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-rw-r--r--src/java/com/jogamp/common/util/IOUtil.java86
1 files changed, 67 insertions, 19 deletions
diff --git a/src/java/com/jogamp/common/util/IOUtil.java b/src/java/com/jogamp/common/util/IOUtil.java
index 5b00fb4..79ee62a 100644
--- a/src/java/com/jogamp/common/util/IOUtil.java
+++ b/src/java/com/jogamp/common/util/IOUtil.java
@@ -35,17 +35,21 @@ import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
+import java.security.AccessController;
import java.net.JarURLConnection;
-import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.nio.ByteBuffer;
+import jogamp.common.Debug;
+
import com.jogamp.common.nio.Buffers;
import com.jogamp.common.os.MachineDescription;
import com.jogamp.common.os.Platform;
public class IOUtil {
+ private static final boolean DEBUG = Debug.isPropertyDefined("jogamp.debug.IOUtil", true, AccessController.getContext());
+
private IOUtil() {}
/***
@@ -219,25 +223,39 @@ public class IOUtil {
/**
* Locating a resource using 'getResource(String path, ClassLoader cl)',
- * with the given context's ClassLoader and the resourcePath as is,
- * as well with the context's package name-path plus the resourcePath.
+ * with the
+ * <ul>
+ * <li>context's package name-path plus the resourcePath (incl. JAR/Applets)</li>
+ * <li>context's ClassLoader and the resourcePath as is (filesystem)</li>
+ * </ul>
*
* @see #getResource(String, ClassLoader)
*/
- public static URL getResource(Class context, String resourcePath) {
+ public static URL getResource(Class<?> context, String resourcePath) {
if(null == resourcePath) {
return null;
}
ClassLoader contextCL = (null!=context)?context.getClassLoader():null;
- URL url = getResource(resourcePath, contextCL);
- if (url == null && null!=context) {
- // Try again by scoping the path within the class's package
+ URL url = null;
+ if(null != context) {
+ // scoping the path within the class's package
String className = context.getName().replace('.', '/');
int lastSlash = className.lastIndexOf('/');
if (lastSlash >= 0) {
String tmpPath = className.substring(0, lastSlash + 1) + resourcePath;
url = getResource(tmpPath, contextCL);
}
+ if(DEBUG) {
+ System.err.println("IOUtil: found <"+resourcePath+"> within class package: "+(null!=url));
+ }
+ } else if(DEBUG) {
+ System.err.println("IOUtil: null context");
+ }
+ if(null == url) {
+ url = getResource(resourcePath, contextCL);
+ if(DEBUG) {
+ System.err.println("IOUtil: found <"+resourcePath+"> by classloader: "+(null!=url));
+ }
}
return url;
}
@@ -251,39 +269,55 @@ public class IOUtil {
* @see URL#URL(String)
* @see File#File(String)
*/
+ @SuppressWarnings("deprecation")
public static URL getResource(String resourcePath, ClassLoader cl) {
if(null == resourcePath) {
return null;
}
+ if(DEBUG) {
+ System.err.println("IOUtil: locating <"+resourcePath+">, has cl: "+(null!=cl));
+ }
URL url = null;
if (cl != null) {
url = cl.getResource(resourcePath);
- if(!urlExists(url)) {
+ if(!urlExists(url, "cl.getResource()")) {
url = null;
- }
- }
+ }
+ }
if(null == url) {
url = ClassLoader.getSystemResource(resourcePath);
- if(!urlExists(url)) {
+ if(!urlExists(url, "cl.getSystemResource()")) {
url = null;
- }
+ }
}
if(null == url) {
try {
url = new URL(resourcePath);
- if(!urlExists(url)) {
+ if(!urlExists(url, "new URL()")) {
url = null;
}
- } catch (MalformedURLException e) { }
+ } catch (Throwable e) {
+ if(DEBUG) {
+ System.err.println("IOUtil: Catched Exception:");
+ e.printStackTrace();
+ }
+ }
}
if(null == url) {
try {
File file = new File(resourcePath);
if(file.exists()) {
url = file.toURL();
- } else {
}
- } catch (MalformedURLException e) {}
+ } catch (Throwable e) {
+ if(DEBUG) {
+ System.err.println("IOUtil: Catched Exception:");
+ e.printStackTrace();
+ }
+ }
+ if(DEBUG) {
+ System.err.println("IOUtil: file.exists("+resourcePath+") - "+(null!=url));
+ }
}
return url;
}
@@ -339,13 +373,27 @@ public class IOUtil {
* Returns true, if the URL exists and a connection could be opened.
*/
public static boolean urlExists(URL url) {
+ return urlExists(url, ".");
+ }
+
+ public static boolean urlExists(URL url, String dbgmsg) {
boolean v = false;
if(null!=url) {
try {
- URLConnection uc = url.openConnection();
+ url.openConnection();
v = true;
- } catch (IOException ioe) { }
- }
+ if(DEBUG) {
+ System.err.println("IOUtil: urlExists("+url+") ["+dbgmsg+"] - true");
+ }
+ } catch (IOException ioe) {
+ if(DEBUG) {
+ System.err.println("IOUtil: urlExists("+url+") ["+dbgmsg+"] - false: "+ioe.getMessage());
+ }
+ }
+ } else if(DEBUG) {
+ System.err.println("IOUtil: no url - urlExists(null) ["+dbgmsg+"]");
+ }
+
return v;
}
}