/*
* Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
/**
* Provides interfaces for tools which can be invoked from a program,
* for example, compilers.
*
* <p>These interfaces and classes are required as part of the
* Java™ Platform, Standard Edition (Java SE),
* but there is no requirement to provide any tools implementing them.
*
* <p>Unless explicitly allowed, all methods in this package might
* throw a {@linkplain java.lang.NullPointerException} if given a
* {@code null} argument or if given a
* {@linkplain java.lang.Iterable list or collection} containing
* {@code null} elements. Similarly, no method may return
* {@code null} unless explicitly allowed.
*
* <p>This package is the home of the Java programming language compiler framework. This
* framework allows clients of the framework to locate and run
* compilers from programs. The framework also provides Service
* Provider Interfaces (SPI) for structured access to diagnostics
* ({@linkplain javax.tools.DiagnosticListener}) as well as a file
* abstraction for overriding file access ({@linkplain
* javax.tools.JavaFileManager} and {@linkplain
* javax.tools.JavaFileObject}). See {@linkplain
* javax.tools.JavaCompiler} for more details on using the SPI.
*
* <p>There is no requirement for a compiler at runtime. However, if
* a default compiler is provided, it can be located using the
* {@linkplain javax.tools.ToolProvider}, for example:
*
* <p>{@code JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();}
*
* <p>It is possible to provide alternative compilers or tools
* through the {@linkplain java.util.ServiceLoader service provider
* mechanism}.
*
* <p>For example, if {@code com.vendor.VendorJavaCompiler} is a
* provider of the {@code JavaCompiler} tool then its jar file
* would contain the file {@code
* META-INF/services/javax.tools.JavaCompiler}. This file would
* contain the single line:
*
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