How to use

lookupBeanDefinition

method

in

jodd.petite.PetiteBeans

/**
 * Returns <code>true</code> if bean name is registered.
 */
public boolean isBeanNameRegistered(final String name) {
  return lookupBeanDefinition(name) != null;
}

/**
 * Lookups for existing {@link jodd.petite.BeanDefinition bean definition}.
 * Throws exception if bean is not found.
 */
protected BeanDefinition lookupExistingBeanDefinition(final String name) {
  BeanDefinition beanDefinition = lookupBeanDefinition(name);
  if (beanDefinition == null) {
    throw new PetiteException("Bean not found: " + name);
  }
  return beanDefinition;
}

/**
 * Iterates all beans. Iteration occurs over the {@link #beanNames() snapshot of bean names}.
 */
public void forEachBean(final Consumer<BeanDefinition> beanDefinitionConsumer) {
  final Set<String> names = beanNames();
  for (String beanName : names) {
    BeanDefinition beanDefinition = lookupBeanDefinition(beanName);
    if (beanDefinition != null) {
      beanDefinitionConsumer.accept(beanDefinition);
    }
  }
}

/**
 * Lookups for first founded {@link BeanDefinition bean definition}.
 * Returns <code>null</code> if none of the beans is found.
 */
protected BeanDefinition lookupBeanDefinitions(final BeanReferences beanReferences) {
  final int total = beanReferences.size();
  for (int i = 0; i < total; i++) {
    final String name = beanReferences.name(i);
    BeanDefinition beanDefinition = lookupBeanDefinition(name);
    if (beanDefinition != null) {
      return beanDefinition;
    }
  }
  return null;
}

/**
 * Registers instance method provider.
 *
 * @param providerName provider name
 * @param beanName bean name
 * @param methodName instance method name
 * @param arguments method argument types
 */
public void registerPetiteProvider(final String providerName, final String beanName, final String methodName, final Class[] arguments) {
  BeanDefinition beanDefinition = lookupBeanDefinition(beanName);
  if (beanDefinition == null) {
    throw new PetiteException("Bean not found: " + beanName);
  }
  Class beanType = beanDefinition.type;
  ClassDescriptor cd = ClassIntrospector.get().lookup(beanType);
  MethodDescriptor md = cd.getMethodDescriptor(methodName, arguments, true);
  if (md == null) {
    throw new PetiteException("Provider method not found: " + methodName);
  }
  ProviderDefinition providerDefinition = new ProviderDefinition(providerName, beanName, md.getMethod());
  providers.put(providerName, providerDefinition);
}

/**
 * Returns <code>true</code> if bean name is registered.
 */
public boolean isBeanNameRegistered(String name) {
  return lookupBeanDefinition(name) != null;
}

/**
 * Returns <code>true</code> if bean name is registered.
 */
public boolean isBeanNameRegistered(final String name) {
  return lookupBeanDefinition(name) != null;
}

/**
 * Lookups for existing {@link jodd.petite.BeanDefinition bean definition}.
 * Throws exception if bean is not found.
 */
protected BeanDefinition lookupExistingBeanDefinition(final String name) {
  BeanDefinition beanDefinition = lookupBeanDefinition(name);
  if (beanDefinition == null) {
    throw new PetiteException("Bean not found: " + name);
  }
  return beanDefinition;
}

/**
 * Lookups for existing bean. Throws exception if bean is not found.
 */
protected BeanDefinition lookupExistingBeanDefinition(String name) {
  BeanDefinition beanDefinition = lookupBeanDefinition(name);
  if (beanDefinition == null) {
    throw new PetiteException("Bean: '" + name + "' not registered.");
  }
  return beanDefinition;
}

/**
 * Iterates all beans. Iteration occurs over the {@link #beanNames() snapshot of bean names}.
 */
public void forEachBean(final Consumer<BeanDefinition> beanDefinitionConsumer) {
  final Set<String> names = beanNames();
  for (String beanName : names) {
    BeanDefinition beanDefinition = lookupBeanDefinition(beanName);
    if (beanDefinition != null) {
      beanDefinitionConsumer.accept(beanDefinition);
    }
  }
}

/**
 * Lookups for first founded {@link BeanDefinition bean definition}.
 * Returns <code>null</code> if none of the beans is found.
 */
protected BeanDefinition lookupBeanDefinitions(final BeanReferences beanReferences) {
  final int total = beanReferences.size();
  for (int i = 0; i < total; i++) {
    final String name = beanReferences.name(i);
    BeanDefinition beanDefinition = lookupBeanDefinition(name);
    if (beanDefinition != null) {
      return beanDefinition;
    }
  }
  return null;
}

/**
 * Registers instance method provider.
 *
 * @param providerName provider name
 * @param beanName bean name
 * @param methodName instance method name
 * @param arguments method argument types
 */
public void registerPetiteProvider(final String providerName, final String beanName, final String methodName, final Class[] arguments) {
  BeanDefinition beanDefinition = lookupBeanDefinition(beanName);
  if (beanDefinition == null) {
    throw new PetiteException("Bean not found: " + beanName);
  }
  Class beanType = beanDefinition.type;
  ClassDescriptor cd = ClassIntrospector.get().lookup(beanType);
  MethodDescriptor md = cd.getMethodDescriptor(methodName, arguments, true);
  if (md == null) {
    throw new PetiteException("Provider method not found: " + methodName);
  }
  ProviderDefinition providerDefinition = new ProviderDefinition(providerName, beanName, md.getMethod());
  providers.put(providerName, providerDefinition);
}