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issue #39:java.lang.NullPointerException #44

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issue #39:java.lang.NullPointerException #44

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12 changes: 10 additions & 2 deletions src/main/java/io/xjar/boot/XBootClassLoader.java
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,10 @@
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.security.CodeSource;
import java.util.Enumeration;
import sun.misc.Resource;
import sun.misc.URLClassPath;

/**
* X类加载器
Expand All @@ -20,6 +23,7 @@
* 2018/11/23 23:04
*/
public class XBootClassLoader extends LaunchedURLClassLoader {
private final URLClassPath ucp;
private final XBootURLHandler xBootURLHandler;

static {
Expand All @@ -28,6 +32,7 @@ public class XBootClassLoader extends LaunchedURLClassLoader {

public XBootClassLoader(URL[] urls, ClassLoader parent, XDecryptor xDecryptor, XEncryptor xEncryptor, XKey xKey) throws Exception {
super(urls, parent);
this.ucp = new URLClassPath(urls);
this.xBootURLHandler = new XBootURLHandler(xDecryptor, xEncryptor, xKey, this);
}

Expand Down Expand Up @@ -58,15 +63,18 @@ protected Class<?> findClass(String name) throws ClassNotFoundException {
try {
return super.findClass(name);
} catch (ClassFormatError e) {
URL resource = findResource(name.replace('.', '/') + ".class");
String path = name.replace('.', '/').concat(".class");
URL resource = findResource(path);
if (resource == null) {
throw new ClassNotFoundException(name, e);
}
try (InputStream in = resource.openStream()) {
ByteArrayOutputStream bos = new ByteArrayOutputStream();
XKit.transfer(in, bos);
byte[] bytes = bos.toByteArray();
return defineClass(name, bytes, 0, bytes.length);
Resource res = ucp.getResource(path, false);
CodeSource cs = new CodeSource(res.getCodeSourceURL(), res.getCodeSigners());
return defineClass(name, bytes, 0, bytes.length, cs);
} catch (Throwable t) {
throw new ClassNotFoundException(name, t);
}
Expand Down