[GNUnet-SVN] [taler-libeufin] 08/25: Drafting XSD import from disk, and XML validation.

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marcello pushed a commit to branch master
in repository libeufin.

commit d28fa7e89b7ac1e3c2dc7652ced1da1c44cf003f
Author: Marcello Stanisci <address@hidden>
AuthorDate: Sun Sep 15 18:24:49 2019 +0200

    Drafting XSD import from disk, and XML validation.
---
 src/main/java/XMLManagement.java               | 11 ------
 src/main/java/tech/libeufin/XMLManagement.java | 52 ++++++++++++++++++++++++++
 2 files changed, 52 insertions(+), 11 deletions(-)

diff --git a/src/main/java/XMLManagement.java b/src/main/java/XMLManagement.java
deleted file mode 100644
index c80cb26..0000000
--- a/src/main/java/XMLManagement.java
+++ /dev/null
@@ -1,11 +0,0 @@
-
-/**
- * This class takes care of importing XSDs and validate
- * XMLs against those.
- */
-
-public class XMLManagement {
-    public void printtheline(){
-        System.out.println("Hello Java World.");
-    }
-};
\ No newline at end of file
diff --git a/src/main/java/tech/libeufin/XMLManagement.java 
b/src/main/java/tech/libeufin/XMLManagement.java
new file mode 100644
index 0000000..0c21cc9
--- /dev/null
+++ b/src/main/java/tech/libeufin/XMLManagement.java
@@ -0,0 +1,52 @@
+package tech.libeufin;
+
+import org.xml.sax.SAXException;
+import java.io.IOException;
+import javax.xml.XMLConstants;
+import javax.xml.transform.stream.StreamSource;
+import javax.xml.transform.Source;
+import javax.xml.validation.*; // has SchemaFactory
+import java.io.File;
+
+/**
+ * This class takes care of importing XSDs and validate
+ * XMLs against those.
+ */
+
+public class XMLManagement {
+
+    /**
+     * Bundle of all the XSDs loaded in memory.
+     */
+    Schema bundle;
+    Validator validator;
+
+    /**
+     * Load all the XSDs from disk.
+     */
+    public XMLManagement(){
+
+        Source ebics_hev_file = new StreamSource(new 
File("resources/ebics_hev.xsd"));
+        Source xsds[] = {ebics_hev_file};
+        SchemaFactory sf = new 
SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_INSTANCE_NS_URI);
+
+        try{
+            this.bundle = sf.newSchema(xsds);
+            this.validator = this.bundle.newValidator();
+        } catch (IOException e){
+            System.out.println("Could not import all XSDs from disk" + "(" + e 
+ ")");
+        }
+    }
+
+    public boolean validate(Source xmlDoc){
+        try{
+            this.validator.validate(xmlDoc);
+        } catch (SAXException e) {
+            return false;
+        } catch (IOException e) {
+            System.out.println("Could not pass XML to validator.");
+            return false;
+        }
+
+    }
+};
\ No newline at end of file

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