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/***
 * ASM XML Adapter
 * Copyright (c) 2004-2011, Eugene Kuleshov
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the copyright holders nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.objectweb.asm.xml;

import org.objectweb.asm.ModuleVisitor;
import org.objectweb.asm.Opcodes;
import org.xml.sax.helpers.AttributesImpl;

/**
 * Generate SAX event for a module description.
 * 
 * @author Remi Forax
 */
public final class SAXModuleAdapter extends ModuleVisitor {

    private final SAXAdapter sa;

    public SAXModuleAdapter(final SAXAdapter sa) {
        super(Opcodes.ASM6);
        this.sa = sa;
    }

    @Override
    public void visitRequire(String module, int access) {
        AttributesImpl att = new AttributesImpl();
        StringBuilder sb = new StringBuilder();
        SAXClassAdapter.appendAccess(access, sb);
        att.addAttribute("", "module", "module", "", module);
        att.addAttribute("", "access", "access", "", sb.toString());
        sa.addElement("requires", att);
    }
    
    @Override
    public void visitExport(String packaze, String... modules) {
        AttributesImpl att = new AttributesImpl();
        att.addAttribute("", "name", "name", "", packaze);
        sa.addStart("exports", att);
        if (modules != null && modules.length > 0) {
            for(String to: modules) {
                AttributesImpl atts = new AttributesImpl();
                atts.addAttribute("", "module", "module", "", to);
                sa.addElement("to", atts);
            }
        }
        sa.addEnd("exports");
    }

    @Override
    public void visitUse(String service) {
        AttributesImpl att = new AttributesImpl();
        att.addAttribute("", "service", "service", "", service);
        sa.addElement("uses", att);
    }
    
    @Override
    public void visitProvide(String service, String impl) {
        AttributesImpl att = new AttributesImpl();
        att.addAttribute("", "service", "service", "", service);
        att.addAttribute("", "impl", "impl", "", impl);
        sa.addElement("provides", att);
    }
    
    @Override
    public void visitEnd() {
        sa.addEnd("module");
    }
}