How to use

resolveEmbeddedValue

method

in

org.springframework.beans.factory.config.ConfigurableBeanFactory

/**
 * Resolve the specified value if possible.
 *
 * @see ConfigurableBeanFactory#resolveEmbeddedValue
 */
private String resolve(String value) {
  if (this.beanFactory != null && this.beanFactory instanceof ConfigurableBeanFactory) {
    return ((ConfigurableBeanFactory) this.beanFactory).resolveEmbeddedValue(value);
  }
  return value;
}

protected Boolean isPropertyEnabled(String propertyName) {
  Boolean shouldProceed;
  try {
    String value = beanFactory.resolveEmbeddedValue("${" + propertyName + ":false}");
    shouldProceed = Boolean.parseBoolean(value);
  } catch (Exception e) {
    shouldProceed = false;
  }
  return shouldProceed;
}

protected Boolean isPropertyEnabled(String propertyName) {
  Boolean shouldProceed;
  try {
    String value = beanFactory.resolveEmbeddedValue("${" + propertyName + ":false}");
    shouldProceed = Boolean.parseBoolean(value);
  } catch (Exception e) {
    shouldProceed = false;
  }
  return shouldProceed;
}

  protected Boolean isPropertyEnabled(String propertyName) {
    Boolean shouldProceed;
    try {
      String value = beanFactory.resolveEmbeddedValue("${" + propertyName + ":false}");
      shouldProceed = Boolean.parseBoolean(value);
    } catch (Exception e) {
      shouldProceed = false;
    }
    return shouldProceed;
  }
}

@Override
@Nullable
public String resolveStringValue(String strVal) {
  String value = this.exprContext.getBeanFactory().resolveEmbeddedValue(strVal);
  if (this.exprResolver != null && value != null) {
    Object evaluated = this.exprResolver.evaluate(value, this.exprContext);
    value = (evaluated != null ? evaluated.toString() : null);
  }
  return value;
}

public String getProperty(String key) {
  if(key==null) {
    return null;
  }
  String name = prefix + "." + key;
  if (prefix == null) {
    name = key;
  }
  String rv = beanFactory.resolveEmbeddedValue("${" + name + "}");
  if(rv.equals("${" + name + "}")) {
    return null;
  }
  return rv;
}

/**
 * Resolve the given annotation-specified value,
 * potentially containing placeholders and expressions.
 */
@Nullable
private Object resolveStringValue(String value) {
  if (this.configurableBeanFactory == null) {
    return value;
  }
  String placeholdersResolved = this.configurableBeanFactory.resolveEmbeddedValue(value);
  BeanExpressionResolver exprResolver = this.configurableBeanFactory.getBeanExpressionResolver();
  if (exprResolver == null || this.expressionContext == null) {
    return value;
  }
  return exprResolver.evaluate(placeholdersResolved, this.expressionContext);
}

/**
 * Resolve the given annotation-specified value,
 * potentially containing placeholders and expressions.
 */
@Nullable
private Object resolveStringValue(String value) {
  if (this.configurableBeanFactory == null || this.expressionContext == null) {
    return value;
  }
  String placeholdersResolved = this.configurableBeanFactory.resolveEmbeddedValue(value);
  BeanExpressionResolver exprResolver = this.configurableBeanFactory.getBeanExpressionResolver();
  if (exprResolver == null) {
    return value;
  }
  return exprResolver.evaluate(placeholdersResolved, this.expressionContext);
}

/**
 * Resolve the given annotation-specified value,
 * potentially containing placeholders and expressions.
 */
private Object resolveStringValue(String value) {
  if (this.configurableBeanFactory == null) {
    return value;
  }
  String placeholdersResolved = this.configurableBeanFactory.resolveEmbeddedValue(value);
  BeanExpressionResolver exprResolver = this.configurableBeanFactory.getBeanExpressionResolver();
  if (exprResolver == null) {
    return value;
  }
  return exprResolver.evaluate(placeholdersResolved, this.expressionContext);
}

@Override
@Nullable
public String resolveStringValue(String strVal) {
  String value = this.exprContext.getBeanFactory().resolveEmbeddedValue(strVal);
  if (this.exprResolver != null && value != null) {
    Object evaluated = this.exprResolver.evaluate(value, this.exprContext);
    value = (evaluated != null ? evaluated.toString() : null);
  }
  return value;
}

public String getProperty(String key, String suffix) {
  if(key==null) {
    return null;
  }
  String name = prefix + "." + key + "." + suffix;
  if (prefix == null) {
    name = key + "." + suffix;
  }
  String rv = beanFactory.resolveEmbeddedValue("${" + name + "}");
    if (rv == null ||rv.equals("${" + name + "}")) {
    LOG.warn("property ${" + name + "} not found, Reverting to property without suffix"+suffix);
    rv = getProperty(key);
  }
  return rv;
}

configurableBeanFactory.resolveEmbeddedValue(expression), beanExpressionContext);

