com.arm.mbed.cloud.sdk.accountmanagement.model.CustomProperties Maven / Gradle / Ivy
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package com.arm.mbed.cloud.sdk.accountmanagement.model;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import com.arm.mbed.cloud.sdk.annotations.Internal;
import com.arm.mbed.cloud.sdk.annotations.Nullable;
import com.arm.mbed.cloud.sdk.annotations.PerformsNoOperation;
import com.arm.mbed.cloud.sdk.annotations.Preamble;
import com.arm.mbed.cloud.sdk.common.JsonSerialiser;
import com.arm.mbed.cloud.sdk.common.SdkModel;
@Preamble(description = "Object representing user's custom properties")
public class CustomProperties implements SdkModel {
/**
* Serialisation Id.
*/
private static final long serialVersionUID = 1917364914377541938L;
private Map rawProperties;
private final transient JsonSerialiser jsonMarshaller;
/**
* Internal constructor.
*
* Note: use {@link #CustomProperties()} instead.
*
* @param rawProperties
* raw properties
*/
@Internal
public CustomProperties(Map rawProperties) {
this(rawProperties, null);
}
/**
* Constructor.
*/
public CustomProperties() {
this(null, null);
}
/**
* Constructor using a Json string.
*
* @param json
* Json string describing the custom properties.
*/
public CustomProperties(String json) {
this();
setFromJsonString(json);
}
/**
* Internal constructor.
*
* Note: use {@link #CustomProperties()} instead.
*
* @param rawProperties
* raw properties
* @param jsonMarshaller
* jsonMarshaller
*/
@Internal
public CustomProperties(Map rawProperties, JsonSerialiser jsonMarshaller) {
super();
this.rawProperties = rawProperties;
this.jsonMarshaller = jsonMarshaller == null ? new JsonSerialiser() : jsonMarshaller;
}
private void initialiseMap() {
if (isEmpty()) {
rawProperties = new HashMap<>();
}
}
/**
* Gets the raw properties.
*
* @return the rawProperties
*/
@Internal
public Map getRawProperties() {
return rawProperties;
}
/**
* Gets the properties in previously defined format when possible.
*
* @return the properties in former format when possible.
*/
@Deprecated
public Map> getPropertiesInFormerFormat() {
if (isEmpty()) {
return null;
}
final Map> newMap = new HashMap<>(rawProperties.size());
for (final Entry pair : rawProperties.entrySet()) {
final Map subMap = new HashMap<>();
try {
@SuppressWarnings("unchecked")
final Map parsedMap = jsonMarshaller.fromJson(pair.getValue(), Map.class);
for (final Entry subpair : parsedMap.entrySet()) {
subMap.put(subpair.getKey(), String.valueOf(subpair.getValue()));
}
} catch (@SuppressWarnings("unused") Exception exception) {
subMap.put(pair.getValue(), pair.getValue());
}
newMap.put(pair.getKey(), subMap);
}
return newMap;
}
/**
* Sets the raw properties.
*
* @param rawProperties
* the rawProperties to set
*/
@Internal
public void setRawProperties(Map rawProperties) {
this.rawProperties = rawProperties;
}
/**
* Gets the raw property.
*
* @param key
* property key
* @return corresponding value
*/
@Internal
public @Nullable String getRawProperty(String key) {
return isEmpty() ? null : rawProperties.get(key);
}
/**
* Sets a raw property.
*
* @param key
* property key
* @param value
* property value as a String (e.g. Json String)
*/
@Internal
public void setRawProperty(String key, String value) {
if (key == null || value == null) {
return;
}
initialiseMap();
rawProperties.put(key, value);
}
/**
* Gets a property value as an object.
*
* @param key
* property key
* @param valueType
* type of the value
* @param
* type of the value
* @return corresponding value
*/
@SuppressWarnings("unchecked")
@Internal
public @Nullable T getProperty(String key, Class valueType) {
final String raw = getRawProperty(key);
return raw == null ? null : valueType == String.class ? (T) raw : jsonMarshaller.fromJson(raw, valueType);
}
/**
* Sets a property.
