Java tutorial
/* * Copyright 2015 Open Networking Laboratory * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.onosproject.provider.netconf.flow.impl; import static org.slf4j.LoggerFactory.getLogger; import org.jdom2.Document; import org.jdom2.Element; import org.jdom2.Namespace; import org.jdom2.output.Format; import org.jdom2.output.XMLOutputter; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.acl.rev140520.AccessList; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.acl.rev140520.access.list.access.list.entries.matches.AceType; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.acl.rev140520.access.list.access.list.entries.matches.ace.type.AceEth; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.acl.rev140520.access.list.access.list.entries.matches.ace.type.AceIp; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.acl.rev140520.access.list.access.list.entries.matches.ace.type.ace.ip.AceIpVersion; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.acl.rev140520.access.list.access.list.entries.matches.ace.type.ace.ip.ace.ip.version.AceIpv4; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.acl.rev140520.access.list.access.list.entries.matches.ace.type.ace.ip.ace.ip.version.AceIpv6; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.PortNumber; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.packet.fields.rev140625.acl.transport.header.fields.DestinationPortRange; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.packet.fields.rev140625.acl.transport.header.fields.SourcePortRange; import org.slf4j.Logger; /** * Xml Builder to generate the xml according to given ACL model. */ public class XmlBuilder { private final Logger log = getLogger(XmlBuilder.class); public String buildAclRequestXml(AccessList accessList) { Document doc = new Document(); Namespace namespaceRpc = Namespace.getNamespace("urn:ietf:params:xml:ns:netconf:base:1.0"); Namespace accessNamespaceRpc = Namespace.getNamespace("urn:ietf:params:xml:ns:yang:ietf-acl"); doc.setRootElement(new Element("rpc", namespaceRpc).setAttribute("message-id", "101")); /** * Access list elements of given ACL model. */ Element access = new Element("access-list", accessNamespaceRpc); access.addContent(new Element("acl-name", accessNamespaceRpc).setText(accessList.getAclName())); // access.addContent(accessEntries); if (!accessList.getAccessListEntries().isEmpty() && accessList.getAccessListEntries() != null) { for (int accessEntryIntVlu = 0; accessEntryIntVlu < accessList.getAccessListEntries() .size(); accessEntryIntVlu++) { access.addContent(getAccessEntries(accessEntryIntVlu, accessList, accessNamespaceRpc)); } } /** * edit-config operation for given ACL model. */ Element editConfig = new Element("edit-config", namespaceRpc); editConfig.addContent(new Element("target", namespaceRpc).addContent(new Element("running", namespaceRpc))); editConfig .addContent(new Element("config", Namespace.getNamespace("urn:ietf:params:xml:ns:netconf:base:1.0")) .addContent(access)); doc.getRootElement().addContent(editConfig); XMLOutputter xmlOutputter = new XMLOutputter(Format.getPrettyFormat()); String outputString = xmlOutputter.outputString(doc); return outputString; } /** * access entries operation for given ACL model. */ private Element getAccessEntries(int accessEntryIntVlu, AccessList accessList, Namespace accessNamespaceRpc) { /** * Port Number */ int srcPortRangeLower = 0; int srcPortRangeUpper = 0; int destPortRangeLower = 0; int destPortRangeUpper = 0; String sourceIpAdd = ""; String destinationIpAdd = ""; /* * checking accessList is null or not */ if (accessList != null) { /* * checking list entries are empty or null */ if (!accessList.getAccessListEntries().isEmpty() && accessList.getAccessListEntries() != null) { AceType aceType = accessList.getAccessListEntries().get(accessEntryIntVlu).getMatches() .getAceType(); if (aceType instanceof AceIp) { AceIp aceIp = (AceIp) aceType; SourcePortRange sourcePortRange = aceIp.getSourcePortRange(); if (sourcePortRange != null) { PortNumber lowerPort = sourcePortRange.getLowerPort(); PortNumber upperPort = sourcePortRange.getUpperPort(); if (lowerPort != null) { srcPortRangeLower = lowerPort.getValue(); } if (upperPort != null) { srcPortRangeUpper = upperPort.getValue(); } } DestinationPortRange destinationPortRange = aceIp.getDestinationPortRange(); if (destinationPortRange != null) { PortNumber lowerPort = destinationPortRange.getLowerPort(); if (lowerPort != null) { destPortRangeLower = lowerPort.getValue(); } PortNumber upperPort = destinationPortRange.getUpperPort(); if (upperPort != null) { destPortRangeUpper = upperPort.getValue(); } } AceIpVersion aceIpVersion = aceIp.getAceIpVersion(); if (aceIpVersion instanceof AceIpv4) { AceIpv4 obj = (AceIpv4) aceIpVersion; destinationIpAdd = obj.getDestinationIpv4Address().getValue(); sourceIpAdd = obj.getSourceIpv4Address().getValue(); } else if (aceIpVersion instanceof AceIpv6) { AceIpv6 obj = (AceIpv6) aceIpVersion; destinationIpAdd = obj.getDestinationIpv6Address().getValue(); sourceIpAdd = obj.getSourceIpv6Address().getValue(); } } else if (aceType instanceof AceEth) { log.debug("Need to add execution loging for Ace Type Ethernet"); } } } /** * Matches elements to define IP address & Port range for given ACL * model. */ Element matchesElement = new Element("matches", accessNamespaceRpc); if (String.valueOf(srcPortRangeLower) != null && !String.valueOf(srcPortRangeLower).isEmpty()) { matchesElement.addContent(new Element("source-port-range", accessNamespaceRpc).addContent( new Element("lower-port", accessNamespaceRpc).setText(String.valueOf(srcPortRangeLower)))); matchesElement.addContent(new Element("source-port-range", accessNamespaceRpc).addContent( new Element("upper-port", accessNamespaceRpc).setText(String.valueOf(srcPortRangeUpper)))); matchesElement.addContent(new Element("destination-port-range", accessNamespaceRpc).addContent( new Element("lower-port", accessNamespaceRpc).setText(String.valueOf(destPortRangeLower)))); matchesElement.addContent(new Element("destination-port-range", accessNamespaceRpc).addContent( new Element("upper-port", accessNamespaceRpc).setText(String.valueOf(destPortRangeUpper)))); } if (destinationIpAdd != null && !destinationIpAdd.isEmpty()) { matchesElement.addContent( new Element("destination-ipv4-address", accessNamespaceRpc).setText(destinationIpAdd)); } if (sourceIpAdd != null && !sourceIpAdd.isEmpty()) { matchesElement.addContent(new Element("source-ipv4-address", accessNamespaceRpc).setText(sourceIpAdd)); } /** * Access entries elements for given ACL model. */ Element accessEntries = new Element("access-list-entries", accessNamespaceRpc); accessEntries.addContent(new Element("rule-name", accessNamespaceRpc) .setText(accessList.getAccessListEntries().get(accessEntryIntVlu).getRuleName())); accessEntries.addContent(matchesElement); accessEntries.addContent( new Element("actions", accessNamespaceRpc).addContent(new Element("deny", accessNamespaceRpc))); return accessEntries; } }