private void init() {
isOffsetConstant = getOffsetExpression() instanceof LiteralExpression;
isLengthConstant = getLengthExpression() instanceof LiteralExpression;
hasLengthExpression =
!isLengthConstant || ((LiteralExpression) getLengthExpression()).getValue() != null;
isFixedWidth =
getStrExpression().getDataType().isFixedWidth()
&& ((hasLengthExpression && isLengthConstant)
|| (!hasLengthExpression && isOffsetConstant));
if (hasLengthExpression && isLengthConstant) {
Integer maxLength =
((Number) ((LiteralExpression) getLengthExpression()).getValue()).intValue();
this.byteSize = maxLength >= 0 ? maxLength : 0;
} else if (isOffsetConstant) {
Number offsetNumber = (Number) ((LiteralExpression) getOffsetExpression()).getValue();
if (offsetNumber != null) {
int offset = offsetNumber.intValue();
if (getStrExpression().getDataType().isFixedWidth()) {
if (offset >= 0) {
byteSize = getStrExpression().getByteSize() - offset - (offset == 0 ? 0 : 1);
} else {
byteSize = -offset;
}
}
}
}
}
/*
* Making sure that the user input is in range
* @param1 Scanner object for input
* @param2 lowerbound integer
* @param3 upperbound integer
* @param4 String that specifies for which attribute/field input is for
* printing purposes
* @param5 ValType enum that specifies whether the primitive value is
* an int or double
* @param6 boolean that specifies whether the input is an Enum value
* @param7 boolean that specifies whether to return the value if out of
* range (false) or not (true)
*/
public static Number makeSureValInRange(
Scanner input,
int lowerbound,
int upperbound,
String inputFor,
ValType valType,
boolean enumeration,
boolean withinRange) {
boolean valid = !withinRange;
Number val = 0;
while (!valid) {
System.out.println(inputString(inputFor, null, StringOption.SELECT, enumeration));
val = valType == ValType.INTEGER ? input.nextInt() : input.nextDouble();
if (val.intValue() < lowerbound || val.intValue() > upperbound) {
System.out.println(inputString(inputFor, null, StringOption.INCORRECT, enumeration));
} else {
valid = true;
}
}
return val;
}
/**
* Tests if this object is equal to another
*
* @param a_obj the other object
* @return true: this object is equal to the other one
* @author Klaus Meffert
* @since 2.3
*/
public boolean equals(final Object a_obj) {
if (a_obj == null) {
return false;
}
if (a_obj == this) {
return true;
}
if (!(a_obj instanceof KeyedValues)) {
return false;
}
final KeyedValues kvs = (KeyedValues) a_obj;
final int count = size();
if (count != kvs.size()) {
return false;
}
for (int i = 0; i < count; i++) {
final Comparable k1 = getKey(i);
final Comparable k2 = kvs.getKey(i);
if (!k1.equals(k2)) {
return false;
}
final Number v1 = getValue(i);
final Number v2 = kvs.getValue(i);
if (v1 == null) {
if (v2 != null) {
return false;
}
} else {
if (!v1.equals(v2)) {
return false;
}
}
}
return true;
}
@Override
public long getLong(final String key) {
final Number number = this.extractNumber(this.findLastTag(key));
if (number == null) {
return 0L;
}
return number.longValue();
}
@Override
public int getInt(final String key) {
final Number number = this.extractNumber(this.findLastTag(key));
if (number == null) {
return 0;
}
return number.intValue();
}
@Override
public double getDouble(final String key) {
final Number number = this.extractNumber(this.findLastTag(key));
if (number == null) {
return 0.0;
}
return number.doubleValue();
}
/**
* Looks up the given key in the given map, converting the result into a {@link Short}. First,
* {@link #getNumber(Map,Object)} is invoked. If the result is null, then null is returned.
* Otherwise, the short value of the resulting {@link Number} is returned.
*
* @param map the map whose value to look up
* @param key the key whose value to look up in that map
* @return a {@link Short} or null
*/
public static Short getShort(Map map, Object key) {
Number answer = getNumber(map, key);
if (answer == null) {
return null;
} else if (answer instanceof Short) {
return (Short) answer;
}
return new Short(answer.shortValue());
}
/**
* Looks up the given key in the given map, converting the result into a {@link Byte}. First,
* {@link #getNumber(Map,Object)} is invoked. If the result is null, then null is returned.
