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* Update opt* methods for JSONArray

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* Add support to JSONArray and JSONObject to optionally get raw number values
* Add support to JSONArray and JSONObject to optionally get float values
This commit is contained in:
John J. Aylward 2017-05-17 11:29:26 -04:00
parent bd4b180f4e
commit c46774cf13
2 changed files with 293 additions and 58 deletions
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161
JSONArray.java
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@ -518,11 +518,63 @@ public class JSONArray implements Iterable<Object> {
* @return The value.
*/
public double optDouble(int index, double defaultValue) {
try {
return this.getDouble(index);
} catch (Exception e) {
Object val = this.opt(index);
if (JSONObject.NULL.equals(val)) {
return defaultValue;
}
if (val instanceof Number){
return ((Number) val).doubleValue();
}
if (val instanceof String) {
try {
return new BigDecimal((String) val).doubleValue();
} catch (Exception e) {
return defaultValue;
}
}
return defaultValue;
}
/**
* Get the optional double value associated with an index. NaN is returned
* if there is no value for the index, or if the value is not a number and
* cannot be converted to a number.
*
* @param index
* The index must be between 0 and length() - 1.
* @return The value.
*/
public float optFloat(int index) {
return this.optFloat(index, Float.NaN);
}
/**
* Get the optional double value associated with an index. The defaultValue
* is returned if there is no value for the index, or if the value is not a
* number and cannot be converted to a number.
*
* @param index
* subscript
* @param defaultValue
* The default value.
* @return The value.
*/
public float optFloat(int index, float defaultValue) {
Object val = this.opt(index);
if (JSONObject.NULL.equals(val)) {
return defaultValue;
}
if (val instanceof Number){
return ((Number) val).floatValue();
}
if (val instanceof String) {
try {
return new BigDecimal((String) val).floatValue();
} catch (Exception e) {
return defaultValue;
}
}
return defaultValue;
}
/**
@ -550,11 +602,22 @@ public class JSONArray implements Iterable<Object> {
* @return The value.
*/
public int optInt(int index, int defaultValue) {
try {
return this.getInt(index);
} catch (Exception e) {
Object val = this.opt(index);
if (JSONObject.NULL.equals(val)) {
return defaultValue;
}
if (val instanceof Number){
return ((Number) val).intValue();
}
if (val instanceof String) {
try {
return new BigDecimal(val.toString()).intValue();
} catch (Exception e) {
return defaultValue;
}
}
return defaultValue;
}
/**
@ -615,8 +678,25 @@ public class JSONArray implements Iterable<Object> {
* @return The value.
*/
public BigInteger optBigInteger(int index, BigInteger defaultValue) {
Object val = this.opt(index);
if (JSONObject.NULL.equals(val)) {
return defaultValue;
}
if (val instanceof BigInteger){
return (BigInteger) val;
}
if (val instanceof BigDecimal){
return ((BigDecimal) val).toBigInteger();
}
if (val instanceof Double || val instanceof Float){
return new BigDecimal(((Number) val).doubleValue()).toBigInteger();
}
if (val instanceof Long || val instanceof Integer
|| val instanceof Short || val instanceof Byte){
return BigInteger.valueOf(((Number) val).longValue());
}
try {
return this.getBigInteger(index);
return new BigDecimal(val.toString()).toBigInteger();
} catch (Exception e) {
return defaultValue;
}
@ -634,8 +714,25 @@ public class JSONArray implements Iterable<Object> {
* @return The value.
*/
public BigDecimal optBigDecimal(int index, BigDecimal defaultValue) {
Object val = this.opt(index);
if (JSONObject.NULL.equals(val)) {
return defaultValue;
}
if (val instanceof BigDecimal){
return (BigDecimal) val;
}
if (val instanceof BigInteger){
return new BigDecimal((BigInteger) val);
}
if (val instanceof Double || val instanceof Float){
return new BigDecimal(((Number) val).doubleValue());
}
if (val instanceof Long || val instanceof Integer
|| val instanceof Short || val instanceof Byte){
return new BigDecimal(((Number) val).longValue());
}
try {
return this.getBigDecimal(index);
return new BigDecimal(val.toString());
} catch (Exception e) {
return defaultValue;
}
@ -693,11 +790,53 @@ public class JSONArray implements Iterable<Object> {
* @return The value.
*/
public long optLong(int index, long defaultValue) {
try {
return this.getLong(index);
} catch (Exception e) {
Object val = this.opt(index);
if (JSONObject.NULL.equals(val)) {
return defaultValue;
}
if (val instanceof Number){
return ((Number) val).longValue();
}
if (val instanceof String) {
try {
return new BigDecimal(val.toString()).longValue();
} catch (Exception e) {
return defaultValue;
}
}
return defaultValue;
}
/**
* Get an optional {@link Number} value associated with a key, or the default if there
* is no such key or if the value is not a number. If the value is a string,
* an attempt will be made to evaluate it as a number ({@link BigDecimal}). This method
* would be used in cases where type coercion of the number value is unwanted.
*
* @param index
* The index must be between 0 and length() - 1.
* @param defaultValue
* The default.
* @return An object which is the value.
*/
public Number optNumber(int index, Number defaultValue) {
Object val = this.opt(index);
if (JSONObject.NULL.equals(val)) {
return defaultValue;
}
if (val instanceof Number){
return (Number) val;
}
if (val instanceof String) {
try {
return new BigDecimal(val.toString());
} catch (Exception e) {
return defaultValue;
}
}
return defaultValue;
}
/**