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devutility.internal.util.PropertiesUtils Maven / Gradle / Ivy
package devutility.internal.util;
import java.io.InputStream;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import devutility.internal.annotations.PropertiesKey;
import devutility.internal.data.BeanUtils;
import devutility.internal.lang.ClassUtils;
import devutility.internal.lang.StringUtils;
import devutility.internal.lang.models.EntityField;
public class PropertiesUtils {
/**
* Get properties.
* @param propertiesFile: Properties file name.
* @return Properties
*/
public static Properties getProperties(String propertiesFile) {
InputStream inputStream = PropertiesUtils.class.getClassLoader().getResourceAsStream(propertiesFile);
return getProperties(inputStream);
}
/**
* Get properties
* @param inputStream: InputStream of properties file
* @return Properties
*/
public static Properties getProperties(InputStream inputStream) {
try (InputStream inStream = inputStream) {
Properties properties = new Properties();
properties.load(inStream);
return properties;
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
/**
* Check one properties object whether contains prefix.
* @param properties: Properties object
* @param prefix: Prefix of property key
* @return boolean
*/
public static boolean containsPrefix(Properties properties, String prefix) {
List keys = Collections.list(properties.keys());
for (Object key : keys) {
if (key.toString().indexOf(prefix) == 0) {
return true;
}
}
return false;
}
/**
* Check one properties file whether contains prefix.
* @param resourceName: Properties file
* @param prefix: Prefix of property key
* @return boolean
*/
public static boolean containsPrefix(String resourceName, String prefix) {
Properties properties = getProperties(resourceName);
return containsPrefix(properties, prefix);
}
/**
* Check one properties object whether contains key.
* @param properties: Properties object
* @param key: Key name for you query
* @return boolean
*/
public static boolean containsKey(Properties properties, String key) {
return properties.containsKey(key);
}
/**
* Check one properties file whether contains key.
* @param resourceName: Properties file
* @param key: Key name for you query
* @return boolean
*/
public static boolean containsKey(String resourceName, String key) {
Properties properties = getProperties(resourceName);
return containsKey(properties, key);
}
/**
* Get property value.
* @param properties: Properties object
* @param key: Key name for you query
* @return String
*/
public static String getProperty(Properties properties, String key) {
if (properties == null) {
return null;
}
return properties.getProperty(key);
}
/**
* Get property value.
* @param resourceName: Properties file
* @param key: Key name for you query
* @return String
*/
public static String getProperty(String resourceName, String key) {
Properties properties = getProperties(resourceName);
return getProperty(properties, key);
}
/**
* Get property int value.
* @param properties: Properties object
* @param key: Key name for you query
* @return int
*/
public static int getIntProperty(Properties properties, String key) {
String value = getProperty(properties, key);
if (value == null) {
return 0;
}
return Integer.parseInt(value);
}
/**
* Get property int value.
* @param resourceName: Properties file
* @param key: Key name for you query
* @return int
*/
public static int getIntProperty(String resourceName, String key) {
String value = getProperty(resourceName, key);
if (value == null) {
return 0;
}
return Integer.parseInt(value);
}
/**
* Convert properties to Map
* @param resourceName: Properties file
* @return {@code Map}
*/
public static Map toMap(String resourceName) {
Properties properties = getProperties(resourceName);
return toMap(properties);
}
/**
* Convert properties to Map
* @param properties: Properties object
* @return {@code Map}
*/
public static Map toMap(Properties properties) {
Map map = new LinkedHashMap<>();
if (properties == null) {
return map;
}
for (String name : properties.stringPropertyNames()) {
map.put(name, properties.getProperty(name));
}
return map;
}
/**
* Convert Properties to model.
* @param propertiesFile: Properties file.
* @param prefix: Prefix of property key.
* @param clazz: Model Class object.
