mirror of
https://github.com/processing/processing4.git
synced 2026-02-12 10:00:42 +01:00
working on JSON API
This commit is contained in:
benfry
@@ -33,7 +33,6 @@ import java.io.Reader;
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import java.io.StringReader;
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import java.io.StringWriter;
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import java.io.Writer;
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import java.lang.reflect.Field;
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import java.lang.reflect.Method;
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import java.lang.reflect.Modifier;
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import java.util.Collection;
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@@ -212,7 +211,7 @@ public class JSONObject {
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* @throws JSONException If there is a syntax error in the source string
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* or a duplicated key.
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*/
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public JSONObject(JSONTokener x) {
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protected JSONObject(JSONTokener x) {
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this();
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char c;
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String key;
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@@ -270,7 +269,7 @@ public class JSONObject {
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* the JSONObject.
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* @throws JSONException
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*/
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public JSONObject(Map<String, Object> map) {
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protected JSONObject(HashMap<String, Object> map) {
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this.map = new HashMap<String, Object>();
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if (map != null) {
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Iterator i = map.entrySet().iterator();
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@@ -304,34 +303,35 @@ public class JSONObject {
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* @param bean An object that has getter methods that should be used
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* to make a JSONObject.
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*/
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public JSONObject(Object bean) {
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protected JSONObject(Object bean) {
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this();
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this.populateMap(bean);
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}
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/**
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* Construct a JSONObject from an Object, using reflection to find the
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* public members. The resulting JSONObject's keys will be the strings
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* from the names array, and the values will be the field values associated
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* with those keys in the object. If a key is not found or not visible,
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* then it will not be copied into the new JSONObject.
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* @param object An object that has fields that should be used to make a
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* JSONObject.
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* @param names An array of strings, the names of the fields to be obtained
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* from the object.
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*/
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public JSONObject(Object object, String names[]) {
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this();
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Class c = object.getClass();
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for (int i = 0; i < names.length; i += 1) {
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String name = names[i];
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try {
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this.putOpt(name, c.getField(name).get(object));
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} catch (Exception ignore) {
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}
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}
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}
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// holding off on this method until we decide on how to handle reflection
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// /**
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// * Construct a JSONObject from an Object, using reflection to find the
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// * public members. The resulting JSONObject's keys will be the strings
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// * from the names array, and the values will be the field values associated
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// * with those keys in the object. If a key is not found or not visible,
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// * then it will not be copied into the new JSONObject.
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// * @param object An object that has fields that should be used to make a
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// * JSONObject.
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// * @param names An array of strings, the names of the fields to be obtained
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// * from the object.
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// */
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// public JSONObject(Object object, String names[]) {
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// this();
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// Class c = object.getClass();
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// for (int i = 0; i < names.length; i += 1) {
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// String name = names[i];
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// try {
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// this.putOpt(name, c.getField(name).get(object));
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// } catch (Exception ignore) {
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// }
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// }
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// }
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/**
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@@ -343,8 +343,8 @@ public class JSONObject {
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* @exception JSONException If there is a syntax error in the source
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* string or a duplicated key.
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*/
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public JSONObject(String source) {
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this(new JSONTokener(source));
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static public JSONObject parse(String source) {
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return new JSONObject(new JSONTokener(source));
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}
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@@ -455,7 +455,7 @@ public class JSONObject {
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* @param d A double.
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* @return A String.
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*/
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public static String doubleToString(double d) {
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static protected String doubleToString(double d) {
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if (Double.isInfinite(d) || Double.isNaN(d)) {
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return "null";
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}
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@@ -483,7 +483,7 @@ public class JSONObject {
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* @return The object associated with the key.
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* @throws JSONException if the key is not found.
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*/
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public Object get(String key) {
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private Object get(String key) {
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if (key == null) {
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throw new RuntimeException("Null key.");
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}
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@@ -496,25 +496,63 @@ public class JSONObject {
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/**
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* Get the boolean value associated with a key.
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* Get the string associated with a key.
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*
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* @param key A key string.
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* @return The truth.
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* @throws JSONException
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* if the value is not a Boolean or the String "true" or "false".
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* @return A string which is the value.
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* @throws JSONException if there is no string value for the key.
