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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.common;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.charset.StandardCharsets;
import java.util.List;
import java.util.stream.Collectors;

public abstract class ClassResourceParser {
    public static InputStream loadResourceAsStream(Class loaderClass, String resourcePath) throws IOException {
        final InputStream inputStream = loaderClass.getResourceAsStream(resourcePath);
        if (inputStream == null) {
            throw new IOException("Resource not found [" + resourcePath + "] in [" + loaderClass.getName() + "]");
        }
        return inputStream;
    }

    public static String loadResourceAsString(Class loaderClass, String resourcePath) throws IOException {
        final InputStream inputStream = loadResourceAsStream(loaderClass, resourcePath);
        return new BufferedReader(new InputStreamReader(inputStream, StandardCharsets.UTF_8))
                .lines()
                .collect(Collectors.joining("\n"));
    }

    public static List loadResourceAsList(Class loaderClass, String resourcePath) throws IOException {
        final InputStream inputStream = loadResourceAsStream(loaderClass, resourcePath);
        return new BufferedReader(new InputStreamReader(inputStream, StandardCharsets.UTF_8))
                .lines()
                .collect(Collectors.toList());
    }
}