ModuleUpdate


1   /*
2    * The contents of this file are subject to the terms of the Common Development
3    * and Distribution License (the License). You may not use this file except in
4    * compliance with the License.
5    *
6    * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7    * or http://www.netbeans.org/cddl.txt.
8    *
9    * When distributing Covered Code, include this CDDL Header Notice in each file
10   * and include the License file at http://www.netbeans.org/cddl.txt.
11   * If applicable, add the following below the CDDL Header, with the fields
12   * enclosed by brackets [] replaced by your own identifying information:
13   * "Portions Copyrighted [year] [name of copyright owner]"
14   *
15   * The Original Software is NetBeans. The Initial Developer of the Original
16   * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
17   * Microsystems, Inc. All Rights Reserved.
18   */
19  
20  package org.netbeans.updater;
21  
22  import java.io.File  ;
23  import java.io.InputStream  ;
24  import java.io.IOException  ;
25  import java.util.*;
26  import java.util.jar.*;
27  
28  import org.w3c.dom.*;
29  import org.xml.sax.*;
30  import javax.xml.parsers.*;
31  
32  /** This class represents one module update available on the web
33   *
34   * @author  Ales Kemr
35   * @version
36   */
37  class ModuleUpdate extends Object   {
38  
39      // Constants
40      private static final String   ATTR_CODENAMEBASE = "codenamebase"; // NOI18N
41  
42      /** Holds value of property codenamebase. */
43      private String   codenamebase = null;
44      /** Holds value of sv */
45      private String   specification_version = null;
46      
47      private boolean pError = false;
48  
49      private boolean l10n = false;
50      private boolean fromInstall = false;
51      
52      /** Creates new ModuleUpdate for downloaded .nbm file */
53      ModuleUpdate( File   nbmFile, boolean fromInstall ) {
54          this.fromInstall = fromInstall;
55          createFromDistribution( nbmFile );
56      }
57  
58      /** Creates module from downloaded .nbm file */
59      private void createFromDistribution( File   nbmFile ) {
60  
61          Document document = null;
62          Node node = null;
63          Element documentElement = null;
64          
65          // Try to parse the info file
66          JarFile jf = null;
67          InputStream   is = null;
68          boolean exit = false;
69          String   errorMessage = null;
70          try {
71              jf = new JarFile(nbmFile);
72              is = jf.getInputStream(jf.getEntry("Info/info.xml"));  // NOI18N
73              
74              InputSource xmlInputSource = new InputSource( is );
75              document = XMLUtil.parse( xmlInputSource, false, false, new ErrorCatcher(), XMLUtil.createAUResolver() );
76              
77              documentElement = document.getDocumentElement();
78              node = documentElement;
79              if (is != null)
80                  is.close();
81          }
82          catch ( org.xml.sax.SAXException   e ) {
83              errorMessage = "Bad info : " + nbmFile.getAbsolutePath (); // NOI18N
84              System.out.println(errorMessage);
85              e.printStackTrace ();
86              exit = true;
87          }            
88          catch ( java.io.IOException   e ) {
89              errorMessage = "Missing info : " + nbmFile.getAbsolutePath (); // NOI18N
90              System.out.println(errorMessage);
91              e.printStackTrace ();
92              exit = true;
93          }
94          finally {
95              try {
96                  if (is != null)
97                      is.close();
98                  if (jf != null)
99                      jf.close();
100             } catch ( IOException   ioe ) {
101                 ioe.printStackTrace();
102                 exit = true;
103             }
104         }
105         
106         if (exit) {
107             throw new RuntimeException   (errorMessage);
108         }
109 
110         setCodenamebase( getAttribute( node, ATTR_CODENAMEBASE ) );
111         NodeList nodeList = ((Element)node).getElementsByTagName( "l10n" ); // NOI18N
112 
113         if ( nodeList.getLength() > 0 ) {
114             l10n = true;
115             Node n = nodeList.item( 0 );            
116             setSpecification_version( getAttribute( n, "module_spec_version" ) );
117         } else {
118             nodeList = ((Element)node).getElementsByTagName( "manifest" ); // NOI18N
119 
120             for( int i = 0; i < nodeList.getLength(); i++ ) {
121 
122                 if ( nodeList.item( i ).getNodeType() != Node.ELEMENT_NODE ||
123                         !( nodeList.item( i ) instanceof Element ) ) {
124                     break;
125                 }
126 
127                 // ((Element)nodeList.item( i )).normalize();
128                 NamedNodeMap attrList = nodeList.item( i ).getAttributes();            
129                 for( int j = 0; j < attrList.getLength(); j++ ) {
130                     Attr attr = (Attr) attrList.item( j );
131                     if (attr.getName().equals("OpenIDE-Module"))  // NOI18N
132                         setCodenamebase(attr.getValue());
133                     else if (attr.getName().equals("OpenIDE-Module-Specification-Version"))  // NOI18N
134                         setSpecification_version(attr.getValue());
135                 }
136             }
137         }
138     }
139     
140     private String   getAttribute(Node n, String   attribute) {
141         Node attr = n.getAttributes().getNamedItem( attribute );
142         return attr == null ? null : attr.getNodeValue();
143     }
144 
145     /** Getter for property codeNameBase.
146      *@return Value of property codeNameBase.
147      */
148     String   getCodenamebase() {
149         return codenamebase;
150     }
151 
152     /** Setter for property Codenamebase.
153      *@param manufacturer New value of property Codenamebase.
154      */
155     void setCodenamebase(String   codenamebase) {
156         this.codenamebase = codenamebase;
157     }
158 
159     /** Getter for property specification_version.
160      *@return Value of property specification_version.
161      */
162     String   getSpecification_version() {
163         return specification_version;
164     }
165 
166     /** Setter for property specification_version.
167      *@param notification New value of property specification_version.
168      */
169     void setSpecification_version(String   specification_version) {        
170         this.specification_version = specification_version;        
171     }
172     
173     /** Getter for property l10n.
174      * @return Value of property l10n.
175      *
176      */
177     public boolean isL10n() {
178         return l10n;
179     }
180     
181     /** Getter for property fromInstall.
182      * @return Value of property fromInstall.
183      *
184      */
185     public boolean isFromInstall() {
186         return fromInstall;
187     }
188     
189     class ErrorCatcher implements org.xml.sax.ErrorHandler   {
190         private void message (String   level, org.xml.sax.SAXParseException   e) {
191             pError = true;
192         }
193 
194         public void error (org.xml.sax.SAXParseException   e) {
195             // normally a validity error
196             pError = true;
197         }
198 
199         public void warning (org.xml.sax.SAXParseException   e) {
200             //parseFailed = true;
201         }
202 
203         public void fatalError (org.xml.sax.SAXParseException   e) {
204             pError = true;
205         }
206     } //end of inner class ErrorPrinter
207     
208 }
209
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