xmlkit.XMLKit.Element Java Examples

@Override
public String visitMethodHandle(CONSTANT_MethodHandle_info c, Integer p) {
String value = slist.get(p);
    if (value == null) {
        try {
            value = c.reference_kind.name();
            value = value.concat(" "
                    + visit(cfpool.get(c.reference_index), c.reference_index));
            slist.set(p, value);
            xpool.add(new Element("CONSTANT_MethodHandle",
                      new String[]{"id", p.toString()},
                      value));

        } catch (ConstantPoolException ex) {
            ex.printStackTrace();
        }
    }
    return value;
}
 

@Override
public String visitMethodref(CONSTANT_Methodref_info c, Integer p) {
    String value = slist.get(p);
    if (value == null) {
        try {
            value = visit(cfpool.get(c.class_index), c.class_index);
            value = value.concat(" " +
                                 visit(cfpool.get(c.name_and_type_index),
                                 c.name_and_type_index));
            slist.set(p, value);
            xpool.add(new Element("CONSTANT_Methodref",
                      new String[]{"id", p.toString()},
                      value));

        } catch (ConstantPoolException ex) {
            ex.printStackTrace();
        }
    }
    return value;
}
 

@Override
public String visitMethodType(CONSTANT_MethodType_info c, Integer p) {
    String value = slist.get(p);
    if (value == null) {
        try {
            value = visit(cfpool.get(c.descriptor_index), c.descriptor_index);
            slist.set(p, value);
            xpool.add(new Element("CONSTANT_MethodType",
                      new String[]{"id", p.toString()},
                      value));
        } catch (ConstantPoolException ex) {
            ex.printStackTrace();
        }
    }
    return value;
}
 

@Override
public String visitInvokeDynamic(CONSTANT_InvokeDynamic_info c, Integer p) {
    String value = slist.get(p);
    if (value == null) {
        try {
            value = bsmlist.get(c.bootstrap_method_attr_index) + " "
                    + visit(cfpool.get(c.name_and_type_index), c.name_and_type_index);
            slist.set(p, value);
            xpool.add(new Element("CONSTANT_InvokeDynamic",
                      new String[]{"id", p.toString()},
                      value));

        } catch (ConstantPoolException ex) {
            ex.printStackTrace();
        }
    }
    return value;
}
 

@Override
public String visitInterfaceMethodref(CONSTANT_InterfaceMethodref_info c,
                                      Integer p) {
    String value = slist.get(p);
    if (value == null) {
        try {
            value = visit(cfpool.get(c.class_index), c.class_index);
            value = value.concat(" " +
                                 visit(cfpool.get(c.name_and_type_index),
                                 c.name_and_type_index));
            slist.set(p, value);
            xpool.add(new Element("CONSTANT_InterfaceMethodref",
                      new String[]{"id", p.toString()},
                      value));

        } catch (ConstantPoolException ex) {
            ex.printStackTrace();
        }
    }
    return value;
}
 

@Override
public String visitNameAndType(CONSTANT_NameAndType_info c, Integer p) {
    String value = slist.get(p);
    if (value == null) {
        try {
            value = visit(cfpool.get(c.name_index), c.name_index);
            value = value.concat(" " +
                    visit(cfpool.get(c.type_index), c.type_index));
            slist.set(p, value);
            xpool.add(new Element("CONSTANT_NameAndType",
                      new String[]{"id", p.toString()},
                      value));
        } catch (InvalidIndex ex) {
            ex.printStackTrace();
        }
    }
    return value;
}
 

private void readCP(ClassFile c) throws IOException {
    cpool = new Element("ConstantPool", c.constant_pool.size());
    ConstantPoolVisitor cpv = new ConstantPoolVisitor(cpool, c,
            c.constant_pool.size());
    for (int i = 1 ; i < c.constant_pool.size() ; i++) {
        try {
            cpv.visit(c.constant_pool.get(i), i);
        } catch (InvalidIndex ex) {
            // can happen periodically when accessing doubles etc. ignore it
            // ex.printStackTrace();
        }
    }
    thePool = cpv.getPoolList();
    if (verbose) {
        for (int i = 0; i < thePool.size(); i++) {
            System.out.println("[" + i + "]: " + thePool.get(i));
        }
    }
    if (keepCP) {
        cfile.add(cpool);
    }
}
 

