groovy : xpath evalution ; frequently used step
<?xml version="1.0"?>
<root>
<person id="1">
<name>John</name>
<age>30</age>
</person>
<person id="2">
<name>Jane</name>
<age>25</age>
</person>
</root>
import com.sap.gateway.ip.core.customdev.util.Message
import groovy.util.XmlSlurper
import java.util.HashMap;
import java.util.*;
def Message processData(Message message) {
try {
def body = message.getBody()
def xml = new XmlParser().parse(body);
// Check if the root node exists
if (xml instanceof groovy.util.Node) {
println("Root node: ${xml.name()}")
// Iterate through child nodes
xml.depthFirst().each { node ->
if (node instanceof groovy.util.Node) {
println("Node name: ${node.name()}")
if(node.name()=="age" && node.text()=="25") println("Node name age with value 25: ${node.name()}")
if(node.parent()=="person" && node.text()=="25") println("Node parent person with value 25: ${node.name()}") // Check for attributes
node.attributes().each { attr ->
println("Attribute '${attr.key}' exists with value: ${attr.value}")
}
// Check for elements
println("Element text: ${node.text()}")
}
}
} else {
println("Root node does not exist.")
}
} catch (Exception e) {
println("Error processing XML: ${e.message}")
}
return message
}
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checking parent node:
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gtp code
import groovy.util.XmlSlurper
// Sample XML data
def xmlData = '''
<root>
<person id="1">
<name>John</name>
<age>30</age>
</person>
<person id="2">
<name>Jane</name>
<age>25</age>
</person>
</root>
'''
// Parse the XML data using XmlSlurper
def xml = new XmlSlurper().parseText(xmlData)
// Define an XPath expression to access a specific value
def xpathExpression = "//person[@id='1']/age"
// Use the evaluate method to extract the value based on the XPath expression
def extractedValue = xml.'**'.find { node ->
node.name() == 'age' && node.parent().@id.text() == '1'
}.text()
// Define the expected value for validation
def expectedValue = '30'
// Perform the validation
if (extractedValue == expectedValue) {
println("Validation passed: Extracted value '$extractedValue' matches the expected value '$expectedValue'.")
} else {
println("Validation failed: Extracted value '$extractedValue' does not match the expected value '$expectedValue'.")
}