AbstractCommonAttributeInstance.java

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/*
 *
 * Autopsy Forensic Browser
 *
 * Copyright 2018 Basis Technology Corp.
 * Contact: carrier <at> sleuthkit <dot> org
 *
 * 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.sleuthkit.autopsy.commonpropertiessearch;

import org.sleuthkit.autopsy.centralrepository.datamodel.CorrelationAttributeInstance;
import org.sleuthkit.autopsy.datamodel.DisplayableItemNode;
import org.sleuthkit.datamodel.AbstractFile;
import org.sleuthkit.datamodel.TskCoreException;

public abstract class AbstractCommonAttributeInstance {

    private final Long abstractFileObjectId;
    private final String caseName;
    private final String dataSource;

    // Reference to the AbstractFile instance in the current case
    // that matched on one of the common properties.
    protected AbstractFile abstractFile;

    AbstractCommonAttributeInstance(Long abstractFileReference, String dataSource, String caseName) {
        this.abstractFileObjectId = abstractFileReference;
        this.caseName = caseName;
        this.dataSource = dataSource;
        this.abstractFile = null;
    }

    AbstractCommonAttributeInstance() {
        this(-1L, "", "");
    }

    public abstract CorrelationAttributeInstance.Type getCorrelationAttributeInstanceType();

    abstract AbstractFile getAbstractFile();

    abstract DisplayableItemNode[] generateNodes();

    String getCaseName() {
        return this.caseName;
    }

    public String getDataSource() {

        return this.dataSource;
    }

    public Long getAbstractFileObjectId() {
        return abstractFileObjectId;
    }

    static DisplayableItemNode createNode(CorrelationAttributeInstance attribute, AbstractFile abstractFile, String currentCaseName, NODE_TYPE nodeType) throws TskCoreException {

        DisplayableItemNode leafNode;

        if (abstractFile == null) {
            leafNode = new CentralRepoCommonAttributeInstanceNode(attribute, nodeType);
        } else {
            final String abstractFileDataSourceName = abstractFile.getDataSource().getName();
            leafNode = new CaseDBCommonAttributeInstanceNode(abstractFile, currentCaseName, abstractFileDataSourceName, attribute.getCorrelationValue(), nodeType);
        }
        return leafNode;
    }

    public enum NODE_TYPE {
        //depending on the type of results displayed different columns will be necessary to display complete information
        CASE_NODE,
        COUNT_NODE;
    }
}