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/*******************************************************************************
* Copyright (c) 2013 Igor Fedorenko
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Igor Fedorenko - initial API and implementation
*******************************************************************************/
package org.eclipse.m2e.core.internal.e44;
import java.lang.reflect.Method;
/**
* Reflection based adaptor that provides Equinox development classpath information and is meant to compensate for
* implementation changes between Equinox 3.9 and 3.10.
*
* @see http://dev.eclipse.org/mhonarc/lists/cross-project-issues-dev/msg09424.html
* @since 1.5
*/
public class DevClassPathHelper {
private static final String E43 = "org.eclipse.osgi.internal.baseadaptor.DevClassPathHelper";
private static final String E44 = "org.eclipse.core.internal.runtime.DevClassPathHelper";
@SuppressWarnings("unchecked")
private static <T> T invoke(String methodName, Class<T> returnType, Object... params) {
try {
ClassLoader cl = DevClassPathHelper.class.getClassLoader();
Class<?> helper;
try {
helper = cl.loadClass(E44);
} catch(ClassNotFoundException ex) {
helper = cl.loadClass(E43);
}
Class<?>[] paramTypes = null;
if(params != null) {
paramTypes = new Class<?>[params.length];
for(int i = 0; i < params.length; i++ ) {
paramTypes[i] = params[i].getClass();
}
}
Method method = helper.getMethod(methodName, paramTypes);
return (T) method.invoke(null, params);
} catch(Exception e) {
throw new RuntimeException(e);
}
}
public static String[] getDevClassPath(String bundleSymbolicName) {
return invoke("getDevClassPath", String[].class, bundleSymbolicName);
}
public static boolean inDevelopmentMode() {
return invoke("inDevelopmentMode", boolean.class);
}
}
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