/**
* Creates a public setter method. The setter method assigns the value of the first parameter to
* the specified field in the class to which this method is added. The created method is not
* static even if the field is static. You may not change it to be static by <code>setModifiers()
* </code> in <code>CtBehavior</code>.
*
* @param methodName the name of the setter
* @param field the field accessed.
*/
public static CtMethod setter(String methodName, CtField field) throws CannotCompileException {
FieldInfo finfo = field.getFieldInfo2();
String fieldType = finfo.getDescriptor();
String desc = "(" + fieldType + ")V";
ConstPool cp = finfo.getConstPool();
MethodInfo minfo = new MethodInfo(cp, methodName, desc);
minfo.setAccessFlags(AccessFlag.PUBLIC);
Bytecode code = new Bytecode(cp, 3, 3);
try {
String fieldName = finfo.getName();
if ((finfo.getAccessFlags() & AccessFlag.STATIC) == 0) {
code.addAload(0);
code.addLoad(1, field.getType());
code.addPutfield(Bytecode.THIS, fieldName, fieldType);
} else {
code.addLoad(1, field.getType());
code.addPutstatic(Bytecode.THIS, fieldName, fieldType);
}
code.addReturn(null);
} catch (NotFoundException e) {
throw new CannotCompileException(e);
}
minfo.setCodeAttribute(code.toCodeAttribute());
return new CtMethod(minfo, field.getDeclaringClass());
}
/** Prints the contents of a class file. */
public static void print(ClassFile cf, PrintWriter out) {
List<?> list;
int n;
/*
* 0x0020 (SYNCHRONIZED) means ACC_SUPER if the modifiers are of a
* class.
*/
int mod = AccessFlag.toModifier(cf.getAccessFlags() & ~AccessFlag.SYNCHRONIZED);
out.println(
"major: "
+ cf.major
+ ", minor: "
+ cf.minor
+ " modifiers: "
+ Integer.toHexString(cf.getAccessFlags()));
out.println(
Modifier.toString(mod) + " class " + cf.getName() + " extends " + cf.getSuperclass());
String[] infs = cf.getInterfaces();
if (infs != null && infs.length > 0) {
out.print(" implements ");
out.print(infs[0]);
for (int i = 1; i < infs.length; ++i) {
out.print(", " + infs[i]);
}
out.println();
}
out.println();
list = cf.getFields();
n = list.size();
for (int i = 0; i < n; ++i) {
FieldInfo finfo = (FieldInfo) list.get(i);
int acc = finfo.getAccessFlags();
out.println(
Modifier.toString(AccessFlag.toModifier(acc))
+ " "
+ finfo.getName()
+ "\t"
+ finfo.getDescriptor());
printAttributes(finfo.getAttributes(), out, 'f');
}
out.println();
list = cf.getMethods();
n = list.size();
for (int i = 0; i < n; ++i) {
MethodInfo minfo = (MethodInfo) list.get(i);
int acc = minfo.getAccessFlags();
out.println(
Modifier.toString(AccessFlag.toModifier(acc))
+ " "
+ minfo.getName()
+ "\t"
+ minfo.getDescriptor());
printAttributes(minfo.getAttributes(), out, 'm');
out.println();
}
out.println();
printAttributes(cf.getAttributes(), out, 'c');
}