swext/mediawiki/src/com/sun/star/wiki/WikiArticle.java

   1 /*
   2  * This file is part of the LibreOffice project.
   3  *
   4  * This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   7  *
   8  * This file incorporates work covered by the following license notice:
   9  *
  10  *   Licensed to the Apache Software Foundation (ASF) under one or more
  11  *   contributor license agreements. See the NOTICE file distributed
  12  *   with this work for additional information regarding copyright
  13  *   ownership. The ASF licenses this file to you under the Apache
  14  *   License, Version 2.0 (the "License"); you may not use this file
  15  *   except in compliance with the License. You may obtain a copy of
  16  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  17  */
  18
  19 package com.sun.star.wiki;
  20
  21 import java.io.StringReader;
  22 import java.util.Map;
  23
  24 import javax.swing.text.html.HTMLEditorKit;
  25
  26 import org.apache.commons.httpclient.HostConfiguration;
  27 import org.apache.commons.httpclient.URI;
  28 import org.apache.commons.httpclient.methods.GetMethod;
  29 import org.apache.commons.httpclient.methods.PostMethod;
  30
  31 import com.sun.star.uno.XComponentContext;
  32
  33
  34 public class WikiArticle
  35 {
  36     private final XComponentContext m_xContext;
  37
  38     private String m_sEditTime = "";
  39     private String m_sEditToken = "";
  40
  41     private String m_sHTMLCode;
  42     private boolean m_bNoArticle = true;
  43
  44     private String m_sWikiUser;
  45     private String m_sWikiPass;
  46
  47     private final String m_sTitle;
  48
  49     private final URI m_aMainURI;
  50     private HostConfiguration m_aHostConfig;
  51
  52
  53     /** Creates a new instance of WikiArticle */
  54     public WikiArticle( XComponentContext xContext, String sTitle, Map<String,String> wikiSettings, boolean bLogin, WikiPropDialog aPropDialog )
  55         throws java.net.MalformedURLException, java.io.IOException, WikiCancelException
  56     {
  57         m_xContext = xContext;
  58
  59         String sMainUrl = wikiSettings.get("Url");
  60         m_sWikiUser = wikiSettings.get("Username");
  61         m_sWikiPass = wikiSettings.get("Password");
  62         m_sTitle = sTitle;
  63
  64         m_aMainURI = new URI( sMainUrl, false );
  65
  66         if ( bLogin )
  67         {
  68             WikiEditSettingDialog aDialog = new WikiEditSettingDialog(m_xContext, "vnd.sun.star.script:WikiEditor.EditSetting?location=application", wikiSettings, false );
  69             try
  70             {
  71                 while( !Login() )
  72                 {
  73                     if ( aPropDialog != null )
  74                         aPropDialog.SetThrobberActive( false );
  75
  76                     if ( MainThreadDialogExecutor.Show( xContext, aDialog ) )
  77                     {
  78                         m_sWikiUser = wikiSettings.get("Username");
  79                         m_sWikiPass = wikiSettings.get("Password");
  80                     }
  81                     else
  82                         throw new WikiCancelException();
  83
  84                     if ( aPropDialog != null )
  85                     {
  86                         aPropDialog.SetThrobberActive( true );
  87                         Thread.yield();
  88                     }
  89                 }
  90             }
  91             finally
  92             {
  93                 aDialog.DisposeDialog();
  94             }
  95         }
  96
  97         // in case of loading the html contents are used
  98         // in case of saving the contents should be checked whether they are empty
  99         InitArticleHTML();
 100     }
 101
 102     public String GetMainURL()
 103     {
 104         return m_aMainURI.toString();
 105     }
 106
 107     public String GetTitle()
 108     {
 109         return m_sTitle;
 110     }
 111
 112
 113
 114     private String getArticleWiki()
 115         throws java.io.IOException, WikiCancelException
 116     {
 117         String sWikiCode = null;
 118
 119         if ( m_aHostConfig != null )
 120         {
 121             URI aURI = new URI( m_aMainURI.toString() + "index.php?title=" + m_sTitle + "&action=edit", false );
 122             GetMethod aRequest = new GetMethod( aURI.getEscapedPathQuery() );
 123
 124             Helper.ExecuteMethod( aRequest, m_aHostConfig, aURI, m_xContext, false );
 125
 126             int nResultCode = aRequest.getStatusCode();
 127             String sWebPage = null;
 128             if ( nResultCode == 200 )
 129                 sWebPage = aRequest.getResponseBodyAsString();
 130
 131             aRequest.releaseConnection();
