Examples of eu.planets_project.ifr.core.techreg.formats.Format

Package eu.planets_project.ifr.core.techreg.formats

Examples of eu.planets_project.ifr.core.techreg.formats.Format

eu.planets_project.ifr.core.techreg.formats.Format
This is the Planets 'Preservation Object' 'Format' description entity. It is based on the DROID FileFormat entity, but simplified. Other format registries could be supported too.
Note that DROID also provides: 'has priority over' (good for doing PP) and 'signatures' (good for doing PC) but as this is meant to be a simple, interoperable type identifier system, this extra information (which is more oriented to specific use contexts) is not included here.
Types are identified by URIs. As we are currently based on PRONOM, these URIs will be PRONOM info:pronom/fmt/XX URIs. By using these URIs, we retain the ability to add further registries in the future without changing any of this code. @author Andy Jackson @author Fabian Steeg

            
            
            // iterate through migration paths of found service
            for( MigrationPath path : sd.getPaths() ) {
                
                Format inputFormat = fr.getFormatForUri(path.getInputFormat());
                
                // check if this is the input format we are looking for
                if (false == inputFormat.getExtensions().contains(sourceFormat.getDefaultExtension())) {
                    continue;
                }
                
                // get the output format the service is able to migrate to
                Format outputFormat = fr.getFormatForUri(path.getOutputFormat());


                PreservationActionDefinition pad = new PreservationActionDefinition();
                
                pad.setActionIdentifier("Planets-local");
                pad.setTargetFormat(outputFormat.getUri().toString());
                pad.setShortname(sd.getName() + " @ " + sd.getEndpoint().getHost());
                pad.setUrl(sd.getEndpoint().toString());
                
                String input;
                
                // if an extension is defined we take the first one from the list
                if (inputFormat.getExtensions().size() > 0) {
                    input = inputFormat.getExtensions().iterator().next();
                } else {
                    input = inputFormat.getUri().toString(); 
                }
                
                String output;
                
                // if an extension is defined we take the first one from the list                
                if (outputFormat.getExtensions().size() > 0) {
                    output = outputFormat.getExtensions().iterator().next();
                } else {
                    output = outputFormat.getUri().toString();
                }
                
                pad.setInfo(input+" > "+output);

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        /**
         * @return
         */
        public String getSummary() {
            try {
                Format f = ServiceBrowser.fr.getFormatForUri(new URI(format));
                if( f.getExtensions() != null && f.getExtensions().size() > 0 ) {
                    String fs = ""; // Use the (1st) longest extension:
                    for( String ext : f.getExtensions() ) {
                        if( ext.length() > fs.length() ) fs = ext;
                    }
                    fs = fs.toUpperCase();
                    if( f.getVersion() != null ) fs += " v."+f.getVersion();
                    if( f.getSummary() != null )
                        fs += " - "+f.getSummary();
                    fs += " ("+f.getUri()+")";
                    return fs;
                } else {
                    return f.getSummary() + " " + f.getVersion();
                }
            } catch ( Exception e) {
                log.error("Could not understand format URI: "+format);
                return "unknown";
            }

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        Set<Format> formats = new HashSet<Format>();
        for( ServiceDescription sd : this.listAllMigrationServices() )  {
            for( MigrationPath path : sd.getPaths() ) {
                if( ( endpoint == null ) || endpoint.equals(sd.getEndpoint().toString()) ) {
                    if( ( outputFormat == null ) || outputFormat.equals(path.getOutputFormat().toString()) ) {
                        Format fmt = fr.getFormatForUri( path.getInputFormat() );
                        formats.add(fmt);
                    }
                }
            }
        }

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        Set<Format> formats = new HashSet<Format>();
        for( ServiceDescription sd : this.listAllMigrationServices() )  {
            for( MigrationPath path : sd.getPaths() ) {
                if( ( endpoint == null ) || endpoint.equals(sd.getEndpoint().toString()) ) {
                    if( ( inputFormat == null ) || inputFormat.equals(path.getInputFormat().toString()) ) {
                        Format fmt = fr.getFormatForUri( path.getOutputFormat() );
                        formats.add(fmt);
                    }
                }
            }
        }

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     */
    private List<FormatBean> urisToFormats( List<URI> uris ) {
        if( uris == null ) return null;
        List<FormatBean> fmts = new ArrayList<FormatBean>();
        for( URI fmturi: uris ) {
            Format fmt = ServiceBrowser.fr.getFormatForUri( fmturi );
            fmts.add(new FormatBean(fmt) );
        }
        return fmts;
    }

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    /**
     * @param fmturi
     * @return
     */
    private String formatSummary( URI fmturi ) {
        Format fmt = ServiceBrowser.fr.getFormatForUri( fmturi );
        if( fmt.getSummary() != null ) {
            return fmt.getSummary() + " " + fmt.getVersion();
        } else {
            return fmt.getUri().toString();
        }
    }

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    private List<URI> getPronomURIAliases(URI typeURI) {
        Set<URI> turis = new HashSet<URI>();
        
        Format fmt = format.getFormatForUri(typeURI);
        if( format.isUriOfType(typeURI,UriType.MIME) ) {
            Set<URI> furis = ServiceBrowser.fr.getUrisForMimeType(fmt.getMimeTypes().iterator().next());
            turis.addAll(furis);
        } else if( format.isUriOfType(typeURI, UriType.EXTENSION)) {
            Set<URI> furis = ServiceBrowser.fr.getUrisForExtension(fmt.getExtensions().iterator().next());
            turis.addAll(furis);
        } else {
            // Aliases:
            for( URI uri : fmt.getAliases() ) {
                turis.add(uri);
            }
        }
        return new ArrayList<URI>(turis);
    }

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Related Classes of eu.planets_project.ifr.core.techreg.formats.Format

eu.planets_project.pp.plato.services.action.planets.PlanetsServiceRegistry

eu.planets_project.tb.gui.backing.exp.ExpTypeIdentify$FormatResultBean

eu.planets_project.tb.gui.backing.service.ServiceRecordBean

eu.planets_project.tb.gui.backing.ServiceBrowser

eu.planets_project.tb.impl.services.mockups.workflow.MigrateWorkflow

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