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1
17
18 package org.apache.avalon.repository.cli;
19
20 import java.io.File  ;
21 import java.io.FileFilter ;
22
23 import org.apache.avalon.repository.provider.InitialContext;
24
25 import org.apache.avalon.util.i18n.ResourceManager;
26 import org.apache.avalon.util.i18n.Resources;
27
28
29
35 public class RepositoryVerifier
36 {
37
41 private static Resources REZ =
42 ResourceManager.getPackageResources( RepositoryVerifier.class );
43
44 private static final String PADDING =
45 " ";
46
47
51 private final InitialContext m_context;
52
53 private final String m_root;
54
55
59
64 public RepositoryVerifier(
65 InitialContext context ) throws Exception
66 {
67 m_context = context;
68 m_root = m_context.getInitialCacheDirectory().toString();
69 }
70
71 void verify()
72 {
73 StringBuffer buffer =
74 new StringBuffer ( InitialContext.LINE );
75 buffer.append( "\nAvalon Repository" );
76 buffer.append( InitialContext.LINE );
77
78 prepareInfoListing( buffer );
79 buffer.append( InitialContext.LINE );
80
81 prepareContentListing( buffer );
82 buffer.append( InitialContext.LINE );
83
84 System.out.println( buffer.toString() );
85 }
86
87 private void prepareInfoListing( StringBuffer buffer )
88 {
89 buffer.append( "\n${avalon.repository.cache} = " );
90 buffer.append( m_context.getInitialCacheDirectory() );
91 buffer.append( "\n${avalon.dir} = " );
92 buffer.append( m_context.getInitialWorkingDirectory() );
93 String [] hosts = m_context.getInitialHosts();
94 buffer.append( "\n${avalon.repository.hosts} = (" );
95 buffer.append( hosts.length );
96 buffer.append( ")" );
97 for( int i=0; i<hosts.length; i++ )
98 {
99 buffer.append( "\n " + hosts[i] );
100 }
101 }
102
103 private void prepareContentListing( StringBuffer buffer )
104 {
105 File cache = m_context.getInitialCacheDirectory();
106 File [] groups = getGroups( cache );
107 int n = getGroupsWidth( groups );
108 for( int i=0; i<groups.length; i++ )
109 {
110 prepareGroupListing( buffer, groups[i], n );
111 }
112 }
113
114 private int getGroupsWidth( File [] groups )
115 {
116 int n = 0;
117 for( int i=0; i<groups.length; i++ )
118 {
119 File group = groups[i];
120 int j = group.toString().length();
121 if( j > n ) n = j;
122 }
123 return n;
124 }
125
126 private void prepareGroupListing( StringBuffer buffer, File file, int n )
127 {
128
129 int rootLength = m_root.length() + 1;
130 String path = file.toString();
131 String group = path.substring( rootLength );
132
133 int offset = n - rootLength + 3;
134 int padding = offset - group.length();
135 String pad = PADDING.substring( 0, padding );
136
137 buffer.append( "\n" );
138 buffer.append( " " + group + pad );
139 prepareTypeSummary( buffer, file );
140 }
141
142
147 private void prepareTypeSummary( StringBuffer buffer, File file )
148 {
149 File [] types = file.listFiles( new TypesFilter() );
150 for( int i=0; i<types.length; i++ )
151 {
152 File type = types[i];
153 String key = type.getName();
154 File [] versions = type.listFiles( new VersionedArtifactFilter( key ) );
155 if( i > 0 )
156 {
157 buffer.append( ", " );
158 }
159 else
160 {
161 buffer.append( " " );
162 }
163 buffer.append(
164 type.getName()
165 + ":"
166 + versions.length );
167 }
168
182 }
183
184
188 private File [] getGroups( File root )
189 {
190 return root.listFiles( new DirectoryFilter() );
191 }
192
193 private class TypesFilter implements FileFilter
194 {
195 public boolean accept( File file )
196 {
197 if( !file.isDirectory() ) return false;
198 final String type = file.getName();
199 File [] artifacts = file.listFiles( new ArtifactFilter( type ) );
200 return artifacts.length > 0;
201 }
202 }
203
204 private class DirectoryFilter implements FileFilter
205 {
206 public boolean accept( File file )
207 {
208 return file.isDirectory();
209 }
210 }
211
212 private class VersionedArtifactFilter extends ArtifactFilter
213 {
214 public VersionedArtifactFilter( String type )
215 {
216 super( type );
217 }
218 public boolean accept( File file )
219 {
220 return super.accept( file );
221 }
222 }
223
224 private class ArtifactFilter implements FileFilter
225 {
226 private String m_type;
227 public ArtifactFilter( String type )
228 {
229 int n = type.length();
230 m_type = type.substring( 0, n-1 );
231 }
232 public boolean accept( File file )
233 {
234 if( file.isDirectory() ) return false;
235
236 return file.getName().endsWith( m_type );
237 }
238 }
239 }
240 |
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