Java源码示例：org.apache.bcel.classfile.Deprecated
示例1
private boolean markedAsNotUsable(Method obj) {
for (Attribute a : obj.getAttributes()) {
if (a instanceof Deprecated) {
return true;
}
}
Code code = obj.getCode();
if (code == null) {
return false;
}
byte[] codeBytes = code.getCode();
if (codeBytes.length > 1 && codeBytes.length < 10) {
int lastOpcode = codeBytes[codeBytes.length - 1] & 0xff;
if (lastOpcode != Const.ATHROW) {
return false;
}
for (int b : codeBytes) {
if ((b & 0xff) == Const.RETURN) {
return false;
}
}
return true;
}
return false;
}
示例2
public void visitDeprecated(Deprecated obj){//vmspec2 4.7.10
checkIndex(obj, obj.getNameIndex(), CONST_Utf8);
String name = ((ConstantUtf8) cp.getConstant(obj.getNameIndex())).getBytes();
if (! name.equals("Deprecated")){
throw new ClassConstraintException("The Deprecated attribute '"+tostring(obj)+"' is not correctly named 'Deprecated' but '"+name+"'.");
}
}
示例3
@Override
public void visitDeprecated(final Deprecated obj) {//vmspec2 4.7.10
checkIndex(obj, obj.getNameIndex(), CONST_Utf8);
final String name = ((ConstantUtf8) cp.getConstant(obj.getNameIndex())).getBytes();
if (! name.equals("Deprecated")) {
throw new ClassConstraintException("The Deprecated attribute '"+tostring(obj)+
"' is not correctly named 'Deprecated' but '"+name+"'.");
}
}
示例4
public void visitJavaClass(JavaClass obj){
Attribute[] atts = obj.getAttributes();
boolean foundSourceFile = false;
boolean foundInnerClasses = false;
// Is there an InnerClass referenced?
// This is a costly check; existing verifiers don't do it!
boolean hasInnerClass = new InnerClassDetector(jc).innerClassReferenced();
for (int i=0; i<atts.length; i++){
if ((! (atts[i] instanceof SourceFile)) &&
(! (atts[i] instanceof Deprecated)) &&
(! (atts[i] instanceof InnerClasses)) &&
(! (atts[i] instanceof Synthetic))){
addMessage("Attribute '"+tostring(atts[i])+"' as an attribute of the ClassFile structure '"+tostring(obj)+"' is unknown and will therefore be ignored.");
}
if (atts[i] instanceof SourceFile){
if (foundSourceFile == false) foundSourceFile = true;
else throw new ClassConstraintException("A ClassFile structure (like '"+tostring(obj)+"') may have no more than one SourceFile attribute."); //vmspec2 4.7.7
}
if (atts[i] instanceof InnerClasses){
if (foundInnerClasses == false) foundInnerClasses = true;
else{
if (hasInnerClass){
throw new ClassConstraintException("A Classfile structure (like '"+tostring(obj)+"') must have exactly one InnerClasses attribute if at least one Inner Class is referenced (which is the case). More than one InnerClasses attribute was found.");
}
}
if (!hasInnerClass){
addMessage("No referenced Inner Class found, but InnerClasses attribute '"+tostring(atts[i])+"' found. Strongly suggest removal of that attribute.");
}
}
}
if (hasInnerClass && !foundInnerClasses){
//throw new ClassConstraintException("A Classfile structure (like '"+tostring(obj)+"') must have exactly one InnerClasses attribute if at least one Inner Class is referenced (which is the case). No InnerClasses attribute was found.");
//vmspec2, page 125 says it would be a constraint: but existing verifiers
//don't check it and javac doesn't satisfy it when it comes to anonymous
//inner classes
addMessage("A Classfile structure (like '"+tostring(obj)+"') must have exactly one InnerClasses attribute if at least one Inner Class is referenced (which is the case). No InnerClasses attribute was found.");
}
}
示例5
public void visitField(Field obj){
if (jc.isClass()){
int maxone=0;
if (obj.isPrivate()) maxone++;
if (obj.isProtected()) maxone++;
if (obj.isPublic()) maxone++;
if (maxone > 1){
throw new ClassConstraintException("Field '"+tostring(obj)+"' must only have at most one of its ACC_PRIVATE, ACC_PROTECTED, ACC_PUBLIC modifiers set.");
}
if (obj.isFinal() && obj.isVolatile()){
throw new ClassConstraintException("Field '"+tostring(obj)+"' must only have at most one of its ACC_FINAL, ACC_VOLATILE modifiers set.");
}
}
else{ // isInterface!
