How to use

findSingleArgConstructor

method

in

org.codehaus.jackson.map.introspect.BasicBeanDescription

  public static KeyDeserializer findStringBasedKeyDeserializer(DeserializationConfig config, JavaType type)
  {
    /* We don't need full deserialization information, just need to
     * know creators.
     */
    BasicBeanDescription beanDesc = config.introspect(type);
    // Ok, so: can we find T(String) constructor?
    Constructor<?> ctor = beanDesc.findSingleArgConstructor(String.class);
    if (ctor != null) {
      if (config.isEnabled(DeserializationConfig.Feature.CAN_OVERRIDE_ACCESS_MODIFIERS)) {
        ClassUtil.checkAndFixAccess(ctor);
      }
      return new StdKeyDeserializer.StringCtorKeyDeserializer(ctor);
    }
    /* or if not, "static T valueOf(String)" (or equivalent marked
     * with @JsonCreator annotation?)
     */
    Method m = beanDesc.findFactoryMethod(String.class);
    if (m != null){
      if (config.isEnabled(DeserializationConfig.Feature.CAN_OVERRIDE_ACCESS_MODIFIERS)) {
        ClassUtil.checkAndFixAccess(m);
      }
      return new StdKeyDeserializer.StringFactoryKeyDeserializer(m);
    }
    // nope, no such luck...
    return null;
  }
}

  public static KeyDeserializer findStringBasedKeyDeserializer(DeserializationConfig config, JavaType type)
  {
    /* We don't need full deserialization information, just need to
     * know creators.
     */
    BasicBeanDescription beanDesc = config.introspect(type);
    // Ok, so: can we find T(String) constructor?
    Constructor<?> ctor = beanDesc.findSingleArgConstructor(String.class);
    if (ctor != null) {
      if (config.isEnabled(DeserializationConfig.Feature.CAN_OVERRIDE_ACCESS_MODIFIERS)) {
        ClassUtil.checkAndFixAccess(ctor);
      }
      return new StdKeyDeserializer.StringCtorKeyDeserializer(ctor);
    }
    /* or if not, "static T valueOf(String)" (or equivalent marked
     * with @JsonCreator annotation?)
     */
    Method m = beanDesc.findFactoryMethod(String.class);
    if (m != null){
      if (config.isEnabled(DeserializationConfig.Feature.CAN_OVERRIDE_ACCESS_MODIFIERS)) {
        ClassUtil.checkAndFixAccess(m);
      }
      return new StdKeyDeserializer.StringFactoryKeyDeserializer(m);
    }
    // nope, no such luck...
    return null;
  }
}

  public static KeyDeserializer findStringBasedKeyDeserializer(DeserializationConfig config, JavaType type)
  {
    /* We don't need full deserialization information, just need to
     * know creators.
     */
    BasicBeanDescription beanDesc = config.introspect(type);
    // Ok, so: can we find T(String) constructor?
    Constructor<?> ctor = beanDesc.findSingleArgConstructor(String.class);
    if (ctor != null) {
      return new StdKeyDeserializer.StringCtorKeyDeserializer(ctor);
    }
    /* or if not, "static T valueOf(String)" (or equivalent marked
     * with @JsonCreator annotation?)
     */
    Method m = beanDesc.findFactoryMethod(String.class);
    if (m != null){
      return new StdKeyDeserializer.StringFactoryKeyDeserializer(m);
    }
    // nope, no such luck...
    return null;
  }
}

  public static KeyDeserializer findStringBasedKeyDeserializer(DeserializationConfig config, JavaType type)
  {
    /* We don't need full deserialization information, just need to
     * know creators.
     */
    BasicBeanDescription beanDesc = config.introspect(type);
    // Ok, so: can we find T(String) constructor?
    Constructor<?> ctor = beanDesc.findSingleArgConstructor(String.class);
    if (ctor != null) {
      return new StdKeyDeserializer.StringCtorKeyDeserializer(ctor);
    }
    /* or if not, "static T valueOf(String)" (or equivalent marked
     * with @JsonCreator annotation?)
     */
    Method m = beanDesc.findFactoryMethod(String.class);
    if (m != null){
      return new StdKeyDeserializer.StringFactoryKeyDeserializer(m);
    }
    // nope, no such luck...
    return null;
  }
}

  public static KeyDeserializer findStringBasedKeyDeserializer(DeserializationConfig config, JavaType type)
  {
    /* We don't need full deserialization information, just need to
     * know creators.
     */
    BasicBeanDescription beanDesc = config.introspect(type);
    // Ok, so: can we find T(String) constructor?
    Constructor<?> ctor = beanDesc.findSingleArgConstructor(String.class);
    if (ctor != null) {
      if (config.isEnabled(DeserializationConfig.Feature.CAN_OVERRIDE_ACCESS_MODIFIERS)) {
        ClassUtil.checkAndFixAccess(ctor);
      }
      return new StdKeyDeserializer.StringCtorKeyDeserializer(ctor);
    }
    /* or if not, "static T valueOf(String)" (or equivalent marked
     * with @JsonCreator annotation?)
     */
    Method m = beanDesc.findFactoryMethod(String.class);
    if (m != null){
      if (config.isEnabled(DeserializationConfig.Feature.CAN_OVERRIDE_ACCESS_MODIFIERS)) {
        ClassUtil.checkAndFixAccess(m);
      }
      return new StdKeyDeserializer.StringFactoryKeyDeserializer(m);
    }
    // nope, no such luck...
    return null;
  }
}

  public static KeyDeserializer findStringBasedKeyDeserializer(DeserializationConfig config, JavaType type)
  {
    /* We don't need full deserialization information, just need to
     * know creators.
     */
    BasicBeanDescription beanDesc = config.introspect(type);
    // Ok, so: can we find T(String) constructor?
    Constructor<?> ctor = beanDesc.findSingleArgConstructor(String.class);
    if (ctor != null) {
      if (config.isEnabled(DeserializationConfig.Feature.CAN_OVERRIDE_ACCESS_MODIFIERS)) {
        ClassUtil.checkAndFixAccess(ctor);
      }
      return new StdKeyDeserializer.StringCtorKeyDeserializer(ctor);
    }
    /* or if not, "static T valueOf(String)" (or equivalent marked
     * with @JsonCreator annotation?)
     */
    Method m = beanDesc.findFactoryMethod(String.class);
    if (m != null){
      if (config.isEnabled(DeserializationConfig.Feature.CAN_OVERRIDE_ACCESS_MODIFIERS)) {
        ClassUtil.checkAndFixAccess(m);
      }
      return new StdKeyDeserializer.StringFactoryKeyDeserializer(m);
    }
    // nope, no such luck...
    return null;
  }
}