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.
/***
 * 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.AnnotationVisitor;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.Type;
import org.objectweb.asm.TypePath;
import org.xml.sax.helpers.AttributesImpl;

SAXAnnotationAdapter
Author:
Eugene Kuleshov/**
 * SAXAnnotationAdapter
 * 
 * @author Eugene Kuleshov
 */
public final class SAXAnnotationAdapter extends AnnotationVisitor {

    SAXAdapter sa;

    private final String elementName;

    public SAXAnnotationAdapter(final SAXAdapter sa, final String elementName,
            final int visible, final String name, final String desc) {
        this(Opcodes.ASM5, sa, elementName, visible, desc, name, -1, -1, null,
                null, null, null);
    }

    public SAXAnnotationAdapter(final SAXAdapter sa, final String elementName,
            final int visible, final int parameter, final String desc) {
        this(Opcodes.ASM5, sa, elementName, visible, desc, null, parameter, -1,
                null, null, null, null);
    }

    public SAXAnnotationAdapter(final SAXAdapter sa, final String elementName,
            final int visible, final String name, final String desc,
            final int typeRef, final TypePath typePath) {
        this(Opcodes.ASM5, sa, elementName, visible, desc, name, -1, typeRef,
                typePath, null, null, null);
    }

    public SAXAnnotationAdapter(final SAXAdapter sa, final String elementName,
            final int visible, final String name, final String desc,
            int typeRef, TypePath typePath, final String[] start,
            final String[] end, final int[] index) {
        this(Opcodes.ASM5, sa, elementName, visible, desc, name, -1, typeRef,
                typePath, start, end, index);
    }

    protected SAXAnnotationAdapter(final int api, final SAXAdapter sa,
            final String elementName, final int visible, final String desc,
            final String name, final int parameter) {
        this(api, sa, elementName, visible, desc, name, parameter, -1, null,
                null, null, null);
    }

    protected SAXAnnotationAdapter(final int api, final SAXAdapter sa,
            final String elementName, final int visible, final String desc,
            final String name, final int parameter, final int typeRef,
            final TypePath typePath, final String[] start, final String[] end,
            final int[] index) {
        super(api);
        this.sa = sa;
        this.elementName = elementName;

        AttributesImpl att = new AttributesImpl();
        if (name != null) {
            att.addAttribute("", "name", "name", "", name);
        }
        if (visible != 0) {
            att.addAttribute("", "visible", "visible", "", visible > 0 ? "true"
                    : "false");
        }
        if (parameter != -1) {
            att.addAttribute("", "parameter", "parameter", "",
                    Integer.toString(parameter));
        }
        if (desc != null) {
            att.addAttribute("", "desc", "desc", "", desc);
        }
        if (typeRef != -1) {
            att.addAttribute("", "typeRef", "typeRef", "",
                    Integer.toString(typeRef));
        }
        if (typePath != null) {
            att.addAttribute("", "typePath", "typePath", "",
                    typePath.toString());
        }
        if (start != null) {
            StringBuilder value = new StringBuilder(start[0]);
            for (int i = 1; i < start.length; ++i) {
                value.append(" ").append(start[i]);
            }
            att.addAttribute("", "start", "start", "", value.toString());
        }
        if (end != null) {
            StringBuilder value = new StringBuilder(end[0]);
            for (int i = 1; i < end.length; ++i) {
                value.append(" ").append(end[i]);
            }
            att.addAttribute("", "end", "end", "", value.toString());
        }
        if (index != null) {
            StringBuilder value = new StringBuilder();
            value.append(index[0]);
            for (int i = 1; i < index.length; ++i) {
                value.append(" ").append(index[i]);
            }
            att.addAttribute("", "index", "index", "", value.toString());
        }

        sa.addStart(elementName, att);
    }

    @Override
    public void visit(final String name, final Object value) {
        Class<?> c = value.getClass();
        if (c.isArray()) {
            AnnotationVisitor av = visitArray(name);
            if (value instanceof byte[]) {
                byte[] b = (byte[]) value;
                for (int i = 0; i < b.length; i++) {
                    av.visit(null, b[i]);
                }

            } else if (value instanceof char[]) {
                char[] b = (char[]) value;
                for (int i = 0; i < b.length; i++) {
                    av.visit(null, b[i]);
                }

            } else if (value instanceof short[]) {
                short[] b = (short[]) value;
                for (int i = 0; i < b.length; i++) {
                    av.visit(null, b[i]);
                }

            } else if (value instanceof boolean[]) {
                boolean[] b = (boolean[]) value;
                for (int i = 0; i < b.length; i++) {
                    av.visit(null, Boolean.valueOf(b[i]));
                }

            } else if (value instanceof int[]) {
                int[] b = (int[]) value;
                for (int i = 0; i < b.length; i++) {
                    av.visit(null, b[i]);
                }

            } else if (value instanceof long[]) {
                long[] b = (long[]) value;
                for (int i = 0; i < b.length; i++) {
                    av.visit(null, b[i]);
                }

            } else if (value instanceof float[]) {
                float[] b = (float[]) value;
                for (int i = 0; i < b.length; i++) {
                    av.visit(null, b[i]);
                }

            } else if (value instanceof double[]) {
                double[] b = (double[]) value;
                for (int i = 0; i < b.length; i++) {
                    av.visit(null, b[i]);
                }

            }
            av.visitEnd();
        } else {
            addValueElement("annotationValue", name, Type.getDescriptor(c),
                    value.toString());
        }
    }

    @Override
    public void visitEnum(final String name, final String desc,
            final String value) {
        addValueElement("annotationValueEnum", name, desc, value);
    }

    @Override
    public AnnotationVisitor visitAnnotation(final String name,
            final String desc) {
        return new SAXAnnotationAdapter(sa, "annotationValueAnnotation", 0,
                name, desc);
    }

    @Override
    public AnnotationVisitor visitArray(final String name) {
        return new SAXAnnotationAdapter(sa, "annotationValueArray", 0, name,
                null);
    }

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

    private void addValueElement(final String element, final String name,
            final String desc, final String value) {
        AttributesImpl att = new AttributesImpl();
        if (name != null) {
            att.addAttribute("", "name", "name", "", name);
        }
        if (desc != null) {
            att.addAttribute("", "desc", "desc", "", desc);
        }
        if (value != null) {
            att.addAttribute("", "value", "value", "",
                    SAXClassAdapter.encode(value));
        }

        sa.addElement(element, att);
    }
}