEmpty @ParameterName(name="name")
 String name,
 @Nullable @ParameterName(name="filter")
 com.codahale.metrics.MetricFilter filter)

Constructor.

Parameters:

registry - the registry of metrics to report

name - the reporter name

filter - filter to apply

HTTPReporter

public HTTPReporter(@Nonnull @ParameterName(name="registry")
 com.codahale.metrics.MetricRegistry registry,
 @Nonnull @NotEmpty @ParameterName(name="name")
 String name,
 @Nullable @ParameterName(name="filter")
 com.codahale.metrics.MetricFilter filter,
 @Nonnull @ParameterName(name="rUnit")
 TimeUnit rUnit,
 @Nonnull @ParameterName(name="dUnit")
 TimeUnit dUnit)

Constructor.

Parameters:

registry - the registry of metrics to report

name - the reporter name

filter - filter to apply

rUnit - unit to apply to rate information

dUnit - unit to apply to duration information

HTTPReporter

public HTTPReporter(@Nonnull @ParameterName(name="registry")
 com.codahale.metrics.MetricRegistry registry,
 @Nonnull @NotEmpty @ParameterName(name="name")
 String name,
 @Nullable @ParameterName(name="filter")
 com.codahale.metrics.MetricFilter filter,
 @Nonnull @ParameterName(name="rUnit")
 TimeUnit rUnit,
 @Nonnull @ParameterName(name="dUnit")
 TimeUnit dUnit,
 @Nonnull @ParameterName(name="executor")
 ScheduledExecutorService executor)

Constructor.

Parameters:

registry - the registry of metrics to report

name - the reporter name

filter - filter to apply

rUnit - unit to apply to rate information

dUnit - unit to apply to duration information

executor - task scheduler

Method Details

setHttpClient

public void setHttpClient(@Nonnull
 org.apache.http.client.HttpClient client)

Set the HttpClient to use.

Parameters:

client - client to use

setCollectorURL

public void setCollectorURL(@Nonnull @NotEmpty
 String url)

Set the collection point to supply the data to.

Parameters:

url - URL to post data to

setHttpClientSecurityParameters

public void setHttpClientSecurityParameters(@Nullable
 HttpClientSecurityParameters params)

Set the optional client security parameters.

Parameters:

params - the new client security parameters

setDateTimeFormat

public void setDateTimeFormat(@Nullable @NotEmpty
 String format)

Set the DateFormat formatting string to apply when writing DateFormat-valued fields.

Parameters:

format - formatting string

isInitialized

public boolean isInitialized()

Specified by:

isInitialized in interface InitializableComponent

initialize

public void initialize()
                throws ComponentInitializationException

Specified by:

initialize in interface InitializableComponent

Throws:

ComponentInitializationException

stop

public void stop()

Overrides:

stop in class com.codahale.metrics.ScheduledReporter

report

public void report()

Overrides:

report in class com.codahale.metrics.ScheduledReporter

report

public void report(SortedMap<String,com.codahale.metrics.Gauge> gauges,
 SortedMap<String,com.codahale.metrics.Counter> counters,
 SortedMap<String,com.codahale.metrics.Histogram> histograms,
 SortedMap<String,com.codahale.metrics.Meter> meters,
 SortedMap<String,com.codahale.metrics.Timer> timers)

Specified by:

report in class com.codahale.metrics.ScheduledReporter

buildHttpContext

@Nonnull
private org.apache.http.client.protocol.HttpClientContext buildHttpContext(@Nonnull
 org.apache.http.client.methods.HttpUriRequest request)

Build the HttpClientContext instance to be used by the HttpClient.

Parameters:

request - the HTTP client request

Returns:

the client context instance