diff options
Diffstat (limited to 'src/main/java/org/openslx/libvirt/domain/Domain.java')
| -rw-r--r-- | src/main/java/org/openslx/libvirt/domain/Domain.java | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/src/main/java/org/openslx/libvirt/domain/Domain.java b/src/main/java/org/openslx/libvirt/domain/Domain.java index 6563079..61d3bcc 100644 --- a/src/main/java/org/openslx/libvirt/domain/Domain.java +++ b/src/main/java/org/openslx/libvirt/domain/Domain.java @@ -9,6 +9,9 @@ import java.util.function.Predicate; import java.util.stream.Collectors; import javax.xml.XMLConstants; +import javax.xml.xpath.XPathConstants; +import javax.xml.xpath.XPathExpression; +import javax.xml.xpath.XPathExpressionException; import org.openslx.libvirt.domain.device.Controller; import org.openslx.libvirt.domain.device.ControllerFloppy; @@ -49,8 +52,6 @@ import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.Node; import org.w3c.dom.NodeList; -import org.w3c.dom.ls.DOMImplementationLS; -import org.w3c.dom.ls.LSSerializer; import org.xml.sax.InputSource; /** @@ -86,6 +87,7 @@ public class Domain extends LibvirtXmlDocument throws LibvirtXmlDocumentException, LibvirtXmlSerializationException, LibvirtXmlValidationException { super( xml, LibvirtXmlResources.getLibvirtRng( "domain.rng" ) ); + this.assertDomainType(); } /** @@ -101,6 +103,7 @@ public class Domain extends LibvirtXmlDocument throws LibvirtXmlDocumentException, LibvirtXmlSerializationException, LibvirtXmlValidationException { super( xml, LibvirtXmlResources.getLibvirtRng( "domain.rng" ) ); + this.assertDomainType(); } /** @@ -117,6 +120,7 @@ public class Domain extends LibvirtXmlDocument throws LibvirtXmlDocumentException, LibvirtXmlSerializationException, LibvirtXmlValidationException { super( xml, LibvirtXmlResources.getLibvirtRng( "domain.rng" ) ); + this.assertDomainType(); } /** @@ -133,6 +137,26 @@ public class Domain extends LibvirtXmlDocument throws LibvirtXmlDocumentException, LibvirtXmlSerializationException, LibvirtXmlValidationException { super( xml, LibvirtXmlResources.getLibvirtRng( "domain.rng" ) ); + this.assertDomainType(); + } + + /** + * Quick sanity check whether this could be a libvirt domain file at all. + * We just check if the root node is called domain and has the attribute type. + * + * @throws LibvirtXmlValidationException If this is not met. + */ + private void assertDomainType() throws LibvirtXmlValidationException + { + try { + XPathExpression expr = XmlHelper.compileXPath( "/domain[@type]" ); + Object nodesObject = expr.evaluate( this.getRootXmlNode().getXmlDocument(), XPathConstants.NODESET ); + NodeList nodes = (NodeList)nodesObject; + if ( nodes.getLength() == 0 ) + throw new LibvirtXmlValidationException( "Root element isn't <domain type=...>" ); + } catch ( XPathExpressionException e ) { + e.printStackTrace(); + } } /** |