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helper method to resolve equinox 'resourcebundle' urls. 

git-svn-id: svn+ssh://dev.eclipse.org/svnroot/rt/org.eclipse.jetty/jetty/trunk@1559 7e9141cc-0065-0410-87d8-b60c137991c4
This commit is contained in:
Hugues Malphettes 2010-04-24 01:13:50 +00:00
parent 4966521a72
commit 5948ea79eb
2 changed files with 73 additions and 0 deletions
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3
jetty-osgi/jetty-osgi-boot/src/main/java/org/eclipse/jetty/osgi/boot/utils/internal/DefaultBundleClassLoaderHelper.java
View File

@ -14,6 +14,8 @@ package org.eclipse.jetty.osgi.boot.utils.internal;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.net.URL;
import java.net.URLConnection;
import org.eclipse.jetty.osgi.boot.utils.BundleClassLoaderHelper;
import org.osgi.framework.Bundle;
@ -180,4 +182,5 @@ public class DefaultBundleClassLoaderHelper implements BundleClassLoaderHelper
}
return null;
}
}

70
jetty-osgi/jetty-osgi-boot/src/main/java/org/eclipse/jetty/osgi/boot/utils/internal/DefaultFileLocatorHelper.java
View File

@ -14,6 +14,7 @@ package org.eclipse.jetty.osgi.boot.utils.internal;
import java.io.File;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.net.URI;
import java.net.URL;
import java.net.URLConnection;
@ -209,5 +210,74 @@ public class DefaultFileLocatorHelper implements BundleFileLocatorHelper
{ jasperLocation };
}
}
//introspection on equinox to invoke the getLocalURL method on BundleURLConnection
private static Method BUNDLE_URL_CONNECTION_getLocalURL = null;
private static Method BUNDLE_URL_CONNECTION_getFileURL = null;
/**
* Only useful for equinox: on felix we get the file:// or jar:// url already.
* Other OSGi implementations have not been tested
* <p>
* Get a URL to the bundle entry that uses a common protocol (i.e. file:
* jar: or http: etc.).
* </p>
* @return a URL to the bundle entry that uses a common protocol
*/
public static URL getLocalURL(URL url) {
if ("bundleresource".equals(url.getProtocol())) {
try {
URLConnection conn = url.openConnection();
if (BUNDLE_URL_CONNECTION_getLocalURL == null &&
conn.getClass().getName().equals(
"org.eclipse.osgi.framework.internal.core.BundleURLConnection")) {
BUNDLE_URL_CONNECTION_getLocalURL = conn.getClass().getMethod("getLocalURL", null);
BUNDLE_URL_CONNECTION_getLocalURL.setAccessible(true);
}
if (BUNDLE_URL_CONNECTION_getLocalURL != null) {
return (URL)BUNDLE_URL_CONNECTION_getLocalURL.invoke(conn, null);
}
} catch (Throwable t) {
t.printStackTrace();
}
}
return url;
}
/**
* Only useful for equinox: on felix we get the file:// url already.
* Other OSGi implementations have not been tested
* <p>
* Get a URL to the content of the bundle entry that uses the file: protocol.
* The content of the bundle entry may be downloaded or extracted to the local
* file system in order to create a file: URL.
* @return a URL to the content of the bundle entry that uses the file: protocol
* </p>
*/
public static URL getFileURL(URL url)
{
if ("bundleresource".equals(url.getProtocol()))
{
try
{
URLConnection conn = url.openConnection();
if (BUNDLE_URL_CONNECTION_getFileURL == null &&
conn.getClass().getName().equals(
"org.eclipse.osgi.framework.internal.core.BundleURLConnection"))
{
BUNDLE_URL_CONNECTION_getFileURL = conn.getClass().getMethod("getFileURL", null);
BUNDLE_URL_CONNECTION_getFileURL.setAccessible(true);
}
if (BUNDLE_URL_CONNECTION_getFileURL != null)
{
return (URL)BUNDLE_URL_CONNECTION_getFileURL.invoke(conn, null);
}
}
catch (Throwable t)
{
t.printStackTrace();
}
}
return url;
}
}