com.vaadin.buildhelpers.FetchReleaseNotesTickets Maven / Gradle / Ivy

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Vaadin is a web application framework for Rich Internet Applications (RIA). Vaadin enables easy development and maintenance of fast and secure rich web applications with a stunning look and feel and a wide browser support. It features a server-side architecture with the majority of the logic running on the server. Ajax technology is used at the browser-side to ensure a rich and interactive user experience.
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/*
 * Copyright 2000-2014 Vaadin Ltd.
 *
 * Licensed 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 com.vaadin.buildhelpers;

import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.util.ArrayList;
import java.util.List;

import org.apache.commons.io.IOUtils;

public class FetchReleaseNotesTickets {
    private static final String queryURL = "http://dev.vaadin.com/query?status=pending-release&status=released&@milestone@&resolution=fixed&col=id&col=summary&col=owner&col=type&col=priority&col=component&col=version&col=bfptime&col=fv&format=tab&order=id";
    private static final String ticketTemplate = ""
            + "@badge@" //
            + "#@ticket@" //
            + "@description@" //
            + ""; //

    public static void main(String[] args) throws IOException {
        String versionsProperty = System.getProperty("vaadin.version");
        if (versionsProperty == null || versionsProperty.equals("")) {
            usage();
        }
        String milestone = "";

        List versions = new ArrayList();
        for (String version : versionsProperty.split(" ")) {
            if (version.endsWith(".0") || version.matches(".*\\.rc\\d+")) {
                // Find all prerelease versions for final or rc

                // Strip potential rc prefix
                version = version.replaceAll("\\.rc\\d+$", "");
                versions.addAll(findPrereleaseVersions(version));
            } else {
                versions.add(version);
            }
        }

        for (String version : versions) {
            if (!milestone.equals("")) {
                milestone += "&";
            }
            milestone += "milestone=Vaadin+" + version;
        }

        printMilestone(milestone);
    }

    private static List findPrereleaseVersions(String baseVersion) {
        List versions = new ArrayList();

        for (int i = 0; i < 50; i++) {
            versions.add(baseVersion + ".alpha" + i);
        }
        for (int i = 0; i < 10; i++) {
            versions.add(baseVersion + ".beta" + i);
        }
        for (int i = 0; i < 10; i++) {
            versions.add(baseVersion + ".rc" + i);
        }

        return versions;
    }

    private static void printMilestone(String milestone)
            throws MalformedURLException, IOException {

        URL url = new URL(queryURL.replace("@milestone@", milestone));
        URLConnection connection = url.openConnection();
        InputStream urlStream = connection.getInputStream();

        List tickets = IOUtils.readLines(urlStream);

        for (String ticket : tickets) {
            // Omit BOM
            if (!ticket.isEmpty() && ticket.charAt(0) == 65279) {
                ticket = ticket.substring(1);
            }
            String[] fields = ticket.split("\t");
            if ("id".equals(fields[0])) {
                // This is the header
                continue;
            }
            String summary = fields[1];

            summary = modifySummaryString(summary);

            String badge = "";
            if (fields.length >= 8 && !fields[7].equals("")) {
                badge = "Priority";
            } else if (fields.length >= 9 && fields[8].equalsIgnoreCase("true")) {
                badge = "Vote";
            }

            System.out.println(ticketTemplate.replace("@ticket@", fields[0])
                    .replace("@description@", summary)
                    .replace("@badge@", badge));
        }
        urlStream.close();
    }

    private static String modifySummaryString(String summary) {

        if (summary.startsWith("\"") && summary.endsWith("\"")) {
            // If a summary starts with " and ends with " then all quotes in
            // the summary are encoded as double quotes
            summary = summary.substring(1, summary.length() - 1);
            summary = summary.replace("\"\"", "\"");
        }

        // this is needed for escaping html
        summary = escapeHtml(summary);

        return summary;
    }

    /**
     * @since 7.4
     * @param string
     *            the string to be html-escaped
     * @return string in html-escape format
     */
    private static String escapeHtml(String string) {

        StringBuffer buf = new StringBuffer(string.length() * 2);

        // we check the string character by character and escape only special
        // characters
        for (int i = 0; i < string.length(); ++i) {

            char ch = string.charAt(i);
            String charString = ch + "";

            if ((charString).matches("[a-zA-Z0-9., ]")) {
                // character is letter, digit, dot, comma or whitespace
                buf.append(ch);
            } else {
                int charInt = ch;
                buf.append("&");
                buf.append("#");
                buf.append(charInt);
                buf.append(";");
            }
        }
        return buf.toString();
    }

    private static void usage() {
        System.err.println("Usage: "
                + FetchReleaseNotesTickets.class.getSimpleName()
                + " -Dvaadin.version=");
        System.exit(1);
    }
}