Java Utililty Methods Properties

List of utility methods to do Properties

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Description

The list of methods to do Properties are organized into topic(s).

Method

voidmergePropertiesIntoMap(Properties props, Map map)
Merge the given Properties instance into the given Map, copying all properties (key-value pairs) over. 
if (map == null) {
    throw new IllegalArgumentException("Map must not be null");
if (props != null) {
    for (Enumeration en = props.propertyNames(); en.hasMoreElements();) {
        String key = (String) en.nextElement();
        Object value = props.getProperty(key);
        if (value == null) {
...
voidmergePropertiesIntoMap(Properties props, Map map)
merge Properties Into Map 
if (map == null) {
    throw new IllegalArgumentException("Map must not be null");
} else {
    if (props != null) {
        Enumeration en = props.propertyNames();
        while (en.hasMoreElements()) {
            String key = (String) en.nextElement();
            map.put(key, props.getProperty(key));
...
voidmergeSystemProperties(Properties properties)
Add properties to the system properties. 
if (properties == null)
    return;
Enumeration enumeration = properties.propertyNames();
while (enumeration.hasMoreElements()) {
    String name = (String) enumeration.nextElement();
    if (System.getProperty(name) == null) {
        String value = properties.getProperty(name);
        System.setProperty(name, value);
...
ObjectpropertiesToJson(Properties properties)
properties To Json 
Map<String, String> jsonObj = new HashMap<String, String>();
if (properties != null) {
    Set<String> keys = properties.stringPropertyNames();
    for (String key : keys) {
        jsonObj.put(key, properties.getProperty(key));
return jsonObj;
...
MappropertiesToMap(Properties props)
properties To Map 
Map<String, String> map = new HashMap<>();
for (String key : props.stringPropertyNames()) {
    String value = props.getProperty(key);
    map.put(key, value);
return map;
voidputAll(final Map props, final Properties p)
put All 
for (Enumeration<?> e = p.propertyNames(); e.hasMoreElements();) {
    String s = (String) e.nextElement();
    props.put(s, p.getProperty(s));
voidputAll(Properties properties, Map result)
Copies all elements from properties into the given result. 
for (Enumeration<Object> keys = properties.keys(); keys.hasMoreElements();) {
    String key = (String) keys.nextElement();
    result.put(key, properties.getProperty(key));
PropertiesputPrefixToProperties(String prefix, Properties pro)
put Prefix To Properties 
Enumeration en;
Properties res = new Properties();
en = pro.propertyNames();
for (; en.hasMoreElements();) {
    String nom = (String) en.nextElement();
    res.setProperty(prefix + nom, pro.getProperty(nom));
return res;
...
voidremoveDots(Properties props)
remove Dots 
Enumeration keys = props.keys();
HashMap hash = new HashMap();
boolean done = false;
for (; keys.hasMoreElements();) {
    String key = (String) keys.nextElement();
    if (key.indexOf('.') != -1) {
        int len = key.length();
        int newLen = 0;
...
Mapsearch(List properties, String term)
search 
Map<String, String> collect = properties.stream().filter(line -> line.split("=")[0].contains(term))
        .map(line -> {
            Map<String, String> stringStringHashMap = new HashMap<>();
            stringStringHashMap.put(line.split("=")[0], line.split("=")[1]);
            return stringStringHashMap;
        }).reduce((stringStringMap, stringStringMap2) -> {
            stringStringMap.putAll(stringStringMap2);
            return stringStringMap;
...