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*/
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public boolean getBoolean(String key) {
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public String getString(String key) {
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Object object = this.get(key);
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if (object.equals(Boolean.FALSE) ||
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(object instanceof String &&
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((String)object).equalsIgnoreCase("false"))) {
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return false;
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} else if (object.equals(Boolean.TRUE) ||
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(object instanceof String &&
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((String)object).equalsIgnoreCase("true"))) {
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return true;
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if (object instanceof String) {
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return (String)object;
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}
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throw new RuntimeException("JSONObject[" + quote(key) + "] is not a Boolean.");
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throw new RuntimeException("JSONObject[" + quote(key) + "] not a string.");
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}
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/**
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* Get the int value associated with a key.
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*
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* @param key A key string.
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* @return The integer value.
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* @throws JSONException if the key is not found or if the value cannot
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* be converted to an integer.
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*/
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public int getInt(String key) {
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Object object = this.get(key);
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try {
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return object instanceof Number
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? ((Number)object).intValue()
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: Integer.parseInt((String)object);
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} catch (Exception e) {
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throw new RuntimeException("JSONObject[" + quote(key) + "] is not an int.");
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}
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}
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/**
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* Get the long value associated with a key.
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*
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* @param key A key string.
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* @return The long value.
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* @throws JSONException if the key is not found or if the value cannot
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* be converted to a long.
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*/
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public long getLong(String key) {
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Object object = this.get(key);
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try {
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return object instanceof Number
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? ((Number)object).longValue()
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: Long.parseLong((String)object);
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} catch (Exception e) {
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throw new RuntimeException("JSONObject[" + quote(key) + "] is not a long.", e);
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}
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}
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public float getFloat(String key) {
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return (float) getDouble(key);
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}
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@@ -538,22 +576,25 @@ public class JSONObject {
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/**
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* Get the int value associated with a key.
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* Get the boolean value associated with a key.
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*
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* @param key A key string.
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* @return The integer value.
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* @throws JSONException if the key is not found or if the value cannot
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* be converted to an integer.
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* @return The truth.
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* @throws JSONException
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* if the value is not a Boolean or the String "true" or "false".
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*/
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public int getInt(String key) {
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public boolean getBoolean(String key) {
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Object object = this.get(key);
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try {
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return object instanceof Number
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? ((Number)object).intValue()
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: Integer.parseInt((String)object);
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} catch (Exception e) {
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throw new RuntimeException("JSONObject[" + quote(key) + "] is not an int.");
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if (object.equals(Boolean.FALSE) ||
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(object instanceof String &&
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((String)object).equalsIgnoreCase("false"))) {
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return false;
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} else if (object.equals(Boolean.TRUE) ||
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(object instanceof String &&
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((String)object).equalsIgnoreCase("true"))) {
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return true;
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}
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throw new RuntimeException("JSONObject[" + quote(key) + "] is not a Boolean.");
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}
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@@ -591,84 +632,48 @@ public class JSONObject {
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}
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/**
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* Get the long value associated with a key.
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*
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* @param key A key string.
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* @return The long value.
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* @throws JSONException if the key is not found or if the value cannot
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* be converted to a long.
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*/
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public long getLong(String key) {
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Object object = this.get(key);
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try {
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return object instanceof Number
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? ((Number)object).longValue()
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: Long.parseLong((String)object);
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} catch (Exception e) {
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throw new RuntimeException("JSONObject[" + quote(key) + "] is not a long.", e);
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}
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}
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/**
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* Get an array of field names from a JSONObject.
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*
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* @return An array of field names, or null if there are no names.
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*/
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public static String[] getNames(JSONObject jo) {
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int length = jo.length();
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if (length == 0) {
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return null;
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}
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Iterator iterator = jo.keys();
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String[] names = new String[length];
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int i = 0;
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while (iterator.hasNext()) {
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names[i] = (String)iterator.next();
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i += 1;
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}
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return names;
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}
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/**
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* Get an array of field names from an Object.
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*
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* @return An array of field names, or null if there are no names.
