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#634 - Refactor internal class path scanning to use avaje-classpath-scanner-api / avaje-classpath-scanner

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Robin Bygrave
2016-04-01 16:43:59 +13:00
parent d25123eb23
commit e5179432a0
10 changed files with 76 additions and 825 deletions
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src/test/java/com/avaje/ebeaninternal/server/util/ClassPathSearchTests.java
-117
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@@ -1,117 +0,0 @@
package com.avaje.ebeaninternal.server.util;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.List;
import java.util.jar.JarEntry;
import java.util.jar.JarOutputStream;
import org.apache.commons.io.IOUtils;
import org.junit.Assert;
import org.junit.Test;
/**
* This ensures that the ClassPathSearch supports normal file:file.jar files as well as jar/war files
* with bang paths. Bang paths typically look like this as a url:
*
* jar:file:/path/to/file.war!/WEB-INF/classes
*
* author: Richard Vowles - http://plus.google.com/RichardVowles
*/
public class ClassPathSearchTests {
private static final String WEB_INF_CLASSES = "WEB-INF/classes/";
private void runAsserts(List<Class<?>> found, URLClassLoader cl, ClassPathSearch search,
URL jar, URL jarBang) throws ClassNotFoundException {
assert found.size() == 2;
assert found.contains(cl.loadClass(SimpleJarBangClass.class.getName()));
assert found.contains(cl.loadClass(SimpleJarClass.class.getName()));
assert search.getJarHits().contains(new File(jar.getFile()).getName());
assert search.getJarHits().contains(new File(jarBang.getFile().split("!")[0]).getName());
}
@Test
public void ensureClassPathFindsClassesInBangPaths() throws IOException, ClassNotFoundException {
URL jar = setupJar();
URL jarBang = setupJarBang();
URLClassLoader cl = new URLClassLoader(new URL[] { jar, jarBang});
ClassPathSearchFilter filter = new ClassPathSearchFilter();
filter.includePackage("com.avaje.ebeaninternal.server");
filter.includeJar("WEB-INF");
filter.setDefaultJarMatch(false);
ClassPathSearch search = new ClassPathSearch();
search.init(cl, filter, new ClassPathSearchMatcher() {
@Override
public boolean isMatch(Class<?> cls) {
return true;
}
}, null);
List<Class<?>> found = search.findClasses();
Assert.assertEquals(1, found.size());
Assert.assertTrue(found.contains(cl.loadClass(SimpleJarBangClass.class.getName())));
Assert.assertTrue(search.getJarHits().contains(new File(jarBang.getFile().split("!")[0]).getName()));
filter = new ClassPathSearchFilter();
filter.includePackage("com.avaje.ebeaninternal.server");
filter.includeJar("bang");
search = new ClassPathSearch();
search.init(cl, filter, new ClassPathSearchMatcher() {
@Override
public boolean isMatch(Class<?> cls) {
return true;
}
},null);
runAsserts(search.findClasses(), cl, search, jar, jarBang);
}
private URL createJar(Class<?> clazz, File jarFile, String offset) throws IOException {
FileOutputStream stream = new FileOutputStream(jarFile);
JarOutputStream jarOutputStream = new JarOutputStream(stream);
String clazzPath = clazz.getPackage().getName().replace(".", "/") + "/" + clazz.getSimpleName() + ".class";
JarEntry entry = new JarEntry(offset + clazzPath);
jarOutputStream.putNextEntry(entry);
InputStream classStream = getClass().getResourceAsStream("/" + clazzPath);
IOUtils.copy(classStream, jarOutputStream);
if (offset != null) { // copy the same file in, with a different offset
entry = new JarEntry("random/" + clazzPath);
jarOutputStream.putNextEntry(entry);
classStream = getClass().getResourceAsStream("/" + clazzPath);
IOUtils.copy(classStream, jarOutputStream);
}
jarOutputStream.close();
stream.close();
if (offset.length() > 0) {
return new URL("jar:" + jarFile.toURI().toString() + "!/" + offset);
} else {
return jarFile.toURI().toURL();
}
}
private URL setupJarBang() throws IOException {
File jarFile = File.createTempFile("bang", ".war");
return createJar(SimpleJarBangClass.class, jarFile, WEB_INF_CLASSES);
}
private URL setupJar() throws IOException {
File jarFile = File.createTempFile("nobang", ".jar");
return createJar(SimpleJarClass.class, jarFile, "");
}
}