simpletreeservice.java

管理公司合同

/*
 * Created on 2006-9-11 13:06:42
 *
 * By SinoBest
 * Copyright hnisi.com.cn, 2005-2006, All rights reserved.
 */

package cn.com.juneng.system.common.taglib.tree;

import java.util.List;

import cn.com.juneng.system.common.COMMON;
import cn.com.juneng.system.common.exception.SystemBaseException;
import cn.com.juneng.system.common.exception.SystemRuleException;

/**
 * @author yehailong
 * 
 */

public class SimpleTreeService {
	/**
	 * 获取所有的父节点名，以"/"分隔
	 * 
	 * @param nodeid
	 * @param treeType
	 * @return
	 * @throws Exception
	 */
	public static String getParentName(String nodeid, String treeType)
			throws SystemBaseException {
		StringBuffer parentName = new StringBuffer();
		try {
			ITreeService treeService = TreeUtil.getTreeService(treeType);
			getParentName(treeService, nodeid, parentName);
		} catch (Exception e) {
			throw new SystemRuleException(e);
		}
		return parentName.toString();
	}

	private static void getParentName(ITreeService treeService, String nodeid,
			StringBuffer name) throws Exception {
		ITreeNode node = treeService.findByNodeId(nodeid);
		if (node != null
				&& (node.getNodeId().equals("0") || !node.getNodeId()
						.startsWith("0"))) {
			if (name.length() != 0) {
				name.insert(0, "/");
			}
			name.insert(0, node.getNodeName());
			if (!"0".equals(node.getParentId())) {
				getParentName(treeService, node.getParentId(), name);
			}
		}
	}

	/**
	 * 获取子节点ID（一层）,逗号分隔
	 * 
	 * @param orgId
	 * @return
	 * @throws Exception
	 */
	public static String getSubNodeId(String nodeId, String treeType)
			throws Exception {
		ITreeService treeService = TreeUtil.getTreeService(treeType);
		List list = treeService.findSubNode(nodeId);
		if (COMMON.isEmpty(list)) {
			return null;
		} else {
			return COMMON.getPropValueFromList(list, "nodeId", "");
		}
	}

	/**
	 * 递归出所有子节点ID
	 * 
	 * @param orgId
	 * @param subOrgId
	 * @throws ProcessingException
	 */
	private static void getAllSubNode(String nodeId, String treeType,
			StringBuffer subNodeId) throws Exception {
		String temp = getSubNodeId(nodeId, treeType);
		if (temp != null) {
			String[] nodeIdArr = temp.split(",");
			for (int i = 0; i < nodeIdArr.length; i++) {
				if (subNodeId == null) {
					subNodeId = new StringBuffer("");
				}
				if (subNodeId.length() != 0) {
					subNodeId.append(",");
				}
				subNodeId.append(nodeIdArr[i]);
				getAllSubNode(nodeIdArr[i], treeType, subNodeId);
			}
		}
	}

	/**
	 * 获取某树节点的所有子节点ID，以逗号分隔
	 * <p>
	 * 注：返回的子节点不包含自身
	 * 
	 * @param orgId
	 * @param treeType
	 *            TreeUtil定义
	 * @return
	 * @throws ProcessingException
	 */
	public static String getAllSubNode(String nodeId, String treeType)
			throws Exception {
		StringBuffer subNodeId = new StringBuffer("");
		getAllSubNode(nodeId, treeType, subNodeId);
		return subNodeId.toString();
	}

	/**
	 * 获取树某个节点的所有子节点ID，以逗号分隔，并且nodeId以''包围，便于SQL查询
	 * <p>
	 * 注：该方法返回的子节点包含自身
	 * 
	 * @param nodeId
	 *            节点ID
	 * @param treeType
	 *            TreeUtil定义
	 * @return
	 * @throws ProcessingException
	 */
	public static String getAllSubNodeSql(String nodeId, String treeType)
			throws Exception {
		String subNodeId = getAllSubNode(nodeId, treeType);
		StringBuffer sb = new StringBuffer("'" + nodeId + "'");
		if (subNodeId != null) {
			String[] subNodeArr = subNodeId.split(",");
			for (int i = 0; i < subNodeArr.length; i++) {
				sb.append(",'" + subNodeArr[i] + "'");
			}
		}
		return sb.toString();
	}
}