本文整理了Java中org.nutz.lang.Lang.collection2array()
方法的一些代码示例,展示了Lang.collection2array()
的具体用法。这些代码示例主要来源于Github
/Stackoverflow
/Maven
等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。Lang.collection2array()
方法的具体详情如下:
包路径:org.nutz.lang.Lang
类名称:Lang
方法名:collection2array
[英]将集合变成数组,数组的类型为集合的第一个元素的类型。如果集合为空,则返回 null
[中]
代码示例来源:origin: nutzam/nutz
public Object get(ServletContext sc, HttpServletRequest req, HttpServletResponse resp, Object refer) {
if (refer == null)
return null;
Object obj = ((Map<?, ?>) refer).get(name);
if (obj == null)
return null;
if (obj instanceof List) {
return Lang.collection2array((List<?>) ((List<?>) obj));
}
Object re = Array.newInstance(eleType, 1);
Array.set(re, 0, obj);
return re;
}
代码示例来源:origin: nutzam/nutz
@Override
public Object cast(Map src, Class<?> toType, String... args) throws FailToCastObjectException {
return Lang.collection2array(src.values(), toType.getComponentType());
}
代码示例来源:origin: nutzam/nutz
/**
* 将集合变成数组,数组的类型为集合的第一个元素的类型。如果集合为空,则返回 null
*
* @param coll
* 集合对象
* @return 数组
*/
@SuppressWarnings("unchecked")
public static <E> E[] collection2array(Collection<E> coll) {
if (null == coll)
return null;
if (coll.size() == 0)
return (E[]) new Object[0];
Class<E> eleType = (Class<E>) Lang.first(coll).getClass();
return collection2array(coll, eleType);
}
代码示例来源:origin: nutzam/nutz
/**
* sql参数处理,在这里处理Array Collection类型参数,方便SQL IN 表达式的设置
*
* @param params
* 参数map,无参数时,可为null
*
* @return 包含处理IN表达式的sql
*/
private Map<String, Object> paramProcess(Map<String, Object> params) {
if (params == null || params.size() == 0)
return null;
Map<String, Object> newParams = new HashMap<String, Object>(params);
for (Entry<String, Object> entry : params.entrySet()) {
String paramName = entry.getKey();
Object paramObj = entry.getValue();
if (paramObj.getClass().isArray()) {
inParamProcess(paramName, paramObj, newParams);
newParams.remove(paramName);
}
if (paramObj instanceof Collection) {
Collection<?> collection = (Collection<?>) paramObj;
Object[] paramVals = Lang.collection2array(collection);
inParamProcess(paramName, paramVals, newParams);
newParams.remove(paramName);
}
}
return newParams;
}
代码示例来源:origin: nutzam/nutz
/**
* 将Array Collection类型参数对应的sql占位符进行处理
*
* @param originSql
* 原包含变量占位符的SQL
* @param params
* 参数map,无参数时,可为null
*
* @return 包含处理IN表达式的sql
*/
private String sqlProcess(String originSql, Map<String, Object> params) {
if (params == null || params.size() == 0)
return originSql;
String newSql = originSql;
for (Entry<String, Object> entry : params.entrySet()) {
String paramName = entry.getKey();
Object paramObj = entry.getValue();
if (paramObj.getClass().isArray()) {
String inSqlExp = inSqlProcess(paramName, paramObj);
newSql = newSql.replaceAll("@" + paramName, inSqlExp);
}
if (paramObj instanceof Collection) {
Collection<?> collection = (Collection<?>) paramObj;
Object[] paramVals = Lang.collection2array(collection);
String inSqlExp = inSqlProcess(paramName, paramVals);
newSql = newSql.replaceAll("@" + paramName, inSqlExp);
}
}
return newSql;
}
代码示例来源:origin: nutzam/nutz
if (parent.meta.type.equals(this.method.getDeclaringClass().getName())) {
String key = ClassMetaReader.getKey(this.method);
this.paramNames = Lang.collection2array(parent.meta.paramNames.get(key), String.class);
this.lineNumber = parent.meta.methodLines.get(key);
代码示例来源:origin: nutzam/nutz
public void init(Method method) {
init(method, Lang.collection2array(MethodParamNamesScaner.getParamNames(method), String.class));
}
代码示例来源:origin: nutzam/nutz
return (T) Lang.collection2array(src.values(), toType.getComponentType());
vv = Lang.collection2array(c, ft.getComponentType());