if (!obj.isPublic()){
throw new ClassConstraintException("Interface field '"+tostring(obj)+"' must have the ACC_PUBLIC modifier set but hasn't!");
}
if (!obj.isStatic()){
throw new ClassConstraintException("Interface field '"+tostring(obj)+"' must have the ACC_STATIC modifier set but hasn't!");
}
if (!obj.isFinal()){
throw new ClassConstraintException("Interface field '"+tostring(obj)+"' must have the ACC_FINAL modifier set but hasn't!");
}
}
if ((obj.getAccessFlags() & ~(ACC_PUBLIC|ACC_PRIVATE|ACC_PROTECTED|ACC_STATIC|ACC_FINAL|ACC_VOLATILE|ACC_TRANSIENT)) > 0){
addMessage("Field '"+tostring(obj)+"' has access flag(s) other than ACC_PUBLIC, ACC_PRIVATE, ACC_PROTECTED, ACC_STATIC, ACC_FINAL, ACC_VOLATILE, ACC_TRANSIENT set (ignored).");
}
checkIndex(obj, obj.getNameIndex(), CONST_Utf8);
String name = obj.getName();
if (! validFieldName(name)){
throw new ClassConstraintException("Field '"+tostring(obj)+"' has illegal name '"+obj.getName()+"'.");
}
// A descriptor is often named signature in BCEL
checkIndex(obj, obj.getSignatureIndex(), CONST_Utf8);
String sig = ((ConstantUtf8) (cp.getConstant(obj.getSignatureIndex()))).getBytes(); // Field or Method signature(=descriptor)
try{
Type.getType(sig); /* Don't need the return value */
}
catch (ClassFormatError cfe){ // sometimes BCEL is a little harsh describing exceptional situations.
throw new ClassConstraintException("Illegal descriptor (==signature) '"+sig+"' used by '"+tostring(obj)+"'.");
}
String nameanddesc = (name+sig);
if (field_names_and_desc.contains(nameanddesc)){
throw new ClassConstraintException("No two fields (like '"+tostring(obj)+"') are allowed have same names and descriptors!");
}
if (field_names.contains(name)){
addMessage("More than one field of name '"+name+"' detected (but with different type descriptors). This is very unusual.");
}
field_names_and_desc.add(nameanddesc);
field_names.add(name);
Attribute[] atts = obj.getAttributes();
for (int i=0; i<atts.length; i++){
if ((! (atts[i] instanceof ConstantValue)) &&
(! (atts[i] instanceof Synthetic)) &&
(! (atts[i] instanceof Deprecated))){
addMessage("Attribute '"+tostring(atts[i])+"' as an attribute of Field '"+tostring(obj)+"' is unknown and will therefore be ignored.");
}
if (! (atts[i] instanceof ConstantValue)){
addMessage("Attribute '"+tostring(atts[i])+"' as an attribute of Field '"+tostring(obj)+"' is not a ConstantValue and is therefore only of use for debuggers and such.");
}
}
}
示例6
public void visitDeprecated(Deprecated obj){
tostring = toString(obj);
}
示例7
@Override
public void visitDeprecated(final Deprecated attribute) {
printEndMethod(attribute);
}
示例8
@Override
public void visitJavaClass(final JavaClass obj) {
final Attribute[] atts = obj.getAttributes();
boolean foundSourceFile = false;
boolean foundInnerClasses = false;
// Is there an InnerClass referenced?
// This is a costly check; existing verifiers don't do it!
