LayoutColumnUtil.java
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package com.brframework.commoncms.utils;
import com.brframework.common.utils.PackageUtil;
import com.brframework.commoncms.core.layout.PanelLayoutColumn;
import com.brframework.commoncms.core.layout.column.LayoutTextColumn;
import com.google.common.collect.Lists;
import java.lang.reflect.Field;
import java.util.List;
/**
* 列工具
* @author xu
* @date 2018/10/9 17:09
*/
public class LayoutColumnUtil {
/**
* 列所在包名
*/
public static final String GROUP_COLUMN_PACKAGE = "com.ns.cms.core.layout.column";
private static final List<PanelLayoutColumn> layoutColumns;
static {
layoutColumns = Lists.newArrayList();
List<Class<?>> layoutColumnClassList = PackageUtil.getClass(GROUP_COLUMN_PACKAGE, true);
for (Class<?> lcc : layoutColumnClassList) {
try {
if(PanelLayoutColumn.class.isAssignableFrom(lcc)){
layoutColumns.add((PanelLayoutColumn) lcc.newInstance());
}
} catch (InstantiationException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
}
}
}
/**
* 获取默认支持的列
* @param field
* @return
*/
public static PanelLayoutColumn defaultColumn(Field field){
for (PanelLayoutColumn layoutColumn : layoutColumns) {
if(layoutColumn.isSupportType(field.getType())){
try {
return layoutColumn.getClass().newInstance();
} catch (InstantiationException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
}
}
}
return new LayoutTextColumn();
}
}