org.spdx.tools.RdfToTag Maven / Gradle / Ivy
/**
* Copyright (c) 2010 Source Auditor Inc.
*
* 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 org.spdx.tools;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.LinkedList;
import java.util.List;
import java.util.Properties;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.spdx.rdfparser.InvalidSPDXAnalysisException;
import org.spdx.rdfparser.SPDXDocumentFactory;
import org.spdx.rdfparser.model.SpdxDocument;
import org.spdx.tag.CommonCode;
/**
* Translates an RDF XML file to a tag-value format Usage: RdfToTag
* rdfxmlfile.rdf spdxfile.spdx where rdfxmlfile.rdf is a valid SPDX RDF XML
* file and spdxfile.spdx is the output SPDX tag-value file.
*
* @author Rana Rahal, Protecode Inc.
*/
public class RdfToTag {
static final int MIN_ARGS = 2;
static final int MAX_ARGS = 2;
static final Logger logger = LoggerFactory.getLogger(RdfToTag.class.getName());
/**
* @param args
* Argument 0 is a the file path name of the SPDX RDF/XML file
*/
public static void main(String[] args) {
if (args.length < MIN_ARGS) {
usage();
return;
}
if (args.length > MAX_ARGS) {
System.out.printf("Warning: Extra arguments will be ignored%n");
usage();
}
try {
onlineFunction(args);
} catch (OnlineToolException e){
System.out.println(e.getMessage());
usage();
return;
}
}
/**
*
* @param args args[0] is the RDF file to be converted, args[1] is the result Tag file name
* @throws OnlineToolException Exception caught by JPype and displayed to the user
* @return Warnings of the conversion, displayed to the user
*/
public static List onlineFunction(String[] args) throws OnlineToolException{
// Arguments length(args length== 2 ) will checked in the Python Code
File spdxRdfFile = new File(args[0]);
// Output File name will be checked in the Python code for no clash, but if still found
if (!spdxRdfFile.exists()) {
throw new OnlineToolException("RDF file " + args[0] +" does not exists.");
}
File spdxTagFile = new File(args[1]);
if (spdxTagFile.exists()) {
throw new OnlineToolException("Error: File " +args[1] +" already exists - please specify a new file.");
}
try {
if (!spdxTagFile.createNewFile()) {
throw new OnlineToolException("Could not create the new SPDX Tag file "
+ args[1]);
}
} catch (IOException e1) {
throw new OnlineToolException("Could not create the new SPDX Tag file " + args[1] + "due to error " + e1.getMessage());
}
PrintWriter out = null;
List verify = new LinkedList();
try {
try {
out = new PrintWriter(spdxTagFile, "UTF-8");
} catch (IOException e1) {
throw new OnlineToolException("Could not write to the new SPDX Tag file "
+ args[1] + "due to error " + e1.getMessage());
}
SpdxDocument doc = null;
try {
doc = SPDXDocumentFactory.createSpdxDocument(args[0]);
} catch (InvalidSPDXAnalysisException ex) {
throw new OnlineToolException("Error creating SPDX Document: "+ex.getMessage());
} catch (IOException e) {
throw new OnlineToolException("Unable to open file :"+args[0]+", "+e.getMessage());
} catch (Exception e) {
throw new OnlineToolException("Error creating SPDX Document: "+e.getMessage(),e);
}
try {
verify = doc.verify();
if (verify.size() > 0) {
System.out
.println("This SPDX Document is not valid due to:");
for (int i = 0; i < verify.size(); i++) {
System.out.println("\t" + verify.get(i));
}
}
// read the tag-value constants from a file
Properties constants = CommonCode
.getTextFromProperties("org/spdx/tag/SpdxTagValueConstants.properties");
// print document to a file using tag-value format
CommonCode.printDoc(doc, out, constants);
} catch (InvalidSPDXAnalysisException e) {
throw new OnlineToolException("Error transalting SPDX Document to tag-value format: "
+ e.getMessage());
} catch (Exception e) {
throw new OnlineToolException("Unexpected error displaying SPDX Document: "
+ e.getMessage());
}
} finally {
if (out != null) {
out.flush();
out.close();
}
}
return verify;
}
private static void usage() {
System.out
.println("Usage: RdfToTag rdfxmlfile.rdf spdxfile.spdx\n"
+ "where rdfxmlfile.rdf is a valid SPDX RDF XML file and spdxfile.spdx is\n"
+ "the output SPDX tag-value file.");
}
}