| 1 | // License: GPL. Copyright 2007 by Immanuel Scholz and others
|
|---|
| 2 | package org.openstreetmap.josm.tools;
|
|---|
| 3 |
|
|---|
| 4 | import java.io.BufferedReader;
|
|---|
| 5 | import java.io.IOException;
|
|---|
| 6 | import java.io.InputStream;
|
|---|
| 7 | import java.io.InputStreamReader;
|
|---|
| 8 | import java.net.URL;
|
|---|
| 9 |
|
|---|
| 10 | import org.openstreetmap.josm.Main;
|
|---|
| 11 | import org.openstreetmap.josm.tools.LanguageInfo;
|
|---|
| 12 |
|
|---|
| 13 | import static org.openstreetmap.josm.tools.I18n.tr;
|
|---|
| 14 |
|
|---|
| 15 | /**
|
|---|
| 16 | * Read a trac-wiki page.
|
|---|
| 17 | *
|
|---|
| 18 | * @author imi
|
|---|
| 19 | */
|
|---|
| 20 | public class WikiReader {
|
|---|
| 21 |
|
|---|
| 22 | private final String baseurl;
|
|---|
| 23 |
|
|---|
| 24 | public WikiReader(String baseurl) {
|
|---|
| 25 | this.baseurl = baseurl;
|
|---|
| 26 | }
|
|---|
| 27 |
|
|---|
| 28 | public WikiReader() {
|
|---|
| 29 | this.baseurl = Main.pref.get("help.baseurl", "http://josm.openstreetmap.de");
|
|---|
| 30 | }
|
|---|
| 31 |
|
|---|
| 32 | /**
|
|---|
| 33 | * Read the page specified by the url and return the content.
|
|---|
| 34 | *
|
|---|
| 35 | * If the url is within the baseurl path, parse it as an trac wikipage and replace relative
|
|---|
| 36 | * pathes etc..
|
|---|
| 37 | *
|
|---|
| 38 | * @return Either the string of the content of the wiki page.
|
|---|
| 39 | * @throws IOException Throws, if the page could not be loaded.
|
|---|
| 40 | */
|
|---|
| 41 | public String read(String url) throws IOException {
|
|---|
| 42 | BufferedReader in = new BufferedReader(new InputStreamReader(new URL(url).openStream(), "utf-8"));
|
|---|
| 43 | if (url.startsWith(baseurl) && !url.endsWith("?format=txt"))
|
|---|
| 44 | return readFromTrac(in);
|
|---|
| 45 | return readNormal(in);
|
|---|
| 46 | }
|
|---|
| 47 |
|
|---|
| 48 | public String readLang(String text) {
|
|---|
| 49 | String languageCode = LanguageInfo.getLanguageCodeWiki();
|
|---|
| 50 | String url = baseurl + "/wiki/" + languageCode + text;
|
|---|
| 51 | String res = "";
|
|---|
| 52 | InputStream in = null;
|
|---|
| 53 | try {
|
|---|
| 54 | in = new URL(url).openStream();
|
|---|
| 55 | res = readFromTrac(new BufferedReader(new InputStreamReader(in, "utf-8")));
|
|---|
| 56 | } catch (IOException ioe) {
|
|---|
| 57 | System.out.println(tr("Warning: failed to read MOTD from ''{0}''. Exception was: {1}", url, ioe
|
|---|
| 58 | .toString()));
|
|---|
| 59 | } catch(SecurityException e) {
|
|---|
| 60 | System.out.println(tr(
|
|---|
| 61 | "Warning: failed to read MOTD from ''{0}'' for security reasons. Exception was: {1}", url, e
|
|---|
| 62 | .toString()));
|
|---|
| 63 | } finally {
|
|---|
| 64 | if (in != null) {
|
|---|
| 65 | try {
|
|---|
| 66 | in.close();
|
|---|
| 67 | } catch (IOException e) {
|
|---|
| 68 | }
|
|---|
| 69 | }
|
|---|
| 70 | }
|
|---|
