| [6380] | 1 | // License: GPL. For details, see LICENSE file.
|
|---|
| [155] | 2 | package org.openstreetmap.josm.tools;
|
|---|
| 3 |
|
|---|
| 4 | import java.io.BufferedReader;
|
|---|
| 5 | import java.io.IOException;
|
|---|
| 6 | import java.net.URL;
|
|---|
| 7 |
|
|---|
| [1512] | 8 | import org.openstreetmap.josm.Main;
|
|---|
| [5915] | 9 | import org.openstreetmap.josm.tools.LanguageInfo.LocaleType;
|
|---|
| [1512] | 10 |
|
|---|
| [155] | 11 | /**
|
|---|
| 12 | * Read a trac-wiki page.
|
|---|
| [2512] | 13 | *
|
|---|
| [155] | 14 | * @author imi
|
|---|
| 15 | */
|
|---|
| 16 | public class WikiReader {
|
|---|
| 17 |
|
|---|
| [1169] | 18 | private final String baseurl;
|
|---|
| [155] | 19 |
|
|---|
| [6642] | 20 | /**
|
|---|
| 21 | * Constructs a new {@code WikiReader} for the given base URL.
|
|---|
| 22 | * @param baseurl The wiki base URL
|
|---|
| 23 | */
|
|---|
| [1169] | 24 | public WikiReader(String baseurl) {
|
|---|
| 25 | this.baseurl = baseurl;
|
|---|
| [155] | 26 | }
|
|---|
| 27 |
|
|---|
| [6264] | 28 | /**
|
|---|
| 29 | * Constructs a new {@code WikiReader}.
|
|---|
| 30 | */
|
|---|
| [1512] | 31 | public WikiReader() {
|
|---|
| [7434] | 32 | this(Main.pref.get("help.baseurl", Main.getJOSMWebsite()));
|
|---|
| [1512] | 33 | }
|
|---|
| 34 |
|
|---|
| [1169] | 35 | /**
|
|---|
| [7434] | 36 | * Returns the base URL of wiki.
|
|---|
| 37 | * @return the base URL of wiki
|
|---|
| 38 | * @since 7434
|
|---|
| 39 | */
|
|---|
| 40 | public final String getBaseUrlWiki() {
|
|---|
| 41 | return baseurl + "/wiki/";
|
|---|
| 42 | }
|
|---|
| 43 |
|
|---|
| 44 | /**
|
|---|
| [1169] | 45 | * Read the page specified by the url and return the content.
|
|---|
| [2512] | 46 | *
|
|---|
| [7401] | 47 | * If the url is within the baseurl path, parse it as an trac wikipage and replace relative paths etc..
|
|---|
| 48 | * @param url the URL to read
|
|---|
| 49 | * @return The page as string
|
|---|
| [2512] | 50 | *
|
|---|
| [1169] | 51 | * @throws IOException Throws, if the page could not be loaded.
|
|---|
| 52 | */
|
|---|
| 53 | public String read(String url) throws IOException {
|
|---|
| [5936] | 54 | URL u = new URL(url);
|
|---|
| [9168] | 55 | try (BufferedReader in = HttpClient.create(u).connect().getContentReader()) {
|
|---|
| [7401] | 56 | boolean txt = url.endsWith("?format=txt");
|
|---|
| [7434] | 57 | if (url.startsWith(getBaseUrlWiki()) && !txt)
|
|---|
| [5936] | 58 | return readFromTrac(in, u);
|
|---|
| [7401] | 59 | return readNormal(in, !txt);
|
|---|
| [5834] | 60 | }
|
|---|
| [1169] | 61 | }
|
|---|
| [155] | 62 |
|
|---|
| [7401] | 63 | /**
|
|---|
| 64 | * Reads the localized version of the given wiki page.
|
|---|
| 65 | * @param text The page title, without locale prefix
|
|---|
| 66 | * @return the localized version of the given wiki page
|
|---|
| 67 | * @throws IOException if any I/O error occurs
|
|---|
| 68 | */
|
|---|
| [5061] | 69 | public String readLang(String text) throws IOException {
|
|---|
| [5915] | 70 | String languageCode;
|
|---|
| 71 | String res = "";
|
|---|
| 72 |
|
|---|
| 73 | languageCode = LanguageInfo.getWikiLanguagePrefix(LocaleType.DEFAULTNOTENGLISH);
|
|---|
| [8510] | 74 | if (languageCode != null) {
|
|---|
| [7434] | 75 | res = readLang(new URL(getBaseUrlWiki() + languageCode + text));
|
|---|
| [1879] | 76 | }
|
|---|
| [5915] | 77 |
|
|---|
| [8510] | 78 | if (res.isEmpty()) {
|
|---|
| [5915] | 79 | languageCode = LanguageInfo.getWikiLanguagePrefix(LocaleType.BASELANGUAGE);
|
|---|
| [8510] | 80 | if (languageCode != null) {
|
|---|
| [7434] | 81 | res = readLang(new URL(getBaseUrlWiki() + languageCode + text));
|
|---|
| [5915] | 82 | }
|
|---|
| 83 | }
|
|---|
| 84 |
|
|---|
| [8510] | 85 | if (res.isEmpty()) {
|
|---|
| [5915] | 86 | languageCode = LanguageInfo.getWikiLanguagePrefix(LocaleType.ENGLISH);
|
|---|
| [8510] | 87 | if (languageCode != null) {
|
|---|
| [7434] | 88 | res = readLang(new URL(getBaseUrlWiki() + languageCode + text));
