public class MultipartException
extends java.lang.Exception
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 FormModifier and Type | Field and Description |
---|---|
protected java.util.List |
errors
List used internally to store Strings of error messages.
|
Constructor and Description |
---|
MultipartException()
Default constructor.
|
Modifier and Type | Method and Description |
---|---|
void |
add(java.lang.String msg)
Add an error message to the Exception.
|
void |
add(java.lang.Throwable exception)
Add an Exception's error message to the Exception.
|
java.lang.String[] |
getArray()
Return error msgs as String array.
|
java.util.Iterator |
getIterator()
Return Iterator of String error msgs.
|
java.util.List |
getList()
Return error msgs as List of Strings.
|
boolean |
hasErrors()
Check whether any errors have been added.
|
java.util.Iterator |
list()
Deprecated.
Use getIterator() instead.
|
protected java.util.List errors
public MultipartException()
public java.lang.String[] getArray()
public java.util.Iterator getIterator()
public java.util.List getList()
public void add(java.lang.String msg)
msg
- Error message.public void add(java.lang.Throwable exception)
exception
- Exception of which getMessage()
is called to add the message.public boolean hasErrors()
public java.util.Iterator list()
String
representations of error message.