XML Parsing- Oracle

Question

Hi friends,
Input XML document will be like . the is like checking if there is any Major line level <error> or Minor line level <message> error is there in the XML. If any header level error is present then need not check further. take the details inside <error> tag.
else need to check all the <minorLine> tag and check for <message> tag and get the details inside minonrLine Tag including the lineID.
Can someone help me to get this done. I have Highlighted both the scenarios in a single XML
<?xml version='1.0' encoding='UTF-8'?>
<ns2:DeriveCoverageResponse xmlns:ns3="urn:xyz:ccw:config:renewal:data"
xmlns:ns2="urn:xyz:ccw:config:msa:data" xmlns="urn:xyz:ccw:config:common:data">
<stats key="instance" value="[ys2bws-62468]" />
<stats key="timeStamp" value="Thu Apr 09 12:36:29 EDT 2015" />
<stats key="timetaken" value="1" />
<ns2:majorLine lineId="915494453">
<message>
<code>CS132</code>
<description>An error occurred during validation of the
configuration. Please contact xyz Customer Service.</description>
<severity>ERROR</severity>
<subCause>PARTIAL ITEMPATH FOUND IN THE REQUEST</subCause>
</message>
<status>INVALID</status>
<itemName>AIR-</itemName>
<quantity>5</quantity>
<serviceLine lineId="915494464">
<itemName>CON-S</itemName>
<quantity>5</quantity>
</serviceLine>
  <minorLine lineId="915494460">
<itemName>AIR-AP-BRACKET-1</itemName>
<quantity>5</quantity>
<itemPath>AIR-
OPT:AIR-AP-BRACKET-1</itemPath>
</minorLine>
<minorLine>
<itemName>AIR-AP-</itemName>
<quantity>5</quantity>
<itemPath>AIR02I
</itemPath>
</minorLine>
<minorLine lineId="915494462">
  <error>
<code>CS132</code>
<description>An error occurred during validation of the
configuration. Please contact xyz Customer Service.</description>
<severity>ERROR</severity>
<subCause>PARTIAL ITEMP</subCause>
</error>
<itemName>SWAP36009</itemName>
<quantity>5</quantity>
</minorLine>
</ns2:majorLine>
</ns2:DeriveCoverageResponse>

Answer 1

closing this question.