Java Code Examples for org.springframework.util.StringUtils#pathEquals()

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Example 1
Source File: WebUtils.java    From spring-analysis-note with MIT License 6 votes vote down vote up 
/**
 * Set a system property to the web application root directory.
 * The key of the system property can be defined with the "webAppRootKey"
 * context-param in {@code web.xml}. Default is "webapp.root".
 * <p>Can be used for tools that support substitution with {@code System.getProperty}
 * values, like log4j's "${key}" syntax within log file locations.
 * @param servletContext the servlet context of the web application
 * @throws IllegalStateException if the system property is already set,
 * or if the WAR file is not expanded
 * @see #WEB_APP_ROOT_KEY_PARAM
 * @see #DEFAULT_WEB_APP_ROOT_KEY
 * @see WebAppRootListener
 */
public static void setWebAppRootSystemProperty(ServletContext servletContext) throws IllegalStateException {
	Assert.notNull(servletContext, "ServletContext must not be null");
	String root = servletContext.getRealPath("/");
	if (root == null) {
		throw new IllegalStateException(
				"Cannot set web app root system property when WAR file is not expanded");
	}
	String param = servletContext.getInitParameter(WEB_APP_ROOT_KEY_PARAM);
	String key = (param != null ? param : DEFAULT_WEB_APP_ROOT_KEY);
	String oldValue = System.getProperty(key);
	if (oldValue != null && !StringUtils.pathEquals(oldValue, root)) {
		throw new IllegalStateException("Web app root system property already set to different value: '" +
				key + "' = [" + oldValue + "] instead of [" + root + "] - " +
				"Choose unique values for the 'webAppRootKey' context-param in your web.xml files!");
	}
	System.setProperty(key, root);
	servletContext.log("Set web app root system property: '" + key + "' = [" + root + "]");
}
Example 2
Source File: WebUtils.java    From java-technology-stack with MIT License 6 votes vote down vote up 
/**
 * Set a system property to the web application root directory.
 * The key of the system property can be defined with the "webAppRootKey"
 * context-param in {@code web.xml}. Default is "webapp.root".
 * <p>Can be used for tools that support substitution with {@code System.getProperty}
 * values, like log4j's "${key}" syntax within log file locations.
 * @param servletContext the servlet context of the web application
 * @throws IllegalStateException if the system property is already set,
 * or if the WAR file is not expanded
 * @see #WEB_APP_ROOT_KEY_PARAM
 * @see #DEFAULT_WEB_APP_ROOT_KEY
 * @see WebAppRootListener
 */
public static void setWebAppRootSystemProperty(ServletContext servletContext) throws IllegalStateException {
	Assert.notNull(servletContext, "ServletContext must not be null");
	String root = servletContext.getRealPath("/");
	if (root == null) {
		throw new IllegalStateException(
				"Cannot set web app root system property when WAR file is not expanded");
	}
	String param = servletContext.getInitParameter(WEB_APP_ROOT_KEY_PARAM);
	String key = (param != null ? param : DEFAULT_WEB_APP_ROOT_KEY);
	String oldValue = System.getProperty(key);
	if (oldValue != null && !StringUtils.pathEquals(oldValue, root)) {
		throw new IllegalStateException("Web app root system property already set to different value: '" +
				key + "' = [" + oldValue + "] instead of [" + root + "] - " +
				"Choose unique values for the 'webAppRootKey' context-param in your web.xml files!");
	}
	System.setProperty(key, root);
	servletContext.log("Set web app root system property: '" + key + "' = [" + root + "]");
}
Example 3
Source File: WebUtils.java    From lams with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Set a system property to the web application root directory.
 * The key of the system property can be defined with the "webAppRootKey"
 * context-param in {@code web.xml}. Default is "webapp.root".
 * <p>Can be used for tools that support substitution with {@code System.getProperty}
 * values, like log4j's "${key}" syntax within log file locations.
 * @param servletContext the servlet context of the web application
 * @throws IllegalStateException if the system property is already set,
 * or if the WAR file is not expanded
 * @see #WEB_APP_ROOT_KEY_PARAM
 * @see #DEFAULT_WEB_APP_ROOT_KEY
 * @see WebAppRootListener
 * @see Log4jWebConfigurer
 */
public static void setWebAppRootSystemProperty(ServletContext servletContext) throws IllegalStateException {
	Assert.notNull(servletContext, "ServletContext must not be null");
	String root = servletContext.getRealPath("/");
	if (root == null) {
		throw new IllegalStateException(
				"Cannot set web app root system property when WAR file is not expanded");
	}
	String param = servletContext.getInitParameter(WEB_APP_ROOT_KEY_PARAM);
	String key = (param != null ? param : DEFAULT_WEB_APP_ROOT_KEY);
	String oldValue = System.getProperty(key);
	if (oldValue != null && !StringUtils.pathEquals(oldValue, root)) {
		throw new IllegalStateException("Web app root system property already set to different value: '" +
				key + "' = [" + oldValue + "] instead of [" + root + "] - " +
				"Choose unique values for the 'webAppRootKey' context-param in your web.xml files!");
	}
	System.setProperty(key, root);
	servletContext.log("Set web app root system property: '" + key + "' = [" + root + "]");
}
Example 4
Source File: WebUtils.java    From spring4-understanding with Apache License 2.0 6 votes vote down vote up 
/**
 * Set a system property to the web application root directory.
 * The key of the system property can be defined with the "webAppRootKey"
 * context-param in {@code web.xml}. Default is "webapp.root".
 * <p>Can be used for tools that support substitution with {@code System.getProperty}
 * values, like log4j's "${key}" syntax within log file locations.
 * @param servletContext the servlet context of the web application
 * @throws IllegalStateException if the system property is already set,
 * or if the WAR file is not expanded
 * @see #WEB_APP_ROOT_KEY_PARAM
 * @see #DEFAULT_WEB_APP_ROOT_KEY
 * @see WebAppRootListener
 * @see Log4jWebConfigurer
 */
public static void setWebAppRootSystemProperty(ServletContext servletContext) throws IllegalStateException {
	Assert.notNull(servletContext, "ServletContext must not be null");
	String root = servletContext.getRealPath("/");
	if (root == null) {
		throw new IllegalStateException(
			"Cannot set web app root system property when WAR file is not expanded");
	}
	String param = servletContext.getInitParameter(WEB_APP_ROOT_KEY_PARAM);
	String key = (param != null ? param : DEFAULT_WEB_APP_ROOT_KEY);
	String oldValue = System.getProperty(key);
	if (oldValue != null && !StringUtils.pathEquals(oldValue, root)) {
		throw new IllegalStateException(
			"Web app root system property already set to different value: '" +
			key + "' = [" + oldValue + "] instead of [" + root + "] - " +
			"Choose unique values for the 'webAppRootKey' context-param in your web.xml files!");
	}
	System.setProperty(key, root);
	servletContext.log("Set web app root system property: '" + key + "' = [" + root + "]");
}