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*/
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public static String[] getNames(Object object) {
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if (object == null) {
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return null;
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}
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Class klass = object.getClass();
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Field[] fields = klass.getFields();
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int length = fields.length;
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if (length == 0) {
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return null;
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}
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String[] names = new String[length];
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for (int i = 0; i < length; i += 1) {
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names[i] = fields[i].getName();
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}
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return names;
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}
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/**
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* Get the string associated with a key.
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*
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* @param key A key string.
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* @return A string which is the value.
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* @throws JSONException if there is no string value for the key.
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*/
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public String getString(String key) {
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Object object = this.get(key);
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if (object instanceof String) {
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return (String)object;
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}
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throw new RuntimeException("JSONObject[" + quote(key) + "] not a string.");
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}
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// /**
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// * Get an array of field names from a JSONObject.
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// *
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// * @return An array of field names, or null if there are no names.
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// */
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// public static String[] getNames(JSONObject jo) {
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// int length = jo.length();
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// if (length == 0) {
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// return null;
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// }
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// Iterator iterator = jo.keys();
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// String[] names = new String[length];
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// int i = 0;
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// while (iterator.hasNext()) {
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// names[i] = (String)iterator.next();
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// i += 1;
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// }
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// return names;
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// }
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//
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//
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// /**
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// * Get an array of field names from an Object.
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// *
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// * @return An array of field names, or null if there are no names.
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// */
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// public static String[] getNames(Object object) {
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// if (object == null) {
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// return null;
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// }
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// Class klass = object.getClass();
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// Field[] fields = klass.getFields();
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// int length = fields.length;
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// if (length == 0) {
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// return null;
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// }
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// String[] names = new String[length];
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// for (int i = 0; i < length; i += 1) {
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// names[i] = fields[i].getName();
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// }
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// return names;
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// }
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/**
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@@ -716,7 +721,7 @@ public class JSONObject {
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* @return true if there is no value associated with the key or if
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* the value is the JSONObject.NULL object.
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*/
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public boolean isNull(String key) {
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protected boolean isNull(String key) {
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return JSONObject.NULL.equals(this.opt(key));
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}
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@@ -747,25 +752,26 @@ public class JSONObject {
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*
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* @return The number of keys in the JSONObject.
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*/
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public int length() {
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||||
public int size() {
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||||
return this.map.size();
|
||||
}
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||||
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||||
|
||||
/**
|
||||
* Produce a JSONArray containing the names of the elements of this
|
||||
* JSONObject.
|
||||
* @return A JSONArray containing the key strings, or null if the JSONObject
|
||||
* is empty.
|
||||
*/
|
||||
public JSONArray names() {
|
||||
JSONArray ja = new JSONArray();
|
||||
Iterator keys = this.keys();
|
||||
while (keys.hasNext()) {
|
||||
ja.append(keys.next());
|
||||
}
|
||||
return ja.size() == 0 ? null : ja;
|
||||
}
|
||||
// /**
|
||||
// * Produce a JSONArray containing the names of the elements of this
|
||||
// * JSONObject.
|
||||
// * @return A JSONArray containing the key strings, or null if the JSONObject
|
||||
// * is empty.
|
||||
// */
|
||||
// public JSONArray names() {
|
||||
// JSONArray ja = new JSONArray();
|
||||
// Iterator keys = this.keys();
|
||||
// while (keys.hasNext()) {
|
||||
// ja.append(keys.next());
|
||||
// }
|
||||
// return ja.size() == 0 ? null : ja;
|
||||
// }
|
||||
|
||||
|
||||
/**
|
||||
* Produce a string from a Number.
|
||||
@@ -773,7 +779,7 @@ public class JSONObject {
|
||||
* @return A String.
|
||||
* @throws JSONException If n is a non-finite number.
|
||||
*/
|
||||
public static String numberToString(Number number) {
|
||||
private static String numberToString(Number number) {
|
||||
if (number == null) {
|
||||
throw new RuntimeException("Null pointer");
|
||||
}
|
||||
@@ -800,134 +806,134 @@ public class JSONObject {
|
||||
* @param key A key string.
|
||||
* @return An object which is the value, or null if there is no value.
|
||||
*/
|
||||
public Object opt(String key) {
|
||||
private Object opt(String key) {
|
||||
return key == null ? null : this.map.get(key);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Get an optional boolean associated with a key.