| 71 | if (res.length() == 0 && languageCode.length() != 0) {
|
|---|
| 72 | url = baseurl + "/wiki/" + text;
|
|---|
| 73 | try {
|
|---|
| 74 | in = new URL(url).openStream();
|
|---|
| 75 | } catch (IOException e) {
|
|---|
| 76 | System.out.println(tr("Warning: failed to read MOTD from ''{0}''. Exception was: {1}", url, e
|
|---|
| 77 | .toString()));
|
|---|
| 78 | return res;
|
|---|
| 79 | } catch (SecurityException e) {
|
|---|
| 80 | System.out.println(tr(
|
|---|
| 81 | "Warning: failed to read MOTD from ''{0}'' for security reasons. Exception was: {1}", url, e
|
|---|
| 82 | .toString()));
|
|---|
| 83 | return res;
|
|---|
| 84 | }
|
|---|
| 85 | try {
|
|---|
| 86 | res = readFromTrac(new BufferedReader(new InputStreamReader(in, "utf-8")));
|
|---|
| 87 | } catch (IOException ioe) {
|
|---|
| 88 | System.out.println(tr("Warning: failed to read MOTD from ''{0}''. Exception was: {1}", url, ioe
|
|---|
| 89 | .toString()));
|
|---|
| 90 | return res;
|
|---|
| 91 | } finally {
|
|---|
| 92 | if (in != null) {
|
|---|
| 93 | try {
|
|---|
| 94 | in.close();
|
|---|
| 95 | } catch (IOException e) {
|
|---|
| 96 | }
|
|---|
| 97 | }
|
|---|
| 98 | }
|
|---|
| 99 | }
|
|---|
| 100 | return res;
|
|---|
| 101 | }
|
|---|
| 102 |
|
|---|
| 103 | private String readNormal(BufferedReader in) throws IOException {
|
|---|
| 104 | String b = "";
|
|---|
| 105 | for (String line = in.readLine(); line != null; line = in.readLine()) {
|
|---|
| 106 | if (!line.contains("[[TranslatedPages]]")) {
|
|---|
| 107 | b += line.replaceAll(" />", ">") + "\n";
|
|---|
| 108 | }
|
|---|
| 109 | }
|
|---|
| 110 | return "<html>" + b + "</html>";
|
|---|
| 111 | }
|
|---|
| 112 |
|
|---|
| 113 | private String readFromTrac(BufferedReader in) throws IOException {
|
|---|
| 114 | boolean inside = false;
|
|---|
| 115 | boolean transl = false;
|
|---|
| 116 | String b = "";
|
|---|
| 117 | for (String line = in.readLine(); line != null; line = in.readLine()) {
|
|---|
| 118 | if (line.contains("<div id=\"searchable\">")) {
|
|---|
| 119 | inside = true;
|
|---|
| 120 | } else if (line.contains("<div class=\"wiki-toc trac-nav\"")) {
|
|---|
| 121 | transl = true;
|
|---|
| 122 | } else if (line.contains("<div class=\"wikipage searchable\">")) {
|
|---|
| 123 | inside = true;
|
|---|
| 124 | } else if (line.contains("<div class=\"buttons\">")) {
|
|---|
| 125 | inside = false;
|
|---|
| 126 | }
|
|---|
| 127 | if (inside && !transl) {
|
|---|
| 128 | b += line.replaceAll("<img src=\"/", "<img src=\"" + baseurl + "/").replaceAll("href=\"/",
|
|---|
| 129 | "href=\"" + baseurl + "/").replaceAll(" />", ">")
|
|---|
| 130 | + "\n";
|
|---|
| 131 | } else if (transl && line.contains("</div>")) {
|
|---|
| 132 | transl = false;
|
|---|
| 133 | }
|
|---|
| 134 | }
|
|---|
| 135 | if (b.indexOf(" Describe ") >= 0)
|
|---|
| 136 | return "";
|
|---|
| 137 | return "<html>" + b + "</html>";
|
|---|
| 138 | }
|
|---|
| 139 | }
|
|---|
