import java.io.IOException;
import java.io.StringWriter;
import java.io.Writer;
-import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
-import java.util.*;
-
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.LinkedHashMap;
+import java.util.Map;
+import java.util.Set;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONString;
* @version 2012-12-01
*/
public class LOGJSONObject {
+
/**
* The maximum number of keys in the key pool.
*/
- private static final int keyPoolSize = 100;
+ private static final int KEY_POOL_SIZE = 100;
+ private static final String USING_DEFAULT_VALUE = "Using defaultValue: ";
+ private static final String JSON_OBJECT_CONST = "JSONObject[";
/**
* Key pooling is like string interning, but without permanently tying up
* JSONObjects will be avoided by using a key pool to manage unique key
* string objects. This is used by JSONObject.put(string, object).
*/
- private static Map<String, Object> keyPool = new LinkedHashMap<String, Object>(keyPoolSize);
+ private static Map<String, Object> keyPool = new LinkedHashMap<>(KEY_POOL_SIZE);
private static final EELFLogger intlogger = EELFManager.getInstance().getLogger("InternalLog");
* <code>JSONObject.NULL.equals(null)</code> returns <code>true</code>.
* <code>JSONObject.NULL.toString()</code> returns <code>"null"</code>.
*/
- public static final Object NULL = new Null();
+ private static final Object NULL = new Null();
/**
* Construct an empty JSONObject.
* @throws JSONException
*/
public LOGJSONObject(Map<String, Object> map) {
- this.map = new LinkedHashMap<String, Object>();
+ this.map = new LinkedHashMap<>();
if (map != null) {
Iterator<Map.Entry<String, Object>> i = map.entrySet().iterator();
while (i.hasNext()) {
this.populateMap(bean);
}
- /**
- * Construct a JSONObject from an Object, using reflection to find the
- * public members. The resulting JSONObject's keys will be the strings
- * from the names array, and the values will be the field values associated
- * with those keys in the object. If a key is not found or not visible,
- * then it will not be copied into the new JSONObject.
- *
- * @param object An object that has fields that should be used to make a
- * JSONObject.
- * @param names An array of strings, the names of the fields to be obtained
- * from the object.
- */
- public LOGJSONObject(Object object, String names[]) {
- this();
- Class<? extends Object> c = object.getClass();
- for (int i = 0; i < names.length; i += 1) {
- String name = names[i];
- try {
- this.putOpt(name, c.getField(name).get(object));
- } catch (Exception ignore) {
- }
- }
- }
-
- /**
- * Construct a JSONObject from a source JSON text string.
- * This is the most commonly used JSONObject constructor.
- *
- * @param source A string beginning
- * with <code>{</code> <small>(left brace)</small> and ending
- * with <code>}</code> <small>(right brace)</small>.
- * @throws JSONException If there is a syntax error in the source
- * string or a duplicated key.
- */
- public LOGJSONObject(String source) throws JSONException {
- this(new JSONTokener(source));
- }
-
- /**
- * Construct a JSONObject from a ResourceBundle.
- *
- * @param baseName The ResourceBundle base name.
- * @param locale The Locale to load the ResourceBundle for.
- * @throws JSONException If any JSONExceptions are detected.
- */
- public LOGJSONObject(String baseName, Locale locale) throws JSONException {
- this();
- ResourceBundle bundle = ResourceBundle.getBundle(baseName, locale,
- Thread.currentThread().getContextClassLoader());
-
-// Iterate through the keys in the bundle.
-
- Enumeration<?> keys = bundle.getKeys();
- while (keys.hasMoreElements()) {
- Object key = keys.nextElement();
- if (key instanceof String) {
-
-// Go through the path, ensuring that there is a nested JSONObject for each
-// segment except the last. Add the value using the last segment's name into
-// the deepest nested JSONObject.
