JIRA是一个缺陷跟踪管理系统，被广泛应用于缺陷跟踪、客户服务、需求收集、流程审批、任务跟踪、项目跟踪和敏捷管理等工作领域,当我们需要把第三方业务系统集成进来时，可以调用他的API。

JIRA本身的API非常强大，但它是一个底层的API体系，并不是一个易用的接口，如果要开发和拓展，所以需要我们二次包装。

jira官方为解决这个问题，推出了方便强大的java client library（目前只有java客户端库，没有.Net类库）

jira的Rest API  最新文档官网.

JIRA 6.4.12 REST API documentation

https://docs.atlassian.com/jira/REST/latest/

JIRA REST API Tutorials：

https://developer.atlassian.com/jiradev/jira-apis/jira-rest-apis/jira-rest-api-tutorials

JIRA Java Client library

https://ecosystem.atlassian.net/wiki/display/JRJC/Home

(获取所有项目目的,获取projectKey,issuetype)

package jiraTEST;

import java.net.URI;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ExecutionException;

import org.apache.commons.codec.binary.Base32;
import org.joda.time.DateTime;

import com.atlassian.jira.rest.client.IssueRestClient;
import com.atlassian.jira.rest.client.JiraRestClient;
import com.atlassian.jira.rest.client.SearchRestClient;
import com.atlassian.jira.rest.client.domain.BasicIssue;
import com.atlassian.jira.rest.client.domain.BasicProject;
import com.atlassian.jira.rest.client.domain.BasicUser;
import com.atlassian.jira.rest.client.domain.Comment;
import com.atlassian.jira.rest.client.domain.Field;
import com.atlassian.jira.rest.client.domain.Issue;
import com.atlassian.jira.rest.client.domain.Project;
import com.atlassian.jira.rest.client.domain.SearchResult;
import com.atlassian.jira.rest.client.domain.Transition;
import com.atlassian.jira.rest.client.domain.input.ComplexIssueInputFieldValue;
import com.atlassian.jira.rest.client.domain.input.FieldInput;
import com.atlassian.jira.rest.client.domain.input.IssueInput;
import com.atlassian.jira.rest.client.domain.input.IssueInputBuilder;
import com.atlassian.jira.rest.client.internal.async.AsynchronousJiraRestClientFactory;
import com.atlassian.util.concurrent.Promise;
import com.google.common.collect.Lists;

public class CvteJiraDemo {

public static String BaseURL = "http://jira-test:8080/";
public static String User = "admin";
public static String Password = "admin";
private static URI jiraServerUri = URI
.create("http://jira-test/rest/api/2/");
private static boolean quiet = false;
private static final long BUG_TYPE_ID = 1L; // JIRA magic value
private static final long TASK_TYPE_ID = 3L; // JIRA magic value
private static final DateTime DUE_DATE = new DateTime();
private static final String PRIORITY = "Trivial";
private static final String DESCRIPTION = "description";

public static void main(String[] args) throws InterruptedException,
ExecutionException {

final AsynchronousJiraRestClientFactory factory = new AsynchronousJiraRestClientFactory();
URI jiraServerUri;
try {
jiraServerUri = new URI(BaseURL);
final JiraRestClient restClient = (JiraRestClient) factory
.createWithBasicHttpAuthentication(jiraServerUri, User,
Password);
getAllProjects(restClient);
getProject(restClient, "DEMO");
getIssue(restClient, "FEEDBACK-14");
getIssueFields(restClient, "FEEDBACK-27");
addIssue(restClient, "FEEDBACK", "AAAAB");
addIssueComplex(restClient, "FEEDBACK",DUE_DATE.toString());

} catch (URISyntaxException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally {

}
}

private static void println(Object o) {
if (!quiet) {
System.out.println(o);
}
}

private static void parseArgs(String[] argsArray) throws URISyntaxException {
final List<String> args = Lists.newArrayList(argsArray);
if (args.contains("-q")) {
quiet = true;
args.remove(args.indexOf("-q"));
}

if (!args.isEmpty()) {
jiraServerUri = new URI(args.get(0));
}
}

private static Transition getTransitionByName(
Iterable<Transition> transitions, String transitionName) {
for (Transition transition : transitions) {
if (transition.getName().equals(transitionName)) {
return transition;
}
}
return null;
}

// 得到所有项目信息
private static void getAllProjects(final JiraRestClient restClient)
throws InterruptedException, ExecutionException {
try {

Promise<Iterable<BasicProject>> list = restClient
.getProjectClient().getAllProjects();
Iterable<BasicProject> a = list.get();
Iterator<BasicProject> it = a.iterator();
while (it.hasNext()) {
System.out.println(it.next());
}

} finally {
}
}

// 得到单一项目信息
private static void getProject(final JiraRestClient restClient,
String porjectKEY) throws InterruptedException, ExecutionException {
try {

Project project = restClient.getProjectClient()
.getProject(porjectKEY).get();
System.out.println(project);

