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1 package org.apache.archiva.webdav.util;
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22 import org.apache.commons.lang.StringUtils;
23 import org.apache.jackrabbit.webdav.DavResource;
24 import org.apache.jackrabbit.webdav.io.OutputContext;
25
26 import java.io.File;
27 import java.io.PrintWriter;
28 import java.text.DateFormat;
29 import java.util.ArrayList;
30 import java.util.Arrays;
31 import java.util.Collections;
32 import java.util.Date;
33 import java.util.HashMap;
34 import java.util.List;
35 import java.util.Locale;
36 import java.util.Map;
37
38
39
40 public class IndexWriter
41 {
42 private final String logicalResource;
43
44 private final List<File> localResources;
45
46 private final boolean isVirtual;
47
48 public IndexWriter( DavResource resource, File localResource, String logicalResource )
49 {
50 this.localResources = new ArrayList<>();
51 this.localResources.add( localResource );
52 this.logicalResource = logicalResource;
53 this.isVirtual = false;
54 }
55
56 public IndexWriter( DavResource resource, List<File> localResources, String logicalResource )
57 {
58 this.logicalResource = logicalResource;
59 this.localResources = localResources;
60 this.isVirtual = true;
61 }
62
63 public void write( OutputContext outputContext )
64 {
65 outputContext.setModificationTime( new Date().getTime() );
66 outputContext.setContentType( "text/html" );
67 outputContext.setETag( "" );
68 if ( outputContext.hasStream() )
69 {
70 PrintWriter writer = new PrintWriter( outputContext.getOutputStream() );
71 writeDocumentStart( writer );
72 writeHyperlinks( writer );
73 writeDocumentEnd( writer );
74 writer.flush();
75 writer.close();
76 }
77 }
78
79 private void writeDocumentStart( PrintWriter writer )
80 {
81 writer.println("<!DOCTYPE html>");
82 writer.println( "<html>" );
83 writer.println( "<head>" );
84 writer.println( "<title>Collection: /" + logicalResource + "</title>" );
85 writer.println( "<style type=\"text/css\">" );
86 writer.println( "ul{list-style:none;}" );
87
88 StringBuilder relative = new StringBuilder("../../");
89 if ( logicalResource != null && logicalResource.length() > 0 )
90 {
91 String tmpRelative = StringUtils.replace( logicalResource, "\\", "/" );
92 for (int i=0;i<tmpRelative.split("/").length;i++)
93 {
94 relative.append("../");
95 }
96 }
97 writer.println( ".file{background:url(" + relative.toString() + "images/package-x-generic.png) no-repeat scroll 0 0 transparent;}" );
98 writer.println( ".folder{background:url(" + relative.toString() + "images/folder.png) no-repeat scroll 0 0 transparent;}" );
99 writer.println( "a{color:#0088CC;text-decoration: none;padding-left:20px;}" );
100 writer.println( ".collection tr:nth-child(odd){background-color:#fafafa;}" );
101 writer.println( "tr td:nth-child(2){width:150px;color:#cc8800;text-align:right;}" );
102 writer.println( "tr td:nth-child(3){width:150px;color:#0000cc;text-align:center;}" );
103 writer.println( "th td:nth-child(2){width:150px;}" );
104 writer.println( "th td:nth-child(3){width:150px;}" );
105 writer.println( "</style>" );
106 writer.println( "<link rel=\"shortcut icon\" href=\"../../favicon.ico\"/>" );
107 writer.println( "</head>" );
108 writer.println( "<body>" );
109 writer.println( "<h3>Collection: /" + logicalResource + "</h3>" );
110
111
112 if ( logicalResource != null && logicalResource.length() > 0 )
113 {
114 File file = new File( logicalResource );
115 String parentName = file.getParent() == null ? "/" : file.getParent();
116
117
118 parentName = StringUtils.replace( parentName, "\\", "/" );
119
120 writer.println( "<ul>" );
121 writer.println( "<li><a class=\"folder\" href=\"../\">" + parentName + "</a> <i><small>(Parent)</small></i></li>" );
122 writer.println( "</ul>" );
123 }
124
125 writer.println( "<table class=\"collection\">" );
126 writer.println( "<tr><th>Name</th><th>Size (Bytes)</th><th>Last Modified</th></tr>" );
127 }
128
129 private void writeDocumentEnd( PrintWriter writer )
130 {
131 writer.println( "</table>" );
132 writer.println( "</body>" );
133 writer.println( "</html>" );
134 }
135
136 private void writeHyperlinks( PrintWriter writer )
137 {
138 if ( !isVirtual )
139 {
140 for ( File localResource : localResources )
141 {
142 List<File> files = new ArrayList<>( Arrays.asList( localResource.listFiles() ) );
143 Collections.sort( files );
144
145 for ( File file : files )
146 {
147 writeHyperlink( writer, file.getName(), file.lastModified(), file.length(), file.isDirectory() );
148 }
149 }
150 }
151 else
152 {
153
154 Map<String, List<String>> uniqueChildFiles = new HashMap<>();
155 List<String> sortedList = new ArrayList<>();
156 for ( File resource : localResources )
157 {
158 List<File> files = new ArrayList<>( Arrays.asList( resource.listFiles() ) );
159 for ( File file : files )
160 {
161 List<String> mergedChildFiles = new ArrayList<>();
162 if ( uniqueChildFiles.get( file.getName() ) == null )
163 {
164 mergedChildFiles.add( file.getAbsolutePath() );
165 }
166 else
167 {
168 mergedChildFiles = uniqueChildFiles.get( file.getName() );
169 if ( !mergedChildFiles.contains( file.getAbsolutePath() ) )
170 {
171 mergedChildFiles.add( file.getAbsolutePath() );
172 }
173 }
174 uniqueChildFiles.put( file.getName(), mergedChildFiles );
175 sortedList.add( file.getName() );
176 }
177 }
178
179 Collections.sort( sortedList );
180 List<String> written = new ArrayList<>();
181 for ( String fileName : sortedList )
182 {
183 List<String> childFilesFromMap = uniqueChildFiles.get( fileName );
184 for ( String childFilePath : childFilesFromMap )
185 {
186 File childFile = new File( childFilePath );
187 if ( !written.contains( childFile.getName() ) )
188 {
189 written.add( childFile.getName() );
190 writeHyperlink( writer, fileName, childFile.lastModified(), childFile.length(), childFile.isDirectory() );
191 }
192 }
193 }
194 }
195 }
196
197 private static String fileDateFormat( long date )
198 {
199 DateFormat dateFormatter = DateFormat.getDateTimeInstance( DateFormat.SHORT, DateFormat.SHORT, Locale.getDefault() );
200 Date aDate = new Date( date );
201 return dateFormatter.format( aDate );
202 }
203
204 private void writeHyperlink( PrintWriter writer, String resourceName, long lastModified, long fileSize, boolean directory )
205 {
206 if ( directory )
207 {
208 writer.println( "<tr><td><a class=\"folder\" href=\"" + resourceName + "/\">" + resourceName + "</a></td><td> </td><td> </td></tr>" );
209 }
210 else
211 {
212 writer.println( "<tr><td><a class=\"file\" href=\"" + resourceName + "\">" + resourceName + "</a></td><td class=\"size\">" + fileSize + " </td><td class=\"date\">" + fileDateFormat( lastModified ) + "</td></tr>" );
213 }
214 }
215 }