com.fasterxml.jackson.core.JsonGenerator#Feature ( )源码实例Demo

private void configureFeature(ObjectMapper objectMapper, Object feature, boolean enabled) {
	if (feature instanceof JsonParser.Feature) {
		objectMapper.configure((JsonParser.Feature) feature, enabled);
	}
	else if (feature instanceof JsonGenerator.Feature) {
		objectMapper.configure((JsonGenerator.Feature) feature, enabled);
	}
	else if (feature instanceof SerializationFeature) {
		objectMapper.configure((SerializationFeature) feature, enabled);
	}
	else if (feature instanceof DeserializationFeature) {
		objectMapper.configure((DeserializationFeature) feature, enabled);
	}
	else if (feature instanceof MapperFeature) {
		objectMapper.configure((MapperFeature) feature, enabled);
	}
	else {
		throw new FatalBeanException("Unknown feature class: " + feature.getClass().getName());
	}
}
 

private void configureFeature(ObjectMapper objectMapper, Object feature, boolean enabled) {
	if (feature instanceof JsonParser.Feature) {
		objectMapper.configure((JsonParser.Feature) feature, enabled);
	}
	else if (feature instanceof JsonGenerator.Feature) {
		objectMapper.configure((JsonGenerator.Feature) feature, enabled);
	}
	else if (feature instanceof SerializationFeature) {
		objectMapper.configure((SerializationFeature) feature, enabled);
	}
	else if (feature instanceof DeserializationFeature) {
		objectMapper.configure((DeserializationFeature) feature, enabled);
	}
	else if (feature instanceof MapperFeature) {
		objectMapper.configure((MapperFeature) feature, enabled);
	}
	else {
		throw new FatalBeanException("Unknown feature class: " + feature.getClass().getName());
	}
}
 

private static void configure(ObjectMapper om, Object feature, boolean state) {
    if (feature instanceof SerializationFeature)
        om.configure((SerializationFeature) feature, state);
    else if (feature instanceof DeserializationFeature)
        om.configure((DeserializationFeature) feature, state);
    else if (feature instanceof JsonParser.Feature)
        om.configure((JsonParser.Feature) feature, state);
    else if (feature instanceof JsonGenerator.Feature)
        om.configure((JsonGenerator.Feature) feature, state);
    else if (feature instanceof MapperFeature)
        om.configure((MapperFeature) feature, state);
    else if (feature instanceof Include) {
        if (state) {
            om.setSerializationInclusion((Include) feature);
        }
    }
}
 

private void configureFeature(ObjectMapper objectMapper, Object feature, boolean enabled) {
	if (feature instanceof JsonParser.Feature) {
		objectMapper.configure((JsonParser.Feature) feature, enabled);
	}
	else if (feature instanceof JsonGenerator.Feature) {
		objectMapper.configure((JsonGenerator.Feature) feature, enabled);
	}
	else if (feature instanceof SerializationFeature) {
		objectMapper.configure((SerializationFeature) feature, enabled);
	}
	else if (feature instanceof DeserializationFeature) {
		objectMapper.configure((DeserializationFeature) feature, enabled);
	}
	else if (feature instanceof MapperFeature) {
		objectMapper.configure((MapperFeature) feature, enabled);
	}
	else {
		throw new FatalBeanException("Unknown feature class: " + feature.getClass().getName());
	}
}
 

private void configureFeature(ObjectMapper objectMapper, Object feature, boolean enabled) {
	if (feature instanceof JsonParser.Feature) {
		objectMapper.configure((JsonParser.Feature) feature, enabled);
	}
	else if (feature instanceof JsonGenerator.Feature) {
		objectMapper.configure((JsonGenerator.Feature) feature, enabled);
	}
	else if (feature instanceof SerializationFeature) {
		objectMapper.configure((SerializationFeature) feature, enabled);
	}
	else if (feature instanceof DeserializationFeature) {
		objectMapper.configure((DeserializationFeature) feature, enabled);
	}
	else if (feature instanceof MapperFeature) {
		objectMapper.configure((MapperFeature) feature, enabled);
	}
	else {
		throw new FatalBeanException("Unknown feature class: " + feature.getClass().getName());
	}
}
 

private static void configure(ObjectMapper om, Object feature, boolean state) {
    if (feature instanceof SerializationFeature)
        om.configure((SerializationFeature) feature, state);
    else if (feature instanceof DeserializationFeature)
        om.configure((DeserializationFeature) feature, state);
    else if (feature instanceof JsonParser.Feature)
        om.configure((JsonParser.Feature) feature, state);
    else if (feature instanceof JsonGenerator.Feature)
        om.configure((JsonGenerator.Feature) feature, state);
    else if (feature instanceof MapperFeature)
        om.configure((MapperFeature) feature, state);
    else if (feature instanceof Include) {
        if (state) {
            om.setSerializationInclusion((Include) feature);
        }
    }
}
 

/**
 * Enable generator feature
 */
public JacksonDsl enableGeneratorFeature(JsonGenerator.Feature feature) {
	this.properties.getGenerator().put(feature, true);
	return this;
}
 

/**
 * Disable generator feature
 */
public JacksonDsl disableGeneratorFeature(JsonGenerator.Feature feature) {
	properties.getGenerator().put(feature, false);
	return this;
}
 

@Override
public void configure(JsonGenerator.Feature f, boolean state) {
    generator.configure(f, state);
}
 

@Override
public boolean isEnabled(JsonGenerator.Feature f) {
    return generator.isEnabled(f);
}
 

/**
 * Decorator method to {@link ObjectMapper#disable(Feature...)}
 *
 * return StreamingObjectMapper for chaining.
 */
public StreamingObjectMapper disable(final JsonGenerator.Feature... feature) {
  objectMapper.disable(feature);
  return this;
}
 

void configure(JsonGenerator.Feature f, boolean state); 

boolean isEnabled(JsonGenerator.Feature f);