First commit

.gitignore

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+.idea
+target
+atlassian-ide-plugin.xml
+logs
+*.iml
+*.ipr
+#Eclipse-specific
+.settings/
+.classpath
+.project
+tmp/*

.travis.yml

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+language: java
+jdk: oraclejdk8
+install: true
+script: . .travis/script.sh

.travis/script.sh

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+#!/usr/bin/env bash
+
+if [ "${TRAVIS_EVENT_TYPE}" == push ] &&
+    echo "${TRAVIS_TAG}" | egrep '^[0-9]+\.[0-9]+\.[0-9]+(-[0-9]+)?$'
+then
+    # the build is triggered by a tag push, and the tag looks like
+    # a version number: proceed with release
+    echo ${GPG_SECRET_KEY} | base64 --decode | gpg --import
+    echo ${GPG_OWNERTRUST} | base64 --decode | gpg --import-ownertrust
+    mvn versions:set -DnewVersion=${TRAVIS_TAG}
+    mvn -s .travis/settings.xml -Prelease deploy
+else
+    # this is a regular build
+    mvn install
+fi

.travis/settings.xml

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+<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">
+    <servers>
+        <server>
+            <id>ossrh</id>
+            <username>${env.SONATYPE_USERNAME}</username>
+            <password>${env.SONATYPE_PASSWORD}</password>
+        </server>
+    </servers>
+    <profiles>
+        <profile>
+            <id>ossrh</id>
+            <activation>
+                <activeByDefault>true</activeByDefault>
+            </activation>
+            <properties>
+                <gpg.passphrase>${env.GPG_PASSPHRASE}</gpg.passphrase>
+            </properties>
+        </profile>
+    </profiles>
+</settings>

README.md

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+# Dropwizard Raven
+
+[![Build Status](https://travis-ci.org/dhatim/dropwizard-raven.png?branch=master)](https://travis-ci.org/dhatim/dropwizard-raven)
+[![Coverage Status](https://coveralls.io/repos/github/dhatim/dropwizard-raven/badge.svg?branch=master)](https://coveralls.io/github/dhatim/dropwizard-raven?branch=master)
+[![Maven Central](https://maven-badges.herokuapp.com/maven-central/org.dhatim/dropwizard-raven/badge.svg)](https://maven-badges.herokuapp.com/maven-central/org.dhatim/dropwizard-raven)
+[![Javadocs](http://www.javadoc.io/badge/org.dhatim/dropwizard-raven.svg)](http://www.javadoc.io/doc/org.dhatim/dropwizard-raven)
+
+Dropwizard integration for error logging to [Sentry](https://sentry.io).
+
+## Usage
+
+The Dropwizard Raven provides an `AppenderFactory` which is automatically registered in Dropwizard and will send errors to Sentry.
+
+### Logging startup errors
+
+In order to log startup errors (i.e. before the `RavenAppenderFactory` has been properly initialized), the Dropwizard application has to run the `RavenBootstrap.bootstrap()` in its `main` method and set a custom `UncaughtExceptionHandler` for the main thread.
+
+```java
+public static void main(String[] args) throws Exception {
+    RavenBootstrap.bootstrap(DSN);
+    Thread.currentThread().setUncaughtExceptionHandler(UncaughtExceptionHandlers.systemExit());
+
+    new MyDropwizardApplication().run(args);
+}
+```
+
+### Configuration
+
+The Logback `SentryAppender` can be configured using the provided `RavenConfiguration` class which basically mirrors the appender configuration outlined in [raven-logback](https://github.com/getsentry/raven-java/tree/master/raven-logback).
+
+Include the `raven` appender in your `config.yml`:
+
+```yaml
+appenders:
+  - type: raven
+    threshold: ERROR
+    dsn: https://user:pass@sentry.io/appid
+    environment: production
+    extraTags: foo,bar,baz
+    ravenFactory: com.example.RavenFactory
+    release: 1.0.0
+    serverName: 10.0.0.1
+    tags: tag:value,tag2:value
+```
+
+### Configuration Settings
+
+| Setting | Default | Description | Example Value |
+|---|---|---|---|
+| `threshold` | ALL | The log level to configure to send to Sentry | `ERROR` |
+| `dsn` |   | Data Source Name - `'https://{PUBLIC_KEY}:{SECRET_KEY}@sentry.io/{PROJECT_ID}'` | `https://foo:bar@sentry.io/12345` |
+| `environment` | [empty] | The environment your application is running in |  `production` |
+| `extraTags` | [empty] | `Additional tag names to be extracted from MDC when using SLF4J` | `foo,bar,baz` |
+| `ravenFactory` | [empty] | Specify a custom [`RavenFactory`](https://github.com/getsentry/raven-java/blob/master/raven/src/main/java/com/getsentry/raven/RavenFactory.java) class | `com.example.RavenFactory` |
+| `release` | [empty] | The release version of your application | `1.0.0` |
+| `serverName` | [empty] | Override the server name (rather than looking it up dynamically) | `10.0.0.1` |
+| `tags` | [empty] | Additional tags to be sent with errors | `tag1:value1,tag2:value2` |
+
+## Maven Artifacts
+
+This project is available in the [Central Repository](http://search.maven.org/#search%7Cgav%7C1%7Cg%3A%22org.dhatim%22%20AND%20a%3A%22dropwizard-raven%22). To add it to your project simply add the following dependency to your POM:
+
+```xml
+<dependency>
+  <groupId>org.dhatim</groupId>
+  <artifactId>dropwizard-raven</artifactId>
+  <version>1.2.0-1</version>
+</dependency>
+```
+
+## Support
+
+Please file bug reports and feature requests in [GitHub issues](https://github.com/dhatim/dropwizard-raven/issues).
+
+## Acknowledgements
+
+Thanks to [gini](https://github.com/gini) for [dropwizard-gelf](https://github.com/gini/dropwizard-gelf) from which much of the original implementation was derived.
+
+## Copyright
+
+Copyright (c) 2014-2016 Tradier Inc. See [LICENSE](LICENSE.md) for detail.

pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.dhatim</groupId>
+        <artifactId>root-oss</artifactId>
+        <version>9.1.0</version>
+    </parent>
+    <groupId>org.dhatim</groupId>
+    <artifactId>dropwizard-correlation-id</artifactId>
+    <version>0-SNAPSHOT</version>
+    <packaging>jar</packaging>
+    <name>${project.groupId}:${project.artifactId}</name>
+    <description>Dropwizard bundle for request correlation ids</description>
+    <url>https://github.com/dhatim/dropwizard-correlation-id</url>
+    <licenses>
+        <license>
+            <name>MIT License</name>
+            <url>http://www.opensource.org/licenses/mit-license.php</url>
+            <distribution>repo</distribution>
+        </license>
+    </licenses>
+    <developers>
+        <developer>
+            <email>dev-oss@dhatim.com</email>
+            <organization>Dhatim</organization>
+            <organizationUrl>http://dhatim.com/</organizationUrl>
+        </developer>
+    </developers>
+    <scm>
+        <connection>scm:git:git@github.com:dhatim/dropwizard-correlation-id.git</connection>
+        <developerConnection>scm:git:git@github.com:dhatim/dropwizard-correlation-id.git</developerConnection>
+        <url>git@github.com:dhatim/dropwizard-correlation-id.git</url>
+    </scm>
+    <dependencies>
+        <dependency>
+            <groupId>io.dropwizard</groupId>
+            <artifactId>dropwizard-core</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.httpcomponents</groupId>
+            <artifactId>httpclient</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>io.dropwizard</groupId>
+            <artifactId>dropwizard-testing</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.jacoco</groupId>
+                <artifactId>jacoco-maven-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>prepare-agent</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.eluder.coveralls</groupId>
+                <artifactId>coveralls-maven-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <artifactId>maven-source-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>attach-sources</id>
+                        <goals>
+                            <goal>jar-no-fork</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <artifactId>maven-javadoc-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>attach-javadocs</id>
+                        <goals>
+                            <goal>jar</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+</project>