|
|---|
| [5915] | 89 | }
|
|---|
| 90 | }
|
|---|
| 91 |
|
|---|
| [8510] | 92 | if (res.isEmpty()) {
|
|---|
| [5061] | 93 | throw new IOException(text + " does not exist");
|
|---|
| 94 | } else {
|
|---|
| 95 | return res;
|
|---|
| [1512] | 96 | }
|
|---|
| 97 | }
|
|---|
| 98 |
|
|---|
| [5061] | 99 | private String readLang(URL url) throws IOException {
|
|---|
| [9168] | 100 | try (BufferedReader in = HttpClient.create(url).connect().getContentReader()) {
|
|---|
| [7033] | 101 | return readFromTrac(in, url);
|
|---|
| [6642] | 102 | }
|
|---|
| [5061] | 103 | }
|
|---|
| 104 |
|
|---|
| [8870] | 105 | private static String readNormal(BufferedReader in, boolean html) throws IOException {
|
|---|
| [6264] | 106 | StringBuilder b = new StringBuilder();
|
|---|
| [1169] | 107 | for (String line = in.readLine(); line != null; line = in.readLine()) {
|
|---|
| [1879] | 108 | if (!line.contains("[[TranslatedPages]]")) {
|
|---|
| [8390] | 109 | b.append(line.replaceAll(" />", ">")).append('\n');
|
|---|
| [1879] | 110 | }
|
|---|
| [1169] | 111 | }
|
|---|
| [7401] | 112 | return html ? "<html>" + b + "</html>" : b.toString();
|
|---|
| [155] | 113 | }
|
|---|
| 114 |
|
|---|
| [5936] | 115 | protected String readFromTrac(BufferedReader in, URL url) throws IOException {
|
|---|
| [155] | 116 | boolean inside = false;
|
|---|
| [1483] | 117 | boolean transl = false;
|
|---|
| [4915] | 118 | boolean skip = false;
|
|---|
| [8849] | 119 | StringBuilder b = new StringBuilder();
|
|---|
| 120 | StringBuilder full = new StringBuilder();
|
|---|
| [155] | 121 | for (String line = in.readLine(); line != null; line = in.readLine()) {
|
|---|
| [8849] | 122 | full.append(line);
|
|---|
| [1879] | 123 | if (line.contains("<div id=\"searchable\">")) {
|
|---|
| [1169] | 124 | inside = true;
|
|---|
| [1879] | 125 | } else if (line.contains("<div class=\"wiki-toc trac-nav\"")) {
|
|---|
| [1483] | 126 | transl = true;
|
|---|
| [1879] | 127 | } else if (line.contains("<div class=\"wikipage searchable\">")) {
|
|---|
| [1426] | 128 | inside = true;
|
|---|
| [1879] | 129 | } else if (line.contains("<div class=\"buttons\">")) {
|
|---|
| [1169] | 130 | inside = false;
|
|---|
| [2257] | 131 | } else if (line.contains("<h3>Attachments</h3>")) {
|
|---|
| 132 | inside = false;
|
|---|
| [3569] | 133 | } else if (line.contains("<div id=\"attachments\">")) {
|
|---|
| 134 | inside = false;
|
|---|
| 135 | } else if (line.contains("<div class=\"trac-modifiedby\">")) {
|
|---|
| [4915] | 136 | skip = true;
|
|---|
| [1879] | 137 | }
|
|---|
| [4915] | 138 | if (inside && !transl && !skip) {
|
|---|
| [2274] | 139 | // add a border="0" attribute to images, otherwise the internal help browser
|
|---|
| 140 | // will render a thick border around images inside an <a> element
|
|---|
| [8933] | 141 | // remove width information to avoid distorded images (fix #11262)
|
|---|
| [8849] | 142 | b.append(line.replaceAll("<img ", "<img border=\"0\" ")
|
|---|
| [8933] | 143 | .replaceAll("width=\"(\\d+)\"", "")
|
|---|
| [5937] | 144 | .replaceAll("<span class=\"icon\">.</span>", "")
|
|---|
| [8846] | 145 | .replaceAll("href=\"/", "href=\"" + baseurl + '/')
|
|---|
| [8849] | 146 | .replaceAll(" />", ">"))
|
|---|
| 147 | .append('\n');
|
|---|
| [1879] | 148 | } else if (transl && line.contains("</div>")) {
|
|---|
| 149 | transl = false;
|
|---|
| [1169] | 150 | }
|
|---|
| [4915] | 151 | if (line.contains("</div>")) {
|
|---|
| 152 | skip = false;
|
|---|
| 153 | }
|
|---|
| [155] | 154 | }
|
|---|
| [3589] | 155 | if (b.indexOf(" Describe ") >= 0
|
|---|
| 156 | || b.indexOf(" does not exist. You can create it here.</p>") >= 0)
|
|---|
| [1512] | 157 | return "";
|
|---|
| [8849] | 158 | if (b.length() == 0)
|
|---|
| [5937] | 159 | b = full;
|
|---|
| [5936] | 160 | return "<html><base href=\""+url.toExternalForm() +"\"> " + b + "</html>";
|
|---|
| [155] | 161 | }
|
|---|
| 162 | }
|
|---|