* @return {@code T}
* @throws NumberFormatException
* @throws IllegalAccessException
* @throws IllegalArgumentException
* @throws InvocationTargetException
*/
public static T toModel(String propertiesFile, String prefix, Class clazz) throws NumberFormatException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
Properties properties = getProperties(propertiesFile);
return toModel(properties, prefix, clazz);
}
/**
* Convert Properties to model.
* @param propertiesFile: Properties file.
* @param clazz: Model Class object.
* @return {@code T}
* @throws NumberFormatException
* @throws IllegalAccessException
* @throws IllegalArgumentException
* @throws InvocationTargetException
*/
public static T toModel(String propertiesFile, Class clazz) throws NumberFormatException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
Properties properties = getProperties(propertiesFile);
return toModel(properties, clazz);
}
/**
* Convert Properties to model.
* @param properties: Properties object.
* @param prefix: Prefix of property key.
* @param clazz: Model Class object.
* @return {@code T}
* @throws NumberFormatException
* @throws IllegalAccessException
* @throws IllegalArgumentException
* @throws InvocationTargetException
*/
public static T toModel(Properties properties, String prefix, Class clazz) throws NumberFormatException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
T model = ClassUtils.instance(clazz);
boolean hasProperty = false;
List entityFields = ClassUtils.getEntityFields(clazz);
for (EntityField entityField : entityFields) {
String value = getPropertyValue(properties, prefix, entityField.getField());
if (value != null) {
BeanUtils.setField(entityField.getSetter(), model, value, entityField.getField());
hasProperty = true;
}
}
if (!hasProperty) {
return null;
}
return model;
}
/**
* Convert Properties to model.
* @param properties: Properties object.
* @param clazz: Model Class object.
* @return {@code T}
* @throws NumberFormatException
* @throws IllegalAccessException
* @throws IllegalArgumentException
* @throws InvocationTargetException
*/
public static T toModel(Properties properties, Class clazz) throws NumberFormatException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
T model = ClassUtils.instance(clazz);
boolean hasProperty = false;
List entityFields = ClassUtils.getEntityFields(clazz);
for (EntityField entityField : entityFields) {
String value = getPropertyValue(properties, entityField.getField());
if (value != null) {
BeanUtils.setField(entityField.getSetter(), model, value, entityField.getField());
hasProperty = true;
}
}
if (!hasProperty) {
return null;
}
return model;
}
/**
* Get property key.
* @param prefix: Prefix of property key.
* @param field: Field object in model.
* @return String
*/
public static String getPropertyKey(String prefix, Field field) {
String propertyKey = getPropertyKey(field);
if (StringUtils.isNotEmpty(propertyKey)) {
return propertyKey;
}
return getPropertyKey(prefix, field.getName());
}
/**
* Get property key.
* @param prefix: Prefix of property key.
* @param fieldName: Field name.
* @return String
*/
public static String getPropertyKey(String prefix, String fieldName) {
if (StringUtils.isNullOrEmpty(prefix)) {
return fieldName;
}
return String.format("%s.%s", prefix, fieldName);
}
/**
* Get property key.
* @param field: Field object in model.
* @return String
*/
public static String getPropertyKey(Field field) {
PropertiesKey propertiesKey = field.getAnnotation(PropertiesKey.class);
if (propertiesKey == null) {
return null;
}
return propertiesKey.value();
}
/**
* Get property value.
* @param properties: Properties object.
* @param prefix: Prefix of property key.
* @param field: Field object in model.
* @return String
*/
public static String getPropertyValue(Properties properties, String prefix, Field field) {
String propertyKey = getPropertyKey(prefix, field);
if (StringUtils.isNullOrEmpty(propertyKey)) {
return null;
}
return PropertiesUtils.getProperty(properties, propertyKey);
}
/**
* Get property value.
* @param properties: Properties object.
* @param field: Field object in model.
* @return String
*/
public static String getPropertyValue(Properties properties, Field field) {
String propertyKey = getPropertyKey(field);
if (StringUtils.isNullOrEmpty(propertyKey)) {
propertyKey = field.getName();
}
return PropertiesUtils.getProperty(properties, propertyKey);
}
}
