nl.tudelft.graphalytics.reporting.html.StaticResource.java Source code

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Here is the source code for nl.tudelft.graphalytics.reporting.html.StaticResource.java

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/*
 * Copyright 2015 Delft University of Technology
 *
 * 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 nl.tudelft.graphalytics.reporting.html;

import nl.tudelft.graphalytics.reporting.BenchmarkReportFile;
import org.apache.commons.io.FileUtils;

import java.io.IOException;
import java.net.URL;
import java.nio.file.Files;
import java.nio.file.Path;

/**
 * Created by tim on 12/14/15.
 */
public class StaticResource implements BenchmarkReportFile {

    private final URL resourceUrl;
    private final String relativeOutputPath;

    public StaticResource(URL resourceUrl, String relativeOutputPath) {
        this.resourceUrl = resourceUrl;
        this.relativeOutputPath = relativeOutputPath;
    }

    @Override
    public void write(Path reportPath) throws IOException {
        Path outputPath = reportPath.resolve(relativeOutputPath);
        // Ensure that the containing directory exists
        if (!outputPath.getParent().toFile().exists()) {
            Files.createDirectories(outputPath.getParent());
        } else if (!outputPath.getParent().toFile().isDirectory()) {
            throw new IOException(
                    "Could not write static resource to \"" + outputPath + "\": parent is not a directory.");
        }
        // Copy the resource to the output file
        FileUtils.copyInputStreamToFile(resourceUrl.openStream(), outputPath.toFile());
    }

}