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package org.mule.module.ibeans.config; |
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import org.mule.config.AnnotationsConfigurationBuilder; |
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import org.mule.util.ClassUtils; |
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import org.mule.util.StringMessageUtils; |
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import org.mule.util.scan.ClasspathScanner; |
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import java.io.IOException; |
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import java.net.URL; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.Enumeration; |
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import java.util.List; |
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import java.util.Properties; |
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import java.util.StringTokenizer; |
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public abstract class AbstractAnnotationConfigurationBuilder extends AnnotationsConfigurationBuilder |
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{ |
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public static final String IBEANS_PROPERTIES = "META-INF/ibeans-app.properties"; |
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43 | 0 | public static final String[] DEFAULT_BASE_PACKAGE = new String[]{""}; |
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protected ClassLoader classLoader; |
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protected String[] basepackages; |
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public AbstractAnnotationConfigurationBuilder() |
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{ |
51 | 0 | this(DEFAULT_BASE_PACKAGE); |
52 | 0 | } |
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public AbstractAnnotationConfigurationBuilder(String... basepackages) |
55 | 0 | { |
56 | 0 | this.classLoader = Thread.currentThread().getContextClassLoader(); |
57 | 0 | this.basepackages = basepackages; |
58 | 0 | } |
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public AbstractAnnotationConfigurationBuilder(ClassLoader classLoader) |
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{ |
62 | 0 | this(classLoader, DEFAULT_BASE_PACKAGE); |
63 | 0 | } |
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public AbstractAnnotationConfigurationBuilder(ClassLoader classLoader, String... basepackages) |
66 | 0 | { |
67 | 0 | this.classLoader = classLoader; |
68 | 0 | this.basepackages = basepackages; |
69 | 0 | } |
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protected ClasspathScanner createClasspathScanner() throws IOException |
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{ |
73 | 0 | if(Arrays.equals(DEFAULT_BASE_PACKAGE, basepackages)) |
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{ |
75 | 0 | basepackages = findPackages(); |
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} |
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78 | 0 | String[] paths = convertPackagesToPaths(basepackages); |
79 | 0 | if(logger.isInfoEnabled()) logger.info("Scanning for annotations using the following paths: " + StringMessageUtils.toString(paths)); |
80 | 0 | return new ClasspathScanner(classLoader, paths); |
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} |
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protected abstract String getScanPackagesProperty(); |
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protected String[] convertPackagesToPaths(String[] packages) |
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{ |
87 | 0 | String[] paths = new String[packages.length]; |
88 | 0 | for (int i = 0; i < packages.length; i++) |
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{ |
90 | 0 | paths[i] = packages[i].replaceAll("[.]", "/"); |
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} |
92 | 0 | return paths; |
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} |
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protected String[] findPackages() throws IOException |
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{ |
96 | 0 | List<String> paths = new ArrayList<String>(); |
97 | 0 | Properties p = new Properties(); |
98 | 0 | Enumeration e = ClassUtils.getResources(IBEANS_PROPERTIES, getClass()); |
99 | 0 | boolean scanAll = false; |
100 | 0 | while (e.hasMoreElements()) |
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{ |
102 | 0 | URL url = (URL) e.nextElement(); |
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104 | 0 | if(logger.isInfoEnabled()) logger.info("reading packages from: " + url); |
105 | 0 | p.load(url.openStream()); |
106 | 0 | String path = p.getProperty(getScanPackagesProperty()); |
107 | 0 | if (path != null) |
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{ |
109 | 0 | for (StringTokenizer tokenizer = new StringTokenizer(path, ","); tokenizer.hasMoreTokens();) |
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{ |
111 | 0 | String s = tokenizer.nextToken(); |
112 | 0 | if("*".equals(s)) { |
113 | 0 | scanAll=true; |
114 | 0 | break; |
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} |
116 | 0 | paths.add(s.trim()); |
117 | 0 | } |
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} |
119 | 0 | } |
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121 | 0 | if (paths.size() == 0 || scanAll) |
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{ |
123 | 0 | return DEFAULT_BASE_PACKAGE; |
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} |
125 | 0 | return paths.toArray(new String[]{}); |
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} |
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} |