Java Utililty Methods Properties Load from File

List of utility methods to do Properties Load from File

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Description

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

Method

voidloadSettings(String propertiesFileName)
load Settings 
File propertiesFile = new File(HOME_DIR + File.separator + propertiesFileName);
if (propertiesFile.exists()) {
    PROGRAM_SETTINGS.load(new FileInputStream(propertiesFile));
MaploadStrictly(File file)
Loads a Map from a File assuming strings as keys and values. 
try {
    return load(file);
} catch (IOException e) {
    throw new RuntimeException(e);
PropertiesloadSystemProperty(String evn, String fileName)
load System Property 
String tomcatHome = System.getProperty(evn);
System.out.println("tomcat home:[" + tomcatHome + "]");
String setupFile = tomcatHome + File.separatorChar + "conf" + File.separatorChar + fileName;
System.out.println("system config file:" + setupFile);
Properties prop = new Properties();
InputStream is = null;
try {
    is = new FileInputStream(new File(setupFile));
...
PropertiesloadTestProperties(String filename)
load Test Properties 
Properties p = new Properties();
try {
    p.load(new FileInputStream(filename));
} catch (IOException e) {
    p.setProperty("Color.black", "#000000");
    p.setProperty("Color.white", "#FFFFFF");
    p.setProperty("Color.gray", "#808080");
    p.setProperty("Color.beanBackground", "#CCCCCC");
...
StringloadToStringFromFile(String fullFileName)
load To String From File 
List<String> lines = loadToStringListFromFile(fullFileName);
if (lines == null)
    return (String) null;
String linebreak = System.getProperty("line.separator", "\r\n");
StringBuilder sb = new StringBuilder();
Iterator<String> it = lines.iterator();
while (it.hasNext()) {
    sb.append(it.next()).append(linebreak);
...
PropertiesloadTrimedProperties(String filename)
load Trimed Properties 
Properties properties = new Properties();
properties.load(new FileInputStream(filename));
trimProperties(properties);
return properties;
PropertiesloadUniversal(InputStream in)
Determines if the the input stream is xml if it is, use create properties loaded from xml format, otherwise create properties from default format. 
final String xmlDeclarationStart = "<?xml";
BufferedInputStream bin = new BufferedInputStream(in);
bin.mark(4096);
BufferedReader reader = new BufferedReader(new InputStreamReader(bin));
String line = reader.readLine();
boolean isXML = line.startsWith(xmlDeclarationStart);
bin.reset();
Properties props = new Properties();
...
PropertiesloadUserSettings()
load User Settings 
String filename = System.getProperty("user.home") + File.separator + ".RacePoint.xml";
Properties result = new Properties();
InputStream in = null;
try {
    in = new FileInputStream(filename);
    BufferedInputStream inBuf = new BufferedInputStream(in);
    result.loadFromXML(inBuf);
    inBuf.close();
...
PropertiesloadWithNormalMode(final String propertyFilePath)
load With Normal Mode 
Properties props = new Properties();
props.load(new FileInputStream(propertyFilePath));
return props;
voidloadWithTrimmedValues(InputStream iStr, Properties prop)
Read a set of properties from the received input stream, strip off any excess white space that exists in those property values, and then add those newly-read properties to the received Properties object; not explicitly removing the whitespace here can lead to problems. 
Properties p = new Properties();
p.load(iStr);
for (java.util.Enumeration propKeys = p.propertyNames(); propKeys.hasMoreElements();) {
    String tmpKey = (String) propKeys.nextElement();
    String tmpValue = p.getProperty(tmpKey);
    tmpValue = tmpValue.trim();
    prop.put(tmpKey, tmpValue);
return;