Java SegmentedStringWriter类代码示例

import com.fasterxml.jackson.core.io.SegmentedStringWriter; //导入依赖的package包/类
public String writeValueAsString(Object paramObject)
{
  SegmentedStringWriter localSegmentedStringWriter = new SegmentedStringWriter(this._jsonFactory._getBufferRecycler());
  try
  {
    _configAndWriteValue(this._jsonFactory.createGenerator(localSegmentedStringWriter), paramObject);
  }
  catch (JsonProcessingException localJsonProcessingException)
  {
    throw localJsonProcessingException;
  }
  catch (IOException localIOException)
  {
    throw JsonMappingException.fromUnexpectedIOE(localIOException);
  }
  return localSegmentedStringWriter.getAndClear();
}
 

import com.fasterxml.jackson.core.io.SegmentedStringWriter; //导入依赖的package包/类
public void testSimple() throws Exception
{
    BufferRecycler br = new BufferRecycler();
    SegmentedStringWriter w = new SegmentedStringWriter(br);

    StringBuilder exp = new StringBuilder();

    for (int i = 0; exp.length() < 100; ++i) {
        String nr = String.valueOf(i);
        exp.append(' ').append(nr);
        w.append(' ');
        switch (i % 4) {
        case 0:
            w.append(nr);
            break;
        case 1:
            {
                String str = "  "+nr;
                w.append(str, 2, str.length());
            }
            break;
        case 2:
            w.write(nr.toCharArray());
            break;
        default:
            {
                char[] ch = (" "+nr+" ").toCharArray();
                w.write(ch, 1, nr.length());
            }
            break;
        }
    }
    // flush, close are nops but trigger just for fun
    w.flush();
    w.close();

    String act = w.getAndClear();
    assertEquals(exp.toString(), act);
}
 

import com.fasterxml.jackson.core.io.SegmentedStringWriter; //导入依赖的package包/类
/**
 * Converts a {@link Message} into a JSON {@link String}.
 *
 * @throws InvalidProtocolBufferException if there are unknown Any types in the message.
 */
public <T extends Message> String writeValueAsString(T message) throws IOException {
  checkNotNull(message, "message");
  SegmentedStringWriter sw = new SegmentedStringWriter(jsonFactory._getBufferRecycler());
  JsonGenerator gen = jsonFactory.createGenerator(sw);
  writeValue(message, gen);
  return sw.getAndClear();
}
 

import com.fasterxml.jackson.core.io.SegmentedStringWriter; //导入依赖的package包/类
protected JSONComposer(int features, JsonGenerator gen, SegmentedStringWriter w)
{
    super(gen);
    _features = features;
    _stringWriter = w;
    _byteWriter = null;
    _closeGenerator = true;
}
 

import com.fasterxml.jackson.core.io.SegmentedStringWriter; //导入依赖的package包/类
/**
   * 回写List对象到行编辑模式的表格
   * @param namespace
   * @param lvo
   * @param ignoreName
   * @param om
   * @return
   * @throws JsonProcessingException
   */
  public static String writeBackListToRowTable(String namespace, List lvo, final String[] ignoreName, ObjectMapper objectMapper) {
  	if(lvo == null || lvo.size() == 0) {
  		return "";
  	}
  	StringBuilder result = new StringBuilder();
  	result.append("jQuery(function(){\n");
  	result.append("writeBackListToRowTable(");
  	result.append("'");
  	result.append(namespace);
  	result.append("'");
  	result.append(", ");
  	try {
      	if(objectMapper == null) {
      		objectMapper = RmObjectMapper.getInstance();
      	}
      	
  		// 排除
      	if(ignoreName != null) {
      		SimpleFilterProvider fileter = new SimpleFilterProvider();
      		fileter.addFilter("executeFilter", SimpleBeanPropertyFilter.serializeAllExcept(ignoreName));
      		objectMapper.setFilters(fileter);
      	}

  		// 设置日期格式化
  		objectMapper.setDateFormat(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"));

          SegmentedStringWriter sw = new SegmentedStringWriter(objectMapper.getFactory()._getBufferRecycler());
  		JsonGenerator generator = objectMapper.getFactory().createGenerator(sw);
  		RmBeanSerializerFactory rmBeanFactory = RmBeanSerializerFactory.instance;
  		if(ignoreName != null) {
  			rmBeanFactory.setFilterId("executeFilter");
  		}
  		objectMapper.setSerializerFactory(rmBeanFactory);

  		objectMapper.writeValue(generator, lvo);

	result.append( sw.getAndClear());
} catch (Exception e) {
	throw new RuntimeException(e);
}
  	result.append(");");
  	result.append("\n});");
  	return result.toString();
  }
 

import com.fasterxml.jackson.core.io.SegmentedStringWriter; //导入依赖的package包/类
public static String writeBackListToRowTable(String namespace, List lvo, final String[] ignoreName, ObjectMapper objectMapper) {
    	if(lvo == null || lvo.size() == 0) {
    		return "";
    	}
    	//TODO ignoreName
    	if(objectMapper == null) {
    		objectMapper = RmObjectMapper.getInstance();
    	}
    	JsonEncoding encoding = JsonEncoding.UTF8;
    	objectMapper.setDateFormat(new SimpleDateFormat("yyyy-MM-dd"));
    	
    	StringBuilder result = new StringBuilder();
    	result.append("jQuery(function(){\n");
    	result.append("writeBackListToRowTable(");
    	result.append("'");
    	result.append(namespace);
    	result.append("'");
    	result.append(", \n");
    	try {
    		// 排除
    		SimpleFilterProvider fileter = new SimpleFilterProvider();
    		fileter.addFilter("executeFilter", SimpleBeanPropertyFilter.serializeAllExcept(ignoreName));
    		objectMapper.setFilters(fileter);

//    		// 仅包含
//    		SimpleFilterProvider fileter2 = new SimpleFilterProvider();
//    		fileter2.addFilter("includeFilter", SimpleBeanPropertyFilter.filterOutAllExcept(new String[] { "id", "quality" }));
//    		objectMapper.setFilters(fileter2);

    		// 设置日期格式化
    		objectMapper.setDateFormat(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"));

            SegmentedStringWriter sw = new SegmentedStringWriter(objectMapper.getFactory()._getBufferRecycler());
    		JsonGenerator generator = objectMapper.getFactory().createJsonGenerator(sw);
    		RmBeanSerializerFactory bidBeanFactory = RmBeanSerializerFactory.instance;
    		bidBeanFactory.setFilterId("executeFilter"); // 如果是仅包含这里填写 includeFilter
    		objectMapper.setSerializerFactory(bidBeanFactory);

    		objectMapper.writeValue(generator, lvo);

			result.append( sw.getAndClear());
		} catch (Exception e) {
			throw new RuntimeException(e);
		}
    	result.append("\n);");
    	result.append("\n});");
    	return result.toString();
    }
 

import com.fasterxml.jackson.core.io.SegmentedStringWriter; //导入依赖的package包/类
public static JSONComposer<String> stringComposer(int features,
        JsonGenerator gen, SegmentedStringWriter w) {
    return new JSONComposer<String>(features, gen, w);
}
 

import com.fasterxml.jackson.core.io.SegmentedStringWriter; //导入依赖的package包/类
public JSONComposer<String> composeString() throws IOException, JSONObjectException {
    SegmentedStringWriter out = new SegmentedStringWriter(_streamFactory._getBufferRecycler());
    JsonGenerator gen = _config(_streamFactory.createGenerator(this, out));
    return JSONComposer.stringComposer(_features, gen, out);
}