How to use

getExpressionCache

method

in

org.thymeleaf.cache.ICacheManager

static Object getFromCache(final IEngineConfiguration configuration, final String input, final String type) {
  final ICacheManager cacheManager = configuration.getCacheManager();
  if (cacheManager != null) {
    final ICache<ExpressionCacheKey,Object> cache = cacheManager.getExpressionCache();
    if (cache != null) {
      return cache.get(new ExpressionCacheKey(type,input));
    }
  }
  return null;
}

static <V> void putIntoCache(final IEngineConfiguration configuration, final String input, final V value, final String type) {
  final ICacheManager cacheManager = configuration.getCacheManager();
  if (cacheManager != null) {
    final ICache<ExpressionCacheKey,Object> cache = cacheManager.getExpressionCache();
    if (cache != null) {
      cache.put(new ExpressionCacheKey(type,input), value);
    }
  }
}

static <V> void removeFromCache(final IEngineConfiguration configuration, final String input, final String type) {
  final ICacheManager cacheManager = configuration.getCacheManager();
  if (cacheManager != null) {
    final ICache<ExpressionCacheKey,Object> cache = cacheManager.getExpressionCache();
    if (cache != null) {
      cache.clearKey(new ExpressionCacheKey(type,input));
    }
  }
}

final ICache<ExpressionCacheKey, Object> expressionCache = (cacheManager == null? null : cacheManager.getExpressionCache());

private static Object getFromCache(final Configuration configuration, final String input, final String prefix) {
  final ICacheManager cacheManager = configuration.getCacheManager();
  if (cacheManager != null) {
    final ICache<String,Object> cache = cacheManager.getExpressionCache();
    if (cache != null) {
      return cache.get(prefix + input);
    }
  }
  return null;
}

private static <V> void putIntoCache(final Configuration configuration, final String input, final V value, final String prefix) {
  final ICacheManager cacheManager = configuration.getCacheManager();
  if (cacheManager != null) {
    final ICache<String,Object> cache = cacheManager.getExpressionCache();
    if (cache != null) {
      cache.put(prefix + input, value);
    }
  }
}

public final List<Node> extractFragment(final Configuration configuration, final List<Node> nodes) {
  DOMSelector selector = null;
  ICache<String,Object> expressionCache = null;
  
  final ICacheManager cacheManager = configuration.getCacheManager();
  if (cacheManager != null) {
    expressionCache = cacheManager.getExpressionCache();
    if (expressionCache != null) {
      selector = (DOMSelector) expressionCache.get(this.domSelectorCacheKey);
    }
  }
  
  if (selector == null) {
    selector = new DOMSelector(this.selectorExpression);
    if (expressionCache != null) {
      expressionCache.put(this.domSelectorCacheKey, selector);
    }
  }
  
  final List<Node> extraction = selector.select(nodes, this.referenceChecker);
  if (extraction == null || extraction.size() == 0) {
    return null;
  }
    
  
  return extraction;
}

public final List<Node> extractFragment(final Configuration configuration, final List<Node> nodes) {
  DOMSelector selector = null;
  ICache<String,Object> expressionCache = null;
  
  final ICacheManager cacheManager = configuration.getCacheManager();
  if (cacheManager != null) {
    expressionCache = cacheManager.getExpressionCache();
    if (expressionCache != null) {
      selector = (DOMSelector) expressionCache.get(this.domSelectorCacheKey);
    }
  }
  
  if (selector == null) {
    selector = new DOMSelector(this.selectorExpression);
    if (expressionCache != null) {
      expressionCache.put(this.domSelectorCacheKey, selector);
    }
  }
  final DOMSelector.INodeReferenceChecker referenceChecker = getReferenceChecker(configuration);
  final List<Node> extraction = selector.select(nodes, referenceChecker);
  if (extraction == null || extraction.size() == 0) {
    return null;
  }
    
  
  return extraction;
}

private static ComputedSpelExpression getExpression(final IEngineConfiguration configuration, final String spelExpression) {
  ComputedSpelExpression exp = null;
  ICache<ExpressionCacheKey, Object> cache = null;
  final ICacheManager cacheManager = configuration.getCacheManager();
  if (cacheManager != null) {
    cache = cacheManager.getExpressionCache();
    if (cache != null) {
      exp = (ComputedSpelExpression) cache.get(new ExpressionCacheKey(EXPRESSION_CACHE_TYPE_SPEL,spelExpression));
    }
  }
  if (exp == null) {
    final SpelExpression spelExpressionObject = (SpelExpression) PARSER.parseExpression(spelExpression);
    final boolean mightNeedExpressionObjects = StandardExpressionUtils.mightNeedExpressionObjects(spelExpression);
    exp = new ComputedSpelExpression(spelExpressionObject, mightNeedExpressionObjects);
    if (cache != null && null != exp) {
      cache.put(new ExpressionCacheKey(EXPRESSION_CACHE_TYPE_SPEL,spelExpression), exp);
    }
  }
  return exp;
  
}

private static ComputedSpelExpression getExpression(final IEngineConfiguration configuration, final String spelExpression) {
  ComputedSpelExpression exp = null;
  ICache<ExpressionCacheKey, Object> cache = null;
  final ICacheManager cacheManager = configuration.getCacheManager();
  if (cacheManager != null) {
    cache = cacheManager.getExpressionCache();
    if (cache != null) {
      exp = (ComputedSpelExpression) cache.get(new ExpressionCacheKey(EXPRESSION_CACHE_TYPE_SPEL,spelExpression));
    }
  }
  if (exp == null) {
    final SpelExpression spelExpressionObject = (SpelExpression) PARSER.parseExpression(spelExpression);
    final boolean mightNeedExpressionObjects = StandardExpressionUtils.mightNeedExpressionObjects(spelExpression);
    exp = new ComputedSpelExpression(spelExpressionObject, mightNeedExpressionObjects);
    if (cache != null && null != exp) {
      cache.put(new ExpressionCacheKey(EXPRESSION_CACHE_TYPE_SPEL,spelExpression), exp);
    }
  }
  return exp;
  