* Otherwise, the byte value of the resulting {@link Number} is returned.
*
* @param map the map whose value to look up
* @param key the key whose value to look up in that map
* @return a {@link Byte} or null
*/
public static Byte getByte(Map map, Object key) {
Number answer = getNumber(map, key);
if (answer == null) {
return null;
} else if (answer instanceof Byte) {
return (Byte) answer;
}
return new Byte(answer.byteValue());
}
/**
* Looks up the given key in the given map, converting the result into a {@link Long}. First,
* {@link #getNumber(Map,Object)} is invoked. If the result is null, then null is returned.
* Otherwise, the long value of the resulting {@link Number} is returned.
*
* @param map the map whose value to look up
* @param key the key whose value to look up in that map
* @return a {@link Long} or null
*/
public static Long getLong(Map map, Object key) {
Number answer = getNumber(map, key);
if (answer == null) {
return null;
} else if (answer instanceof Long) {
return (Long) answer;
}
return new Long(answer.longValue());
}
/**
* Looks up the given key in the given map, converting the result into a {@link Float}. First,
* {@link #getNumber(Map,Object)} is invoked. If the result is null, then null is returned.
* Otherwise, the float value of the resulting {@link Number} is returned.
*
* @param map the map whose value to look up
* @param key the key whose value to look up in that map
* @return a {@link Float} or null
*/
public static Float getFloat(Map map, Object key) {
Number answer = getNumber(map, key);
if (answer == null) {
return null;
} else if (answer instanceof Float) {
return (Float) answer;
}
return new Float(answer.floatValue());
}
/**
* Looks up the given key in the given map, converting the result into a {@link Double}. First,
* {@link #getNumber(Map,Object)} is invoked. If the result is null, then null is returned.
* Otherwise, the double value of the resulting {@link Number} is returned.
*
* @param map the map whose value to look up
* @param key the key whose value to look up in that map
* @return a {@link Double} or null
*/
public static Double getDouble(Map map, Object key) {
Number answer = getNumber(map, key);
if (answer == null) {
return null;
} else if (answer instanceof Double) {
return (Double) answer;
}
return new Double(answer.doubleValue());
}
/** Return a double parsed from the given string, possibly formatted with a "%" sign */
public static double parseDouble(String val) throws NumberFormatException, ParseException {
NumberFormat formatPercent = NumberFormat.getPercentInstance(Locale.US); // for zoom factor
if (val.indexOf("%") == -1) { // not in percent format !
return Double.parseDouble(val);
}
// else it's a percent format -> parse it
Number n = formatPercent.parse(val);
return n.doubleValue();
}
/**
* Looks up the given key in the given map, converting the result into an {@link Integer}. First,
* {@link #getNumber(Map,Object)} is invoked. If the result is null, then null is returned.
* Otherwise, the integer value of the resulting {@link Number} is returned.
*
* @param map the map whose value to look up
* @param key the key whose value to look up in that map
* @return an {@link Integer} or null
*/
public static Integer getInteger(Map map, Object key) {
Number answer = getNumber(map, key);
if (answer == null) {
return null;
} else if (answer instanceof Integer) {
return (Integer) answer;
}
return new Integer(answer.intValue());
}
/**
* Overrides the parent implementation to provide a more efficient mechanism for generating
* primary keys, while generating the primary key support on the fly.
