| commit | author | age | ||
| fad719 | 1 | /* |
| U | 2 | |
| 3 | Dateiverwaltung - File management in your browser | |
| 4 | Copyright (C) 2017 Ulrich Hilger, http://uhilger.de | |
| 5 | ||
| 6 | This program is free software: you can redistribute it and/or modify | |
| 7 | it under the terms of the GNU Affero General Public License as | |
| 8 | published by the Free Software Foundation, either version 3 of the | |
| 9 | License, or (at your option) any later version. | |
| 10 | ||
| 11 | This program is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | GNU Affero General Public License for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU Affero General Public License | |
| 17 | along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 18 | ||
| 19 | */ | |
| 20 | ||
| 21 | package de.uhilger.filecms.api; | |
| 22 | ||
| 23 | import java.io.BufferedReader; | |
| 24 | import java.io.File; | |
| 25 | import java.io.FileFilter; | |
| 26 | import java.io.FileNotFoundException; | |
| 27 | import java.io.FileReader; | |
| 28 | import java.io.IOException; | |
| 29 | import java.io.PrintWriter; | |
| 30 | import java.util.logging.Level; | |
| 31 | import java.util.logging.Logger; | |
| 32 | import org.apache.commons.io.FileUtils; | |
| 33 | ||
| 34 | /** | |
| 35 | * Die Klasse HtmlExportService stellt Methoden bereit, mit denen | |
| 36 | * .htmi-Dateien der WebBox zusammen mit Bildern und Stylesheets als | |
| 37 | * Ordner exportierten werden koennen, aus denen heraus die Inhalte | |
| 38 | * als HTML-Seiten im Browser zu oeffnen sind. | |
| 39 | */ | |
| 40 | public class HtmlExportService extends Api { | |
| 41 | ||
| 42 | private static final Logger logger = Logger.getLogger(HtmlExportService.class.getName()); | |
| 43 | ||
| 44 | /** | |
| 45 | * Den Inhalt eines Ordners als HTML exportieren | |
| 46 | * | |
| 47 | * Annahme hierbei ist, dass der Ordner, auf den im Parameter relPath | |
| 48 | * verwiesen wird eine oder mehrere .htmi-Dateien enthaelt. Optional | |
| 49 | * koennen Bilder im Ordner oder seinen Unterordnern enthalten sein, die | |
| 50 | * dann in derselben Struktur im Ausgabeordner landen. | |
| 51 | * | |
| 52 | * Es werden nur .htmi-Dateien exortiert, die im mit relPath bezeichneten | |
| 53 | * Ordner liegen. Eventuell in darin befindlichen Unterordnern befindliche | |
| 54 | * .htmk-Dateien werden nicht exportiert. | |
| 55 | * | |
| 56 | * Es sollten also keine komplexen Webseiten-Strukturen mit dieser Methode | |
| 57 | * erzeugt werden sondern einfache Dokumente mit einer oder wenigen | |
| 58 | * einzelnen Dateien. | |
| 59 | * | |
| 60 | * Die Ausgabe erfolgt in den Ordner, in dem der mit relPath bezeichnete | |
| 61 | * Ordner liegt, also in dessen Eltern-Ordner. Der ausgegebene Ordner heisst | |
| 62 | * genauso wir der mit relPath bezeichnete Ordner und wird mit der | |
| 63 | * Ergaenzung _html versehen. | |
| 64 | * | |
| 65 | * @param relPath | |
| 66 | * @return 'ok' oder Fehlermeldung | |
| 67 | */ | |
| 68 | public String exportHtml(String relPath) { | |
| 69 | String result = null; | |
| 70 | File dir = getTargetDir(relPath); | |
| 71 | File parentDir = dir.getParentFile(); | |
| 72 | File outDir = new File(parentDir, dir.getName() + "_html/"); | |
| 73 | File[] files = dir.listFiles(new HtmiFileFilter()); | |
| 74 | for(int i = 0; i < files.length; i++) { | |
| 75 | if (files[i].isDirectory()) { | |
| 76 | try { | |
| 77 | FileUtils.copyDirectoryToDirectory(files[i], outDir); | |
| 78 | } catch (IOException ex) { | |
| 79 | result = ex.getLocalizedMessage(); | |