@Override
public String visitString(CONSTANT_String_info c, Integer p) {
    try {

        String value = slist.get(p);
        if (value == null) {
            value = c.getString();
            slist.set(p, value);
            xpool.add(new Element("CONSTANT_String",
                      new String[]{"id", p.toString()},
                      value));
        }
        return value;
    } catch (ConstantPoolException ex) {
        throw new RuntimeException("Fatal error", ex);
    }
}
 

@Override
public String visitClass(CONSTANT_Class_info c, Integer p) {
    String value = slist.get(p);
    if (value == null) {
        try {
            value = visit(cfpool.get(c.name_index), c.name_index);
            slist.set(p, value);
            xpool.add(new Element("CONSTANT_Class",
                    new String[]{"id", p.toString()},
                    value));
        } catch (ConstantPoolException ex) {
            ex.printStackTrace();
        }
    }
    return value;
}
 

@Override
public String visitClass(CONSTANT_Class_info c, Integer p) {
    String value = slist.get(p);
    if (value == null) {
        try {
            value = visit(cfpool.get(c.name_index), c.name_index);
            slist.set(p, value);
            xpool.add(new Element("CONSTANT_Class",
                    new String[]{"id", p.toString()},
                    value));
        } catch (ConstantPoolException ex) {
            ex.printStackTrace();
        }
    }
    return value;
}
 

@Override
public Element visitAnnotation(Annotation_element_value a, Element p) {
    Element el = new Element("Annotation");
    Annotation anno = a.annotation_value;
    for (Annotation.element_value_pair evp : anno.element_value_pairs) {
        Element child = visit(evp.value, el);
        if (child != null) {
            el.add(child);
        }
    }
    el.trimToSize();
    return el;
}
 

@Override
public String visitDouble(CONSTANT_Double_info c, Integer p) {
    String value = slist.get(p);
    if (value == null) {
        value = Double.toString(c.value);
        slist.set(p, value);
        xpool.add(new Element("CONSTANT_Double",
                  new String[]{"id", p.toString()},
                  value));
    }
    return value;
}
 

@Override
public Element visitRuntimeInvisibleTypeAnnotations(RuntimeInvisibleTypeAnnotations_attribute rita, Element p) {
    Element e = new Element(x.getCpString(rita.attribute_name_index));
    for (TypeAnnotation pa : rita.annotations) {
        parseTypeAnnotations(pa, e);
    }
    e.sort();
    p.add(e);
    return null;
}
 

public Element readFrom(File file) throws IOException {
    try (InputStream strm = new FileInputStream(file)) {
        Element e = readFrom(new BufferedInputStream(strm));
        if (keepPath) {
            e.setAttr("path", file.toString());
        }
        return e;
    }
}
 

private void parseTypeAnnotations(TypeAnnotation pa, Element p) {
    Element pta = new Element("RuntimeVisibleTypeAnnotation");
    p.add(pta);
    Position pos = pa.position;
    parsePosition(pos, pta);
    parseAnnotation(pa.annotation, pta);
}
 

private AccessFlags.Kind getKind(Element e) {
    switch(e.getName()) {
        case "Class":
            return AccessFlags.Kind.Class;
        case "InnerClass":
            return AccessFlags.Kind.InnerClass;
        case "Field":
            return AccessFlags.Kind.Field ;
        case "Method":
            return AccessFlags.Kind.Method;
        default: throw new RuntimeException("should not reach here");
    }
}
 

@Override
public Element visitNoOperands(Instruction i, Void p) {
    Opcode o = i.getOpcode();
    Element e = new Element(i.getMnemonic());
    if (o.opcode > 0xab && o.opcode <= 0xb1) {
        e.setAttr("pc", "" + i.getPC());
    }
    return e;
}
 

