diff --git a/java/org/slub/rosetta/dps/repository/plugin/SLUBTechnicalMetadataExtractorMediaConchPlugin.java b/java/org/slub/rosetta/dps/repository/plugin/SLUBTechnicalMetadataExtractorMediaConchPlugin.java
index 78a9f2cd93bb09bb0f60cca49f1ad19400d50ccc..9d43746d6010364540583a5a2a02bdee854754c0 100644
--- a/java/org/slub/rosetta/dps/repository/plugin/SLUBTechnicalMetadataExtractorMediaConchPlugin.java
+++ b/java/org/slub/rosetta/dps/repository/plugin/SLUBTechnicalMetadataExtractorMediaConchPlugin.java
@@ -16,7 +16,6 @@ limitations under the License.
package org.slub.rosetta.dps.repository.plugin;
-
import com.exlibris.core.sdk.strings.StringUtils;
import com.exlibris.dps.sdk.techmd.MDExtractorPlugin;
import org.w3c.dom.Document;
@@ -25,33 +24,25 @@ import org.w3c.dom.NodeList;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
-import javax.xml.transform.Transformer;
-import javax.xml.transform.TransformerConfigurationException;
-import javax.xml.transform.TransformerFactory;
-import javax.xml.transform.TransformerFactoryConfigurationError;
-import javax.xml.transform.stream.StreamResult;
-import javax.xml.transform.stream.StreamSource;
import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathExpression;
import javax.xml.xpath.XPathFactory;
import java.io.BufferedReader;
+import java.io.BufferedWriter;
import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
+import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
-import java.io.OutputStream;
-import java.io.OutputStreamWriter;
import java.nio.file.Files;
import java.nio.file.Path;
+import java.nio.file.StandardCopyOption;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
-
/**
* SLUBTechnicalMetadataExtractorMediaConchPlugin
*
@@ -64,7 +55,8 @@ public class SLUBTechnicalMetadataExtractorMediaConchPlugin implements MDExtract
private String mediaconch_binary_path;
private String mediaconch_profile_path;
private String mediainfo_binary_path;
- private final static String MEDIAINFO_XSD = "/transformer.xsl";
+ private final static String xsltproc_binary_path = "/bin/xsltproc"; /* path in Exl */
+ private final static String TRANSFORMER_XSL = "/resources/transformer.xsl";
private List<String> extractionErrors = new ArrayList<>();
private final List<String> validationLog = new ArrayList<>();
@@ -93,6 +85,7 @@ public class SLUBTechnicalMetadataExtractorMediaConchPlugin implements MDExtract
+ " mediaconch_binary_path=" + mediaconch_binary_path
+ " mediaconch_profile_path=" + mediaconch_profile_path
+ " mediainfo_binary_path=" + mediainfo_binary_path
+ + " (xsltproc_binary_path=" + xsltproc_binary_path + ", hardcoded)"
);
} catch (Exception e) {
e.printStackTrace();
@@ -125,19 +118,20 @@ public class SLUBTechnicalMetadataExtractorMediaConchPlugin implements MDExtract
checkFileExists(this.mediaconch_binary_path);
checkFileExists(this.mediaconch_profile_path);
checkFileExists(this.mediainfo_binary_path);
+ //checkFileExists(xsltproc_binary_path);
// mediaconch validation
call_mediaconch(filePath);
// mediainfo metadata extraction
call_mediainfo_and_result_processing(filePath);
}
- private void call_mediainfo_and_result_processing(String filePath) throws Exception {
- String execstring = this.mediainfo_binary_path + " -f --Output=XML " + filePath;
- System.out.println("executing: " + execstring);
+ private void call_mediainfo(String file_to_extract_from, String temp_mediainfo_outputfile ) throws Exception {
+ String exec_mediainfo_string = this.mediainfo_binary_path + " -f --Output=XML " + file_to_extract_from;
+ System.out.println("executing: " + exec_mediainfo_string);
checkFileExists(this.mediainfo_binary_path);
InputStreamReader process_out;
try {
- Process p = Runtime.getRuntime().exec(execstring);
+ Process p = Runtime.getRuntime().exec(exec_mediainfo_string);
p.waitFor();
process_out = new InputStreamReader(p.getInputStream());
} catch (IOException e) {
@@ -155,68 +149,77 @@ public class SLUBTechnicalMetadataExtractorMediaConchPlugin implements MDExtract