src/main/java/org/dhatim/dropwizard/correlationid/CorrelationIdBundle.java

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+package org.dhatim.dropwizard.correlationid;
+
+import io.dropwizard.Configuration;
+import io.dropwizard.ConfiguredBundle;
+import io.dropwizard.setup.Bootstrap;
+import io.dropwizard.setup.Environment;
+import java.util.EnumSet;
+import java.util.function.Function;
+import javax.servlet.DispatcherType;
+
+public class CorrelationIdBundle<C extends Configuration> implements ConfiguredBundle<C> {
+
+    private final Function<C, CorrelationIdConfiguration> configurationSupplier;
+
+    public CorrelationIdBundle(Function<C, CorrelationIdConfiguration> configurationSupplier) {
+        this.configurationSupplier = configurationSupplier;
+    }
+
+    public static <C extends Configuration> CorrelationIdBundle<C> withConfigurationSupplier(Function<C, CorrelationIdConfiguration> configurationSupplier) {
+        return new CorrelationIdBundle(configurationSupplier);
+    }
+
+    public static <C extends Configuration> CorrelationIdBundle<C> getDefault() {
+        return withConfigurationSupplier(c -> new CorrelationIdConfiguration());
+    }
+
+    @Override
+    public void initialize(Bootstrap<?> bootstrap) {
+
+    }
+
+    @Override
+    public void run(C configuration, Environment environment) throws Exception {
+        CorrelationIdConfiguration correlationIdConfiguration = configurationSupplier.apply(configuration);
+        environment.servlets()
+                .addFilter("correlation-id-servlet-filter", new CorrelationIdServletFilter(correlationIdConfiguration))
+                .addMappingForUrlPatterns(EnumSet.of(DispatcherType.REQUEST), false, "*");
+    }
+
+}

src/main/java/org/dhatim/dropwizard/correlationid/CorrelationIdClientFilter.java

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+package org.dhatim.dropwizard.correlationid;
+
+import java.io.IOException;
+import java.util.Optional;
+import java.util.UUID;
+import javax.ws.rs.client.ClientRequestContext;
+import javax.ws.rs.client.ClientRequestFilter;
+import org.slf4j.MDC;
+
+public class CorrelationIdClientFilter implements ClientRequestFilter {
+
+    private final CorrelationIdConfiguration configuration;
+
+    public CorrelationIdClientFilter() {
+        this(new CorrelationIdConfiguration());
+    }
+
+    public CorrelationIdClientFilter(CorrelationIdConfiguration configuration) {
+        this.configuration = configuration;
+    }
+
+    @Override
+    public void filter(ClientRequestContext requestContext) throws IOException {
+        String correlationId = Optional.ofNullable(MDC.get(configuration.mdcKey)).orElseGet(() -> UUID.randomUUID().toString());
+        requestContext.getHeaders().add(configuration.headerName, correlationId);
+    }
+
+}

src/main/java/org/dhatim/dropwizard/correlationid/CorrelationIdConfiguration.java

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+package org.dhatim.dropwizard.correlationid;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import java.util.Optional;
+
+public class CorrelationIdConfiguration {
+
+    public final String headerName;
+    public final String mdcKey;
+
+    public CorrelationIdConfiguration() {
+        this(null, null);
+    }
+
+    public CorrelationIdConfiguration(@JsonProperty("headerName") String headerName,
+            @JsonProperty("mdcKey") String mdcKey) {
+        this.headerName = Optional.ofNullable(headerName).orElse("X-Correlation-Id");
+        this.mdcKey = Optional.ofNullable(mdcKey).orElse("CorrelationId");
+    }
+
+}