}

	public boolean isMixDefaultAndLocalPrefixConfigurations() {
		return mixDefaultAndLocalPrefixConfigurations;
	}

	/**
	 * Load properties.
	 * 
	 * @param props
	 *            the props
	 * @throws IOException
	 *             Signals that an I/O exception has occurred.
	 */
	@Override
	protected void loadProperties(final Properties props) throws IOException {
		if (locations != null) {
			for (int i = 0; i < locations.length; i++) {
				final Resource location = locations[i];
				if (logger.isInfoEnabled()) {
					logger.info("Loading properties file from " + location);
				}
				File file = null;
				InputStream is = null;
				try {
					try {
						file = location.getFile();
						is = new BufferedInputStream(new FileInputStream(file));
					} catch (final IOException ie) {// ignore
					} finally {
						if (file == null) {
							is = location.getInputStream();
						}
					}

					if (location.getFilename().toLowerCase().endsWith(Constants.XML_FILE_EXTENSION)) {
						persister.loadFromXml(props, is);
					} else if (location.getFilename().toLowerCase().endsWith(Constants.JSON_FILE_EXTENSION)) {
						if (fileEncoding != null) {
							persister.loadFromJson(props, new InputStreamReader(is, Charset.forName(fileEncoding)));
						} else {
							persister.loadFromJson(props, is);
						}
					} else if (location.getFilename().toLowerCase().endsWith(Constants.YAML_FILE_EXTENSION)) {
						if (fileEncoding != null) {
							persister.loadFromYAML(props, new InputStreamReader(is, Charset.forName(fileEncoding)));
						} else {
							persister.loadFromYAML(props, is);
						}
					} else {
						if (fileEncoding != null) {
							persister.load(props, new InputStreamReader(is, Charset.forName(fileEncoding)));
						} else {
							persister.load(props, is);
						}
					}
				} catch (final IOException ex) {
					if (ignoreResourceNotFound) {
						if (logger.isWarnEnabled()) {
							logger.warn("Could not load properties from " + location + ": " + ex.getMessage());
						}
					} else {
						throw ex;
					}
				} finally {
					if (is != null) {
						is.close();
					}
				}
			}
		}
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.springframework.core.io.support.PropertiesLoaderSupport#
	 * mergeProperties()
	 */
	@Override
	protected Properties mergeProperties() throws IOException {
		final PrefixedProperties myProperties = createProperties();
		if (localOverride) {
			loadProperties(myProperties);
		}

		if (localProperties != null) {
			for (int i = 0; i < localProperties.length; i++) {

	}

	@Override
	protected void loadProperties(final Properties props) throws IOException {
		if (locations != null) {
			for (int i = 0; i < locations.length; i++) {
				final Resource location = locations[i];
				if (logger.isInfoEnabled()) {
					logger.info("Loading properties file from " + location);
				}
				File file = null;
				InputStream is = null;
				try {
					try {
						file = location.getFile();
						is = new BufferedInputStream(new FileInputStream(file));
					} catch (final IOException ie) {// ignore
					} finally {
						if (file == null) {
							is = location.getInputStream();
						}
					}

					if (location.getFilename().toLowerCase().endsWith(Constants.XML_FILE_EXTENSION)) {
						persister.loadFromXml(props, is);
					} else if (location.getFilename().toLowerCase().endsWith(Constants.JSON_FILE_EXTENSION)) {
						if (fileEncoding != null) {
							persister.loadFromJson(props, new InputStreamReader(is, Charset.forName(fileEncoding)));
						} else {
							persister.loadFromJson(props, is);
						}
					} else if (location.getFilename().toLowerCase().endsWith(Constants.YAML_FILE_EXTENSION)) {
						if (fileEncoding != null) {
							persister.loadFromYAML(props, new InputStreamReader(is, Charset.forName(fileEncoding)));
						} else {
							persister.loadFromYAML(props, is);
						}
					} else {
						if (fileEncoding != null) {
							persister.load(props, new InputStreamReader(is, Charset.forName(fileEncoding)));
						} else {
							persister.load(props, is);
						}
					}
				} catch (final IOException ex) {
					if (ignoreResourceNotFound) {
						if (logger.isWarnEnabled()) {
							logger.warn("Could not load properties from " + location + ": " + ex.getMessage());

