|
|||||||||||||||||||
30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover | |||||||||||||||||||
Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
TagIntrospector.java | 0% | 0% | 0% | 0% |
|
1 |
package xjavadoc.tags;
|
|
2 |
|
|
3 |
import java.util.List;
|
|
4 |
import java.util.ArrayList;
|
|
5 |
import java.util.Iterator;
|
|
6 |
import java.util.StringTokenizer;
|
|
7 |
import java.util.jar.Manifest;
|
|
8 |
import java.util.jar.JarFile;
|
|
9 |
import java.util.jar.Attributes;
|
|
10 |
import java.io.File;
|
|
11 |
import java.io.FileInputStream;
|
|
12 |
import java.io.IOException;
|
|
13 |
import java.net.URLClassLoader;
|
|
14 |
import java.net.URL;
|
|
15 |
import java.net.MalformedURLException;
|
|
16 |
import java.beans.BeanInfo;
|
|
17 |
import java.beans.Introspector;
|
|
18 |
import java.beans.IntrospectionException;
|
|
19 |
|
|
20 |
import xjavadoc.XTagFactory;
|
|
21 |
import xjavadoc.XTag;
|
|
22 |
|
|
23 |
/**
|
|
24 |
* This class introspects the classpath and registers tags.
|
|
25 |
*
|
|
26 |
* @author Aslak Hellesøy
|
|
27 |
* @version $Revision: 1.3 $
|
|
28 |
*/
|
|
29 |
public final class TagIntrospector { |
|
30 |
|
|
31 | 0 |
public void registerTags(String classpath, XTagFactory tagFactory ) { |
32 | 0 |
for( StringTokenizer st = new StringTokenizer(classpath, System.getProperty("path.separator") ); st.hasMoreTokens(); ) { |
33 | 0 |
File classpathElement = new File( st.nextToken() );
|
34 | 0 |
if( classpathElement.exists() ) {
|
35 | 0 |
List javaBeans = findJavaBeans( classpathElement ); |
36 | 0 |
registerTags( javaBeans, tagFactory ); |
37 |
} else {
|
|
38 | 0 |
System.out.println( classpathElement.getAbsolutePath() + " was on classpath, but doesn't exist." );
|
39 |
} |
|
40 |
} |
|
41 |
} |
|
42 |
|
|
43 | 0 |
private void registerTags(List javaBeans, XTagFactory tagFactory ) { |
44 | 0 |
for( Iterator i = javaBeans.iterator(); i.hasNext(); ) {
|
45 | 0 |
Class javaBean = (Class) i.next(); |
46 | 0 |
if( XTag.class.isAssignableFrom( javaBean ) ) { |
47 | 0 |
try {
|
48 | 0 |
BeanInfo beanInfo = Introspector.getBeanInfo( javaBean ); |
49 |
|
|
50 | 0 |
String tagName = beanInfo.getBeanDescriptor().getName(); |
51 | 0 |
tagFactory.registerTagClass( tagName, javaBean ); |
52 |
} catch( IntrospectionException e ) {
|
|
53 | 0 |
System.out.println("No BeanInfo for " + javaBean.getName() );
|
54 |
} |
|
55 |
} else {
|
|
56 |
// System.out.println( javaBean.getName() + " isn't a xjavadoc.XTag class. Ignoring" );
|
|
57 |
} |
|
58 |
} |
|
59 |
} |
|
60 |
|
|
61 |
|
|
62 |
/**
|
|
63 |
* Returns a collection of classes that are Java Beans. The Java Bean
|
|
64 |
* classes are found by looking at the MANIFEST.MF file.
|
|
65 |
*
|
|
66 |
* @param dirOrJar the directory of jar file containing the classes.
|
|
67 |
* @return a Collection of {@link Class}.
|
|
68 |
*/
|
|
69 | 0 |
private List findJavaBeans( File dirOrJar ) {
|
70 | 0 |
List result = new ArrayList();
|
71 |
|
|
72 | 0 |
try {
|
73 | 0 |
ClassLoader classLoader = new URLClassLoader( new URL[] {dirOrJar.toURL()}, getClass().getClassLoader() ); |
74 |
|
|
75 | 0 |
Manifest manifest = null;
|
76 | 0 |
if (dirOrJar.isDirectory()) {
|
77 | 0 |
try {
|
78 | 0 |
manifest = new Manifest(new FileInputStream(new File(dirOrJar, "META-INF/MANIFEST.MF"))); |
79 |
} catch (IOException e) {
|
|
80 |
// Ignore. There was no Manifest here.
|
|
81 |
} |
|
82 |
} else {
|
|
83 | 0 |
try {
|
84 | 0 |
JarFile jarFile = new JarFile(dirOrJar);
|
85 |
|
|
86 | 0 |
manifest = jarFile.getManifest(); |
87 |
} catch (IOException e) {
|
|
88 |
// Ignore. Wasn't a jar file.
|
|
89 |
} |
|
90 |
} |
|
91 |
|
|
92 | 0 |
if (manifest != null) { |
93 |
// Now loop over all entries in the Manifest.
|
|
94 | 0 |
for (Iterator entryNames = manifest.getEntries().keySet().iterator(); entryNames.hasNext();) {
|
95 | 0 |
String entryName = (String) entryNames.next(); |
96 |
// Is it a class?
|
|
97 | 0 |
if (entryName.endsWith(".class")) { |
98 | 0 |
Attributes attributes = manifest.getAttributes(entryName); |
99 |
// See if it's a java bean.
|
|
100 | 0 |
String javaBean = attributes.getValue("Java-Bean");
|
101 |
|
|
102 | 0 |
if ("true".equalsIgnoreCase(javaBean)) { |
103 |
// OK. Get the BeanInfo.
|
|
104 | 0 |
String className = entryName.substring(0, entryName.length() - 6); |
105 |
|
|
106 | 0 |
className = className.replace('/', '.'); |
107 |
|
|
108 |
// Load the class
|
|
109 | 0 |
try {
|
110 | 0 |
Class beanClass = classLoader.loadClass(className); |
111 | 0 |
result.add( beanClass ); |
112 |
} catch (ClassNotFoundException e) {
|
|
113 | 0 |
String errorMessage = className |
114 |
+ " was declared as a Java-Bean in the manifest, but the class was not found.";
|
|
115 |
|
|
116 | 0 |
e.printStackTrace(); |
117 | 0 |
throw new IllegalStateException(errorMessage); |
118 |
} |
|
119 |
} |
|
120 |
} |
|
121 |
} |
|
122 |
} |
|
123 | 0 |
return result;
|
124 |
} catch( MalformedURLException e ) {
|
|
125 | 0 |
throw new IllegalStateException(e.getMessage()); |
126 |
} |
|
127 |
} |
|
128 |
} |
|
129 |
|
|