final boolean hasInnerClass = new InnerClassDetector(jc).innerClassReferenced();
for (final Attribute att : atts) {
if ((!(att instanceof SourceFile)) &&
(!(att instanceof Deprecated)) &&
(!(att instanceof InnerClasses)) &&
(!(att instanceof Synthetic))) {
addMessage("Attribute '" + tostring(att) + "' as an attribute of the ClassFile structure '" +
tostring(obj) + "' is unknown and will therefore be ignored.");
}
if (att instanceof SourceFile) {
if (!foundSourceFile) {
foundSourceFile = true;
} else {
throw new ClassConstraintException("A ClassFile structure (like '" +
tostring(obj) + "') may have no more than one SourceFile attribute."); //vmspec2 4.7.7
}
}
if (att instanceof InnerClasses) {
if (!foundInnerClasses) {
foundInnerClasses = true;
} else {
if (hasInnerClass) {
throw new ClassConstraintException("A Classfile structure (like '" + tostring(obj) +
"') must have exactly one InnerClasses attribute"+
" if at least one Inner Class is referenced (which is the case)."+
" More than one InnerClasses attribute was found.");
}
}
if (!hasInnerClass) {
addMessage("No referenced Inner Class found, but InnerClasses attribute '" + tostring(att) +
"' found. Strongly suggest removal of that attribute.");
}
}
}
if (hasInnerClass && !foundInnerClasses) {
//throw new ClassConstraintException("A Classfile structure (like '"+tostring(obj)+
// "') must have exactly one InnerClasses attribute if at least one Inner Class is referenced (which is the case)."+
// " No InnerClasses attribute was found.");
//vmspec2, page 125 says it would be a constraint: but existing verifiers
//don't check it and javac doesn't satisfy it when it comes to anonymous
//inner classes
addMessage("A Classfile structure (like '"+tostring(obj)+
"') must have exactly one InnerClasses attribute if at least one Inner Class is referenced (which is the case)."+
" No InnerClasses attribute was found.");
}
}
示例9
@Override
public void visitField(final Field obj) {
if (jc.isClass()) {
int maxone=0;
if (obj.isPrivate()) {
maxone++;
}
if (obj.isProtected()) {
maxone++;
}
if (obj.isPublic()) {
maxone++;
}
if (maxone > 1) {
throw new ClassConstraintException("Field '"+tostring(obj)+
"' must only have at most one of its ACC_PRIVATE, ACC_PROTECTED, ACC_PUBLIC modifiers set.");
}
if (obj.isFinal() && obj.isVolatile()) {
throw new ClassConstraintException("Field '"+tostring(obj)+
"' must only have at most one of its ACC_FINAL, ACC_VOLATILE modifiers set.");
}
}
else{ // isInterface!
if (!obj.isPublic()) {
throw new ClassConstraintException("Interface field '"+tostring(obj)+
"' must have the ACC_PUBLIC modifier set but hasn't!");
}
if (!obj.isStatic()) {
throw new ClassConstraintException("Interface field '"+tostring(obj)+
"' must have the ACC_STATIC modifier set but hasn't!");
}
if (!obj.isFinal()) {
throw new ClassConstraintException("Interface field '"+tostring(obj)+
"' must have the ACC_FINAL modifier set but hasn't!");
}
}
if ((obj.getAccessFlags() & ~(Const.ACC_PUBLIC|Const.ACC_PRIVATE|Const.ACC_PROTECTED|Const.ACC_STATIC|
Const.ACC_FINAL|Const.ACC_VOLATILE|Const.ACC_TRANSIENT)) > 0) {
addMessage("Field '"+tostring(obj)+
"' has access flag(s) other than ACC_PUBLIC, ACC_PRIVATE, ACC_PROTECTED,"+
" ACC_STATIC, ACC_FINAL, ACC_VOLATILE, ACC_TRANSIENT set (ignored).");
}
checkIndex(obj, obj.getNameIndex(), CONST_Utf8);
final String name = obj.getName();
if (! validFieldName(name)) {
throw new ClassConstraintException("Field '"+tostring(obj)+"' has illegal name '"+obj.getName()+"'.");
}
// A descriptor is often named signature in BCEL
checkIndex(obj, obj.getSignatureIndex(), CONST_Utf8);
final String sig = ((ConstantUtf8) (cp.getConstant(obj.getSignatureIndex()))).getBytes(); // Field or Method sig.(=descriptor)
try{
Type.getType(sig); /* Don't need the return value */
}
catch (final ClassFormatException cfe) {
throw new ClassConstraintException("Illegal descriptor (==signature) '"+sig+"' used by '"+tostring(obj)+"'.", cfe);
}
final String nameanddesc = name+sig;
if (field_names_and_desc.contains(nameanddesc)) {
throw new ClassConstraintException("No two fields (like '"+tostring(obj)+
"') are allowed have same names and descriptors!");
}
if (field_names.contains(name)) {
addMessage("More than one field of name '"+name+
"' detected (but with different type descriptors). This is very unusual.");
}
field_names_and_desc.add(nameanddesc);
field_names.add(name);
final Attribute[] atts = obj.getAttributes();
for (final Attribute att : atts) {
if ((!(att instanceof ConstantValue)) &&
(!(att instanceof Synthetic)) &&
(!(att instanceof Deprecated))) {
addMessage("Attribute '" + tostring(att) + "' as an attribute of Field '" +
tostring(obj) + "' is unknown and will therefore be ignored.");
}
if (!(att instanceof ConstantValue)) {
addMessage("Attribute '" + tostring(att) + "' as an attribute of Field '" + tostring(obj) +
"' is not a ConstantValue and is therefore only of use for debuggers and such.");
}
}
}
示例10
@Override
public void visitDeprecated(final Deprecated obj) {
tostring = toString(obj);
}
示例11
@Override
public void visitDeprecated(final Deprecated obj)
{
deprecatedCount++;
}
