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1 package org.apache.archiva.webdav.util;
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22 import org.apache.archiva.repository.storage.StorageAsset;
23 import org.apache.commons.lang3.StringUtils;
24 import org.apache.jackrabbit.webdav.io.OutputContext;
25 import org.slf4j.Logger;
26 import org.slf4j.LoggerFactory;
27
28 import java.io.IOException;
29 import java.io.PrintWriter;
30 import java.nio.file.Path;
31 import java.nio.file.Paths;
32 import java.text.DateFormat;
33 import java.util.ArrayList;
34 import java.util.Comparator;
35 import java.util.Date;
36 import java.util.List;
37 import java.util.Locale;
38 import java.util.Map;
39 import java.util.SortedMap;
40 import java.util.TreeMap;
41
42
43
44 public class IndexWriter
45 {
46
47 private static final Logger log = LoggerFactory.getLogger( IndexWriter.class );
48
49 private final String logicalResource;
50
51 private final List<StorageAsset> repositoryAssets;
52
53
54 private final boolean isVirtual;
55
56 public IndexWriter( StorageAsset reference, String logicalResource )
57 {
58 this.repositoryAssets = new ArrayList<>( );
59 this.repositoryAssets.add(reference);
60 this.logicalResource = logicalResource;
61 this.isVirtual = false;
62 }
63
64 public IndexWriter( List<StorageAsset> localResources, String logicalResource )
65 {
66 this.logicalResource = logicalResource;
67 this.repositoryAssets = localResources;
68 this.isVirtual = true;
69 }
70
71 public void write( OutputContext outputContext )
72 {
73 outputContext.setModificationTime( new Date().getTime() );
74 outputContext.setContentType( "text/html" );
75 outputContext.setETag( "" );
76 if ( outputContext.hasStream() )
77 {
78 PrintWriter writer = new PrintWriter( outputContext.getOutputStream() );
79 writeDocumentStart( writer );
80 try
81 {
82 writeHyperlinks( writer );
83 }
84 catch ( IOException e )
85 {
86 log.error("Could not write hyperlinks {}", e.getMessage(), e);
87 }
88 writeDocumentEnd( writer );
89 writer.flush();
90 writer.close();
91 }
92 }
93
94 private void writeDocumentStart( PrintWriter writer )
95 {
96 writer.println("<!DOCTYPE html>");
97 writer.println( "<html>" );
98 writer.println( "<head>" );
99 writer.println( "<title>Collection: /" + logicalResource + "</title>" );
100 writer.println( "<style type=\"text/css\">" );
101 writer.println( "ul{list-style:none;}" );
102
103 StringBuilder relative = new StringBuilder("../../");
104 if ( logicalResource != null && logicalResource.length() > 0 )
105 {
106 String tmpRelative = StringUtils.replace( logicalResource, "\\", "/" );
107 for (int i=0;i<tmpRelative.split("/").length;i++)
108 {
109 relative.append("../");
110 }
111 }
112 writer.println( ".file{background:url(" + relative.toString() + "images/package-x-generic.png) no-repeat scroll 0 0 transparent;}" );
113 writer.println( ".folder{background:url(" + relative.toString() + "images/folder.png) no-repeat scroll 0 0 transparent;}" );
114 writer.println( "a{color:#0088CC;text-decoration: none;padding-left:20px;}" );
115 writer.println( ".collection tr:nth-child(odd){background-color:#fafafa;}" );
116 writer.println( "tr td:nth-child(2){width:150px;color:#cc8800;text-align:right;}" );
117 writer.println( "tr td:nth-child(3){width:150px;color:#0000cc;text-align:center;}" );
118 writer.println( "th td:nth-child(2){width:150px;}" );
119 writer.println( "th td:nth-child(3){width:150px;}" );
120 writer.println( "</style>" );
121 writer.println( "<link rel=\"shortcut icon\" href=\"../../favicon.ico\"/>" );
122 writer.println( "</head>" );
123 writer.println( "<body>" );
124 writer.println( "<h3>Collection: /" + logicalResource + "</h3>" );
125
126
127 if ( logicalResource != null && logicalResource.length() > 0 )
128 {
129 Path file = Paths.get( logicalResource );
130 String parentName = file.getParent() == null ? "/" : file.getParent().toString();
131
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133 parentName = StringUtils.replace( parentName, "\\", "/" );
134
135 writer.println( "<ul>" );
136 writer.println( "<li><a class=\"folder\" href=\"../\">" + parentName + "</a> <i><small>(Parent)</small></i></li>" );
137 writer.println( "</ul>" );
138 }
139
140 writer.println( "<table class=\"collection\">" );
141 writer.println( "<tr><th>Name</th><th>Size (Bytes)</th><th>Last Modified</th></tr>" );
142 }
143
144 private void writeDocumentEnd( PrintWriter writer )
145 {
146 writer.println( "</table>" );
147 writer.println( "</body>" );
148 writer.println( "</html>" );
149 }
150
151 private void writeHyperlinks( PrintWriter writer ) throws IOException
152 {
153 if ( !isVirtual )
154 {
155 for ( StorageAsset localResource : repositoryAssets )
156 {
157 localResource.list().stream().sorted(
158 Comparator.comparing( StorageAsset::getName )
159 ).forEach( asset -> {
160 writeHyperlink( writer, asset.getName(), asset.getModificationTime().toEpochMilli(), asset.getSize(),
161 asset.isContainer() );
162 } );
163 }
164 }
165 else
166 {
167
168 SortedMap<String, StorageAsset> uniqueChildFiles = new TreeMap<>();
169 for ( StorageAsset resource : repositoryAssets )
170 {
171 List<StorageAsset> files = resource.list();
172 for ( StorageAsset file : files )
173 {
174
175 if (!uniqueChildFiles.containsKey( file.getName() )) {
176 uniqueChildFiles.put(file.getName(), file);
177 }
178 }
179 }
180 for ( Map.Entry<String, StorageAsset> entry : uniqueChildFiles.entrySet())
181 {
182 final StorageAsset asset = entry.getValue();
183 writeHyperlink( writer, asset.getName(), asset.getModificationTime().toEpochMilli(),
184 asset.getSize(), asset.isContainer());
185 }
186 }
187 }
188
189 private static String fileDateFormat( long date )
190 {
191 DateFormat dateFormatter = DateFormat.getDateTimeInstance( DateFormat.SHORT, DateFormat.SHORT, Locale.getDefault() );
192 Date aDate = new Date( date );
193 return dateFormatter.format( aDate );
194 }
195
196 private void writeHyperlink( PrintWriter writer, String resourceName, long lastModified, long fileSize, boolean directory )
197 {
198 if ( directory )
199 {
200 writer.println( "<tr><td><a class=\"folder\" href=\"" + resourceName + "/\">" + resourceName + "</a></td><td> </td><td> </td></tr>" );
201 }
202 else
203 {
204 writer.println( "<tr><td><a class=\"file\" href=\"" + resourceName + "\">" + resourceName + "</a></td><td class=\"size\">" + fileSize + " </td><td class=\"date\">" + fileDateFormat( lastModified ) + "</td></tr>" );
205 }
206 }
207 }