src/main/java/org/apache/maven/plugins/trac/TracDownloader.java

/*
 * 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.
 */
package org.apache.maven.plugins.trac;

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;

import org.apache.maven.plugins.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;

/**
 * Get issues from a Trac installation.
 *
 * @author Dennis Lundberg
 * @version $Id$
 * @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/" + ticketObj[0]);

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

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

        @SuppressWarnings("unchecked")
        Map<String, String> attributes = (Map<String, String>) ticketObj[3];

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

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

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

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

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

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

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

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

        issue.addComponent(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 (!(query == null || query.isEmpty())) {
            qstr = query;
        }

        Object[] params = new Object[] {qstr};
        Object[] queryResult;
        ArrayList<Issue> issueList = new ArrayList<>();
        try {
            queryResult = (Object[]) client.execute("ticket.query", params);

            for (Object aQueryResult : queryResult) {
                params = new Object[] {aQueryResult};
                Object[] ticketGetResult;
                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);
            }
        }
    }
}