APIJSON/APIJSONORM/src/main/java/apijson/orm/Pair.java at master · ifooling/APIJSON · GitHub

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This source code is licensed under the Apache License Version 2.0.*/

package apijson.orm;

import java.util.Collection;

import java.util.HashMap;

import java.util.Map;

import com.alibaba.fastjson.JSONArray;

import com.alibaba.fastjson.JSONObject;

import apijson.StringUtil;

/**key:value

* @author Lemon

public class Pair extends Entry<String, String> {

private static final Map<String, Class<?>> CLASS_MAP;

static {

CLASS_MAP = new HashMap<String, Class<?>>();

CLASS_MAP.put(boolean.class.getSimpleName(), boolean.class);

CLASS_MAP.put(int.class.getSimpleName(), int.class);

CLASS_MAP.put(long.class.getSimpleName(), long.class);

CLASS_MAP.put(float.class.getSimpleName(), float.class);

CLASS_MAP.put(double.class.getSimpleName(), double.class);

CLASS_MAP.put(Boolean.class.getSimpleName(), Boolean.class);

CLASS_MAP.put(Integer.class.getSimpleName(), Integer.class);

CLASS_MAP.put(Long.class.getSimpleName(), Long.class);

CLASS_MAP.put(Float.class.getSimpleName(), Float.class);

CLASS_MAP.put(Double.class.getSimpleName(), Double.class);

CLASS_MAP.put(Object.class.getSimpleName(), Object.class);

CLASS_MAP.put(String.class.getSimpleName(), String.class);

CLASS_MAP.put(Collection.class.getSimpleName(), Collection.class);//不允许指定<T>

CLASS_MAP.put(Map.class.getSimpleName(), Map.class);//不允许指定<T>

CLASS_MAP.put(JSONObject.class.getSimpleName(), JSONObject.class);//必须有，Map中没有getLongValue等方法

CLASS_MAP.put(JSONArray.class.getSimpleName(), JSONArray.class);//必须有，Collection中没有getJSONObject等方法

}

public Pair() {

super();

}

public boolean isEmpty(boolean trim) {

return StringUtil.isNotEmpty(key, trim) == false && StringUtil.isNotEmpty(value, trim) == false;

}

/**

* @param <K>

* @param pair

* @return

public static <K, V> boolean isCorrect(Entry<K, V> pair) {

return pair != null && StringUtil.isNotEmpty(pair.getValue(), true);

}

/**

* @param pair

* @return

public String toPairString() {

return toPairString(getKey(), getValue());

}

/**

* @param pair

* @return

public static String toPairString(String typeKey, String valueKey) {

return (typeKey == null ? "" : typeKey + ":") + valueKey;

}

/**

* @param type

* @param value

* @return

public static String toPairString(Class<?> type, Object value) {

return toPairString(type == null ? null : type.getSimpleName(), StringUtil.getString(value));

}

/**

* isRightValueDefault = false;

* "key":null不应该出现？因为FastJSON内默认不存null

* @param pair leftKey:rightValue

* @return {@link #parseEntry(String, boolean)}

public static Entry<String, String> parseEntry(String pair) {

return parseEntry(pair, false);

}

/**

* isRightValueDefault = false;

* "key":null不应该出现？因为FastJSON内默认不存null

* @param pair leftKey:rightValue

* @param isRightValueDefault 右边值缺省，当pair不包含 : 时默认整个pair为leftKey；false-相反

* @return {@link #parseEntry(String, boolean, String)}

public static Entry<String, String> parseEntry(String pair, boolean isRightValueDefault) {

return parseEntry(pair, isRightValueDefault, null);

}

/**

* "key":null不应该出现？因为FastJSON内默认不存null

* @param pair leftKey:rightValue

* @param isRightValueDefault 右边值缺省，当pair不包含 : 时默认整个pair为leftKey；false-相反

* @param defaultValue 缺省值

* @return @NonNull

public static Entry<String, String> parseEntry(String pair, boolean isRightValueDefault, String defaultValue) {

pair = StringUtil.getString(pair);//让客户端去掉所有空格 getNoBlankString(pair);

Entry<String, String> entry = new Entry<String, String>();

if (pair.isEmpty() == false) {

int index = pair.indexOf(":");

if (index < 0) {

entry.setKey(isRightValueDefault ? pair : defaultValue);

entry.setValue(isRightValueDefault ? defaultValue : pair);

} else {

entry.setKey(pair.substring(0, index));

entry.setValue(pair.substring(index + 1, pair.length()));

}

return entry;

}

/**

* @param pair

* @return

public static Entry<String, String> parseVariableEntry(String pair) {

return parseEntry(pair, false, Object.class.getSimpleName());

}

/**

* @param pair

* @param valueMap

* @return

public static Entry<Class<?>, Object> parseVariableEntry(String pair, Map<String, Object> valueMap) {

pair = StringUtil.getString(pair);//让客户端去掉所有空格 getNoBlankString(pair);

Entry<Class<?>, Object> entry = new Entry<Class<?>, Object>();

if (pair.isEmpty() == false) {

int index = pair.contains(":") ? pair.indexOf(":") : -1;

entry.setKey(CLASS_MAP.get(index < 0 ? Object.class.getSimpleName() : pair.substring(0, index)));

entry.setValue(valueMap == null ? null : valueMap.get(pair.substring(index + 1, pair.length())));

}

return entry;

}

APIJSON/APIJSONORM/src/main/java/apijson/orm/Pair.java at master · ifooling/APIJSON · GitHub

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