| 80 | logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex); | |
| 81 | } | |
| 82 | } else { | |
| 83 | BufferedReader br = null; | |
| 84 | try { | |
| 85 | File out = new File(outDir, stripExt(files[i].getName()) + ".html"); | |
| 21589e | 86 | if(!out.exists()) { |
| U | 87 | logger.fine(out.getAbsolutePath() + " existiert nicht, erzeuge Datei.."); |
| 88 | out.getParentFile().mkdirs(); | |
| 89 | out.createNewFile(); | |
| 90 | } | |
| fad719 | 91 | PrintWriter w = new PrintWriter(out); |
| U | 92 | printHeader(w); |
| 93 | br = new BufferedReader(new FileReader(files[i])); | |
| 94 | String line = br.readLine(); | |
| 95 | while(line != null) { | |
| 21589e | 96 | w.print(line.replace("htmi", "html")); |
| fad719 | 97 | line = br.readLine(); |
| U | 98 | } |
| 99 | printFooter(w); | |
| 100 | w.flush(); | |
| 101 | w.close(); | |
| 102 | br.close(); | |
| 103 | } catch (FileNotFoundException ex) { | |
| 104 | result = ex.getLocalizedMessage(); | |
| 105 | logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex); | |
| 106 | } catch (IOException ex) { | |
| 107 | result = ex.getLocalizedMessage(); | |
| 108 | logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex); | |
| 109 | } finally { | |
| 110 | try { | |
| 111 | if(br != null) { | |
| 112 | br.close(); | |
| 113 | } | |
| 114 | } catch (IOException ex) { | |
| 115 | result = ex.getLocalizedMessage(); | |
| 116 | logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex); | |
| 117 | } | |
| 118 | } | |
| 119 | } | |
| 120 | } | |
| 6e1a29 | 121 | File catalinaBase = new File(getCatalinaBase(getServletContext())); |
| fad719 | 122 | File bsDir = new File(catalinaBase, "webapps/jslib/bootstrap/css/"); |
| U | 123 | try { |
| 124 | FileUtils.copyFile(new File(bsDir, "bootstrap.min.css"), new File(outDir, "bootstrap.min.css"), true); | |
| 125 | File stile = new File(dir, "stile.css"); | |
| 126 | if(stile.exists()) { | |
| 127 | FileUtils.copyFile(stile, new File(outDir, "stile.css"), true); | |
| 128 | } | |
| 21589e | 129 | result = "Export nach HTML ausgefuehrt."; |
| fad719 | 130 | } catch (IOException ex) { |
| U | 131 | result = ex.getLocalizedMessage(); |
| 132 | logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex); | |
| 133 | } | |
| 134 | return result; | |
| 135 | } | |
| 136 | ||
| 137 | private String stripExt(String name) { | |
| 138 | int dotpos = name.indexOf("."); | |
| 139 | if(dotpos > -1) { | |
| 140 | name = name.substring(0, dotpos); | |
| 141 | } | |
| 142 | return name; | |
| 143 | } | |
| 144 | ||
| 145 | public class HtmiFileFilter implements FileFilter { | |
| 146 | ||
| 147 | @Override | |
| 148 | public boolean accept(File pathname) { | |
| 149 | boolean doAccept = false; | |
| 150 | if(pathname.getName().endsWith(".htmi") || pathname.isDirectory()) { | |
| 151 | doAccept = true; | |
| 152 | } | |
| 153 | return doAccept; | |
| 154 | } | |
| 155 | ||
| 156 | } | |
| 157 | ||
| 158 | private void printHeader(PrintWriter out) throws IOException { | |
| 159 | out.print("<!DOCTYPE html><html><head>\r\n"); | |
| 160 | out.print("<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"/>"); | |
| 161 | out.print("<link rel=\"stylesheet\" type=\"text/css\" href=\"bootstrap.min.css\">\r\n"); | |
| 162 | out.print("<link rel=\"stylesheet\" type=\"text/css\" href=\"stile.css\">\r\n"); | |
| 163 | out.print("</head><body class=\"p-3\">\r\n"); | |
| 164 | } | |
| 165 | ||
| 166 | private void printFooter(PrintWriter out) throws IOException { | |
| 167 | out.print("</body></html>"); | |
| 168 | } | |
| 169 | ||
| 170 | ||
| 171 | ||
| 172 | } | |
