private void valuePairPrefix(final String name) {
if (!hasParams) {
hasParams = true;
if (myDesc != null) {
myBuilder.append('(');
}
} else {
myBuilder.append(',');
}
if (name != null) {
myBuilder.append(name).append('=');
}
}
@Override
public void visitEnd() {
if (hasParams && myDesc != null) {
myBuilder.append(')');
}
myCallback.callback(myBuilder.toString());
}
public AnnotationTextCollector(@Nullable String desc, AnnotationResultCallback callback) {
super(Opcodes.ASM4);
myCallback = callback;
myDesc = desc;
if (desc != null) {
myBuilder.append('@').append(getTypeText(Type.getType(desc)));
}
}
@Override
public AnnotationVisitor visitArray(final String name) {
valuePairPrefix(name);
myBuilder.append("{");
return new AnnotationTextCollector(
null,
new AnnotationResultCallback() {
@Override
public void callback(final String text) {
myBuilder.append(text).append('}');
}
});
}
@Nullable
private static String constToString(@Nullable Object value, @Nullable String type, boolean anno) {
if (value == null) return null;
if (value instanceof String) {
return "\"" + StringUtil.escapeStringCharacters((String) value) + "\"";
}
if (value instanceof Boolean || value instanceof Short || value instanceof Byte) {
return value.toString();
}
if (value instanceof Character) {
return "'" + StringUtil.escapeCharCharacters(value.toString()) + "'";
}
if (value instanceof Long) {
return value.toString() + "L";
}
if (value instanceof Integer) {
if ("boolean".equals(type)) {
if (value.equals(0)) return "false";
if (value.equals(1)) return "true";
}
if ("char".equals(type)) {
char ch = (char) ((Integer) value).intValue();
return "'" + StringUtil.escapeCharCharacters(String.valueOf(ch)) + "'";
}
return value.toString();
}
if (value instanceof Double) {
final double d = ((Double) value).doubleValue();
if (Double.isInfinite(d)) {
return d > 0 ? DOUBLE_POSITIVE_INF : DOUBLE_NEGATIVE_INF;
} else if (Double.isNaN(d)) {
return DOUBLE_NAN;
}
return Double.toString(d);
}
if (value instanceof Float) {
final float v = ((Float) value).floatValue();
if (Float.isInfinite(v)) {
return v > 0 ? FLOAT_POSITIVE_INF : FLOAT_NEGATIVE_INF;
} else if (Float.isNaN(v)) {
return FLOAT_NAN;
} else {
return Float.toString(v) + "f";
}
}
if (value.getClass().isArray()) {
StringBuilder buffer = new StringBuilder();
buffer.append('{');
for (int i = 0, length = Array.getLength(value); i < length; i++) {
if (i > 0) buffer.append(", ");
buffer.append(Array.get(value, i));
}
buffer.append('}');
return buffer.toString();
}
if (anno && value instanceof Type) {
return getTypeText((Type) value) + ".class";
}
return null;
}
@Override
public void visitEnum(final String name, final String desc, final String value) {
valuePairPrefix(name);
myBuilder.append(getTypeText(Type.getType(desc))).append(".").append(value);
}
@Override
public void visit(final String name, final Object value) {
valuePairPrefix(name);
myBuilder.append(constToString(value, null, true));
}