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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
 * 
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License. You can obtain
 * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
 * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
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 * 
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
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 * Header, with the fields enclosed by brackets [] replaced by your own
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 * elects to include this software in this distribution under the [CDDL or GPL
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package com.sun.tools.xjc.api;

import com.sun.tools.xjc.api.impl.j2s.JavaCompilerImpl;
import com.sun.tools.xjc.api.impl.s2j.SchemaCompilerImpl;
import com.sun.xml.bind.api.impl.NameConverter;

/**
 * Entry point to the programatic API to access
 * schema compiler (XJC) and schema generator (schemagen).
 *
 * @author
 *     Kohsuke Kawaguchi ([email protected])
 */
public final class XJC {
    /**
     * Gets a fresh {@link JavaCompiler}.
     * 
     * @return
     *      always return non-null object.
     */
    public static JavaCompiler createJavaCompiler() {
        return new JavaCompilerImpl();
    }

    /**
     * Gets a fresh {@link SchemaCompiler}.
     * 
     * @return
     *      always return non-null object.
     */
    public static SchemaCompiler createSchemaCompiler() {
        return new SchemaCompilerImpl();
    }

    /**
     * Computes the namespace URI -> package name conversion
     * as specified by the JAXB spec.
     *
     * @param namespaceUri
     *      Namespace URI. Can be empty, but must not be null.
     * @return
     *      A Java package name (e.g., "foo.bar"). "" to represent the root package.
     *      This method returns null if the method fails to derive the package name
     *      (there are certain namespace URIs with which this algorithm does not
     *      work --- such as ":::" as the URI.)
     */
    public static String getDefaultPackageName( String namespaceUri ) {
        if(namespaceUri==null)   throw new IllegalArgumentException();
        return NameConverter.standard.toPackageName( namespaceUri );
    }
}