com.metaeffekt.artifact.analysis.report.ResultInventory Maven / Gradle / Ivy

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/*
 * Copyright 2021-2024 the original author or authors.
 *
 * 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 com.metaeffekt.artifact.analysis.report;

import org.apache.commons.lang3.Validate;
import org.metaeffekt.core.inventory.processor.model.Inventory;
import org.metaeffekt.core.inventory.processor.reader.InventoryReader;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.lang.NonNull;

import java.io.File;
import java.io.IOException;

public class ResultInventory implements Comparable {

    public final static Logger LOG = LoggerFactory.getLogger(ResultInventory.class);

    private Inventory inventory;
    private long timestamp;

    public ResultInventory from(File inventoryFile) throws IOException {
        Validate.notNull(inventoryFile, "Inventory file must not be ");
        Validate.isTrue(inventoryFile.exists(), String.format("Inventory file [%s] must exist.", inventoryFile.getPath()));

        final String inventoryName = extractInventoryName(inventoryFile);

        this.timestamp = extractTimestamp(inventoryFile, inventoryName);
        this.inventory = new InventoryReader().readInventory(inventoryFile);

        return this;
    }

    protected long extractTimestamp(File inventoryFile, String inventoryName) {
        // use last modified date as default
        long timestamp = inventoryFile.lastModified();

        // parse timestamp from inventory name
        try {
            timestamp = Long.parseLong(inventoryName);
        } catch (NumberFormatException e) {
            LOG.error("Expecting file name to contain timestamp of creation, but was [{}].", inventoryName);
        }
        return timestamp;
    }

    protected String extractInventoryName(File inventoryFile) {
        String inventoryName = inventoryFile.getName();
        int endIndex = inventoryName.toLowerCase().lastIndexOf(".xls");
        if (endIndex > 0) {
            inventoryName = inventoryName.substring(0, endIndex);
        }
        return inventoryName;
    }

    public static ResultInventory fromFile(final File inventoryFile) throws IOException {
        return new ResultInventory().from(inventoryFile);
    }

    public Inventory getInventory() {
        return inventory;
    }

    public long getTimestamp() {
        return timestamp;
    }

    @Override
    public int compareTo(@NonNull ResultInventory o) {
        return Long.compare(timestamp, o.timestamp);
    }

    @Override
    public String toString() {
        return "ResultInventory{" +
                "artifacts=" + inventory.getArtifacts().size() +
                ", timestamp=" + timestamp +
                '}';
    }
}