代码示例来源:origin: org.nutz/nutz
@Override
public Object cast(Map src, Class<?> toType, String... args) throws FailToCastObjectException {
return Lang.collection2array(src.values(), toType.getComponentType());
}
代码示例来源:origin: org.nutz/nutz
public Object get(ServletContext sc, HttpServletRequest req, HttpServletResponse resp, Object refer) {
if (refer == null)
return null;
Object obj = ((Map<?, ?>) refer).get(name);
if (obj == null)
return null;
if (obj instanceof List) {
return Lang.collection2array((List<?>) ((List<?>) obj));
}
Object re = Array.newInstance(eleType, 1);
Array.set(re, 0, obj);
return re;
}
代码示例来源:origin: org.nutz/nutz
/**
* 将集合变成数组,数组的类型为集合的第一个元素的类型。如果集合为空,则返回 null
*
* @param coll
* 集合对象
* @return 数组
*/
@SuppressWarnings("unchecked")
public static <E> E[] collection2array(Collection<E> coll) {
if (null == coll)
return null;
if (coll.size() == 0)
return (E[]) new Object[0];
Class<E> eleType = (Class<E>) Lang.first(coll).getClass();
return collection2array(coll, eleType);
}
代码示例来源:origin: org.nutz/nutz
/**
* sql参数处理,在这里处理Array Collection类型参数,方便SQL IN 表达式的设置
*
* @param params
* 参数map,无参数时,可为null
*
* @return 包含处理IN表达式的sql
*/
private Map<String, Object> paramProcess(Map<String, Object> params) {
if (params == null || params.size() == 0)
return null;
Map<String, Object> newParams = new HashMap<String, Object>(params);
for (Entry<String, Object> entry : params.entrySet()) {
String paramName = entry.getKey();
Object paramObj = entry.getValue();
if (paramObj.getClass().isArray()) {
inParamProcess(paramName, paramObj, newParams);
newParams.remove(paramName);
}
if (paramObj instanceof Collection) {
Collection<?> collection = (Collection<?>) paramObj;
Object[] paramVals = Lang.collection2array(collection);
inParamProcess(paramName, paramVals, newParams);
newParams.remove(paramName);
}
}
return newParams;
}
代码示例来源:origin: org.nutz/nutz
public void init(Method method) {
init(method, Lang.collection2array(MethodParamNamesScaner.getParamNames(method), String.class));
}
代码示例来源:origin: org.nutz/nutz
/**
* 将Array Collection类型参数对应的sql占位符进行处理
*
* @param originSql
* 原包含变量占位符的SQL
* @param params
* 参数map,无参数时,可为null
*
* @return 包含处理IN表达式的sql
*/
private String sqlProcess(String originSql, Map<String, Object> params) {
if (params == null || params.size() == 0)
return originSql;
String newSql = originSql;
for (Entry<String, Object> entry : params.entrySet()) {
String paramName = entry.getKey();
Object paramObj = entry.getValue();
if (paramObj.getClass().isArray()) {
String inSqlExp = inSqlProcess(paramName, paramObj);
newSql = newSql.replaceAll("@" + paramName, inSqlExp);
}
if (paramObj instanceof Collection) {
Collection<?> collection = (Collection<?>) paramObj;
Object[] paramVals = Lang.collection2array(collection);
String inSqlExp = inSqlProcess(paramName, paramVals);
newSql = newSql.replaceAll("@" + paramName, inSqlExp);
}
}
return newSql;
}
代码示例来源:origin: org.nutz/nutz
if (parent.meta.type.equals(this.method.getDeclaringClass().getName())) {
String key = ClassMetaReader.getKey(this.method);
this.paramNames = Lang.collection2array(parent.meta.paramNames.get(key), String.class);
this.lineNumber = parent.meta.methodLines.get(key);
代码示例来源:origin: Rekoe/rk_svnadmin
public boolean mkdirs(String pj) {
ProjectConfig conf = projectConfigService.get();
List<String> dirs = conf.getDirs();
return mkdirs(pj, Lang.collection2array(dirs));
}
代码示例来源:origin: org.nutz/nutz
return (T) Lang.collection2array(src.values(), toType.getComponentType());
vv = Lang.collection2array(c, ft.getComponentType());
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