FEAT: ODF_10 Sub Document detection

odf-core/src/main/java/org/openpreservation/odf/pkg/FileEntry.java

@@ -39,7 +39,7 @@ public interface FileEntry {
 
     /**
      * Is the file entry encrypted?
-     * 
+     *
      * @return true if the file entry is encrypted, otherwise false.
      */
     public boolean isEncrypted();

odf-core/src/main/java/org/openpreservation/odf/validation/rules/EncryptionRule.java

@@ -25,6 +25,9 @@ public MessageLog check(OdfXmlDocument document) {
     public MessageLog check(OdfPackage odfPackage) throws IOException {
         Objects.requireNonNull(odfPackage, "odfPackage must not be null");
         MessageLog messageLog = Messages.messageLogInstance();
+        if (!odfPackage.hasManifest()) {
+            return messageLog;
+        }
         for (FileEntry entry : odfPackage.getManifest().getEntries()) {
             if (entry.isEncrypted()) {
                 messageLog.add(Messages.getMessageInstance(this.id, Message.Severity.ERROR, this.getName(),

odf-core/src/main/java/org/openpreservation/odf/validation/rules/Rules.java

@@ -29,4 +29,8 @@ public static final Rule odf4() {
     public static final Rule odf9() {
         return DigitalSignaturesRule.getInstance();
     }
+
+    public static final Rule odf10() {
+        return SubDocumentRule.getInstance();
+    }
 }

odf-core/src/main/java/org/openpreservation/odf/validation/rules/SubDocumentRule.java

@@ -0,0 +1,38 @@
+package org.openpreservation.odf.validation.rules;
+
+import java.io.IOException;
+import java.util.Objects;
+
+import org.openpreservation.messages.Message;
+import org.openpreservation.messages.MessageLog;
+import org.openpreservation.messages.Messages;
+import org.openpreservation.odf.pkg.OdfPackage;
+import org.openpreservation.odf.xml.OdfXmlDocument;
+
+final class SubDocumentRule extends AbstractRule {
+
+    private SubDocumentRule(String id, String name, String description) {
+        super(id, name, description);
+    }
+
+    @Override
+    public MessageLog check(OdfXmlDocument document) {
+        throw new UnsupportedOperationException("Unimplemented method 'check'");
+    }
+
+    @Override
+    public MessageLog check(OdfPackage odfPackage) throws IOException {
+        Objects.requireNonNull(odfPackage, "odfPackage must not be null");
+        MessageLog messageLog = Messages.messageLogInstance();
+        if (odfPackage.hasManifest() && odfPackage.getManifest().getDocumentEntries().size() > 1) {
+            messageLog.add(Messages.getMessageInstance(this.id, Message.Severity.ERROR, this.getName(),
+                    this.getDescription()));
+        }
+        return messageLog;
+    }
+
+    static final SubDocumentRule getInstance() {
+        return new SubDocumentRule("ODF_10", "Sub Documents",
+                "The package MUST NOT contain sub documents.");
+    }
+}

odf-core/src/main/resources/org/openpreservation/odf/messages/Messages.properties

@@ -33,4 +33,3 @@ XML-1 = SaxException: %s
 XML-2 = Root element of XML file %s, must be %s but found value %s.
 XML-3 = Not a well formed XML document. XML parsing exception at line %d and column %d: %s.
 XML-4 = Not a valid XML document. Validation exception at line %d and column %d: %s.
-