 132
 133             if ( sWebPage != null )
 134             {
 135                 StringReader r = new StringReader(sWebPage);
 136                 HTMLEditorKit.Parser parse = Helper.GetHTMLParser();
 137                 EditPageParser callback = new EditPageParser();
 138
 139                 parse.parse(r,callback,true);
 140                 m_sEditTime = callback.m_sEditTime;
 141                 m_sEditToken = callback.m_sEditToken;
 142
 143                 int iPosStart = callback.m_nWikiArticleStart;
 144                 int iPosEnd = callback.m_nWikiArticleEnd;
 145
 146                 if ( iPosStart >= 0 && iPosEnd > 0 )
 147                 {
 148                     String sArticle = sWebPage.substring(iPosStart, iPosEnd);
 149                     iPosStart = sArticle.indexOf('>') + 1;
 150                     sWikiCode = sArticle.substring( iPosStart, sArticle.length() );
 151                 }
 152             }
 153         }
 154
 155         return sWikiCode;
 156     }
 157
 158     private void InitArticleHTML()
 159         throws java.io.IOException, WikiCancelException
 160     {
 161         if ( m_aHostConfig != null )
 162         {
 163             URI aURI = new URI( m_aMainURI.toString() + "index.php?title=" + m_sTitle, false );
 164             GetMethod aRequest = new GetMethod( aURI.getEscapedPathQuery() );
 165
 166             Helper.ExecuteMethod( aRequest, m_aHostConfig, aURI, m_xContext, false );
 167
 168             int nResultCode = aRequest.getStatusCode();
 169             String sWebPage = null;
 170             if ( nResultCode == 200 )
 171                 sWebPage = aRequest.getResponseBodyAsString();
 172
 173             if ( sWebPage != null )
 174             {
 175                 StringReader r = new StringReader(sWebPage);
 176                 HTMLEditorKit.Parser parse = Helper.GetHTMLParser();
 177                 EditPageParser callback = new EditPageParser();
 178
 179                 parse.parse(r,callback,true);
 180
 181                 int iPosStart = callback.m_nHTMLArticleStart;
 182                 int iPosEnd = callback.m_nHTMLArticleEnd;
 183                 int nPosNoArt = callback.m_nNoArticleInd;
 184
 185                 if ( iPosStart >= 0 && iPosEnd > 0 )
 186                 {
 187                     m_sHTMLCode = sWebPage.substring(iPosStart, iPosEnd);
 188                     m_bNoArticle = ( nPosNoArt >= 0 && nPosNoArt >= iPosStart && nPosNoArt <= iPosEnd );
 189                 }
 190             }
 191         }
 192     }
 193
 194     protected boolean setArticle( String sWikiCode, String sWikiComment, boolean bMinorEdit )
 195         throws java.io.IOException, WikiCancelException
 196     {
 197         boolean bResult = false;
 198
 199         if ( m_aHostConfig != null && sWikiCode != null && sWikiComment != null )
 200         {
 201             // get the edit time and token
 202             getArticleWiki();
 203
 204             URI aURI = new URI( m_aMainURI.getPath() + "index.php?title=" + m_sTitle + "&action=submit", false );
 205             PostMethod aPost = new PostMethod();
 206             aPost.setPath( aURI.getEscapedPathQuery() );
 207
 208             aPost.addParameter( "wpTextbox1", sWikiCode );
 209             aPost.addParameter( "wpSummary", sWikiComment );
 210             aPost.addParameter( "wpSection", "" );
 211             aPost.addParameter( "wpEdittime", m_sEditTime );
 212             aPost.addParameter( "wpSave", "Save page" );
 213             aPost.addParameter( "wpEditToken", m_sEditToken );
 214
 215             if ( bMinorEdit )
 216                 aPost.addParameter( "wpMinoredit", "1" );
 217
 218             Helper.ExecuteMethod( aPost, m_aHostConfig, aURI, m_xContext, false );
 219
 220             int nResultCode = aPost.getStatusCode();
 221             if ( nResultCode < 400 )
 222                 bResult = true;
 223
 224             String aResult = aPost.getResponseBodyAsString();
 225
 226             // TODO: remove the debug printing, try to detect the error
 227             System.out.print( "nSubmitCode = " + nResultCode + "\n===\n" + aResult );
 228         }
 229
 230         return bResult;
 231     }
 232
 233     private boolean Login()
 234         throws java.io.IOException, WikiCancelException
 235     {
 236         m_aHostConfig = Helper.Login( m_aMainURI, m_sWikiUser, m_sWikiPass, m_xContext );
 237         return ( m_aHostConfig != null );
 238     }
 239
 240
 241
 242
 243     protected boolean NotExist()
 244     {
 245         boolean bResult = true;
 246         if ( m_sHTMLCode != null )
 247             bResult = m_bNoArticle;
 248
 249         return bResult;
 250     }
 251
 252 }