Example usage for org.apache.commons.configuration.io FileHandler load

Introduction

In this page you can find the example usage for org.apache.commons.configuration.io FileHandler load.

Prototype

public void load() throws ConfigurationException 

Source Link

Document

Loads the associated file from the underlying location.

Usage

From source file:ubic.basecode.util.ConfigUtils.java

/**
 * @param name the classpath location, such as "project.properties" in the base package, or
 *        org/foo/project.properties.//from w  w w  .  j  a va 2 s .  c o m
 * @return
 * @throws ConfigurationException
 */
public static PropertiesConfiguration loadClasspathConfig(String name) throws ConfigurationException {
    ClassLoader loader = Thread.currentThread().getContextClassLoader();

    URL url = loader.getResource(name);
    if (url == null) {
        throw new ConfigurationException("Couldn't locate: " + name);
    }

    PropertiesConfiguration pc = new PropertiesConfiguration();
    FileHandler handler = new FileHandler(pc);
    handler.setURL(url);
    handler.load();
    return pc;
}

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From source file:ubic.basecode.util.ConfigUtils.java

/**
 * @param file//from  ww w  .  j  ava 2  s  .co  m
 * @return
 * @throws ConfigurationException
 */
public static PropertiesConfiguration loadConfig(File file) throws ConfigurationException {
    if (!file.exists()) {
        try {
            FileTools.touch(file);
        } catch (IOException e) {
            throw new ConfigurationException("Couldn't create the file: " + e.getMessage());
        }
    }
    PropertiesConfiguration pc = new PropertiesConfiguration();
    FileHandler handler = new FileHandler(pc);
    handler.setFile(file);
    handler.load();
    return pc;
}

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From source file:ubic.basecode.util.r.RServeClient.java

/**
 * @return//  w w w  .java2 s  . c  om
 * @throws ConfigurationException
 */
protected static String findRserveCommand() throws ConfigurationException {
    URL userSpecificConfigFileLocation = ConfigUtils.locate("local.properties");

    PropertiesConfiguration userConfig = null;
    if (userSpecificConfigFileLocation != null) {
        userConfig = new PropertiesConfiguration();
        FileHandler handler = new FileHandler(userConfig);
        handler.setFileName("local.properties");
        handler.load();
    }
    String rserveExecutable = null;
    if (userConfig != null) {
        rserveExecutable = userConfig.getString("rserve.start.command");
    }
    if (StringUtils.isBlank(rserveExecutable)) {
        log.info("Rserve command not configured? Trying fallbacks");
        if (os.startsWith("windows")) { // lower cased
            rserveExecutable = System.getenv("R_HOME") + File.separator + "library" + File.separator + "Rserve"
                    + File.separator + "Rserve.exe";
        } else {
            rserveExecutable = "R CMD Rserve";
        }
    }
    return rserveExecutable;
}

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