[libeufin] branch master updated (f3ad293 -> ed63109)

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marcello pushed a change to branch master
in repository libeufin.

    from f3ad293  cli requests c53 transactions collection
     new 6f1d7f3  Simple XPath test case.
     new ed63109  Solve XPath problem with namespaces.

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Summary of changes:
 nexus/src/test/kotlin/XPathTest.kt | 44 ++++++++++++++++++++++++++++++++++++++
 util/src/main/kotlin/XMLUtil.kt    |  4 ++--
 2 files changed, 46 insertions(+), 2 deletions(-)
 create mode 100644 nexus/src/test/kotlin/XPathTest.kt

diff --git a/nexus/src/test/kotlin/XPathTest.kt 
b/nexus/src/test/kotlin/XPathTest.kt
new file mode 100644
index 0000000..2e796fa
--- /dev/null
+++ b/nexus/src/test/kotlin/XPathTest.kt
@@ -0,0 +1,44 @@
+package tech.libeufin.nexus
+
+import org.junit.Test
+import org.w3c.dom.Document
+import org.w3c.dom.Node
+import tech.libeufin.util.XMLUtil
+
+
+class XPathTest {
+
+    @Test
+    fun pickDataFromSimpleXml() {
+        val xml = """
+            <root xmlns="foo">
+              <node>lorem ipsum</node>
+            </root>""".trimIndent()
+        val doc: Document = XMLUtil.parseStringIntoDom(xml)
+        val node = XMLUtil.evalXpath(doc, "/*[local-name()='root']")
+        assert(node != null)
+    }
+}
+
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diff --git a/util/src/main/kotlin/XMLUtil.kt b/util/src/main/kotlin/XMLUtil.kt
index d7e1563..7ce6a3b 100644
--- a/util/src/main/kotlin/XMLUtil.kt
+++ b/util/src/main/kotlin/XMLUtil.kt
@@ -409,9 +409,9 @@ class XMLUtil private constructor() {
             return valResult
         }
 
-        fun getStringViaXpath(doc: Document, query: String): String {
+        fun evalXpath(doc: Document, query: String): Node? {
             val xpath = XPathFactory.newInstance().newXPath()
-            return xpath.compile(query).evaluate(doc, 
XPathConstants.STRING).toString()
+            return xpath.evaluate(query, doc, XPathConstants.NODE) as Node
         }
     }
 }

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