String regex = "xsi:schemaLocation.*?>";
String line_patched = line.replaceAll(regex, "");
mediainfo_output.append(line_patched);
- //mediainfo_output.append(line);
+ System.out.println("LINE (patched): " + line_patched);
line = reader.readLine();
}
reader.close();
- File temp_media_outputfile = File.createTempFile("mediainfo_outp", ".xml");
- temp_media_outputfile.deleteOnExit();
- File temp_media_transformed_outputfile = File.createTempFile("mediainfo_transf_", ".xml");
- temp_media_transformed_outputfile.deleteOnExit();
- OutputStream temp_media_transformed_outputstream = new FileOutputStream(temp_media_transformed_outputfile);
- OutputStream temp_media_outputstream = new FileOutputStream(temp_media_outputfile);
- OutputStreamWriter temp_media_streamwriter = new OutputStreamWriter(temp_media_outputstream);
+ FileWriter temp_media_outputstream = new FileWriter(temp_mediainfo_outputfile);
+ BufferedWriter temp_media_streamwriter = new BufferedWriter(temp_media_outputstream);
temp_media_streamwriter.append(mediainfo_output);
+ temp_media_streamwriter.flush();
+ temp_media_outputstream.flush();
+ temp_media_outputstream.close();
temp_media_streamwriter.close();
- /* xslt transform */
- InputStream stylestream = getClass().getResourceAsStream(MEDIAINFO_XSD);
- StreamSource stylesource = new StreamSource(stylestream);
- stylesource.setSystemId("./resources" + MEDIAINFO_XSD);
- System.out.println("stylesource, tempfile_raw=" + temp_media_outputfile.getAbsolutePath());
- System.out.println("stylesource, tempfile_transformed=" + temp_media_transformed_outputfile.getAbsolutePath());
- System.out.println("stylesource, systemID=" + stylesource.getSystemId());
- System.out.println("stylesource, publicID=" + stylesource.getPublicId());
- /* media info xml */
- InputStream mediastream = new FileInputStream(temp_media_outputfile);
- StreamSource mediainfo_source = new StreamSource(mediastream);
- mediainfo_source.setSystemId(temp_media_outputfile);
- System.out.println("mediainfo_source, systemID=" + mediainfo_source.getSystemId());
- System.out.println("mediainfo_source, publicID=" + mediainfo_source.getPublicId());
- // Use a Transformer for output
- TransformerFactory tFactory;
- try {
+ }
- tFactory = TransformerFactory.newInstance("com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl", ClassLoader.getPlatformClassLoader());
- //System.out.println("Factory module name:" + tFactory.getClass().getModule().getName());
- //tFactory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
- //tFactory.setAttribute(XMLConstants.ACCESS_EXTERNAL_DTD, "");
- //tFactory.setAttribute(XMLConstants.ACCESS_EXTERNAL_STYLESHEET, "");
- //tFactory.setFeature(XMLConstants.USE_CATALOG, false);
- System.out.println("transformerFactory:" + System.getProperty("javax.xml.transform.TransformerFactory"));
- try {
- System.out.println("stylesource=" + stylesource);
- assert (!stylesource.isEmpty());
- Transformer transformer = tFactory.newTransformer(stylesource);
- assert (transformer != null);
- System.out.println("transformer=" + transformer);
- /* ok, mediainfo is loaded correctly, and xslt loaded too */
- /* debug output: */
- StreamResult result = new StreamResult(temp_media_transformed_outputstream);
- System.out.println("result=" + result.getClass());
- transformer.transform(mediainfo_source, result);
- } catch (TransformerConfigurationException e) {
- System.err.println("TransformerConfigurationException" + e);
- e.printStackTrace();
+ private void call_mediainfo_and_result_processing(String filePath) throws Exception {
+ File temp_media_outputfile = File.createTempFile("mediainfo_outp", ".xml");
+ temp_media_outputfile.deleteOnExit();
+ call_mediainfo(filePath, String.valueOf(temp_media_outputfile));
+ if (temp_media_outputfile.length() > 0) {
+ File temp_media_transformed_outputfile = File.createTempFile("mediainfo_transf_", ".xml");
+ temp_media_transformed_outputfile.deleteOnExit();
