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| Code Block | ||
|---|---|---|
| ||
class UnmodifiableDateView extends Date {
private Date date;
public UnmodifiableDateView(Date date) {
this.date = date;
}
public void setTime(long date) {
throw new UnsupportedOperationException();
}
// Override all other mutator methods to throw UnsupportedOperationException
}
public final class MutableClass {
private Date date;
public MutableClass(Date d) {
this.date = d;
}
public void setDate(Date d) {
this.date = (Date) d.clone();
}
public UnmodifiableDateView getDate() {
return new UnmodifiableDateView(date);
}
}
|
Exceptions
OBJ04-EX0: Sensitive classes should not be cloneable, per rule OBJ07-J. Sensitive classes must not let themselves be copied.
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<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="b8c342aec266c5b3-e6212a7e-490d48ac-9ec1a8e3-3d13161e44c420bebc9024b9"><ac:plain-text-body><![CDATA[ | [[API 2006 | AA. Bibliography#API 06]] | [Method | http://java.sun.com/javase/6/docs/api/java/lang/Object.html#clone()] | ]]></ac:plain-text-body></ac:structured-macro> |
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="d926e4ec394a99c4-3f4e7c93-47df4a20-9541974d-8ba14e0685bb057443d706a3"><ac:plain-text-body><![CDATA[ | [[Bloch 2008 | AA. Bibliography#Bloch 08]] | Item 39. Make defensive copies when needed, Item 11. Override clone judiciously | ]]></ac:plain-text-body></ac:structured-macro> | |
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="f1d87c5a781a0f73-b1935564-411240d5-ae48bb5d-7700443469d46ae83ecc468f"><ac:plain-text-body><![CDATA[ | [[Security 2006 | AA. Bibliography#Security 06]] | ]]></ac:plain-text-body></ac:structured-macro> |
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