enable ci

Author: taowen

.travis.yml

@@ -0,0 +1,7 @@
+language: java
+sudo: false # faster builds
+
+script: "mvn cobertura:cobertura"
+
+after_success:
+  - bash <(curl -s https://codecov.io/bash)

README.md

@@ -1,3 +1,10 @@
+[![Sourcegraph](https://sourcegraph.com/github.com/json-iterator/java/-/badge.svg)](https://sourcegraph.com/github.com/json-iterator/java?badge)
+[![GoDoc](http://img.shields.io/badge/go-documentation-blue.svg?style=flat-square)](http://godoc.org/github.com/json-iterator/java)
+[![Build Status](https://travis-ci.org/json-iterator/java.svg?branch=master)](https://travis-ci.org/json-iterator/java)
+[![codecov](https://codecov.io/gh/json-iterator/java/branch/master/graph/badge.svg)](https://codecov.io/gh/json-iterator/java)
+[![rcard](https://goreportcard.com/badge/github.com/json-iterator/java)](https://goreportcard.com/report/github.com/json-iterator/java)
+[![License](http://img.shields.io/badge/license-mit-blue.svg?style=flat-square)](https://raw.githubusercontent.com/json-iterator/java/master/LICENSE)
+[![Gitter chat](https://badges.gitter.im/gitterHQ/gitter.png)](https://gitter.im/json-iterator/Lobby)
+
 Documentation : [http://jsoniter.com/java-features.html](http://jsoniter.com/java-features.html)
 
-[![Gitter chat](https://badges.gitter.im/gitterHQ/gitter.png)](https://gitter.im/json-iterator/Lobby)

pom.xml

@@ -104,6 +104,18 @@
             </testResource>
         </testResources>
         <plugins>
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>cobertura-maven-plugin</artifactId>
+                <version>2.7</version>
+                <configuration>
+                    <formats>
+                        <format>html</format>
+                        <format>xml</format>
+                    </formats>
+                    <check />
+                </configuration>
+            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>