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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 scouter.org.objectweb.asm.xml;
import scouter.org.objectweb.asm.AnnotationVisitor;
import scouter.org.objectweb.asm.ClassVisitor;
import scouter.org.objectweb.asm.FieldVisitor;
import scouter.org.objectweb.asm.MethodVisitor;
import scouter.org.objectweb.asm.Opcodes;
import scouter.org.objectweb.asm.TypePath;
import org.xml.sax.ContentHandler;
import org.xml.sax.helpers.AttributesImpl;
/**
* A {@link scouter.org.objectweb.asm.ClassVisitor ClassVisitor} that generates SAX 2.0
* events from the visited class. It can feed any kind of
* {@link ContentHandler ContentHandler}, e.g. XML serializer, XSLT
* or XQuery engines.
*
* @see Processor
* @see scouter.org.objectweb.asm.xml.ASMContentHandler
*
* @author Eugene Kuleshov
*/
public final class SAXClassAdapter extends ClassVisitor {
SAXAdapter sa;
private final boolean singleDocument;
/**
* Pseudo access flag used to distinguish class access flags.
*/
private static final int ACCESS_CLASS = 262144;
/**
* Pseudo access flag used to distinguish field access flags.
*/
private static final int ACCESS_FIELD = 524288;
/**
* Pseudo access flag used to distinguish inner class flags.
*/
private static final int ACCESS_INNER = 1048576;
/**
* Constructs a new {@link SAXClassAdapter SAXClassAdapter} object.
*
* @param h
* content handler that will be used to send SAX 2.0 events.
* @param singleDocument
* if true adapter will not produce
* {@link ContentHandler#startDocument() startDocument()} and
* {@link ContentHandler#endDocument() endDocument()} events.
*/
public SAXClassAdapter(final ContentHandler h, boolean singleDocument) {
super(Opcodes.ASM5);
this.sa = new SAXAdapter(h);
this.singleDocument = singleDocument;
if (!singleDocument) {
sa.addDocumentStart();
}
}
@Override
public void visitSource(final String source, final String debug) {
AttributesImpl att = new AttributesImpl();
if (source != null) {
att.addAttribute("", "file", "file", "", encode(source));
}
if (debug != null) {
att.addAttribute("", "debug", "debug", "", encode(debug));
}
sa.addElement("source", att);
}
@Override
public void visitOuterClass(final String owner, final String name,
final String desc) {
AttributesImpl att = new AttributesImpl();
att.addAttribute("", "owner", "owner", "", owner);
if (name != null) {
att.addAttribute("", "name", "name", "", name);
}
if (desc != null) {
att.addAttribute("", "desc", "desc", "", desc);
}
sa.addElement("outerclass", att);
}
@Override
public AnnotationVisitor visitAnnotation(final String desc,
final boolean visible) {
return new SAXAnnotationAdapter(sa, "annotation", visible ? 1 : -1,
null, desc);
}
@Override
public AnnotationVisitor visitTypeAnnotation(int typeRef,
TypePath typePath, String desc, boolean visible) {
return new SAXAnnotationAdapter(sa, "typeAnnotation", visible ? 1 : -1,
null, desc, typeRef, typePath);
}
@Override
public void visit(final int version, final int access, final String name,
final String signature, final String superName,
final String[] interfaces) {
StringBuilder sb = new StringBuilder();
appendAccess(access | ACCESS_CLASS, sb);
AttributesImpl att = new AttributesImpl();
att.addAttribute("", "access", "access", "", sb.toString());
if (name != null) {
att.addAttribute("", "name", "name", "", name);
}
if (signature != null) {
att.addAttribute("", "signature", "signature", "",
encode(signature));
}
if (superName != null) {
att.addAttribute("", "parent", "parent", "", superName);
}
att.addAttribute("", "major", "major", "",
Integer.toString(version & 0xFFFF));
att.addAttribute("", "minor", "minor", "",
Integer.toString(version >>> 16));
sa.addStart("class", att);
sa.addStart("interfaces", new AttributesImpl());
if (interfaces != null && interfaces.length > 0) {
for (int i = 0; i < interfaces.length; i++) {
AttributesImpl att2 = new AttributesImpl();
att2.addAttribute("", "name", "name", "", interfaces[i]);
sa.addElement("interface", att2);
}
}
sa.addEnd("interfaces");
}
@Override
public FieldVisitor visitField(final int access, final String name,
