介绍
有一个算法，是将大量TOPO DN实例解析成结构形式，并根据DN获取相应的数据。本人感觉值得分享，并供大家讨论与优化。
注意：TOPO DN实例的顺序，是被我的其它算法预处理过的，所以会比较规整。
TOPO DN实例输入片断：
"SubNetwork=HW-345678,ManagedElement=XXXX-1500/CSCF-1505", "SubNetwork=HW-345678,ManagedElement=XXXX-1500/CSCF-1505,InventoryUnitRack=RACK-1", "SubNetwork=HW-345678,ManagedElement=XXXX-1500/CSCF-1505,InventoryUnitRack=RACK-1,InventoryUnitShelf=RACK-1/SHELF-3", "SubNetwork=HW-345678,ManagedElement=XXXX-1500/CSCF-1505,InventoryUnitRack=RACK-1,InventoryUnitShelf=RACK-1/SHELF-3,InventoryUnitPack=RACK-1/SHELF-3/UNIT-5", "SubNetwork=HW-345678,ManagedElement=XXXX-1011/CSCF-1011", "SubNetwork=HW-345678,ManagedElement=XXXX-1011/CSCF-1011,IcscfFunction=CSCF-1011", "SubNetwork=HW-345678,ManagedElement=XXXX-1011/CSCF-1011,IcscfFunction=CSCF-1011,EpRpDynDnsIcscf=DNSPH-1", "SubNetwork=HW-345678,ManagedElement=XXXX-1011/CSCF-1011,IcscfFunction=CSCF-1011,EpRpDynCxIcscf=DIA-1", "SubNetwork=HW-345678,ManagedElement=XXXX-1011/CSCF-1011,IcscfFunction=CSCF-1011,EpRpDynDxIcscf=EPRPDX-1006", "SubNetwork=HW-345678,ManagedElement=XXXX-1011/CSCF-1011,ScscfFunction=CSCF-1011", "SubNetwork=HW-345678,ManagedElement=XXXX-1011/CSCF-1011,ScscfFunction=CSCF-1011,EpRpDynCxScscf=DIA-1"
TOPO DN实例预期输出片断：
<ManagedElement id="XXXX-1500/CSCF-1505"> <InventoryUnitRack id="RACK-1"> <!-- 在完整的代码中，这些地方会根据DN写入数据 --> <InventoryUnitShelf id="RACK-1/SHELF-3"> <InventoryUnitPack id="RACK-1/SHELF-3/UNIT-5"> <!-- 在完整的代码中，这些地方会根据DN写入数据 --> </InventoryUnitPack> </InventoryUnitShelf> </InventoryUnitRack> </ManagedElement> <ManagedElement id="XXXX-1011/CSCF-1011"> <IcscfFunction id="CSCF-1011"> <EpRpDynDnsIcscf id="DNSPH-1"> ...... </EpRpDynDnsIcscf> <EpRpDynCxIcscf id="DIA-1"> ...... </EpRpDynCxIcscf> <EpRpDynDxIcscf id="EPRPDX-1006"> ...... </EpRpDynDxIcscf> </IcscfFunction> <ScscfFunction id="CSCF-1011"> <EpRpDynCxScscf id="DIA-1"> ...... </EpRpDynCxScscf> </ScscfFunction> </ManagedElement>
package shuai.study.dnProcess;
import org.apache.commons.lang3.StringUtils;
/**
* @author shengshu
*
*/
public class DnProcess {
public static void process(String[] dnPathArray) {
int dnPathLength = dnPathArray.length;
for (int i = 0; i < dnPathLength; i++) {
String currentDnPath = dnPathArray[i];
String[] currentDnPathArray = StringUtils.split(currentDnPath, ",");
int currentDnPathLength = currentDnPathArray.length;
System.out.println("<" + StringUtils.substringBefore(currentDnPathArray[currentDnPathLength - 1], "=") + " id=\""
+ StringUtils.substringAfter(currentDnPathArray[currentDnPathLength - 1], "=") + "\">");
if (i == dnPathLength - 1) {
for (int k = currentDnPathLength - 1; k > 0; k--) {
System.out.println("</" + StringUtils.substringBefore(currentDnPathArray[k], "=") + ">");
}
} else {
String nextDnPath = dnPathArray[i + 1];
String[] nextDnPathArray = StringUtils.split(nextDnPath, ",");
int nextDnPathLength = nextDnPathArray.length;
if (currentDnPathLength == nextDnPathLength) {
System.out.println("</" + StringUtils.substringBefore(currentDnPathArray[currentDnPathLength - 1], "=") + ">");
}
if (currentDnPathLength > nextDnPathLength) {
for (int j = currentDnPathLength - 1; j >= nextDnPathLength - 1; j--) {
System.out.println("</" + StringUtils.substringBefore(currentDnPathArray[j], "=") + ">");
}
}
}
}
}
public static void main(String[] args) {
String[] dnPathArray = new String[] { "SubNetwork=HW-345678,ManagedElement=XXXX-1500/CSCF-1505",
"SubNetwork=HW-345678,ManagedElement=XXXX-1500/CSCF-1505,InventoryUnitRack=RACK-1",
"SubNetwork=HW-345678,ManagedElement=XXXX-1500/CSCF-1505,InventoryUnitRack=RACK-1,InventoryUnitShelf=RACK-1/SHELF-3",
"SubNetwork=HW-345678,ManagedElement=XXXX-1500/CSCF-1505,InventoryUnitRack=RACK-1,InventoryUnitShelf=RACK-1/SHELF-3,InventoryUnitPack=RACK-1/SHELF-3/UNIT-5",
"SubNetwork=HW-345678,ManagedElement=XXXX-1011/CSCF-1011", "SubNetwork=HW-345678,ManagedElement=XXXX-1011/CSCF-1011,IcscfFunction=CSCF-1011",
"SubNetwork=HW-345678,ManagedElement=XXXX-1011/CSCF-1011,IcscfFunction=CSCF-1011,EpRpDynDnsIcscf=DNSPH-1",
"SubNetwork=HW-345678,ManagedElement=XXXX-1011/CSCF-1011,IcscfFunction=CSCF-1011,EpRpDynCxIcscf=DIA-1",
"SubNetwork=HW-345678,ManagedElement=XXXX-1011/CSCF-1011,IcscfFunction=CSCF-1011,EpRpDynDxIcscf=EPRPDX-1006",
"SubNetwork=HW-345678,ManagedElement=XXXX-1011/CSCF-1011,ScscfFunction=CSCF-1011",
"SubNetwork=HW-345678,ManagedElement=XXXX-1011/CSCF-1011,ScscfFunction=CSCF-1011,EpRpDynCxScscf=DIA-1" };
DnProcess.process(dnPathArray);
}
}
原文地址：http://blog.csdn.net/three_man/article/details/36935199
