ToolProvider.java revision 658
553N/A * Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved. 0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 0N/A * This code is free software; you can redistribute it and/or modify it 0N/A * under the terms of the GNU General Public License version 2 only, as 553N/A * published by the Free Software Foundation. Oracle designates this 0N/A * particular file as subject to the "Classpath" exception as provided 553N/A * by Oracle in the LICENSE file that accompanied this code. 0N/A * This code is distributed in the hope that it will be useful, but WITHOUT 0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 0N/A * version 2 for more details (a copy is included in the LICENSE file that 0N/A * accompanied this code). 0N/A * You should have received a copy of the GNU General Public License version 0N/A * 2 along with this work; if not, write to the Free Software Foundation, 0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 553N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 553N/A * or visit www.oracle.com if you need additional information or have any 0N/A * Provides methods for locating tool providers, for example, 0N/A * providers of compilers. This class complements the 0N/A * functionality of {@link java.util.ServiceLoader}. 0N/A * @author Peter von der Ahé 0N/A * Define the system property "sun.tools.ToolProvider" to enable 0N/A * java ... -Dsun.tools.ToolProvider ... 0N/A // NOTE: do not make this method private as it affects stack traces 0N/A * Gets the Java™ programming language compiler provided 0N/A * with this platform. 0N/A * @return the compiler provided with this platform or 0N/A * {@code null} if no compiler is provided 0N/A * Returns the class loader for tools provided with this platform. 0N/A * This does not include user-installed tools. Use the 0N/A * {@linkplain java.util.ServiceLoader service provider mechanism} 0N/A * for locating user installed tools. 0N/A * @return the class loader for tools provided with this platform 0N/A * or {@code null} if no tools are provided 658N/A // Cache for tool classes. 658N/A // Use weak references to avoid keeping classes around unnecessarily 658N/A // Cache for tool classloader. 658N/A // Use a weak reference to avoid keeping it around unnecessarily 658N/A // try loading class directly, in case tool is on the bootclasspath 658N/A // if tool not on bootclasspath, look in default tools location (tools.jar) 658N/A // if tools not found, no point in trying a URLClassLoader 658N/A // so rethrow the original exception.