com.navercorp.pinpoint.grpc.util.FileSystemResource Maven / Gradle / Ivy

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/*
 * Copyright 2021 NAVER Corp.
 *
 * 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.navercorp.pinpoint.grpc.util;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Objects;

/**
 * @author Taejin Koo
 */
public class FileSystemResource implements Resource {

    private final File file;

    private FileSystemResource(File file) {
        Objects.requireNonNull(file, "file");
        this.file = file;
    }

    @Override
    public boolean exists() {
        return file.exists();
    }

    @Override
    public InputStream getInputStream() throws IOException {
        return new FileInputStream(file);
    }

    @Override
    public File getFile() throws IOException {
        return file;
    }

    @Override
    public URL getURL() throws IOException {
        return file.toURI().toURL();
    }

    public static FileSystemResource createResource(String path) {
        File file = new File(path);
        return new FileSystemResource(file);
    }

    public static FileSystemResource createResource(String parent, String child) {
        File file = new File(parent, child);
        return new FileSystemResource(file);
    }

}