|
||||
* It returns false if there is no such key, or if the value is not
|
||||
* Boolean.TRUE or the String "true".
|
||||
*
|
||||
* @param key A key string.
|
||||
* @return The truth.
|
||||
*/
|
||||
public boolean optBoolean(String key) {
|
||||
return this.optBoolean(key, false);
|
||||
}
|
||||
// /**
|
||||
// * Get an optional boolean associated with a key.
|
||||
// * It returns false if there is no such key, or if the value is not
|
||||
// * Boolean.TRUE or the String "true".
|
||||
// *
|
||||
// * @param key A key string.
|
||||
// * @return The truth.
|
||||
// */
|
||||
// private boolean optBoolean(String key) {
|
||||
// return this.optBoolean(key, false);
|
||||
// }
|
||||
|
||||
|
||||
/**
|
||||
* Get an optional boolean associated with a key.
|
||||
* It returns the defaultValue if there is no such key, or if it is not
|
||||
* a Boolean or the String "true" or "false" (case insensitive).
|
||||
*
|
||||
* @param key A key string.
|
||||
* @param defaultValue The default.
|
||||
* @return The truth.
|
||||
*/
|
||||
public boolean optBoolean(String key, boolean defaultValue) {
|
||||
try {
|
||||
return this.getBoolean(key);
|
||||
} catch (Exception e) {
|
||||
return defaultValue;
|
||||
}
|
||||
}
|
||||
// /**
|
||||
// * Get an optional boolean associated with a key.
|
||||
// * It returns the defaultValue if there is no such key, or if it is not
|
||||
// * a Boolean or the String "true" or "false" (case insensitive).
|
||||
// *
|
||||
// * @param key A key string.
|
||||
// * @param defaultValue The default.
|
||||
// * @return The truth.
|
||||
// */
|
||||
// private boolean optBoolean(String key, boolean defaultValue) {
|
||||
// try {
|
||||
// return this.getBoolean(key);
|
||||
// } catch (Exception e) {
|
||||
// return defaultValue;
|
||||
// }
|
||||
// }
|
||||
|
||||
|
||||
/**
|
||||
* Get an optional double associated with a key,
|
||||
* or NaN if there is no such key or if its value is not a number.
|
||||
* If the value is a string, an attempt will be made to evaluate it as
|
||||
* a number.
|
||||
*
|
||||
* @param key A string which is the key.
|
||||
* @return An object which is the value.
|
||||
*/
|
||||
public double optDouble(String key) {
|
||||
return this.optDouble(key, Double.NaN);
|
||||
}
|
||||
// /**
|
||||
// * Get an optional double associated with a key,
|
||||
// * or NaN if there is no such key or if its value is not a number.
|
||||
// * If the value is a string, an attempt will be made to evaluate it as
|
||||
// * a number.
|
||||
// *
|
||||
// * @param key A string which is the key.
|
||||
// * @return An object which is the value.
|
||||
// */
|
||||
// private double optDouble(String key) {
|
||||
// return this.optDouble(key, Double.NaN);
|
||||
// }
|
||||
|
||||
|
||||
/**
|
||||
* Get an optional double associated with a key, or the
|
||||
* defaultValue if there is no such key or if its value is not a number.
|
||||
* If the value is a string, an attempt will be made to evaluate it as
|
||||
* a number.
|
||||
*
|
||||
* @param key A key string.
|
||||
* @param defaultValue The default.
|
||||
* @return An object which is the value.
|
||||
*/
|
||||
public double optDouble(String key, double defaultValue) {
|
||||
try {
|
||||
return this.getDouble(key);
|
||||
} catch (Exception e) {
|
||||
return defaultValue;
|
||||
}
|
||||
}
|
||||
// /**
|
||||
// * Get an optional double associated with a key, or the
|
||||
// * defaultValue if there is no such key or if its value is not a number.
|
||||
// * If the value is a string, an attempt will be made to evaluate it as
|
||||
// * a number.
|
||||
// *
|
||||
// * @param key A key string.
|
||||
// * @param defaultValue The default.
|
||||
// * @return An object which is the value.
