1 package org.apache.maven.surefire.booter;
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22 import java.io.File;
23 import java.net.MalformedURLException;
24 import java.net.URL;
25 import java.util.ArrayList;
26 import java.util.Collection;
27 import java.util.Collections;
28 import java.util.Iterator;
29 import java.util.LinkedHashSet;
30 import java.util.List;
31
32 import static java.io.File.pathSeparatorChar;
33 import static org.apache.maven.surefire.util.internal.UrlUtils.toURL;
34
35
36
37
38
39
40
41
42
43
44 public class Classpath implements Iterable<String>
45 {
46 private final List<String> unmodifiableElements;
47
48 public static Classpath join( Classpath firstClasspath, Classpath secondClasspath )
49 {
50 LinkedHashSet<String> accumulated = new LinkedHashSet<String>( );
51 if ( firstClasspath != null )
52 {
53 firstClasspath.addTo( accumulated );
54 }
55 if ( secondClasspath != null )
56 {
57 secondClasspath.addTo( accumulated );
58 }
59 return new Classpath( accumulated );
60 }
61
62
63 private void addTo( Collection<String> c )
64 {
65 c.addAll( unmodifiableElements );
66 }
67
68 private Classpath()
69 {
70 this.unmodifiableElements = Collections.emptyList();
71 }
72
73
74 public Classpath( Classpath other, String additionalElement )
75 {
76 ArrayList<String> elems = new ArrayList<String>( other.unmodifiableElements );
77 elems.add( additionalElement );
78 unmodifiableElements = Collections.unmodifiableList( elems );
79 }
80
81 public Classpath( Collection<String> elements )
82 {
83 List<String> newCp = new ArrayList<String>( elements.size() );
84 for ( String element : elements )
85 {
86 element = element.trim();
87 if ( !element.isEmpty() )
88 {
89 newCp.add( element );
90 }
91 }
92 unmodifiableElements = Collections.unmodifiableList( newCp );
93 }
94
95 public static Classpath emptyClasspath()
96 {
97 return new Classpath();
98 }
99
100 public Classpath addClassPathElementUrl( String path )
101 {
102 if ( path == null )
103 {
104 throw new IllegalArgumentException( "Null is not a valid class path element url." );
105 }
106 return !unmodifiableElements.contains( path ) ? new Classpath( this, path ) : this;
107 }
108
109 public List<String> getClassPath()
110 {
111 return unmodifiableElements;
112 }
113
114
115
116
117
118
119
120
121 @Deprecated
122 public List<URL> getAsUrlList()
123 throws MalformedURLException
124 {
125 List<URL> urls = new ArrayList<URL>();
126 for ( String url : unmodifiableElements )
127 {
128 File f = new File( url );
129 urls.add( toURL( f ) );
130 }
131 return urls;
132 }
133
134 public void writeToSystemProperty( String propertyName )
135 {
136 StringBuilder sb = new StringBuilder();
137 for ( String element : unmodifiableElements )
138 {
139 sb.append( element )
140 .append( pathSeparatorChar );
141 }
142 System.setProperty( propertyName, sb.toString() );
143 }
144
145 @Override
146 public boolean equals( Object o )
147 {
148 if ( this == o )
149 {
150 return true;
151 }
152 if ( o == null || getClass() != o.getClass() )
153 {
154 return false;
155 }
156
157 Classpath classpath = (Classpath) o;
158
159 return unmodifiableElements.equals( classpath.unmodifiableElements );
160 }
161
162 public ClassLoader createClassLoader( boolean childDelegation, boolean enableAssertions, String roleName )
163 throws SurefireExecutionException
164 {
165 try
166 {
167 ClassLoader parent = SystemUtils.platformClassLoader();
168 IsolatedClassLoader classLoader = new IsolatedClassLoader( parent, childDelegation, roleName );
169 for ( String classPathElement : unmodifiableElements )
170 {
171 classLoader.addURL( new File( classPathElement ).toURL() );
172 }
173 if ( parent != null )
174 {
175 parent.setDefaultAssertionStatus( enableAssertions );
176 }
177 classLoader.setDefaultAssertionStatus( enableAssertions );
178 return classLoader;
179 }
180 catch ( MalformedURLException e )
181 {
182 throw new SurefireExecutionException( "When creating classloader", e );
183 }
184 }
185
186 @Override
187 public int hashCode()
188 {
189 return unmodifiableElements.hashCode();
190 }
191
192 public String getLogMessage( String descriptor )
193 {
194 StringBuilder result = new StringBuilder();
195 result.append( descriptor ).append( " classpath:" );
196 for ( String element : unmodifiableElements )
197 {
198 result.append( " " ).append( element );
199 }
200 return result.toString();
201 }
202
203 public String getCompactLogMessage( String descriptor )
204 {
205 StringBuilder result = new StringBuilder();
206 result.append( descriptor ).append( " classpath:" );
207 for ( String element : unmodifiableElements )
208 {
209 result.append( " " );
210 if ( element != null )
211 {
212 int pos = element.lastIndexOf( File.separatorChar );
213 if ( pos >= 0 )
214 {
215 result.append( element.substring( pos + 1 ) );
216 }
217 else
218 {
219 result.append( element );
220 }
221
222 }
223 else
224 {
225 result.append( (String) null );
226 }
227 }
228 return result.toString();
229 }
230
231 @Override
232 public Iterator<String> iterator()
233 {
234 return unmodifiableElements.iterator();
235 }
236 }