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org.hl7.fhir.utilities.json.model.JsonObject Maven / Gradle / Ivy
package org.hl7.fhir.utilities.json.model;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.Instant;
import java.time.OffsetDateTime;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.hl7.fhir.utilities.Utilities;
import org.hl7.fhir.utilities.json.JsonException;
public class JsonObject extends JsonElement {
private List properties = new ArrayList<>();
private Map propMap = new HashMap<>();
private boolean extraComma; // json5 support
public JsonElementType type() {
return JsonElementType.OBJECT;
}
public JsonObject add(String name, JsonElement value) throws JsonException {
check(name != null, "Json Property Name is null");
check(value != null, "Json Property Value is null");
if (get(name) != null) {
check(false, "Name '"+name+"' already exists (value = "+get(name).toString()+")");
}
JsonProperty p = new JsonProperty(name, value);
properties.add(p);
propMap.put(name, p);
return this;
}
public JsonObject addIfNotNull(String name, JsonElement value) throws JsonException {
if (value != null) {
check(name != null, "Name is null");
if (get(name) != null) {
check(false, "Name '"+name+"' already exists (value = "+get(name).toString()+")");
}
JsonProperty p = new JsonProperty(name, value);
properties.add(p);
propMap.put(name, p);
}
return this;
}
// this is used by the parser which can allow duplicates = true (for the validator). You should not otherwise use it
public JsonObject addForParser(String name, JsonElement value, boolean noComma, boolean nameUnquoted, boolean valueUnquoted) throws JsonException {
check(name != null, "Name is null");
check(value != null, "Value is null");
JsonProperty p = new JsonProperty(name, value);
p.setNoComma(noComma);
p.setUnquotedName(nameUnquoted);
p.setUnquotedValue(valueUnquoted);
properties.add(p);
propMap.put(name, p); // last duplicate wins
return this;
}
public JsonObject add(String name, String value) throws JsonException {
check(name != null, "Name is null");
return add(name, value == null ? new JsonNull() : new JsonString(value));
}
public JsonObject add(String name, List values) throws JsonException {
check(name != null, "Name is null");
JsonArray arr = new JsonArray();
add(name, arr);
for (String v : values) {
arr.add(v);
}
return this;
}
public JsonObject addIfNotNull(String name, String value) throws JsonException {
check(name != null, "Name is null");
if (value == null) {
return this;
} else {
return add(name, value == null ? new JsonNull() : new JsonString(value));
}
}
public JsonObject add(String name, boolean value) throws JsonException {
check(name != null, "Name is null");
return add(name, new JsonBoolean(value));
}
public JsonObject add(String name, int value) throws JsonException {
check(name != null, "Name is null");
return add(name, new JsonNumber(value));
}
public JsonObject add(String name, long value) throws JsonException {
check(name != null, "Name is null");
return add(name, new JsonNumber(value));
}
public JsonObject set(String name, JsonElement value) throws JsonException {
check(name != null, "Name is null");
check(value != null, "Value is null");
JsonProperty p = propMap.get(name);
if (p != null) {
p.setValue(value);
return this;
} else {
return add(name, value);
}
}
public JsonObject set(String name, Instant value) throws JsonException {
String v = value == null ? null : value.toString();
return set(name, v);
}
public JsonObject set(String name, String value) throws JsonException {
check(name != null, "Name is null");
JsonProperty p = propMap.get(name);
if (p != null) {
p.setValue(value == null ? new JsonNull() : new JsonString(value));
return this;
} else {
return add(name, value == null ? new JsonNull() : new JsonString(value));
}
}
public JsonObject set(String name, boolean value) throws JsonException {
check(name != null, "Name is null");
JsonProperty p = propMap.get(name);
if (p != null) {
p.setValue(new JsonBoolean(value));
return this;
} else {
return add(name, new JsonBoolean(value));
}
}
public JsonObject set(String name, int value) throws JsonException {
check(name != null, "Name is null");
JsonProperty p = propMap.get(name);
if (p != null) {
p.setValue(new JsonNumber(value));
return this;
} else {
return add(name, new JsonNumber(value));
}
}
public JsonObject set(String name, long value) throws JsonException {
check(name != null, "Name is null");
JsonProperty p = propMap.get(name);
if (p != null) {
p.setValue(new JsonNumber(value));
return this;
} else {
return add(name, new JsonNumber(value));
}
}
public JsonElement get(String name) {
if (propMap.containsKey(name)) {
return propMap.get(name).getValue();
} else {
return null;
}
}
public boolean has(String name) {
return propMap.containsKey(name);
}
public boolean has(String... names) {
for (String n : names) {
if (propMap.containsKey(n)) {
return true;
}
}
return false;
}
public void remove(String name) {
if (propMap.containsKey(name)) {
propMap.remove(name);
properties.removeIf((JsonProperty item) -> name.equals(item.getName()));
}
}
public List getProperties() {
return properties;
}
public List getNames() {
return Utilities.sorted(propMap.keySet());
}
public String str(String name) {
