private DbJVClass importClass(JavaClass claz, Controller controller) throws DbException {
String packName = claz.getPackageName();
String qualifiedName = claz.getClassName();
int idx = qualifiedName.lastIndexOf('.');
String classname = qualifiedName.substring(idx + 1);
DbJVClass dbClaz = null;
try {
if (m_classModel != null) {
DbJVPackage pack = findPackageByName(packName);
// create class or interface
int value = claz.isInterface() ? JVClassCategory.INTERFACE : JVClassCategory.CLASS;
JVClassCategory catg = JVClassCategory.getInstance(value);
dbClaz =
(pack == null) ? new DbJVClass(this.m_classModel, catg) : new DbJVClass(pack, catg);
dbClaz.setName(classname);
// set class modifiers
dbClaz.setAbstract(claz.isAbstract());
dbClaz.setFinal(claz.isFinal());
dbClaz.setStatic(claz.isStatic());
dbClaz.setStrictfp(claz.isStrictfp());
dbClaz.setVisibility(toVisibility(claz));
// create inheritances
importInheritances(dbClaz, claz);
// create fields
if (m_params.createFields) {
Field[] fields = claz.getFields();
for (Field field : fields) {
importField(dbClaz, field);
}
}
// create methods
if (m_params.createMethods) {
Method[] methods = claz.getMethods();
for (Method method : methods) {
importMethod(dbClaz, method);
}
}
// keep user informed of progression
String pattern = LocaleMgr.misc.getString("0SuccessfullyCreated");
String msg = MessageFormat.format(pattern, qualifiedName);
controller.println(msg);
} // end if
} catch (DbException ex) {
controller.println(ex.toString());
} // end try
return dbClaz;
} // end importClass()
public void visitJavaClass(JavaClass clazz) {
clazz.accept(visitor);
Field[] fields = clazz.getFields();
for (int i = 0; i < fields.length; i++) fields[i].accept(this);
Method[] methods = clazz.getMethods();
for (int i = 0; i < methods.length; i++) methods[i].accept(this);
Attribute[] attributes = clazz.getAttributes();
for (int i = 0; i < attributes.length; i++) attributes[i].accept(this);
clazz.getConstantPool().accept(this);
}
/**
* Dumps the contents of the specified class to the specified directory. The file is named
* dump_dir/[class].bcel. It contains a synopsis of the fields and methods followed by the jvm
* code for each method.
*
* @param jc javaclass to dump
* @param dump_dir directory in which to write the file
*/
public static void dump(JavaClass jc, File dump_dir) {
try {
dump_dir.mkdir();
File path = new File(dump_dir, jc.getClassName() + ".bcel");
PrintStream p = new PrintStream(path);
// Print the class, super class and interfaces
p.printf("class %s extends %s\n", jc.getClassName(), jc.getSuperclassName());
String[] inames = jc.getInterfaceNames();
if ((inames != null) && (inames.length > 0)) {
p.printf(" ");
for (String iname : inames) p.printf("implements %s ", iname);
p.printf("\n");
}
// Print each field
p.printf("\nFields\n");
for (Field f : jc.getFields()) p.printf(" %s\n", f);
// Print the signature of each method
p.printf("\nMethods\n");
for (Method m : jc.getMethods()) p.printf(" %s\n", m);
// If this is not an interface, print the code for each method
if (!jc.isInterface()) {
for (Method m : jc.getMethods()) {
p.printf("\nMethod %s\n", m);
Code code = m.getCode();
if (code != null) p.printf(" %s\n", code.toString().replace("\n", "\n "));
}
}
// Print the details of the constant pool.
p.printf("Constant Pool:\n");
ConstantPool cp = jc.getConstantPool();
Constant[] constants = cp.getConstantPool();
for (int ii = 0; ii < constants.length; ii++) {
p.printf(" %d %s\n", ii, constants[ii]);
}
p.close();
} catch (Exception e) {
throw new Error("Unexpected error dumping javaclass", e);
}
}
/**
* Initialize with existing class.
*
* @param clazz JavaClass object (e.g. read from file)
*/
public ClassGen(JavaClass clazz) {
class_name_index = clazz.getClassNameIndex();
superclass_name_index = clazz.getSuperclassNameIndex();
class_name = clazz.getClassName();
super_class_name = clazz.getSuperclassName();
file_name = clazz.getSourceFileName();
access_flags = clazz.getAccessFlags();
cp = new ConstantPoolGen(clazz.getConstantPool());
major = clazz.getMajor();
minor = clazz.getMinor();
Attribute[] attributes = clazz.getAttributes();
Method[] methods = clazz.getMethods();
Field[] fields = clazz.getFields();
String[] interfaces = clazz.getInterfaceNames();
for (int i = 0; i < interfaces.length; i++) addInterface(interfaces[i]);
for (int i = 0; i < attributes.length; i++) addAttribute(attributes[i]);
for (int i = 0; i < methods.length; i++) addMethod(methods[i]);
for (int i = 0; i < fields.length; i++) addField(fields[i]);
}
private static boolean hasStaticMembers(@NotNull JavaClass javaClass) {
for (JavaMethod method : javaClass.getMethods()) {
if (method.isStatic() && !shouldBeInEnumClassObject(method)) {
return true;
}
}
for (JavaField field : javaClass.getFields()) {
if (field.isStatic() && !field.isEnumEntry()) {
return true;
}
}
for (JavaClass nestedClass : javaClass.getInnerClasses()) {
if (SingleAbstractMethodUtils.isSamInterface(nestedClass)) {
return true;
}
if (nestedClass.isStatic() && hasStaticMembers(nestedClass)) {
return true;
}
}
return false;
}