final String desc, final String signature, final Object value) {
StringBuilder sb = new StringBuilder();
appendAccess(access | ACCESS_FIELD, sb);
AttributesImpl att = new AttributesImpl();
att.addAttribute("", "access", "access", "", sb.toString());
att.addAttribute("", "name", "name", "", name);
att.addAttribute("", "desc", "desc", "", desc);
if (signature != null) {
att.addAttribute("", "signature", "signature", "",
encode(signature));
}
if (value != null) {
att.addAttribute("", "value", "value", "", encode(value.toString()));
}
return new SAXFieldAdapter(sa, att);
}
@Override
public MethodVisitor visitMethod(final int access, final String name,
final String desc, final String signature, final String[] exceptions) {
StringBuilder sb = new StringBuilder();
appendAccess(access, sb);
AttributesImpl att = new AttributesImpl();
att.addAttribute("", "access", "access", "", sb.toString());
att.addAttribute("", "name", "name", "", name);
att.addAttribute("", "desc", "desc", "", desc);
if (signature != null) {
att.addAttribute("", "signature", "signature", "", signature);
}
sa.addStart("method", att);
sa.addStart("exceptions", new AttributesImpl());
if (exceptions != null && exceptions.length > 0) {
for (int i = 0; i < exceptions.length; i++) {
AttributesImpl att2 = new AttributesImpl();
att2.addAttribute("", "name", "name", "", exceptions[i]);
sa.addElement("exception", att2);
}
}
sa.addEnd("exceptions");
return new SAXCodeAdapter(sa, access);
}
@Override
public final void visitInnerClass(final String name,
final String outerName, final String innerName, final int access) {
StringBuilder sb = new StringBuilder();
appendAccess(access | ACCESS_INNER, sb);
AttributesImpl att = new AttributesImpl();
att.addAttribute("", "access", "access", "", sb.toString());
if (name != null) {
att.addAttribute("", "name", "name", "", name);
}
if (outerName != null) {
att.addAttribute("", "outerName", "outerName", "", outerName);
}
if (innerName != null) {
att.addAttribute("", "innerName", "innerName", "", innerName);
}
sa.addElement("innerclass", att);
}
@Override
public final void visitEnd() {
sa.addEnd("class");
if (!singleDocument) {
sa.addDocumentEnd();
}
}
static final String encode(final String s) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < s.length(); i++) {
char c = s.charAt(i);
if (c == '\\') {
sb.append("\\\\");
} else if (c < 0x20 || c > 0x7f) {
sb.append("\\u");
if (c < 0x10) {
sb.append("000");
} else if (c < 0x100) {
sb.append("00");
} else if (c < 0x1000) {
sb.append('0');
}
sb.append(Integer.toString(c, 16));
} else {
sb.append(c);
}
}
return sb.toString();
}
static void appendAccess(final int access, final StringBuilder sb) {
if ((access & Opcodes.ACC_PUBLIC) != 0) {
sb.append("public ");
}
if ((access & Opcodes.ACC_PRIVATE) != 0) {
sb.append("private ");
}
if ((access & Opcodes.ACC_PROTECTED) != 0) {
sb.append("protected ");
}
if ((access & Opcodes.ACC_FINAL) != 0) {
sb.append("final ");
}
if ((access & Opcodes.ACC_STATIC) != 0) {
sb.append("static ");
}
if ((access & Opcodes.ACC_SUPER) != 0) {
if ((access & ACCESS_CLASS) == 0) {
sb.append("synchronized ");
} else {
sb.append("super ");
}
}
if ((access & Opcodes.ACC_VOLATILE) != 0) {
if ((access & ACCESS_FIELD) == 0) {
sb.append("bridge ");
} else {
sb.append("volatile ");
}
}
if ((access & Opcodes.ACC_TRANSIENT) != 0) {
if ((access & ACCESS_FIELD) == 0) {
sb.append("varargs ");
} else {
sb.append("transient ");
}
}
if ((access & Opcodes.ACC_NATIVE) != 0) {
sb.append("native ");
}
if ((access & Opcodes.ACC_STRICT) != 0) {
sb.append("strict ");
}
if ((access & Opcodes.ACC_INTERFACE) != 0) {
sb.append("interface ");
}
if ((access & Opcodes.ACC_ABSTRACT) != 0) {
sb.append("abstract ");
}
if ((access & Opcodes.ACC_SYNTHETIC) != 0) {
sb.append("synthetic ");
}
if ((access & Opcodes.ACC_ANNOTATION) != 0) {
sb.append("annotation ");
}
if ((access & Opcodes.ACC_ENUM) != 0) {
sb.append("enum ");
}
if ((access & Opcodes.ACC_DEPRECATED) != 0) {
sb.append("deprecated ");
}
if ((access & Opcodes.ACC_MANDATED) != 0) {
sb.append("mandated ");
}
}
}