-
- String[] path = ((String) key).split("\\.");
- int last = path.length - 1;
- LOGJSONObject target = this;
- for (int i = 0; i < last; i += 1) {
- String segment = path[i];
- LOGJSONObject nextTarget = target.optJSONObject(segment);
- if (nextTarget == null) {
- nextTarget = new LOGJSONObject();
- target.put(segment, nextTarget);
- }
- target = nextTarget;
- }
- target.put(path[last], bundle.getString((String) key));
- }
- }
- }
-
/**
* Accumulate values under a key. It is similar to the put method except
* that if there is already an object stored under the key then a
* or if the key is null.
*/
public LOGJSONObject accumulate(
- String key,
- Object value
- ) throws JSONException {
+ String key,
+ Object value
+ ) {
testValidity(value);
Object object = this.opt(key);
if (object == null) {
this.put(key, value instanceof JSONArray
- ? new JSONArray().put(value)
- : value);
+ ? new JSONArray().put(value)
+ : value);
} else if (object instanceof JSONArray) {
((JSONArray) object).put(value);
} else {
* @throws JSONException If the key is null or if the current value
* associated with the key is not a JSONArray.
*/
- public LOGJSONObject append(String key, Object value) throws JSONException {
+ public LOGJSONObject append(String key, Object value) {
testValidity(value);
Object object = this.opt(key);
if (object == null) {
} else if (object instanceof JSONArray) {
this.put(key, ((JSONArray) object).put(value));
} else {
- throw new JSONException("JSONObject[" + key +
- "] is not a JSONArray.");
+ throw new JSONException(JSON_OBJECT_CONST + key +
+ "] is not a JSONArray.");
}
return this;
}
// Shave off trailing zeros and decimal point, if possible.
String string = Double.toString(d);
- if (string.indexOf('.') > 0 && string.indexOf('e') < 0 &&
- string.indexOf('E') < 0) {
+ if (string.indexOf('.') > 0 && string.indexOf('e') < 0
+ && string.indexOf('E') < 0) {
while (string.endsWith("0")) {
string = string.substring(0, string.length() - 1);
}
* @return The object associated with the key.
* @throws JSONException if the key is not found.
*/
- public Object get(String key) throws JSONException {
+ public Object get(String key) {
if (key == null) {
throw new JSONException("Null key.");
}
Object object = this.opt(key);
if (object == null) {
- throw new JSONException("JSONObject[" + quote(key) +
- "] not found.");
+ throw new JSONException(JSON_OBJECT_CONST + quote(key) +
+ "] not found.");
}
return object;
}
* @return The truth.
* @throws JSONException if the value is not a Boolean or the String "true" or "false".
*/
- public boolean getBoolean(String key) throws JSONException {
+ public boolean getBoolean(String key) {
Object object = this.get(key);
if (object.equals(Boolean.FALSE) ||
- (object instanceof String &&
- ((String) object).equalsIgnoreCase("false"))) {
+ (object instanceof String &&
+ "false".equalsIgnoreCase((String) object))) {
return false;
} else if (object.equals(Boolean.TRUE) ||
- (object instanceof String &&
- ((String) object).equalsIgnoreCase("true"))) {
+ (object instanceof String &&
+ "true".equalsIgnoreCase((String) object))) {
return true;
}
- throw new JSONException("JSONObject[" + quote(key) +
- "] is not a Boolean.");
+ throw new JSONException(JSON_OBJECT_CONST + quote(key) +
+ "] is not a Boolean.");
}
/**
Object object = this.get(key);
try {
return object instanceof Number
- ? ((Number) object).doubleValue()
- : Double.parseDouble((String) object);
+ ? ((Number) object).doubleValue()
+ : Double.parseDouble((String) object);
} catch (Exception e) {
- intlogger.error("JSONObject[" + quote(key) + "] is not a number.", e);
- throw new JSONException("JSONObject[" + quote(key) + "] is not a number.");
+ intlogger.error(JSON_OBJECT_CONST + quote(key) + "] is not a number.", e);
+ throw new JSONException(JSON_OBJECT_CONST + quote(key) + "] is not a number.");
}
}
Object object = this.get(key);
try {
return object instanceof Number
- ? ((Number) object).intValue()
- : Integer.parseInt((String) object);
+ ? ((Number) object).intValue()
+ : Integer.parseInt((String) object);
} catch (Exception e) {
- intlogger.error("JSONObject[" + quote(key) + "] is not an int.", e);
- throw new JSONException("JSONObject[" + quote(key) + "] is not an int.");
+ intlogger.error(JSON_OBJECT_CONST + quote(key) + "] is not an int.", e);
+ throw new JSONException(JSON_OBJECT_CONST + quote(key) + "] is not an int.");
}
}
* @throws JSONException if the key is not found or
* if the value is not a JSONArray.
