Jpylyzer Review Demonstration
Created: 2012-03-15 00:20:38
Last updated: 2012-03-15 00:22:37
Review demonstration workflow that compares the jpylyzer tool with the struct checker and jhove. Runs on British Library JISC 1 content, looking for invalid images.
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Dependencies (1)
| pc-cc-jpylyzer-wrapper-0.0.1-SNAPSHOT.jar |
Inputs (1)
| Name |
Description |
| jiscIssueContainerList |
The String path to a JP2K file
|
Processors (2)
| Name |
Type |
Description |
| Jpylyzer |
beanshell |
Scriptimport eu.scape_project.pc.cc.ContainerUnpacker;
import eu.scape_project.pc.cc.JpylyzerWrapper;
import eu.scape_project.pc.cc.Jp2StructCheckWrapper;
JpylyzerWrapper jpylyzer = JpylyzerWrapper.getInstance();
Jp2StructCheckWrapper structChecker = Jp2StructCheckWrapper.getInstance();
List validImages = new ArrayList();
List invalidImages = new ArrayList();
String json = "var json = {\n";
json+="\t'color': ['#228800', '#ff0000'],\n";
json+="\t'label': ['valid images', 'invalid images'],\n";
json+="\t'values': [\n";
json+="\t{\n\t\t'label': 'jhove 1.6',\n\t\t'values': [48, 0]\n\t},\n";
for (String zipPath : zipPaths) {
ContainerUnpacker unpacker = ContainerUnpacker.getInstance(zipPath);
for (String entryName : unpacker.getEntryNames()) {
String id = zipPath + "#" + entryName;
File jp2kFile = unpacker.getUnzippedFile(entryName);
jpylyzer.validateJp2kFile(jp2kFile);
if (jpylyzer.isValid()) {
validImages.add(id + "\n" + jpylyzer.toString());
} else {
invalidImages.add(id + "\n" + jpylyzer.toString());
}
structChecker.structCheckJp2kFile(jp2kFile);
}
unpacker.cleanup();
}
List validJp2ks = validImages;
List invalidJp2ks = invalidImages;
String summary = "Issues Processed: " + ContainerUnpacker.getContainerCount();
summary += "\n" + "Images Analysed: " + (JpylyzerWrapper.getValidCount() + JpylyzerWrapper.getInvalidCount());
summary += "\n" + JpylyzerWrapper.getValidCount() + " images were valid JP2Ks.";
summary += "\n" + JpylyzerWrapper.getInvalidCount() + " images were invalid.";
json+="\t{\n\t\t'label': 'jp2StructCheck',\n\t\t'values': [" + structChecker.getValidCount() + "," + structChecker.getInvalidCount() + "]\n\t},\n";
json+="\t{\n\t\t'label': 'jpylyzer',\n\t\t'values': [" + JpylyzerWrapper.getValidCount() + ", " + JpylyzerWrapper.getInvalidCount() + "]\n\t}]\n\n";
json+="};";
|
| ManifestParser |
beanshell |
ScriptList zipPaths = new ArrayList();
BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(new File(issueManifestPath))));
String nextLine;
while ((nextLine = reader.readLine()) != null) {
zipPaths.add(nextLine);
}
List jiscIssueContainers = zipPaths; |
Beanshells (2)
| Name |
Description |
Inputs |
Outputs |
| Jpylyzer |
|
zipPaths
|
validJp2ks
invalidJp2ks
summary
json
|
| ManifestParser |
|
issueManifestPath
|
jiscIssueContainers
|
Outputs (4)
| Name |
Description |
| validJp2ks |
|
| invalidJp2ks |
|
| summary |
|
| json |
|
Datalinks (6)
| Source |
Sink |
| ManifestParser:jiscIssueContainers |
Jpylyzer:zipPaths |
| jiscIssueContainerList |
ManifestParser:issueManifestPath |
| Jpylyzer:validJp2ks |
validJp2ks |
| Jpylyzer:invalidJp2ks |
invalidJp2ks |
| Jpylyzer:summary |
summary |
| Jpylyzer:json |
json |
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