Java Utililty Methods Dictionary Usage

List of utility methods to do Dictionary Usage

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Description

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

Method

voidaddReferenceIdsToServiceProperties(String prefix, Map referenceProps, Dictionary serviceProps)
add Reference Ids To Service Properties 
Object serviceId = referenceProps.get("service.id");
if (serviceId != null) {
    serviceProps.put(prefix + ".service.id", serviceId);
Object servicedPid = referenceProps.get("service.pid");
if (servicedPid != null) {
    serviceProps.put(prefix + ".service.pid", servicedPid);
booleancontainsKey(Dictionary dict, String key)
contains Key 
if (dict == null || key == null) {
    return false;
return dict.get(key) != null;
BooleangetBoolean(Dictionary p, Object key, Boolean defaultValue)
get Boolean 
Object value = p.get(key);
if (value == null)
    return defaultValue;
if (value instanceof Boolean)
    return (Boolean) value;
String s = value.toString().toLowerCase().trim();
if (s.equals("true") || s.equals("yes"))
    return new Boolean(true);
...
StringgetSpringContextHeader(Dictionary headers)
Return the #SPRING_CONTEXT_HEADER if present from the given dictionary. 
Object header = null;
if (headers != null)
    header = headers.get(SPRING_CONTEXT_HEADER);
return (header != null ? header.toString().trim() : null);
BooleangetState(Dictionary conf, String property)
Getter for the state of a boolean type property. 
Object value = conf.get(property);
if (value instanceof String) {
    String strVal = ((String) value).trim();
    if ("0".equals(strVal)) {
        return false;
    } else if ("1".equals(strVal)) {
        return true;
    } else {
...
StringgetString(Dictionary p, Object key, String defaultValue)
get String 
Object value = p.get(key);
if (value == null)
    return defaultValue;
else
    return value.toString();
booleanisNullOrNothing(final Object[] array)
is Null Or Nothing 
return array == null || array.length == 0;
voidparseRequestOption(Dictionary conf, String confParam, Map requestOptions)
Parses a request option from the configuration parameters. 
Boolean state = getState(conf, confParam);
if (state != null) {
    String reqParam = confParam.substring(3); 
    requestOptions.put(reqParam, state);
voidsetDefault(Dictionary dict, String key, String value)
Puts the given key-value pair in the given dictionary if the key does not already exist in it or if its existing value is null. 
if (dict.get(key) == null) {
    dict.put(key, value);
voidsetProperty(Dictionary properties, String key, String value)
set Property 
if (value != null) {
    properties.put(key, value);