if (hasPrimitive(name)) {
return get(name).asJsonPrimitive().getValue();
} else {
return null;
}
}
public boolean hasObject(String name) {
return propMap.containsKey(name) && propMap.get(name).getValue().type() == JsonElementType.OBJECT;
}
public boolean hasArray(String name) {
return propMap.containsKey(name) && propMap.get(name).getValue().type() == JsonElementType.ARRAY;
}
public boolean hasPrimitive(String name) {
return propMap.containsKey(name) && propMap.get(name).getValue() instanceof JsonPrimitive;
}
public boolean hasString(String name) {
return propMap.containsKey(name) && propMap.get(name).getValue().type() == JsonElementType.STRING;
}
public boolean hasNumber(String name) {
return propMap.containsKey(name) && propMap.get(name).getValue().type() == JsonElementType.NUMBER;
}
public boolean hasBoolean(String name) {
return propMap.containsKey(name) && propMap.get(name).getValue().type() == JsonElementType.BOOLEAN;
}
public boolean hasNull(String name) {
return propMap.containsKey(name) && propMap.get(name).getValue().type() == JsonElementType.NULL;
}
public JsonObject getJsonObject(String name) {
return hasObject(name) ? (JsonObject) get(name) : null;
}
public JsonString getJsonString(String name) {
return hasString(name) ? (JsonString) get(name) : null;
}
public JsonBoolean getJsonBoolean(String name) {
return hasBoolean(name) ? (JsonBoolean) get(name) : null;
}
public JsonNumber getJsonNumber(String name) {
return hasNumber(name) ? (JsonNumber) get(name) : null;
}
public JsonNull getJsonNull(String name) {
return hasNull(name) ?(JsonNull) get(name) : null;
}
public JsonArray getJsonArray(String name) {
return hasArray(name) ? (JsonArray) get(name) : null;
}
public Integer asInteger(String name) {
if (hasNumber(name)) {
return ((JsonNumber) get(name)).getInteger();
}
if (hasPrimitive(name)) {
String s = asString(name);
if (Utilities.isInteger(s)) {
return Integer.parseInt(s);
}
}
return null;
}
public String asString(String name) {
return hasPrimitive(name) ? ((JsonPrimitive) get(name)).getValue() : null;
}
public String asString(String... names) {
for (String n : names) {
if (hasPrimitive(n)) {
return asString(n);
}
}
return null;
}
public boolean asBoolean(String name) {
if (hasBoolean(name)) {
return ((JsonBoolean) get(name)).isValue();
}
if (hasPrimitive(name)) {
String s = asString(name);
if ("true".equals(s)) {
return true;
}
if ("false".equals(s)) {
return false;
}
}
return false;
}
public Instant asDate(String name) {
String source = asString(name);
if (Utilities.noString(source)) {
return null;
} else {
OffsetDateTime odt = OffsetDateTime.parse(source);
return odt.toInstant();
}
}
public Instant asInstant(String name) throws ParseException {
String source = asString(name);
if (Utilities.noString(source) || "null".equals(source)) {
return null;
} else if (source.length() <= 10) {
Date d = new SimpleDateFormat("yyyy-mm-dd").parse(source);
return d.toInstant();
} else {
OffsetDateTime odt = OffsetDateTime.parse(source);
return odt.toInstant();
}
}
public JsonObject forceObject(String name) throws JsonException {
if (has(name) && !hasObject(name)) {
remove(name);
}
if (!has(name)) {
add(name, new JsonObject());
}
return getJsonObject(name);
}
public JsonArray forceArray(String name) throws JsonException {
if (has(name) && !hasArray(name)) {
remove(name);
}
if (!has(name)) {
add(name, new JsonArray());
}
return getJsonArray(name);
}
public List getJsonObjects(String name) {
List res = new ArrayList<>();
if (hasArray(name)) {
res.addAll(getJsonArray(name).asJsonObjects());
} else if (hasObject(name)) {
res.add(getJsonObject(name));
}
return res;
}
public List getStrings(String name) {
List res = new ArrayList<>();
if (hasArray(name)) {
res.addAll(getJsonArray(name).asStrings());
} else if (hasPrimitive(name)) {
res.add(asString(name));
}
return res;
}
public JsonObject deepCopy() {
return (JsonObject) make().copy(this);
}
@Override
protected JsonElement copy(JsonElement other) {
JsonObject o = (JsonObject) other;
for (JsonProperty p : o.getProperties()) {
add(p.getName(), p.getValue().deepCopy());
}
return this;
}
@Override
protected JsonElement make() {
return new JsonObject();
}
public JsonObject findByStringProp(String arrName, String prop, String value) {
for (JsonObject obj : getJsonObjects(arrName)) {
if (obj.has(prop) && value.equals(obj.asString(prop)))
return obj;
}
return null;
}
public void merge(JsonObject source) {
for (JsonProperty pp : source.getProperties()) {
if (has(pp.getName())) {
JsonElement te = get(pp.getName());
if (te.isJsonObject() && pp.getValue().isJsonObject()) {
((JsonObject) te).merge((JsonObject) pp.getValue());
} else {
set(pp.getName(), pp.getValue());
}
} else {
add(pp.getName(), pp.getValue());
}
}
}
@Override
public String toString() {
StringBuilder b = new StringBuilder();
b.append("{ ");
boolean first = true;
for (JsonProperty p : properties) {
if (first) first = false; else b.append(", ");
b.append(p.toString());
}
b.append(" }");
return b.toString();
}
public boolean isExtraComma() {
return extraComma;
}
public void setExtraComma(boolean extraComma) {
this.extraComma = extraComma;
}
public void clear() {
properties.clear();
propMap.clear();
}
}