*/
- public JSONArray getJSONArray(String key) throws JSONException {
+ public JSONArray getJSONArray(String key) {
Object object = this.get(key);
if (object instanceof JSONArray) {
return (JSONArray) object;
}
- throw new JSONException("JSONObject[" + quote(key) +
- "] is not a JSONArray.");
+ throw new JSONException(JSON_OBJECT_CONST + quote(key) +
+ "] is not a JSONArray.");
}
/**
* @throws JSONException if the key is not found or
* if the value is not a JSONObject.
*/
- public LOGJSONObject getJSONObject(String key) throws JSONException {
+ public LOGJSONObject getJSONObject(String key) {
Object object = this.get(key);
if (object instanceof LOGJSONObject) {
return (LOGJSONObject) object;
}
- throw new JSONException("JSONObject[" + quote(key) +
- "] is not a JSONObject.");
+ throw new JSONException(JSON_OBJECT_CONST + quote(key) +
+ "] is not a JSONObject.");
}
/**
* @throws JSONException if the key is not found or if the value cannot
* be converted to a long.
*/
- public long getLong(String key) throws JSONException {
+ public long getLong(String key) {
Object object = this.get(key);
try {
return object instanceof Number
- ? ((Number) object).longValue()
- : Long.parseLong((String) object);
+ ? ((Number) object).longValue()
+ : Long.parseLong((String) object);
} catch (Exception e) {
- intlogger.error("JSONObject[" + quote(key) + "] is not a long.", e);
- throw new JSONException("JSONObject[" + quote(key) + "] is not a long.");
+ intlogger.error(JSON_OBJECT_CONST + quote(key) + "] is not a long.", e);
+ throw new JSONException(JSON_OBJECT_CONST + quote(key) + "] is not a long.");
}
}
public static String[] getNames(LOGJSONObject jo) {
int length = jo.length();
if (length == 0) {
- return null;
+ return new String[]{};
}
Iterator<String> iterator = jo.keys();
String[] names = new String[length];
if (object instanceof String) {
return (String) object;
}
- throw new JSONException("JSONObject[" + quote(key) +
- "] not a string.");
+ throw new JSONException(JSON_OBJECT_CONST + quote(key) +
+ "] not a string.");
}
/**
* @throws JSONException If n is a non-finite number.
*/
public static String numberToString(Number number)
- throws JSONException {
+ {
if (number == null) {
throw new JSONException("Null pointer");
}
String string = number.toString();
if (string.indexOf('.') > 0 && string.indexOf('e') < 0 &&
- string.indexOf('E') < 0) {
+ string.indexOf('E') < 0) {
while (string.endsWith("0")) {
string = string.substring(0, string.length() - 1);
}
try {
return this.getBoolean(key);
} catch (Exception e) {
- intlogger.trace("Using defaultValue: " + defaultValue, e);
+ intlogger.trace(USING_DEFAULT_VALUE + defaultValue, e);
return defaultValue;
}
}
try {
return this.getDouble(key);
} catch (Exception e) {
- intlogger.trace("Using defaultValue: " + defaultValue, e);
+ intlogger.trace(USING_DEFAULT_VALUE + defaultValue, e);
return defaultValue;
}
}
try {
return this.getInt(key);
} catch (Exception e) {
- intlogger.trace("Using defaultValue: " + defaultValue, e);
+ intlogger.trace(USING_DEFAULT_VALUE + defaultValue, e);
return defaultValue;
}
}
- /**
- * Get an optional JSONObject associated with a key.
