package org.apache.maven.plugin.trac;

 /*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you under the Apache License, Version 2.0 (the

  * "License"); you may not use this file except in compliance

  * with the License.  You may obtain a copy of the License at

  *

  *   http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing,

  * software distributed under the License is distributed on an

  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

  * KIND, either express or implied.  See the License for the

  * specific language governing permissions and limitations

  * under the License.

  */

 import org.apache.maven.plugin.issues.Issue;

 import org.apache.maven.project.MavenProject;

 import org.apache.xmlrpc.XmlRpcException;

 import org.apache.xmlrpc.client.XmlRpcClient;

 import org.apache.xmlrpc.client.XmlRpcClientConfigImpl;

 import org.apache.xmlrpc.client.XmlRpcCommonsTransportFactory;

 import org.codehaus.plexus.util.StringUtils;

 import java.net.MalformedURLException;

 import java.net.URL;

 import java.text.ParseException;

 import java.text.SimpleDateFormat;

 import java.util.ArrayList;

 import java.util.Calendar;

 import java.util.Date;

 import java.util.List;

 import java.util.Locale;

 import java.util.Map;

 /**

  * Get issues from a Trac installation.

  *

  * @author Dennis Lundberg

  * @version $Id: TracDownloader.java 1451102 2013-02-28 05:34:17Z bimargulies $

  * @since 2.4

  */

 public class TracDownloader

 {

     /** The Maven project. */

     private MavenProject project;

     /** The Trac query for searching for tickets. */

     private String query;

     /** The password for authentication into a private Trac installation. */

     private String tracPassword;

     /** The username for authentication into a private Trac installation. */

     private String tracUser;

     private Issue createIssue( Object[] ticketObj )

     {

         Issue issue = new Issue();

         issue.setId( String.valueOf( ticketObj[0] ) );

         issue.setKey( String.valueOf( ticketObj[0] ) );

         issue.setLink( getUrl() + "/ticket/" + String.valueOf( ticketObj[0] ) );

         issue.setCreated( parseDate( String.valueOf( ticketObj[1] ) ) );

         issue.setUpdated( parseDate( String.valueOf( ticketObj[2] ) ) );

         Map attributes = (Map) ticketObj[3];

         issue.setType( (String) attributes.get( "type" ) );

         issue.setSummary( (String) attributes.get( "summary" ) );

         issue.setStatus( (String) attributes.get( "status" ) );

         issue.setResolution( (String) attributes.get( "resolution" ) );

         issue.setAssignee( (String) attributes.get( "owner" ) );

         issue.addFixVersion( (String) attributes.get( "milestone" ) );

         issue.setPriority( (String) attributes.get( "priority" ) );

         issue.setReporter( (String) attributes.get( "reporter" ) );

         issue.addComponent( (String) attributes.get( "component" ) );

         return issue;

     }

     public List<Issue> getIssueList() throws MalformedURLException, XmlRpcException

     {

         // Create and configure an XML-RPC client

         XmlRpcClientConfigImpl config = new XmlRpcClientConfigImpl();

         try

         {

             config.setServerURL( new URL( getUrl() + "/login/xmlrpc" ) );

         }

         catch ( MalformedURLException e )

         {

             throw new MalformedURLException( "The Trac URL is incorrect." );

         }

         config.setBasicUserName( tracUser );

         config.setBasicPassword( tracPassword );

         XmlRpcClient client = new XmlRpcClient();

         client.setConfig( config );

         client.setTransportFactory( new XmlRpcCommonsTransportFactory( client ) );

         // Fetch issues

         String qstr = "";

         if ( !StringUtils.isEmpty( query ) )

         {

             qstr = query;

         }

         Object[] params = new Object[] { new String( qstr ) };

         Object[] queryResult = null;

         ArrayList<Issue> issueList = new ArrayList<Issue>();

         try

         {

             queryResult = (Object[]) client.execute( "ticket.query", params );

             for ( int i = 0; i < queryResult.length; i++ )

             {

                 params = new Object[] { queryResult[i] };

                 Object[] ticketGetResult = null;

                 ticketGetResult = (Object[]) client.execute( "ticket.get", params );

                 issueList.add( createIssue( ticketGetResult ) );

             }

         }

         catch ( XmlRpcException e )

         {

             throw new XmlRpcException( "XmlRpc Error.", e );

         }

         return issueList;

     }

     private String getUrl()

     {

         String url = project.getIssueManagement().getUrl();

         if ( url.endsWith( "/" ) )

         {

             url = url.substring( 0, url.length() - 1 );

         }

         return url;

     }

     public void setProject( MavenProject project )

     {

         this.project = project;

     }

     public void setQuery( String query )

     {

         this.query = query;

     }

     public void setTracPassword( String tracPassword )

     {

         this.tracPassword = tracPassword;

     }

     public void setTracUser( String tracUser )

     {

         this.tracUser = tracUser;

     }

     private Date parseDate( String timeCreated )

         throws RuntimeException

     {

         try

         {

             long millis = Long.parseLong( timeCreated );

             Calendar cld = Calendar.getInstance();

             cld.setTimeInMillis( millis * 1000L );

             return cld.getTime();

         }

         catch ( NumberFormatException e )

         {

             SimpleDateFormat format = new SimpleDateFormat( "EEE MMM dd HH:mm:ss z yyyy", Locale.ENGLISH );

             try

             {

                 return format.parse( timeCreated );

             }

             catch ( ParseException e1 )

             {

                 throw new RuntimeException( "Failed to parse date '" + timeCreated + "' as a date.", e1 );

             }

         }

     }

 }