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.length() != 0 )
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 @Deprecated
119 public List<URL> getAsUrlList()
120 throws MalformedURLException
121 {
122 List<URL> urls = new ArrayList<URL>();
123 for ( String url : unmodifiableElements )
124 {
125 File f = new File( url );
126 urls.add( toURL( f ) );
127 }
128 return urls;
129 }
130
131 public void writeToSystemProperty( String propertyName )
132 {
133 StringBuilder sb = new StringBuilder();
134 for ( String element : unmodifiableElements )
135 {
136 sb.append( element )
137 .append( pathSeparatorChar );
138 }
139 System.setProperty( propertyName, sb.toString() );
140 }
141
142 public boolean equals( Object o )
143 {
144 if ( this == o )
145 {
146 return true;
147 }
148 if ( o == null || getClass() != o.getClass() )
149 {
150 return false;
151 }
152
153 Classpath classpath = (Classpath) o;
154
155 return unmodifiableElements.equals( classpath.unmodifiableElements );
156 }
157
158 public ClassLoader createClassLoader( ClassLoader parent, boolean childDelegation, boolean enableAssertions,
159 String roleName )
160 throws SurefireExecutionException
161 {
162 try
163 {
164 IsolatedClassLoader classLoader = new IsolatedClassLoader( parent, childDelegation, roleName );
165 for ( String classPathElement : unmodifiableElements )
166 {
167 classLoader.addURL( new File( classPathElement ).toURL() );
168 }
169 if ( parent != null )
170 {
171 parent.setDefaultAssertionStatus( enableAssertions );
172 }
173 classLoader.setDefaultAssertionStatus( enableAssertions );
174 return classLoader;
175 }
176 catch ( MalformedURLException e )
177 {
178 throw new SurefireExecutionException( "When creating classloader", e );
179 }
180 }
181
182 public int hashCode()
183 {
184 return unmodifiableElements.hashCode();
185 }
186
187 public String getLogMessage( String descriptor )
188 {
189 StringBuilder result = new StringBuilder();
190 result.append( descriptor ).append( " classpath:" );
191 for ( String element : unmodifiableElements )
192 {
193 result.append( " " ).append( element );
194 }
195 return result.toString();
196 }
197
198 public String getCompactLogMessage( String descriptor )
199 {
200 StringBuilder result = new StringBuilder();
201 result.append( descriptor ).append( " classpath:" );
202 for ( String element : unmodifiableElements )
203 {
204 result.append( " " );
205 if ( element != null )
206 {
207 int pos = element.lastIndexOf( File.separatorChar );
208 if ( pos >= 0 )
209 {
210 result.append( element.substring( pos + 1 ) );
211 }
212 else
213 {
214 result.append( element );
215 }
216
217 }
218 else
219 {
220 result.append( (String) null );
221 }
222 }
223 return result.toString();
224 }
225
226 public Iterator<String> iterator()
227 {
228 return unmodifiableElements.iterator();
229 }
230 }