- * It returns null if there is no such key, or if its value is not a
- * JSONObject.
- *
- * @param key A key string.
- * @return A JSONObject which is the value.
- */
- public LOGJSONObject optJSONObject(String key) {
- Object object = this.opt(key);
- return object instanceof LOGJSONObject ? (LOGJSONObject) object : null;
- }
/**
* Get an optional long value associated with a key,
}
private void populateMap(Object bean) {
- Class<? extends Object> klass = bean.getClass();
+ Class<?> klass = bean.getClass();
// If klass is a System class then set includeSuperClass to false.
boolean includeSuperClass = klass.getClassLoader() != null;
Method[] methods = includeSuperClass
- ? klass.getMethods()
- : klass.getDeclaredMethods();
+ ? klass.getMethods()
+ : klass.getDeclaredMethods();
for (int i = 0; i < methods.length; i += 1) {
try {
Method method = methods[i];
String key = "";
if (name.startsWith("get")) {
if ("getClass".equals(name) ||
- "getDeclaringClass".equals(name)) {
+ "getDeclaringClass".equals(name)) {
key = "";
} else {
key = name.substring(3);
key = name.substring(2);
}
if (key.length() > 0 &&
- Character.isUpperCase(key.charAt(0)) &&
- method.getParameterTypes().length == 0) {
+ Character.isUpperCase(key.charAt(0)) &&
+ method.getParameterTypes().length == 0) {
if (key.length() == 1) {
key = key.toLowerCase();
} else if (!Character.isUpperCase(key.charAt(1))) {
key = key.substring(0, 1).toLowerCase() +
- key.substring(1);
+ key.substring(1);
}
Object result = method.invoke(bean, (Object[]) null);
}
}
- /**
- * Put a key/boolean pair in the JSONObject.
- *
- * @param key A key string.
- * @param value A boolean which is the value.
- * @return this.
- * @throws JSONException If the key is null.
- */
- public LOGJSONObject put(String key, boolean value) throws JSONException {
- this.put(key, value ? Boolean.TRUE : Boolean.FALSE);
- return this;
- }
-
- /**
- * Put a key/value pair in the JSONObject, where the value will be a
- * JSONArray which is produced from a Collection.
- *
- * @param key A key string.
- * @param value A Collection value.
- * @return this.
- * @throws JSONException
- */
- public LOGJSONObject put(String key, Collection<Object> value) throws JSONException {
- this.put(key, new JSONArray(value));
- return this;
- }
-
/**
* Put a key/double pair in the JSONObject.
*
* @return this.
* @throws JSONException If the key is null or if the number is invalid.
*/
- public LOGJSONObject put(String key, double value) throws JSONException {
+ public LOGJSONObject put(String key, double value) {
this.put(key, new Double(value));
return this;
}
* @return this.
* @throws JSONException If the key is null.
*/
- public LOGJSONObject put(String key, int value) throws JSONException {
+ public LOGJSONObject put(String key, int value) {
this.put(key, new Integer(value));
return this;
}
* @return this.
* @throws JSONException If the key is null.
*/
- public LOGJSONObject put(String key, long value) throws JSONException {
+ public LOGJSONObject put(String key, long value) {
this.put(key, new Long(value));
return this;
}
- /**
- * Put a key/value pair in the JSONObject, where the value will be a
- * JSONObject which is produced from a Map.
- *
- * @param key A key string.
- * @param value A Map value.
- * @return this.
- * @throws JSONException
- */
- public LOGJSONObject put(String key, Map<String, Object> value) throws JSONException {
- this.put(key, new LOGJSONObject(value));
- return this;
- }
-
/**
* Put a key/value pair in the JSONObject. If the value is null,
* then the key will be removed from the JSONObject if it is present.
* @throws JSONException If the value is non-finite number
* or if the key is null.
