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java.lang.Objectjava.lang.Throwable
java.lang.Exception
com.opensymphony.util.MultipartException
Exception to encapsulate many exceptions.
class MyException extends MultipartException { // No class body needed as overrides default constructor. } public void doStuff() { try { checkEverything(); println("Everything went fine."); } catch (MultipartException error) { Iterator i = error.list(); println("Failed:"); while(i.hasNext()) { println(" - " + (String)i.next() ); } } } private void checkEverything() throws MyException { MyException m = new MyException; // add some exceptions if methods don't check out. if ( !verifySomething() ) m.add("Something not verified"); if ( !verifySomethingElse() ) m.add("Something else not verified"); // also (just for fun), add an exception if another exception is called. try { someMethodThatThrowsAnException() } catch(SomeWeirdException e) { m.add(e) } // check if any exceptions have been added and re-throw in one go if they have. if (m.hasErrors()) throw m; }
Exception
,
List
,
Serialized FormField Summary | |
protected List |
errors
List used internally to store Strings of error messages. |
Constructor Summary | |
MultipartException()
Default constructor. |
Method Summary | |
void |
add(String msg)
Add an error message to the Exception. |
void |
add(Throwable exception)
Add an Exception's error message to the Exception. |
String[] |
getArray()
Return error msgs as String array. |
Iterator |
getIterator()
Return Iterator of String error msgs. |
List |
getList()
Return error msgs as List of Strings. |
boolean |
hasErrors()
Check whether any errors have been added. |
Iterator |
list()
Deprecated. Use getIterator() instead. |
Methods inherited from class java.lang.Throwable |
fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
protected List errors
Constructor Detail |
public MultipartException()
Method Detail |
public String[] getArray()
public Iterator getIterator()
public List getList()
public void add(String msg)
msg
- Error message.public void add(Throwable exception)
exception
- Exception of which getMessage()
is called to add the message.public boolean hasErrors()
public Iterator list()
String
representations of error message.
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