} finally {
}
}

// 得到单一问题信息
private static void getIssue(final JiraRestClient restClient,
String issueKEY) throws InterruptedException, ExecutionException {
try {

Promise<Issue> list = restClient.getIssueClient()
.getIssue(issueKEY);
Issue issue = list.get();
System.out.println(issue);

} finally {
}
}

// 创建问题
public static BasicIssue createIssue(final JiraRestClient jiraRestClient,
IssueInput newIssue) {
BasicIssue basicIssue = jiraRestClient.getIssueClient()
.createIssue(newIssue).claim();
return basicIssue;
}

//添加备注到问题
public static void addCommentToIssue(final JiraRestClient jiraRestClient,Issue issue, String comment) {
IssueRestClient issueClient = jiraRestClient.getIssueClient();
issueClient.addComment(issue.getCommentsUri(), Comment.valueOf(comment)).claim();
}

//删除问题，目前找不到对应API
public static void deleteIssue(final JiraRestClient jiraRestClient, Issue issue) {
IssueRestClient issueClient = jiraRestClient.getIssueClient();
//issueClient.deleteIssue(issue.getKey(), false).claim();
}

//通过标题获取问题
public static Iterable findIssuesByLabel(final JiraRestClient jiraRestClient, String label) {
SearchRestClient searchClient = jiraRestClient.getSearchClient();
String jql = "labels%3D"+label;
com.atlassian.jira.rest.client.domain.SearchResult results = ((SearchRestClient) jiraRestClient).searchJql(jql).claim();
return results.getIssues();
}

//通过KEY获取问题
public static Issue findIssueByIssueKey(final JiraRestClient jiraRestClient, String issueKey) {
SearchRestClient searchClient = jiraRestClient.getSearchClient();
String jql = "issuekey = \"" + issueKey + "\"";
SearchResult results = searchClient.searchJql(jql).claim();
return (Issue) results.getIssues().iterator().next();
}

// 创建问题 ：仅有简单问题名称
private static void addIssue(final JiraRestClient restClient,
String porjectKEY, String issueName) throws InterruptedException,
ExecutionException {
try {
IssueInputBuilder builder = new IssueInputBuilder(porjectKEY,
TASK_TYPE_ID, issueName);
builder.setDescription("issue description");
final IssueInput input = builder.build();

try {
// create issue
final IssueRestClient client = restClient.getIssueClient();
final BasicIssue issue = client.createIssue(input).claim();
final Issue actual = client.getIssue(issue.getKey()).claim();
System.out.println(actual);
} finally {
if (restClient != null) {
// restClient.close();
}
}

} finally {
}
}

// 创建问题 ：包含自定义字段
private static void addIssueComplex(final JiraRestClient restClient,
String porjectKEY, String issueName) throws InterruptedException,
ExecutionException {
try {
IssueInputBuilder builder = new IssueInputBuilder(porjectKEY,
TASK_TYPE_ID, issueName);
builder.setDescription("issue description");
// builder.setFieldValue("priority", ComplexIssueInputFieldValue.with("name", PRIORITY));
//单行文本
builder.setFieldValue("customfield_10042", "单行文本测试");

//单选字段
builder.setFieldValue("customfield_10043", ComplexIssueInputFieldValue.with("value", "一般"));

//数值自定义字段
builder.setFieldValue("customfield_10044", 100.08);

//用户选择自定义字段
builder.setFieldValue("customfield_10045", ComplexIssueInputFieldValue.with("name", "admin"));
//用户选择自定义字段(多选)
Map<String, Object> user1 = new HashMap<String, Object>();
user1.put("name", "admin");
Map<String, Object> user2 = new HashMap<String, Object>();
user2.put("name", "wangxn");
ArrayList peoples = new ArrayList();
peoples.add(user1);
peoples.add(user2);
builder.setFieldValue("customfield_10047", peoples);

//设定父问题
Map<String, Object> parent = new HashMap<String, Object>();
parent.put("key", "FEEDBACK-25");
FieldInput parentField = new FieldInput("parent", new ComplexIssueInputFieldValue(parent));
builder.setFieldInput(parentField);

final IssueInput input = builder.build();
try {
final IssueRestClient client = restClient.getIssueClient();
final BasicIssue issue = client.createIssue(input).claim();
final Issue actual = client.getIssue(issue.getKey()).claim();
System.out.println(actual);
} finally {
if (restClient != null) {
// restClient.close();
}
}

} finally {
}
}

//获取问题的所有字段
private static void getIssueFields(final JiraRestClient restClient,
String issueKEY) throws InterruptedException, ExecutionException {
try {

Promise<Issue> list = restClient.getIssueClient()
.getIssue(issueKEY);
Issue issue = list.get();
Iterable<Field> fields = issue.getFields();
Iterator<Field> it = fields.iterator();
while (it.hasNext()) {
System.out.println(it.next());
}

} finally {
}
}

}