/**
 * Resolve the given annotation-specified value,
 * potentially containing placeholders and expressions.
 */
@Nullable
private Object resolveStringValue(String value) {
  if (this.configurableBeanFactory == null) {
    return value;
  }
  String placeholdersResolved = this.configurableBeanFactory.resolveEmbeddedValue(value);
  BeanExpressionResolver exprResolver = this.configurableBeanFactory.getBeanExpressionResolver();
  if (exprResolver == null || this.expressionContext == null) {
    return value;
  }
  return exprResolver.evaluate(placeholdersResolved, this.expressionContext);
}

/**
 * Will return null if the Spring property value defined in {@link #propertyName} resolves to false, or if
 * an exception occurs while trying to determine the value for the property.
 *
 * @param loader
 * @param className
 * @param classBeingRedefined
 * @param protectionDomain
 * @param classfileBuffer
 * @return
 * @throws IllegalClassFormatException
 */
@Override
public byte[] transform(ClassLoader loader, String className, Class<?> classBeingRedefined,
    ProtectionDomain protectionDomain, byte[] classfileBuffer) throws IllegalClassFormatException {
  Boolean shouldProceed;
  try {
    String value = beanFactory.resolveEmbeddedValue("${" + propertyName + ":false}");
    shouldProceed = Boolean.parseBoolean(value);
  } catch (Exception e) {
    shouldProceed = false;
  }
  if (!shouldProceed) {
    return null;
  }
  return super.transform(loader, className, classBeingRedefined, protectionDomain, classfileBuffer);
}

/**
 * Resolve placeholder property values, e.g.
 * <br />
 * <br />
 * "${somePropertyValue}" -> "the actual property value"
 */
public Object resolvePropertyValue(ConfigurableBeanFactory beanFactory, String beanName, String placeholder) {
 // resolve string value
 String strVal = beanFactory.resolveEmbeddedValue(placeholder);
 BeanDefinition bd = (beanFactory.containsBean(beanName) ? beanFactory
   .getMergedBeanDefinition(beanName) : null);
 // resolve expressions like "#{systemProperties.myProp}"
 return evaluateBeanDefinitionString(beanFactory, strVal, bd);
}

/**
 * Resolve the specified value if possible.
 * @param value the value to resolve
 * @return the resolved value
 * @see ConfigurableBeanFactory#resolveEmbeddedValue
 */
private String resolve(String value) {
  if (this.beanFactory != null && this.beanFactory instanceof ConfigurableBeanFactory) {
    return ((ConfigurableBeanFactory) this.beanFactory).resolveEmbeddedValue(value);
  }
  return value;
}

/**
 * Resolve the given annotation-specified value,
 * potentially containing placeholders and expressions.
 */
private Object resolveStringValue(String value) {
  if (this.configurableBeanFactory == null) {
    return value;
  }
  String placeholdersResolved = this.configurableBeanFactory.resolveEmbeddedValue(value);
  BeanExpressionResolver exprResolver = this.configurableBeanFactory.getBeanExpressionResolver();
  if (exprResolver == null) {
    return value;
  }
  return exprResolver.evaluate(placeholdersResolved, this.expressionContext);
}

private String resolve(String value) {
  if (getBeanFactory() != null && getBeanFactory() instanceof ConfigurableBeanFactory) {
    return ((ConfigurableBeanFactory) getBeanFactory()).resolveEmbeddedValue(value);
  }
  return value;
}

/**
 * Resolve the specified value if possible.
 * @param value the value to resolve.
 * @return the resolved value.
 * @see ConfigurableBeanFactory#resolveEmbeddedValue
 */
private String resolve(String value) {
  if (this.beanFactory != null && this.beanFactory instanceof ConfigurableBeanFactory) {
    return ((ConfigurableBeanFactory) this.beanFactory).resolveEmbeddedValue(value);
  }
  return value;
}

private String resolve(String value) {
  if (this.resolver != null) {
    String resolvedValue = this.beanExpressionContext.getBeanFactory().resolveEmbeddedValue(value);
    Object newValue = this.resolver.evaluate(resolvedValue, this.beanExpressionContext);
    Assert.isInstanceOf(String.class, newValue, "Invalid @SendTo expression");
    return (String) newValue;
  }
  else {
    return value;
  }
}