public void writeTo(DataOutputStream data) throws IOException {
data.write(tag.getTagId());
switch (tag) {
case CpClass:
data.writeShort(name_index);
break;
case CpFieldref:
case CpMethodref:
case CpInterfaceMethodref:
data.writeShort(class_index);
data.writeShort(name_and_type_index);
break;
case CpString:
data.writeShort(string_index);
break;
case CpInteger:
case CpFloat:
data.writeInt(bytes);
break;
case CpLong:
case CpDouble:
data.writeInt(high_bytes);
data.writeInt(low_bytes);
break;
case CpNameAndType:
data.writeShort(name_index);
data.writeShort(signature_index);
break;
case CpUtf8:
case CpUnicode:
data.writeUTF(str_bytes);
break;
}
}
public String toString() {
StringBuilder builder = new StringBuilder();
builder.append(tag.name());
builder.append(": ");
switch (tag) {
case CpClass:
builder.append("name_index => " + name_index);
break;
case CpFieldref:
case CpMethodref:
case CpInterfaceMethodref:
builder.append("class_index => " + class_index + ", ");
builder.append("name_and_type_index => " + name_and_type_index);
break;
case CpString:
builder.append("string_index => " + string_index);
break;
case CpInteger:
case CpFloat:
builder.append("bytes => " + bytes);
break;
case CpLong:
case CpDouble:
builder.append("high_bytes => " + high_bytes + ", ");
builder.append("low_bytes => " + low_bytes);
break;
case CpNameAndType:
builder.append("name_index => " + name_index + ", ");
builder.append("signature_index => " + signature_index);
break;
case CpUtf8:
case CpUnicode:
builder.append("[String] => " + str_bytes);
break;
}
return builder.toString();
}
public static CpInfo constructFrom(DataInputStream data) throws IOException {
CpInfo cp = new CpInfo(CpInfoTag.searchTag(data.readByte()));
cp.readFrom(data);
return cp;
}
