#392

Committed 29 Apr 2025 06:44PM UTC coverage: 89.357%. First build

Build # #392

Build Type

Pull #233

github

Committed by

Pfeil

Commit Message

fix: add newline at end of gradle.yml for consistency

Pull Request Pull Request #233: Version 2.1.0

Run Details

608 of 700 new or added lines in 28 files covered. (86.86%)

1889 of 2114 relevant lines covered (89.36%)

0.89 hits per line

Source File
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83.33

/src/main/java/edu/kit/datamanager/ro_crate/preview/AutomaticPreview.java

package edu.kit.datamanager.ro_crate.preview;

import edu.kit.datamanager.ro_crate.util.ZipUtil;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import net.lingala.zip4j.ZipFile;
import net.lingala.zip4j.exception.ZipException;
import net.lingala.zip4j.io.outputstream.ZipOutputStream;
import org.apache.commons.io.FileUtils;

/**
 * The default preview should use the rochtml tool
 * (https://www.npmjs.com/package/ro-crate-html-js) for creating a simple
 * preview file.
 *
 * @author Nikola Tzotchev on 6.2.2022 г.
 * @version 1
 */
public class AutomaticPreview implements CratePreview {

    public AutomaticPreview() {
    }

    @Override
    public void saveAllToZip(ZipFile zipFile) throws IOException {
        if (PreviewGenerator.isRochtmlAvailable()) {
            // extract the .json file so we can run the "rochtml" tool on it"
            try {
                try {
                    zipFile.extractFile("ro-crate-metadata.json", "temp");
                } catch (ZipException ex) {
                    throw new IOException("ro-crate-metadata.json not found in provided ZIP.", ex);
                }
                if (PreviewGenerator.isRochtmlAvailable()) {
                    PreviewGenerator.generatePreview("temp");
                    zipFile.addFile("temp/ro-crate-preview.html");
                }
            } finally {
                try {
                    FileUtils.deleteDirectory(new File("temp"));
                } catch (IOException ex) {
                    //ignore
                }
            }
        } else {
            new CustomPreview().saveAllToZip(zipFile);
        }
    }

    @Override
    public void saveAllToFolder(File folder) throws IOException {
        if (folder == null || !folder.exists()) {
            throw new IOException("Preview target folder " + folder + " does not exist.");
        }

        if (PreviewGenerator.isRochtmlAvailable()) {
            PreviewGenerator.generatePreview(folder.getAbsolutePath());
        } else {
            new CustomPreview().saveAllToFolder(folder);
        }
    }

    @Override
    public void saveAllToStream(String metadata, ZipOutputStream stream) throws IOException {
        if (PreviewGenerator.isRochtmlAvailable()) {
            try {
                FileUtils.forceMkdir(new File("temp"));
                try (FileWriter writer = new FileWriter(new File("temp/ro-crate-metadata.json"))) {
                    writer.write(metadata);
                    writer.flush();
                }
                if (PreviewGenerator.isRochtmlAvailable()) {
                    PreviewGenerator.generatePreview("temp");
                    ZipUtil.addFileToZipStream(stream, new File("temp/ro-crate-preview.html"), "ro-crate-preview.html");
                }
            } finally {
                try {
                    FileUtils.deleteDirectory(new File("temp"));
                } catch (IOException ex) {
                    //ignore
                }
            }
        } else {
            new CustomPreview().saveAllToStream(metadata, stream);
        }
    }

}

1	package edu.kit.datamanager.ro_crate.preview;
2
3	import edu.kit.datamanager.ro_crate.util.ZipUtil;
4	import java.io.File;
5	import java.io.FileWriter;
6	import java.io.IOException;
7	import net.lingala.zip4j.ZipFile;
8	import net.lingala.zip4j.exception.ZipException;
9	import net.lingala.zip4j.io.outputstream.ZipOutputStream;
10	import org.apache.commons.io.FileUtils;
11
12	/**
13	* The default preview should use the rochtml tool
14	* (https://www.npmjs.com/package/ro-crate-html-js) for creating a simple
15	* preview file.
16	*
17	* @author Nikola Tzotchev on 6.2.2022 г.
18	* @version 1
19	*/
20	public class AutomaticPreview implements CratePreview {
21
22	public AutomaticPreview() {	1✔
23	}	1✔
24
25	@Override
26	public void saveAllToZip(ZipFile zipFile) throws IOException {
27	if (PreviewGenerator.isRochtmlAvailable()) {	1✔
28	// extract the .json file so we can run the "rochtml" tool on it"
29	try {
30	try {
31	zipFile.extractFile("ro-crate-metadata.json", "temp");	1✔
32	} catch (ZipException ex) {	1✔
33	throw new IOException("ro-crate-metadata.json not found in provided ZIP.", ex);	1✔
34	}	1✔
35	if (PreviewGenerator.isRochtmlAvailable()) {	1✔
36	PreviewGenerator.generatePreview("temp");	1✔
37	zipFile.addFile("temp/ro-crate-preview.html");	1✔
38	}
39	} finally {
40	try {
41	FileUtils.deleteDirectory(new File("temp"));	1✔
NEW 42	} catch (IOException ex) {	×
43	//ignore
44	}	1✔
45	}	1✔
46	} else {
NEW 47	new CustomPreview().saveAllToZip(zipFile);	×
48	}
49	}	1✔
50
51	@Override
52	public void saveAllToFolder(File folder) throws IOException {
53	if (folder == null \|\| !folder.exists()) {	1✔
NEW 54	throw new IOException("Preview target folder " + folder + " does not exist.");	×
55	}
56
57	if (PreviewGenerator.isRochtmlAvailable()) {	1✔
58	PreviewGenerator.generatePreview(folder.getAbsolutePath());	1✔
59	} else {
NEW 60	new CustomPreview().saveAllToFolder(folder);	×
61	}
62	}	1✔
63
64	@Override
65	public void saveAllToStream(String metadata, ZipOutputStream stream) throws IOException {
66	if (PreviewGenerator.isRochtmlAvailable()) {	1✔
67	try {
68	FileUtils.forceMkdir(new File("temp"));	1✔
69	try (FileWriter writer = new FileWriter(new File("temp/ro-crate-metadata.json"))) {	1✔
70	writer.write(metadata);	1✔
71	writer.flush();	1✔
72	}
73	if (PreviewGenerator.isRochtmlAvailable()) {	1✔
74	PreviewGenerator.generatePreview("temp");	1✔
75	ZipUtil.addFileToZipStream(stream, new File("temp/ro-crate-preview.html"), "ro-crate-preview.html");	1✔
76	}
77	} finally {
78	try {
79	FileUtils.deleteDirectory(new File("temp"));	1✔
NEW 80	} catch (IOException ex) {	×
81	//ignore
82	}	1✔
83	}	1✔
84	} else {
NEW 85	new CustomPreview().saveAllToStream(metadata, stream);	×
86	}
87	}	1✔
88
89	}

kit-data-manager / ro-crate-java / #392

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