*/
- public LOGJSONObject put(String key, Object value) throws JSONException {
+ public LOGJSONObject put(String key, Object value) {
String pooled;
if (key == null) {
throw new JSONException("Null key.");
testValidity(value);
pooled = (String) keyPool.get(key);
if (pooled == null) {
- if (keyPool.size() >= keyPoolSize) {
- keyPool = new LinkedHashMap<String, Object>(keyPoolSize);
+ if (keyPool.size() >= KEY_POOL_SIZE) {
+ keyPool = new LinkedHashMap<>(KEY_POOL_SIZE);
}
keyPool.put(key, key);
} else {
* @return his.
* @throws JSONException if the key is a duplicate
*/
- public LOGJSONObject putOnce(String key, Object value) throws JSONException {
+ public LOGJSONObject putOnce(String key, Object value) {
if (key != null && value != null) {
if (this.opt(key) != null) {
throw new JSONException("Duplicate key \"" + key + "\"");
return this;
}
- /**
- * Put a key/value pair in the JSONObject, but only if the
- * key and the value are both non-null.
- *
- * @param key A key string.
- * @param value An object which is the value. It should be of one of these
- * types: Boolean, Double, Integer, JSONArray, JSONObject, Long, String,
- * or the JSONObject.NULL object.
- * @return this.
- * @throws JSONException If the value is a non-finite number.
- */
- public LOGJSONObject putOpt(String key, Object value) throws JSONException {
- if (key != null && value != null) {
- this.put(key, value);
- }
- return this;
- }
-
/**
* Produce a string in double quotes with backslash sequences in all the
* right places. A backslash will be inserted within </, producing <\/,
break;
default:
if (c < ' ' || (c >= '\u0080' && c < '\u00a0')
- || (c >= '\u2000' && c < '\u2100')) {
+ || (c >= '\u2000' && c < '\u2100')) {
w.write("\\u");
hhhh = Integer.toHexString(c);
w.write("0000", 0, 4 - hhhh.length());
*/
public static Object stringToValue(String string) {
Double d;
- if (string.equals("")) {
+ if ("".equals(string)) {
return string;
}
- if (string.equalsIgnoreCase("true")) {
+ if ("true".equalsIgnoreCase(string)) {
return Boolean.TRUE;
}
- if (string.equalsIgnoreCase("false")) {
+ if ("false".equalsIgnoreCase(string)) {
return Boolean.FALSE;
}
- if (string.equalsIgnoreCase("null")) {
+ if ("null".equalsIgnoreCase(string)) {
return LOGJSONObject.NULL;
}
char b = string.charAt(0);
if ((b >= '0' && b <= '9') || b == '.' || b == '-' || b == '+') {
try {
- if (string.indexOf('.') > -1 ||
- string.indexOf('e') > -1 || string.indexOf('E') > -1) {
+ if (string.indexOf('.') > -1 || string.indexOf('e') > -1
+ || string.indexOf('E') > -1) {
d = Double.valueOf(string);
if (!d.isInfinite() && !d.isNaN()) {
return d;
}
} else {
Long myLong = new Long(string);
- if (myLong.longValue() == myLong.intValue()) {
- return new Integer(myLong.intValue());
+ if (myLong == myLong.intValue()) {
+ return myLong.intValue();
} else {
return myLong;
}
if (o instanceof Double) {
if (((Double) o).isInfinite() || ((Double) o).isNaN()) {
throw new JSONException(
- "JSON does not allow non-finite numbers.");
- }
- } else if (o instanceof Float) {
- if (((Float) o).isInfinite() || ((Float) o).isNaN()) {
- throw new JSONException(
- "JSON does not allow non-finite numbers.");
+ "JSON does not allow non-finite numbers.");
}
+ } else if (o instanceof Float && (((Float) o).isInfinite() || ((Float) o).isNaN())) {
+ throw new JSONException(
+ "JSON does not allow non-finite numbers.");
}
}
}
* @return A JSONArray of values.
* @throws JSONException If any of the values are non-finite numbers.
*/
- public JSONArray toJSONArray(JSONArray names) throws JSONException {
+ public JSONArray toJSONArray(JSONArray names) {
if (names == null || names.length() == 0) {
return null;
}
* with <code>}</code> <small>(right brace)</small>.