*
* @param key
* property key.
* @param value
* property value.
*/
@Internal
public void setProperty(String key, Object value) {
if (value instanceof String) {
setRawProperty(key, (String) value);
return;
}
setRawProperty(key, jsonMarshaller.toJson(value));
}
/**
* Gets properties as an object.
*
* @param valueType
* type of the object
* @param
* type of the object
* @return corresponding properties.
*/
@SuppressWarnings("unchecked")
public @Nullable T getProperties(Class valueType) {
if (isEmpty() || valueType == null) {
return null;
}
if (CustomProperties.class.isAssignableFrom(valueType)) {
return (T) this;
}
final Map newMap = new HashMap<>(rawProperties.size());
for (final Entry pair : rawProperties.entrySet()) {
try {
newMap.put(pair.getKey(), jsonMarshaller.fromJson(pair.getValue(), Map.class));
} catch (@SuppressWarnings("unused") Exception exception) {
newMap.put(pair.getKey(), pair.getValue());
}
}
final String serialisedObject = jsonMarshaller.toJson(newMap);
if (String.class.isAssignableFrom(valueType)) {
return (T) serialisedObject;
}
return serialisedObject == null ? null : jsonMarshaller.fromJson(serialisedObject, valueType);
}
/**
* States whether a property is existing.
*
* @param key
* property key.
* @return True if the property is present. False otherwise.
*/
@Internal
public boolean hasProperty(String key) {
if (key == null || isEmpty()) {
return false;
}
return rawProperties.containsKey(key);
}
/**
* Sets the properties from a Json String.
*
* @param json
* Json string describing the properties.
*/
public void setFromJsonString(String json) {
setRawProperties(null);
if (json == null) {
return;
}
@SuppressWarnings("unchecked")
final Map underlyingMap = jsonMarshaller.fromJson(json, Map.class);
for (final Entry pair : underlyingMap.entrySet()) {
setProperty(pair.getKey(), pair.getValue());
}
}
/**
* Sets the properties from a custom object.
*
* @param obj
* object describing the properties
*/
public void setFromObject(Object obj) {
setRawProperties(null);
if (obj == null) {
return;
}
if (obj instanceof CustomProperties) {
setRawProperties(((CustomProperties) obj).getRawProperties());
return;
}
if (obj instanceof String) {
setFromJsonString(obj.toString());
return;
}
setFromJsonString(jsonMarshaller.toJson(obj));
}
/**
* Sets the properties from a custom object.
*
* Note: Similar to {@link #setFromObject(Object)}
*
* @param obj
* object describing the properties
* @return this properties
*/
public CustomProperties fromObject(Object obj) {
setFromObject(obj);
return this;
}
/**
* Generates the custom properties from a custom object.
*
* @param obj
* object describing the properties
* @return corresponding custom properties
*/
public static CustomProperties from(Object obj) {
return new CustomProperties().fromObject(obj);
}
/**
* States whether there are some properties set.
*
* @return true if no properties were set. False otherwise.
*/
public boolean isEmpty() {
return rawProperties == null || rawProperties.isEmpty();
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#toString()
*/
@Override
public String toString() {
return "CustomProperties [rawProperties=" + rawProperties + "]";
}
@Override
public CustomProperties clone() {
return new CustomProperties(rawProperties, jsonMarshaller);
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((rawProperties == null) ? 0 : rawProperties.hashCode());
return result;
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
final CustomProperties other = (CustomProperties) obj;
if (rawProperties == null) {
if (other.rawProperties != null) {
return false;
}
} else if (!rawProperties.equals(other.rawProperties)) {
return false;
}
return true;
}
@Override
public boolean isValid() {
return true;
}
@Override
@Internal
public String getId() {
return String.valueOf(hashCode());
}
/*
* (non-Javadoc)
*
* @see com.arm.mbed.cloud.sdk.common.SdkModel#setId(java.lang.String)
*/
@PerformsNoOperation
@Internal
@Override
public void setId(String id) {
// Nothing to do
}
}