							logger.warn("Could not load properties from " + location + ": " + ex.getMessage());
						}
					} else {
						throw ex;
					}
				} finally {
					if (is != null) {
						is.close();
					}
				}
			}
		}
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.springframework.core.io.support.PropertiesLoaderSupport#
	 * mergeProperties()
	 */
	@Override
	protected Properties mergeProperties() throws IOException {

		final PrefixedProperties myProperties = createProperties();

		if (localOverride) {
			// Load properties from file upfront, to let local properties
			// override.
			loadProperties(myProperties);
		}
		if (localProperties != null) {
			for (int i = 0; i < localProperties.length; i++) {
				final Properties props = localProperties[i];
				if (props != null) {
					for (final Enumeration<Object> en = props.keys(); en.hasMoreElements();) {
						final Object key = en.nextElement();
						myProperties.put(key, props.get(key));
					}
				}
			}
		}
		if (!localOverride) {
			// Load properties from file afterwards, to let those properties
			// override.
			loadProperties(myProperties);
		}

		return myProperties;
	}

			}
		}

		if (!localOverride) {
			loadProperties(myProperties);
		}

		return myProperties;
	}

	/**
	 * Sets the default prefix.
	 * 
	 * @param defaultPrefix
	 *            the new default prefix
	 */
	public void setDefaultPrefix(final String defaultPrefix) {
		this.defaultPrefix = defaultPrefix;
	}

	/**
	 * Sets this method to specify a system property to be used as an
	 * environment. The value of the property will be used for setting the
	 * default prefix. {@link PrefixedProperties#setDefaultPrefix(String)}
	 * 
	 * @param defaultPrefixSystemPropertyKey
	 *            the new ddefault prefix system property key
	 */
	public void setDefaultPrefixSystemPropertyKey(final String defaultPrefixSystemPropertyKey) {
		this.defaultPrefixSystemPropertyKey = defaultPrefixSystemPropertyKey;
	}

	/**
	 * Sets the environment factory.
	 * 
	 * @param environmentFactory
	 *            the new environment factory
	 */
	public void setEnvironmentFactory(final EnvironmentFactory environmentFactory) {
		this.environmentFactory = environmentFactory;
	}

	/**
	 * Set the encoding to use for parsing properties files.
	 * <p>
	 * Default is none, using the <code>java.util.Properties</code> default
	 * encoding.
	 * <p>
	 * Only applies to classic properties files, not to XML files.
	 * 
	 * @param encoding
	 *            the new file encoding
	 * @see org.springframework.util.PropertiesPersister#load
	 */
	@Override
	public void setFileEncoding(final String encoding) {
		fileEncoding = encoding;
	}

	/**
	 * Set if failure to find the property resource should be ignored.
	 * <p>
	 * "true" is appropriate if the properties file is completely optional.
	 * Default is "false".
	 * 
	 * @param ignoreResourceNotFound
	 *            the new ignore resource not found
	 */
	@Override
	public void setIgnoreResourceNotFound(final boolean ignoreResourceNotFound) {
		this.ignoreResourceNotFound = ignoreResourceNotFound;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.springframework.core.io.support.PropertiesLoaderSupport#
	 * setLocalOverride(boolean)
	 */
	@Override
	public void setLocalOverride(final boolean localOverride) {
		this.localOverride = localOverride;
	}

	/**
	 * Set a location of a properties file to be loaded.
	 * <p>
	 * Can point to a classic properties file or to an XML file that follows JDK
	 * 1.5's properties XML format.
	 * 
	 * @param location
	 *            the new location
	 */
	@Override
	public void setLocation(final Resource location) {
		locations = new Resource[] { location };
	}