* @throws JSONException If the object contains an invalid number.
*/
- public String toString(int indentFactor) throws JSONException {
+ public String toString(int indentFactor) {
StringWriter w = new StringWriter();
synchronized (w.getBuffer()) {
return this.write(w, indentFactor, 0).toString();
* @throws JSONException If the value is or contains an invalid number.
*/
@SuppressWarnings("unchecked")
- public static String valueToString(Object value) throws JSONException {
+ public static String valueToString(Object value) {
if (value == null) {
return "null";
}
if (value instanceof JSONString) {
- Object object;
+ String object;
try {
object = ((JSONString) value).toJSONString();
} catch (Exception e) {
throw new JSONException(e);
}
- if (object instanceof String) {
- return (String) object;
+ if (object != null) {
+ return object;
}
throw new JSONException("Bad value from toJSONString: " + object);
}
if (value instanceof Number) {
return numberToString((Number) value);
}
- if (value instanceof Boolean || value instanceof LOGJSONObject ||
- value instanceof JSONArray) {
+ if (value instanceof Boolean || value instanceof LOGJSONObject
+ || value instanceof JSONArray) {
return value.toString();
}
if (value instanceof Map) {
return NULL;
}
if (object instanceof LOGJSONObject || object instanceof JSONArray ||
- NULL.equals(object) || object instanceof JSONString ||
- object instanceof Byte || object instanceof Character ||
- object instanceof Short || object instanceof Integer ||
- object instanceof Long || object instanceof Boolean ||
- object instanceof Float || object instanceof Double ||
- object instanceof String) {
+ NULL.equals(object) || object instanceof JSONString ||
+ object instanceof Byte || object instanceof Character ||
+ object instanceof Short || object instanceof Integer ||
+ object instanceof Long || object instanceof Boolean ||
+ object instanceof Float || object instanceof Double ||
+ object instanceof String) {
return object;
}
}
Package objectPackage = object.getClass().getPackage();
String objectPackageName = objectPackage != null
- ? objectPackage.getName()
- : "";
+ ? objectPackage.getName()
+ : "";
if (
- objectPackageName.startsWith("java.") ||
- objectPackageName.startsWith("javax.") ||
- object.getClass().getClassLoader() == null
- ) {
+ objectPackageName.startsWith("java.") ||
+ objectPackageName.startsWith("javax.") ||
+ object.getClass().getClassLoader() == null
+ ) {
return object.toString();
}
return new LOGJSONObject(object);
}
@SuppressWarnings("unchecked")
- static final Writer writeValue(Writer writer, Object value,
- int indentFactor, int indent) throws JSONException, IOException {
+ static Writer writeValue(Writer writer, Object value, int indentFactor, int indent) throws IOException {
if (value == null) {
writer.write("null");
} else if (value instanceof LOGJSONObject) {
} else if (value instanceof Map) {
new LOGJSONObject((Map<String, Object>) value).write(writer, indentFactor, indent);
} else if (value instanceof Collection) {
- new JSONArray((Collection<Object>) value).write(writer, indentFactor,
- indent);
+ new JSONArray((Collection<Object>) value).write(writer, indentFactor, indent);
} else if (value.getClass().isArray()) {
new JSONArray(value).write(writer, indentFactor, indent);
} else if (value instanceof Number) {
return writer;
}
- static final void indent(Writer writer, int indent) throws IOException {
+ private static void indent(Writer writer, int indent) throws IOException {
for (int i = 0; i < indent; i += 1) {
writer.write(' ');
}
* @throws JSONException
*/
Writer write(Writer writer, int indentFactor, int indent)
- throws JSONException {
+ {
try {
boolean commanate = false;
final int length = this.length();
writer.write(' ');
}
writeValue(writer, this.map.get(key), indentFactor,
- newindent);
+ newindent);
commanate = true;
}
if (indentFactor > 0) {
Code Review / dmaap / datarouter.git / blobdiff