/***
 * 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 visitMainClass(String mainClass) {
    AttributesImpl att = new AttributesImpl();
    att.addAttribute("", "name", "name", "", mainClass);
    sa.addElement("main-class", att);
  }

  @Override
  public void visitPackage(String packaze) {
    AttributesImpl att = new AttributesImpl();
    att.addAttribute("", "name", "name", "", packaze);
    sa.addElement("packages", att);
  }

  @Override
  public void visitRequire(String module, int access, String version) {
    AttributesImpl att = new AttributesImpl();
    StringBuilder sb = new StringBuilder();
    SAXClassAdapter.appendAccess(access | SAXClassAdapter.ACCESS_MODULE, sb);
    att.addAttribute("", "module", "module", "", module);
    att.addAttribute("", "access", "access", "", sb.toString());
    if (version != null) {
      att.addAttribute("", "access", "access", "", version);
    }
    sa.addElement("requires", att);
  }

  @Override
  public void visitExport(String packaze, int access, String... modules) {
    AttributesImpl att = new AttributesImpl();
    StringBuilder sb = new StringBuilder();
    SAXClassAdapter.appendAccess(access | SAXClassAdapter.ACCESS_MODULE, sb);
    att.addAttribute("", "name", "name", "", packaze);
    att.addAttribute("", "access", "access", "", sb.toString());
    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 visitOpen(String packaze, int access, String... modules) {
    AttributesImpl att = new AttributesImpl();
    StringBuilder sb = new StringBuilder();
    SAXClassAdapter.appendAccess(access | SAXClassAdapter.ACCESS_MODULE, sb);
    att.addAttribute("", "name", "name", "", packaze);
    att.addAttribute("", "access", "access", "", sb.toString());
    sa.addStart("opens", 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("opens");
  }

  @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... providers) {
    AttributesImpl att = new AttributesImpl();
    att.addAttribute("", "service", "service", "", service);
    sa.addStart("provides", att);
    for (String provider : providers) {
      AttributesImpl atts = new AttributesImpl();
      atts.addAttribute("", "provider", "provider", "", provider);
      sa.addElement("with", atts);
    }
    sa.addEnd("provides");
  }

  @Override
  public void visitEnd() {
    sa.addEnd("module");
  }
}
