This API is a Sun Microsystems internal API and is subject * to change without notice.
*/ public class SnmpInt extends SnmpValue { private static final long serialVersionUID = -7163624758070343373L; // CONSTRUCTORS //------------- /** * Constructs a newSnmpInt from the specified integer value.
* @param v The initialization value.
* @exception IllegalArgumentException The specified value is smaller than Integer.MIN_VALUE
* or larger than Integer.MAX_VALUE.
*/
public SnmpInt(int v) throws IllegalArgumentException {
if ( isInitValueValid(v) == false ) {
throw new IllegalArgumentException() ;
}
value = (long)v ;
}
/**
* Constructs a new SnmpInt from the specified Integer value.
* @param v The initialization value.
* @exception IllegalArgumentException The specified value is smaller than Integer.MIN_VALUE
* or larger than Integer.MAX_VALUE.
*/
public SnmpInt(Integer v) throws IllegalArgumentException {
this(v.intValue()) ;
}
/**
* Constructs a new SnmpInt from the specified long value.
* @param v The initialization value.
* @exception IllegalArgumentException The specified value is smaller than Integer.MIN_VALUE
* or larger than Integer.MAX_VALUE.
*/
public SnmpInt(long v) throws IllegalArgumentException {
if ( isInitValueValid(v) == false ) {
throw new IllegalArgumentException() ;
}
value = v ;
}
/**
* Constructs a new SnmpInt from the specified Long value.
* @param v The initialization value.
* @exception IllegalArgumentException The specified value is smaller than Integer.MIN_VALUE
* or larger than Integer.MAX_VALUE.
*/
public SnmpInt(Long v) throws IllegalArgumentException {
this(v.longValue()) ;
}
/**
* Constructs a new SnmpInt from the specified Enumerated value.
* @param v The initialization value.
* @exception IllegalArgumentException The specified value is smaller than Integer.MIN_VALUE
* or larger than Integer.MAX_VALUE.
* @see Enumerated
*/
public SnmpInt(Enumerated v) throws IllegalArgumentException {
this(v.intValue()) ;
}
/**
* Constructs a new SnmpInt from the specified boolean value.
* This constructor applies rfc1903 rule:
*
* TruthValue ::= TEXTUAL-CONVENTION
* STATUS current
* DESCRIPTION
* "Represents a boolean value."
* SYNTAX INTEGER { true(1), false(2) }
* SnmpInt.
* @return The value.
*/
public long longValue() {
return value ;
}
/**
* Converts the integer value to its Long form.
* @return The Long representation of the value.
*/
public Long toLong() {
return value;
}
/**
* Converts the integer value to its integer form.
* @return The integer representation of the value.
*/
public int intValue() {
return (int) value ;
}
/**
* Converts the integer value to its Integer form.
* @return The Integer representation of the value.
*/
public Integer toInteger() {
return new Integer((int)value) ;
}
/**
* Converts the integer value to its String form.
* @return The String representation of the value.
*/
public String toString() {
return String.valueOf(value) ;
}
/**
* Converts the integer value to its SnmpOid form.
* @return The OID representation of the value.
*/
public SnmpOid toOid() {
return new SnmpOid(value) ;
}
/**
* Extracts the integer from an index OID and returns its
* value converted as an SnmpOid.
* @param index The index array.
* @param start The position in the index array.
* @return The OID representing the integer value.
* @exception SnmpStatusException There is no integer value
* available at the start position.
*/
public static SnmpOid toOid(long[] index, int start) throws SnmpStatusException {
try {
return new SnmpOid(index[start]) ;
}
catch(IndexOutOfBoundsException e) {
throw new SnmpStatusException(SnmpStatusException.noSuchName) ;
}
}
/**
* Scans an index OID, skips the integer value and returns the position
* of the next value.
* @param index The index array.
* @param start The position in the index array.
* @return The position of the next value.
* @exception SnmpStatusException There is no integer value
* available at the start position.
*/
public static int nextOid(long[] index, int start) throws SnmpStatusException {
if (start >= index.length) {
throw new SnmpStatusException(SnmpStatusException.noSuchName) ;
}
else {
return start + 1 ;
}
}
/**
* Appends an SnmpOid representing an SnmpInt to another OID.
* @param source An OID representing an SnmpInt value.
* @param dest Where source should be appended.
*/
public static void appendToOid(SnmpOid source, SnmpOid dest) {
if (source.getLength() != 1) {
throw new IllegalArgumentException() ;
}
dest.append(source) ;
}
/**
* Performs a clone action. This provides a workaround for the
* SnmpValue interface.
* @return The SnmpValue clone.
*/
final synchronized public SnmpValue duplicate() {
return (SnmpValue) clone() ;
}
/**
* Clones the SnmpInt object, making a copy of its data.
* @return The object clone.
*/
final synchronized public Object clone() {
SnmpInt newclone = null ;
try {
newclone = (SnmpInt) super.clone() ;
newclone.value = value ;
} catch (CloneNotSupportedException e) {
throw new InternalError(e) ; // vm bug.
}
return newclone ;
}
/**
* Returns a textual description of the type object.
* @return ASN.1 textual description.
*/
public String getTypeName() {
return name ;
}
/**
* This method has been defined to allow the sub-classes
* of SnmpInt to perform their own control at intialization time.
*/
boolean isInitValueValid(int v) {
if ((v < Integer.MIN_VALUE) || (v > Integer.MAX_VALUE)) {
return false;
}
return true;
}
/**
* This method has been defined to allow the sub-classes
* of SnmpInt to perform their own control at intialization time.
*/
boolean isInitValueValid(long v) {
if ((v < Integer.MIN_VALUE) || (v > Integer.MAX_VALUE)) {
return false;
}
return true;
}
// VARIABLES
//----------
/**
* Name of the type.
*/
final static String name = "Integer32" ;
/**
* This is where the value is stored. This long is signed.
* @serial
*/
protected long value = 0 ;
}