}

final ICacheManager cacheManager = configuration.getCacheManager();
if (cacheManager != null) {
  cache = cacheManager.getExpressionCache();
  if (cache != null) {
    expressionTree = cache.get(OGNL_CACHE_PREFIX + expression);

private static ComputedSpelExpression getExpression(final IEngineConfiguration configuration, final String spelExpression) {
  ComputedSpelExpression exp = null;
  ICache<ExpressionCacheKey, Object> cache = null;
  final ICacheManager cacheManager = configuration.getCacheManager();
  if (cacheManager != null) {
    cache = cacheManager.getExpressionCache();
    if (cache != null) {
      exp = (ComputedSpelExpression) cache.get(new ExpressionCacheKey(EXPRESSION_CACHE_TYPE_SPEL,spelExpression));
    }
  }
  if (exp == null) {
    // SELECT THE ADEQUATE SpEL EXPRESSION PARSER depending on whether SpEL compilation is enabled
    final SpelExpressionParser spelExpressionParser =
        PARSER_WITH_COMPILED_SPEL != null && SpringStandardExpressions.isSpringELCompilerEnabled(configuration)?
            PARSER_WITH_COMPILED_SPEL : PARSER_WITHOUT_COMPILED_SPEL;
    final SpelExpression spelExpressionObject = (SpelExpression) spelExpressionParser.parseExpression(spelExpression);
    final boolean mightNeedExpressionObjects = StandardExpressionUtils.mightNeedExpressionObjects(spelExpression);
    exp = new ComputedSpelExpression(spelExpressionObject, mightNeedExpressionObjects);
    if (cache != null && null != exp) {
      cache.put(new ExpressionCacheKey(EXPRESSION_CACHE_TYPE_SPEL,spelExpression), exp);
    }
  }
  return exp;
  
}

private static ComputedSpelExpression getExpression(final IEngineConfiguration configuration, final String spelExpression) {
  ComputedSpelExpression exp = null;
  ICache<ExpressionCacheKey, Object> cache = null;
  final ICacheManager cacheManager = configuration.getCacheManager();
  if (cacheManager != null) {
    cache = cacheManager.getExpressionCache();
    if (cache != null) {
      exp = (ComputedSpelExpression) cache.get(new ExpressionCacheKey(EXPRESSION_CACHE_TYPE_SPEL,spelExpression));
    }
  }
  if (exp == null) {
    // SELECT THE ADEQUATE SpEL EXPRESSION PARSER depending on whether SpEL compilation is enabled
    final SpelExpressionParser spelExpressionParser =
        PARSER_WITH_COMPILED_SPEL != null && SpringStandardExpressions.isSpringELCompilerEnabled(configuration)?
            PARSER_WITH_COMPILED_SPEL : PARSER_WITHOUT_COMPILED_SPEL;
    final SpelExpression spelExpressionObject = (SpelExpression) spelExpressionParser.parseExpression(spelExpression);
    final boolean mightNeedExpressionObjects = StandardExpressionUtils.mightNeedExpressionObjects(spelExpression);
    exp = new ComputedSpelExpression(spelExpressionObject, mightNeedExpressionObjects);
    if (cache != null && null != exp) {
      cache.put(new ExpressionCacheKey(EXPRESSION_CACHE_TYPE_SPEL,spelExpression), exp);
    }
  }
  return exp;
  
}

private static ComputedSpelExpression getExpression(final IEngineConfiguration configuration, final String spelExpression) {
  ComputedSpelExpression exp = null;
  ICache<ExpressionCacheKey, Object> cache = null;
  final ICacheManager cacheManager = configuration.getCacheManager();
  if (cacheManager != null) {
    cache = cacheManager.getExpressionCache();
    if (cache != null) {
      exp = (ComputedSpelExpression) cache.get(new ExpressionCacheKey(EXPRESSION_CACHE_TYPE_SPEL,spelExpression));
    }
  }
  if (exp == null) {
    // SELECT THE ADEQUATE SpEL EXPRESSION PARSER depending on whether SpEL compilation is enabled
    final SpelExpressionParser spelExpressionParser =
        PARSER_WITH_COMPILED_SPEL != null && SpringStandardExpressions.isSpringELCompilerEnabled(configuration)?
            PARSER_WITH_COMPILED_SPEL : PARSER_WITHOUT_COMPILED_SPEL;
    final SpelExpression spelExpressionObject = (SpelExpression) spelExpressionParser.parseExpression(spelExpression);
    final boolean mightNeedExpressionObjects = StandardExpressionUtils.mightNeedExpressionObjects(spelExpression);
    exp = new ComputedSpelExpression(spelExpressionObject, mightNeedExpressionObjects);
    if (cache != null && null != exp) {
      cache.put(new ExpressionCacheKey(EXPRESSION_CACHE_TYPE_SPEL,spelExpression), exp);
    }
  }
  return exp;
  
}

final ICacheManager cacheManager = configuration.getCacheManager();
if (cacheManager != null) {
  cache = cacheManager.getExpressionCache();