/*
* Copyright 2006 the original author or authors.
- *
+ *
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
- *
+ *
* http://www.apache.org/licenses/LICENSE-2.0
- *
+ *
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
-
package org.wamblee.general;
-import java.io.IOException;
import java.io.File;
-import java.net.URLClassLoader;
-import java.net.URL;
+import java.io.IOException;
+
import java.lang.reflect.Method;
+import java.net.URL;
+import java.net.URLClassLoader;
+
+
/**
* Utility for working with the class loader. Based on the ClassPathHacker
- * example found on the internet.
+ * example found on the internet.
*/
public class ClassLoaderUtils {
-
// No logging in this class to keep the required class libraries
// limited to the standard java classes. This allows use of the
// utilities in an environment with a very limited classpath.
-
private static final String JAR_SUFFIX = ".jar";
/**
- * Adds all jars in the given directory to the class path.
- * @param aDirectory Directory.
+ * Adds all jars in the given directory to the class path.
+ * @param aDirectory Directory.
* @throws IOException
*/
- public static void addJarsInDirectory(File aDirectory) throws IOException {
+ public static void addJarsInDirectory(File aDirectory)
+ throws IOException {
System.out.println("directory '" + aDirectory + "'");
for (File aFile : aDirectory.listFiles()) {
- System.out
- .println("Considering '" + aFile.getCanonicalPath() + "'");
+ System.out.println("Considering '" + aFile.getCanonicalPath() +
+ "'");
+
if (aFile.getName().toLowerCase().endsWith(JAR_SUFFIX)) {
- System.out.println("Adding '" + aFile.getCanonicalPath()
- + "' to classpath.");
+ System.out.println("Adding '" + aFile.getCanonicalPath() +
+ "' to classpath.");
addFile(aFile);
}
}
/**
* Adds a file to the classpath.
- * @param aFilename Filename to add.
+ * @param aFilename Filename to add.
* @throws IOException
*/
public static void addFile(String aFilename) throws IOException {
}
/**
- * Adds a file to the classpath.
- * @param aFile File to add.
+ * Adds a file to the classpath.
+ * @param aFile File to add.
* @throws IOException
*/
public static void addFile(File aFile) throws IOException {
/**
* Adds a url to the classpath.
- * @param aUrl Url to add.
+ * @param aUrl Url to add.
* @throws IOException
*/
public static void addURL(URL aUrl) throws IOException {
-
- URLClassLoader sysloader = (URLClassLoader) ClassLoader
- .getSystemClassLoader();
+ URLClassLoader sysloader = (URLClassLoader) ClassLoader.getSystemClassLoader();
Class sysclass = URLClassLoader.class;
try {
- Method method = sysclass.getDeclaredMethod("addURL", new Class[]{ URL.class } );
+ Method method = sysclass.getDeclaredMethod("addURL",
+ new Class[] { URL.class });
method.setAccessible(true);
method.invoke(sysloader, new Object[] { aUrl });
} catch (Throwable t) {
t.printStackTrace();
throw new IOException(
- "Error, could not add URL to system classloader");
+ "Error, could not add URL to system classloader");
}
-
}
-
}