+ //OutputStream temp_media_outputstream = new FileOutputStream(temp_media_outputfile);
+ transform_mediainfo_output(temp_media_outputfile, temp_media_transformed_outputfile);
+ if (temp_media_transformed_outputfile.length() > 0) {
+ /* TODO: read transformed outputfile and return attributes */
+ extract_attributes_of_transformed_result(temp_media_transformed_outputfile);
+ } else {
+ throw new Exception( "size of intermediate transformed file '" + temp_media_transformed_outputfile + "' is zero, something broken");
}
- }catch (TransformerFactoryConfigurationError e) {
- System.err.println("TransformerConfigurationError" + e);
- e.printStackTrace();
+ } else {
+ throw new Exception( "size of intermediate mediainfo file '" + temp_media_outputfile + "' is zero, something broken");
+ }
+ temp_media_outputfile.delete();
+ }
+
+ private void transform_mediainfo_output(File temp_media_outputfile, File temp_media_transformed_outputfile) throws Exception {
+ /* write xsd */
+ File temp_xsdfile = File.createTempFile("mediainfo_style", ".xsd");
+ InputStream stylestream = getClass().getResourceAsStream(TRANSFORMER_XSL);
+ if (stylestream == null) {
+ throw new Exception("stylestream not found!");
}
+ /*
+ OutputStream out = new FileOutputStream(temp_xsdfile);
+ int read = 0;
+ byte[] buffer = new byte[8192];
+ assert(stylestream != null);
+ stylestream.read( buffer );
+ while((read =stylestream.read( buffer)) != -1) {
+ out.write(buffer, 0, read);
+ }
+ out.flush();
+ out.close();
+ */
- temp_media_transformed_outputstream.close();
- mediastream.close();
- /* TODO: read transformed outputfile and return attributes */
- extract_attributes_of_transformed_result(temp_media_transformed_outputfile);
+ Files.copy(stylestream, Path.of(String.valueOf(temp_xsdfile)), StandardCopyOption.REPLACE_EXISTING);
+ stylestream.close();
+ /* xslt transform */
+ String exec_xsltproc_string = xsltproc_binary_path + " -o " + temp_media_transformed_outputfile + " " + temp_xsdfile + " " + temp_media_outputfile;
+ System.out.println("executing: " + exec_xsltproc_string);
+ InputStreamReader process_out;
+ try {
+ Process p = Runtime.getRuntime().exec(exec_xsltproc_string);
+ p.waitFor();
+ process_out = new InputStreamReader(p.getInputStream());
+ } catch (IOException e) {
+ //log.error("exception creation socket, clamd not available at host=" + host + "port=" + port, e);
+ System.out.println("ERROR: (actual) xsltproc not available, path=" + xsltproc_binary_path + ", " + e.getMessage());
+ throw new Exception("ERROR: (actual) xsltproc not available, path=" + xsltproc_binary_path + ", " + e.getMessage());
+ } finally {
+ temp_xsdfile.delete();
+ }
}
private void extract_attributes_of_transformed_result(File temp_media_transformed_outputfile) throws Exception {
@@ -238,7 +241,7 @@ public class SLUBTechnicalMetadataExtractorMediaConchPlugin implements MDExtract
}
private void call_mediaconch(String filePath) throws Exception {
- String execstring = this.mediaconch_binary_path + " " + filePath + " " + this.mediaconch_profile_path;
+ String execstring = this.mediaconch_binary_path + " " + filePath + " -p " + this.mediaconch_profile_path;
System.out.println("executing: " + execstring);
InputStreamReader process_out;
try {
@@ -260,9 +263,13 @@ public class SLUBTechnicalMetadataExtractorMediaConchPlugin implements MDExtract
BufferedReader reader = new BufferedReader(process_out);
String line = reader.readLine();
while (line != null) {
- System.out.println(line);
+ if (line.contains("pass!")) {
+ break;
+ }
+ System.out.println("MEDIACONCH line: " + line);
validationLog.add(line);
line = reader.readLine();
+
}
reader.close();
extractionErrors = validationLog;
@@ -508,6 +515,7 @@ public class SLUBTechnicalMetadataExtractorMediaConchPlugin implements MDExtract
} catch (Exception e) {
System.out.println("CALLERROR:");
e.printStackTrace();
+ return;
}
System.out.println("RESULT: " + plugin.isValid());
System.out.println("ERRORMESSAGE: " + plugin.getExtractionErrors());