1 package org.apache.maven.plugin.jira;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import java.text.NumberFormat;
23 import java.text.ParsePosition;
24
25 import org.apache.commons.httpclient.HttpClient;
26 import org.apache.commons.httpclient.methods.GetMethod;
27 import org.apache.maven.plugin.logging.Log;
28
29 /**
30 * A helper class with common JIRA related functionality.
31 *
32 * @author Dennis Lundberg
33 * @version $Id: JiraHelper.html 816584 2012-05-08 12:33:35Z hboutemy $
34 */
35 public class JiraHelper
36 {
37 private static final String PID = "pid=";
38
39 /**
40 * Try to get a JIRA pid from the issue management URL.
41 *
42 * @param log Used to tell the user what happened
43 * @param issueManagementUrl The URL to the issue management system
44 * @param client The client used to connect to JIRA
45 * @return The JIRA id for the project, or null if it can't be found
46 */
47 public static String getPidFromJira( Log log, String issueManagementUrl, HttpClient client )
48 {
49 String jiraId = null;
50 GetMethod gm = new GetMethod( issueManagementUrl );
51
52 String projectPage;
53 try
54 {
55 client.executeMethod( gm );
56 log.debug( "Successfully reached JIRA." );
57 projectPage = gm.getResponseBodyAsString();
58 }
59 catch ( Exception e )
60 {
61 if ( log.isDebugEnabled() )
62 {
63 log.error( "Unable to reach the JIRA project page:", e );
64 }
65 else
66 {
67 log.error( "Unable to reach the JIRA project page. Cause is: " + e.getLocalizedMessage() );
68 }
69 return null;
70 }
71
72 int pidIndex = projectPage.indexOf( PID );
73
74 if ( pidIndex == -1 )
75 {
76 log.error( "Unable to extract a JIRA pid from the page at the url " + issueManagementUrl );
77 }
78 else
79 {
80 NumberFormat nf = NumberFormat.getInstance();
81 Number pidNumber = nf.parse( projectPage, new ParsePosition( pidIndex + PID.length() ) );
82 jiraId = Integer.toString( pidNumber.intValue() );
83 log.debug( "Found the pid " + jiraId + " at " + issueManagementUrl );
84 }
85 return jiraId;
86 }
87 }