|
||||
// */
|
||||
// private double optDouble(String key, double defaultValue) {
|
||||
// try {
|
||||
// return this.getDouble(key);
|
||||
// } catch (Exception e) {
|
||||
// return defaultValue;
|
||||
// }
|
||||
// }
|
||||
|
||||
|
||||
/**
|
||||
* Get an optional int value associated with a key,
|
||||
* or zero 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.
|
||||
*
|
||||
* @param key A key string.
|
||||
* @return An object which is the value.
|
||||
*/
|
||||
public int optInt(String key) {
|
||||
return this.optInt(key, 0);
|
||||
}
|
||||
// /**
|
||||
// * Get an optional int value associated with a key,
|
||||
// * or zero 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.
|
||||
// *
|
||||
// * @param key A key string.
|
||||
// * @return An object which is the value.
|
||||
// */
|
||||
// private int optInt(String key) {
|
||||
// return this.optInt(key, 0);
|
||||
// }
|
||||
|
||||
|
||||
/**
|
||||
* Get an optional int 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.
|
||||
*
|
||||
* @param key A key string.
|
||||
* @param defaultValue The default.
|
||||
* @return An object which is the value.
|
||||
*/
|
||||
public int optInt(String key, int defaultValue) {
|
||||
try {
|
||||
return this.getInt(key);
|
||||
} catch (Exception e) {
|
||||
return defaultValue;
|
||||
}
|
||||
}
|
||||
// /**
|
||||
// * Get an optional int 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.
|
||||
// *
|
||||
// * @param key A key string.
|
||||
// * @param defaultValue The default.
|
||||
// * @return An object which is the value.
|
||||
// */
|
||||
// private int optInt(String key, int defaultValue) {
|
||||
// try {
|
||||
// return this.getInt(key);
|
||||
// } catch (Exception e) {
|
||||
// return defaultValue;
|
||||
// }
|
||||
// }
|
||||
|
||||
|
||||
/**
|
||||
* Get an optional JSONArray associated with a key.
|
||||
* It returns null if there is no such key, or if its value is not a
|
||||
* JSONArray.
|
||||
*
|
||||
* @param key A key string.
|
||||
* @return A JSONArray which is the value.
|
||||
*/
|
||||
public JSONArray optJSONArray(String key) {
|
||||
Object o = this.opt(key);
|
||||
return o instanceof JSONArray ? (JSONArray)o : null;
|
||||
}
|
||||
// /**
|
||||
// * Get an optional JSONArray associated with a key.
|
||||
// * It returns null if there is no such key, or if its value is not a
|
||||
// * JSONArray.
|
||||
// *
|
||||
// * @param key A key string.
|
||||
// * @return A JSONArray which is the value.
|
||||
// */
|
||||
// private JSONArray optJSONArray(String key) {
|
||||
// Object o = this.opt(key);
|
||||
// return o instanceof JSONArray ? (JSONArray)o : null;
|
||||
// }
|
||||
|
||||
|
||||
/**
|
||||
* 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 JSONObject optJSONObject(String key) {
|
||||
Object object = this.opt(key);
|
||||
return object instanceof JSONObject ? (JSONObject)object : null;
|
||||
}
|
||||
// /**
|
||||
// * 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.
|
||||
// */
|
||||
// private JSONObject optJSONObject(String key) {
|
||||
// Object object = this.opt(key);
|
||||
// return object instanceof JSONObject ? (JSONObject)object : null;
|
||||
// }
|
||||
|
||||
|
||||
/**
|
||||
@@ -1487,7 +1493,7 @@ public class JSONObject {
|
||||
* @param object The object to wrap
|
||||
* @return The wrapped value
|
||||
*/
|
||||
public static Object wrap(Object object) {
|
||||
static protected Object wrap(Object object) {
|
||||
try {
|
||||
if (object == null) {
|
||||
return NULL;
|
||||
@@ -1596,7 +1602,7 @@ public class JSONObject {
|
||||
Writer write(Writer writer, int indentFactor, int indent) {
|
||||
try {
|
||||
boolean commanate = false;
|
||||
final int length = this.length();
|
||||
final int length = this.size();
|
||||
Iterator keys = this.keys();
|
||||
writer.write('{');
|
||||
|
||||
|
||||
Reference in New Issue
Block a user