/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.nifi.processors.evtx.parser.bxml;
import com.google.common.primitives.UnsignedInteger;
import org.apache.nifi.processors.evtx.parser.BinaryReader;
import org.apache.nifi.processors.evtx.parser.BxmlNodeVisitor;
import org.apache.nifi.processors.evtx.parser.ChunkHeader;
import org.apache.nifi.processors.evtx.parser.NumberUtil;
import java.io.IOException;
/**
* Template node describing structure of xml to be rendered into
*/
public class TemplateNode extends BxmlNode {
private final int nextOffset;
private final UnsignedInteger templateId;
private final String guid;
private final int dataLength;
public TemplateNode(BinaryReader binaryReader, ChunkHeader chunkHeader) throws IOException {
super(binaryReader, chunkHeader, null);
nextOffset = NumberUtil.intValueMax(binaryReader.readDWord(), Integer.MAX_VALUE, "Invalid offset.");
//TemplateId and Guid overlap
templateId = new BinaryReader(binaryReader, binaryReader.getPosition()).readDWord();
guid = binaryReader.readGuid();
dataLength = NumberUtil.intValueMax(binaryReader.readDWord(), Integer.MAX_VALUE - 0x18, "Data length too large.");
init();
}
@Override
public String toString() {
return "TemplateNode{" +
"nextOffset=" + nextOffset +
", templateId=" + templateId +
", guid='" + guid + '\'' +
", dataLength=" + dataLength +
'}';
}
public int getNextOffset() {
return nextOffset;
}
public UnsignedInteger getTemplateId() {
return templateId;
}
public String getGuid() {
return guid;
}
public int getDataLength() {
return dataLength;
}
@Override
public void accept(BxmlNodeVisitor bxmlNodeVisitor) throws IOException {
bxmlNodeVisitor.visit(this);
}
}