*
* @param count the batch size
* @param entity the entity requesting primary keys
* @param channel open JDBCChannel
* @return NSArray of NSDictionary where each dictionary corresponds to a unique primary key value
*/
public NSArray newPrimaryKeys(int count, EOEntity entity, JDBCChannel channel) {
if (isPrimaryKeyGenerationNotSupported(entity)) {
return null;
}
EOAttribute attribute = (EOAttribute) entity.primaryKeyAttributes().lastObject();
String attrName = attribute.name();
boolean isIntType = "i".equals(attribute.valueType());
NSMutableArray results = new NSMutableArray(count);
String sequenceName = sequenceNameForEntity(entity);
DB2Expression expression = new DB2Expression(entity);
boolean succeeded = false;
for (int tries = 0; !succeeded && tries < 2; tries++) {
while (results.count() < count) {
try {
StringBuffer sql = new StringBuffer();
sql.append("SELECT ");
sql.append("next value for " + sequenceName + " AS KEY");
sql.append(" from sysibm.sysdummy1");
expression.setStatement(sql.toString());
channel.evaluateExpression(expression);
try {
NSDictionary row;
while ((row = channel.fetchRow()) != null) {
Enumeration pksEnum = row.allValues().objectEnumerator();
while (pksEnum.hasMoreElements()) {
Number pkObj = (Number) pksEnum.nextElement();
Number pk;
if (isIntType) {
pk = Integer.valueOf(pkObj.intValue());
} else {
pk = Long.valueOf(pkObj.longValue());
}
results.addObject(new NSDictionary(pk, attrName));
}
}
} finally {
channel.cancelFetch();
}
succeeded = true;
} catch (JDBCAdaptorException ex) {
throw ex;
}
}
}
if (results.count() != count) {
throw new IllegalStateException(
"Unable to generate primary keys from the sequence for " + entity + ".");
}
return results;
}
public void putByGlobalType(long i, Number element) {
if (globalType == Type.INT || type == Type.INT) {
int anElement = element.intValue();
put(i, anElement);
} else if (globalType == Type.FLOAT) {
float anElement = element.floatValue();
put(i, anElement);
} else if (globalType == Type.DOUBLE) {
double anElement = element.doubleValue();
put(i, anElement);
}
}
@Override
public boolean preservesOrder() {
if (isOffsetConstant) {
LiteralExpression literal = (LiteralExpression) getOffsetExpression();
Number offsetNumber = (Number) literal.getValue();
if (offsetNumber != null) {
int offset = offsetNumber.intValue();
return (offset == 0 || offset == 1) && (!hasLengthExpression || isLengthConstant);
}
}
return false;
}
/**
* Looks up the given key in the given map, converting the result into a {@link Boolean}. If the
* map is null, this method returns null. If the value mapped by the given key is a {@link
* Boolean}, then it is returned as-is. Otherwise, if the value is a string, then if that string
* ignoring case equals "true", then a true {@link Boolean} is returned. Any other string value
* will result in a false {@link Boolean} being returned. OR, if the value is a {@link Number},
* and that {@link Number} is 0, then a false {@link Boolean} is returned. Any other {@link
* Number} value results in a true {@link Boolean} being returned.
*
* <p>Any value that is not a {@link Boolean}, {@link String} or {@link Number} results in null
* being returned.
*
* <p>
*
* @param map the map whose value to look up
* @param key the key whose value to look up in that map
* @return a {@link Boolean} or null
*/
public static Boolean getBoolean(Map map, Object key) {
if (map != null) {
Object answer = map.get(key);
if (answer != null) {
if (answer instanceof Boolean) {
return (Boolean) answer;
} else if (answer instanceof String) {
return new Boolean((String) answer);
} else if (answer instanceof Number) {
Number n = (Number) answer;
return (n.intValue() != 0) ? Boolean.TRUE : Boolean.FALSE;
}
}
}
return null;
}
/**
* @return a double parsed from the value associated with the given key in the given Properties.
* returns "def" in key wasn't found, or if a parsing error occured. If "value" contains a "%"
* sign, we use a <code>NumberFormat.getPercentInstance</code> to convert it to a double.
*/
public static double parseProperty(Properties preferences, String key, double def) {
NumberFormat formatPercent = NumberFormat.getPercentInstance(Locale.US); // for zoom factor
String val = preferences.getProperty(key);
if (val == null) return def;
if (val.indexOf("%") == -1) { // not in percent format !
