toolkit.model.33.1.0.source-code.LicenseFinding.kt Maven / Gradle / Ivy

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Part of the OSS Review Toolkit (ORT), a suite to automate software compliance checks.

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/*
 * Copyright (C) 2017 The ORT Project Authors (see )
 *
 * 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
 *
 *     https://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.
 *
 * SPDX-License-Identifier: Apache-2.0
 * License-Filename: LICENSE
 */

package org.ossreviewtoolkit.model

import com.fasterxml.jackson.annotation.JsonInclude

import org.ossreviewtoolkit.model.config.LicenseFindingCuration
import org.ossreviewtoolkit.utils.spdx.SpdxExpression
import org.ossreviewtoolkit.utils.spdx.toSpdx

/**
 * A class representing a license finding. License findings can point to single licenses or to complex
 * [SpdxExpression]s, depending on the capabilities of the used license scanner. [LicenseFindingCuration]s can also be
 * used to create findings with complex expressions.
 */
@JsonInclude(JsonInclude.Include.NON_NULL)
data class LicenseFinding(
    /**
     * The found license as an SPDX expression.
     */
    val license: SpdxExpression,

    /**
     * The text location where the license was found.
     */
    val location: TextLocation,

    /**
     * The score of a license finding. Its exact meaning is scanner-specific, but it should give some hint at how much
     * the finding can be relied on / how confident the scanner is to be right. In most cases this is a percentage where
     * 100.0 means that the scanner is 100% confident that the finding is correct.
     */
    val score: Float? = null
) {
    companion object {
        val COMPARATOR = compareBy({ it.license.toString() }, { it.location })
            .thenByDescending { it.score }
    }

    constructor(license: String, location: TextLocation, score: Float? = null) : this(license.toSpdx(), location, score)
}

/**
 * Apply [mapping] from the [org.ossreviewtoolkit.model.config.ScannerConfiguration] to any license String.
 */
fun String.mapLicense(mapping: Map): String =
    mapping.entries.fold(this) { result, (from, to) ->
        val regex = """(^| |\()(${Regex.escape(from)})($| |\))""".toRegex()

        regex.replace(result) {
            "${it.groupValues[1]}$to${it.groupValues[3]}"
        }
    }