Java Storage.isLocalStorageSupported方法代码示例

import com.google.gwt.storage.client.Storage; //导入方法依赖的package包/类
/**
 * Returns the correct {@link TokenStore} implementation to use based on
 * browser support for localStorage.
 */
// TODO(jasonhall): This will not result in CookieStoreImpl being compiled out
// for browsers that support localStorage, and vice versa? If not, this should
// be a deferred binding rule.
private static TokenStoreImpl getTokenStore() {
  return Storage.isLocalStorageSupported() ? new TokenStoreImpl() : new CookieStoreImpl();
}
 

import com.google.gwt.storage.client.Storage; //导入方法依赖的package包/类
@Override
public String getCurrentThemeId() {
  if (currentThemeId == null
      && Storage.isLocalStorageSupported()
      && Storage.getLocalStorageIfSupported().getItem(THEME_STORAGE) != null) {
    setCurrentThemeId(Storage.getLocalStorageIfSupported().getItem(THEME_STORAGE));
  }
  return currentThemeId;
}
 

import com.google.gwt.storage.client.Storage; //导入方法依赖的package包/类
protected String getFieldValue(String field, String defaultValue) {
	if (Storage.isLocalStorageSupported()) {
		Storage storage = Storage.getLocalStorageIfSupported();
		String value = storage.getItem(field);

		return (value != null) ? value : defaultValue;
	} else {
		return getCookie(field, defaultValue);
	}
}
 

import com.google.gwt.storage.client.Storage; //导入方法依赖的package包/类
protected void saveField(String field, String value) {
	if (Storage.isLocalStorageSupported()) {
		Storage storage = Storage.getLocalStorageIfSupported();
		storage.setItem(field, value);
	} else {
		saveCookie(value, field);
	}
}
 

import com.google.gwt.storage.client.Storage; //导入方法依赖的package包/类
/**
 * Returns the correct {@link TokenStore} implementation to use based on browser support for localStorage.
 */
// TODO(jasonhall): This will not result in CookieStoreImpl being compiled out
// for browsers that support localStorage, and vice versa? If not, this should
// be a deferred binding rule.
private static TokenStoreImpl getTokenStore() {
    return Storage.isLocalStorageSupported() ? new TokenStoreImpl() : new CookieStoreImpl();
}
 

import com.google.gwt.storage.client.Storage; //导入方法依赖的package包/类
/**
 * Returns a Local Storage.
 *
 * @return the localStorage instance, or <code>null</code> if Web Storage is NOT supported.
 */
public static StorageExt getLocalStorage() {
  if (localStorage == null && Storage.isLocalStorageSupported()) {
    localStorage = new StorageExt(Storage.getLocalStorageIfSupported());
  }
  return localStorage;
}
 

import com.google.gwt.storage.client.Storage; //导入方法依赖的package包/类
StorageBackend() {
  storageBackend =
      (Storage.isLocalStorageSupported())
          ? Storage.getLocalStorageIfSupported()
          : Storage.getSessionStorageIfSupported();
}
 

import com.google.gwt.storage.client.Storage; //导入方法依赖的package包/类
protected boolean loadStorage() {

		boolean result = false;

		if (Storage.isLocalStorageSupported()) {
			Storage storage = Storage.getLocalStorageIfSupported();

			Collection<String> cookies = null;

			if (Cookies.isCookieEnabled()) {
				cookies = Cookies.getCookieNames();
			}

			for (Field f : getFields()) {
				String value = storage.getItem(f.name);

				if (value != null) {
					// do nothing
				} else if ((cookies != null) && (cookies.contains(f.name))) {
					value = getCookie(f.name, f.defaultValue);
					storage.setItem(f.name, value);
					Cookies.removeCookie(f.name);
				} else {
					value = f.defaultValue;
					storage.setItem(f.name, value);
				}

				setFieldValue(f, value);
			}

			result = true;
		}

		return result;
	}
 

import com.google.gwt.storage.client.Storage; //导入方法依赖的package包/类
/**
 * @return localStorage is supported
 */
private boolean isSupported() {
	return !getState().simulateNotSupported && Storage.isLocalStorageSupported();
}
 

import com.google.gwt.storage.client.Storage; //导入方法依赖的package包/类
public static boolean isPerm() { return Storage.isLocalStorageSupported(); }