try {
return Double.parseDouble(val);
} catch (NumberFormatException nfe) {
nfe.printStackTrace();
return def;
}
}
// else it's a percent format -> parse it
try {
Number n = formatPercent.parse(val);
return n.doubleValue();
} catch (ParseException ex) {
ex.printStackTrace();
return def;
}
}
public boolean getBoolean() throws SQLException {
int type = JSONTypes.jsonTypes.get(field.getType());
switch (type) {
case JSONTypes.JSON_BOOLEAN:
return (boolean) jsonObject;
case JSONTypes.JSON_NUMBER:
Number number = (Number) jsonObject;
return !number.equals((Number) 0);
case JSONTypes.JSON_STRING:
String string = (String) jsonObject;
return !string.isEmpty();
case JSONTypes.JSON_MAP:
case JSONTypes.JSON_OBJECT:
Map map = (Map) jsonObject;
return !map.isEmpty();
case JSONTypes.JSON_ARRAY:
List list = (List) jsonObject;
return !list.isEmpty();
default:
return false;
}
}
/** Calls replReturnedResult() */
public Void forNumberValue(Number n) {
_interactionsModel.replReturnedResult(n.toString(), InteractionsDocument.NUMBER_RETURN_STYLE);
return null;
}
@Override
public boolean matches(Number value) {
return value.intValue() >= minimum;
}
@Override
public boolean getBoolean(final String key) {
final Number number = this.extractNumber(this.findLastTag(key));
return number != null && number.byteValue() >= 1;
}
@Override
public void assign(Number value, long offset) {
// note here that the final put will take care of the offset
for (long i = offset; i < length(); i++) put(i, value.doubleValue());
}
private void writeNumberProperty(Writer writer, Number integer) throws IOException {
writer.write(integer.toString());
writer.write(NEW_LINE);
}
// Subtract given number from given key
public void sub(String key, Number n) {
BigDecimal v =
new BigDecimal(properties.get(key).toString()).add(new BigDecimal("" + n.toString()));
properties.put(key, v.toString());
}
public double getStrokeMiterLimitFactor() {
Number value = (Number) getAttribute(AttributeKeys.STROKE_MITER_LIMIT);
return (value != null) ? value.doubleValue() : 10f;
}
/**
* Helper method to try to call appropriate write method for given untyped Object. At this point,
* no structural conversions should be done, only simple basic types are to be coerced as
* necessary.
*
* @param value Non-null value to write
*/
protected void _writeSimpleObject(Object value) throws IOException, JsonGenerationException {
/* 31-Dec-2009, tatu: Actually, we could just handle some basic
* types even without codec. This can improve interoperability,
* and specifically help with TokenBuffer.
*/
if (value == null) {
writeNull();
return;
}
if (value instanceof String) {
writeString((String) value);
return;
}
if (value instanceof Number) {
Number n = (Number) value;
if (n instanceof Integer) {
writeNumber(n.intValue());
return;
} else if (n instanceof Long) {
writeNumber(n.longValue());
return;
} else if (n instanceof Double) {
writeNumber(n.doubleValue());
return;
} else if (n instanceof Float) {
writeNumber(n.floatValue());
return;
} else if (n instanceof Short) {
writeNumber(n.shortValue());
return;
} else if (n instanceof Byte) {
writeNumber(n.byteValue());
return;
} else if (n instanceof BigInteger) {
writeNumber((BigInteger) n);
return;
} else if (n instanceof BigDecimal) {
writeNumber((BigDecimal) n);
return;
// then Atomic types
} else if (n instanceof AtomicInteger) {
writeNumber(((AtomicInteger) n).get());
return;
} else if (n instanceof AtomicLong) {
writeNumber(((AtomicLong) n).get());
return;
}
} else if (value instanceof byte[]) {
writeBinary((byte[]) value);
return;
} else if (value instanceof Boolean) {
writeBoolean(((Boolean) value).booleanValue());
return;
} else if (value instanceof AtomicBoolean) {
writeBoolean(((AtomicBoolean) value).get());
return;
}
throw new IllegalStateException(
"No ObjectCodec defined for the generator, can only serialize simple wrapper types (type passed "
+ value.getClass().getName()
+ ")");
}
public void setUpperCtrlLimit(Number limit) {
_ucl = new Short(limit.shortValue());
}
public void setLowerCtrlLimit(Number limit) {
_lcl = new Short(limit.shortValue());
}
@Override
public void assign(Number value, int offset) {
for (int i = offset; i < length(); i++) put(i, value.doubleValue());
}
