GenericFieldRenderer.java

/*
 * Copyright (c) 1997, 2012, 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
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package com.sun.tools.internal.xjc.generator.bean.field;

import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;

import com.sun.tools.internal.xjc.generator.bean.ClassOutlineImpl;
import com.sun.tools.internal.xjc.model.CPropertyInfo;
import com.sun.tools.internal.xjc.outline.FieldOutline;

/**
 * Creates
 *
 * @author
 *     Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
 */
public final class GenericFieldRenderer implements FieldRenderer {
    private Constructor constructor;

    public GenericFieldRenderer( Class fieldClass ) {
        try {
            constructor = fieldClass.getDeclaredConstructor(new Class[]{ClassOutlineImpl.class,CPropertyInfo.class});
        } catch (NoSuchMethodException e) {
            throw new NoSuchMethodError(e.getMessage());
        }
    }

    public FieldOutline generate(ClassOutlineImpl context, CPropertyInfo prop) {
        try {
            return (FieldOutline)constructor.newInstance(new Object[]{context,prop});
        } catch (InstantiationException e) {
            throw new InstantiationError(e.getMessage());
        } catch (IllegalAccessException e) {
            throw new IllegalAccessError(e.getMessage());
        } catch (InvocationTargetException e) {
            Throwable t = e.getTargetException();
            if(t instanceof RuntimeException)
                throw (RuntimeException)t;
            if(t instanceof Error)
                throw (Error)t;

            // impossible
            throw new AssertionError(t);
        }
    }

}