@Override
public Element visitInnerClasses(InnerClasses_attribute ic, Element p) {
    for (Info info : ic.classes) {
        Element e = new Element(x.getCpString(ic.attribute_name_index));
        e.setAttr("class", x.getCpString(info.inner_class_info_index));
        e.setAttr("outer", x.getCpString(info.outer_class_info_index));
        e.setAttr("name", x.getCpString(info.inner_name_index));
        e.setAttr("flags", x.flagString(info.inner_class_access_flags,
                "InnerClass"));
        e.trimToSize();
        p.add(e);
    }
    return null;
}
 

private AccessFlags.Kind getKind(Element e) {
    switch(e.getName()) {
        case "Class":
            return AccessFlags.Kind.Class;
        case "InnerClass":
            return AccessFlags.Kind.InnerClass;
        case "Field":
            return AccessFlags.Kind.Field ;
        case "Method":
            return AccessFlags.Kind.Method;
        default: throw new RuntimeException("should not reach here");
    }
}
 

@Override
public Element visitAnnotation(Annotation_element_value a, Element p) {
    Element el = new Element("Annotation");
    Annotation anno = a.annotation_value;
    for (Annotation.element_value_pair evp : anno.element_value_pairs) {
        Element child = visit(evp.value, el);
        if (child != null) {
            el.add(child);
        }
    }
    el.trimToSize();
    return el;
}
 

public Element readFrom(File file) throws IOException {
    try (InputStream strm = new FileInputStream(file)) {
        Element e = readFrom(new BufferedInputStream(strm));
        if (keepPath) {
            e.setAttr("path", file.toString());
        }
        return e;
    }
}
 

@Override
public Element visitArrayType(Instruction i, TypeKind tk, Void p) {
    Element ie = new Element(i.getMnemonic());
    ie.setAttr("num", "" + tk.value);
    ie.setAttr("val", tk.name);
    return ie;
}
 

@Override
public Element visitSourceID(SourceID_attribute sid, Element p) {
    Element e = new Element(x.getCpString(sid.attribute_name_index));
    e.add(x.getCpString(sid.sourceID_index));
    e.trimToSize();
    p.add(e);
    return null;
}
 

public ConstantPoolVisitor(Element xpool, ClassFile cf, int size) {
    slist = new ArrayList<>(size);
    for (int i = 0 ; i < size; i++) {
        slist.add(null);
    }
    this.xpool = xpool;
    this.cf = cf;
    this.cfpool = cf.constant_pool;
    bsmlist = readBSM();
}
 

@Override
public Element visitSourceDebugExtension(SourceDebugExtension_attribute sde,
                                            Element p) {
    String aname = x.getCpString(sde.attribute_name_index);
    Element se = new Element(aname);
    se.setAttr("val", sde.getValue());
    se.trimToSize();
    p.add(se);
    return null;
}
 

@Override
public Element visitNoOperands(Instruction i, Void p) {
    Opcode o = i.getOpcode();
    Element e = new Element(i.getMnemonic());
    if (o.opcode > 0xab && o.opcode <= 0xb1) {
        e.setAttr("pc", "" + i.getPC());
    }
    return e;
}
 

@Override
public Element visitArrayType(Instruction i, TypeKind tk, Void p) {
    Element ie = new Element(i.getMnemonic());
    ie.setAttr("num", "" + tk.value);
    ie.setAttr("val", tk.name);
    return ie;
}
 

@Override
public Element visitRuntimeVisibleAnnotations(RuntimeVisibleAnnotations_attribute rva,
                                              Element p) {
    Element e = new Element(x.getCpString(rva.attribute_name_index));
    parseAnnotations(rva.annotations, e);
    e.trimToSize();
    p.add(e);
    return null;
}
 

@Override
public Element visit_append_frame(append_frame a, Void p) {
   Element e = new Element("AppendFrame" + (a.frame_type - 251));
   e.setAttr("tag", "" + a.frame_type);
   e.addAll(getVerificationTypeInfo("Local", a.locals));
   e.trimToSize();
   return e;
}
 

@Override
public Element visitConstantPoolRefAndValue(Instruction i, int i1, int i2, Void p) {
    // workaround for a potential bug in classfile
    Element ie = new Element(i.getMnemonic());
    if (i.getOpcode().equals(Opcode.IINC_W)) {
        ie.setAttr("loc", "" + i1);
        ie.setAttr("num", "" + i2);
    } else {
        ie.setAttr("ref", x.getCpString(i1));
        ie.setAttr("val", "" + i2);
    }
    return ie;
}