Java tutorial
/* * 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 cool.pandora.modeller.ui.handlers.iiif; import static java.nio.charset.StandardCharsets.UTF_8; import static org.apache.commons.lang3.exception.ExceptionUtils.getMessage; import cool.pandora.modeller.ModellerClient; import cool.pandora.modeller.ModellerClientFailedException; import cool.pandora.modeller.ProfileOptions; import cool.pandora.modeller.bag.BagInfoField; import cool.pandora.modeller.bag.BaggerFileEntity; import cool.pandora.modeller.bag.impl.DefaultBag; import cool.pandora.modeller.common.uri.FedoraPrefixes; import cool.pandora.modeller.common.uri.IIIFPrefixes; import cool.pandora.modeller.templates.MetadataTemplate; import cool.pandora.modeller.templates.ResourceScope; import cool.pandora.modeller.ui.Progress; import cool.pandora.modeller.ui.handlers.common.IIIFObjectURI; import cool.pandora.modeller.ui.jpanel.base.BagView; import cool.pandora.modeller.ui.jpanel.iiif.PatchResourceFrame; import cool.pandora.modeller.ui.util.ApplicationContextUtil; import cool.pandora.modeller.util.ImageIOUtil; import gov.loc.repository.bagit.impl.AbstractBagConstants; import java.awt.Dimension; import java.awt.event.ActionEvent; import java.io.File; import java.io.InputStream; import java.net.URI; import java.nio.file.Path; import java.util.Arrays; import java.util.List; import java.util.Map; import javax.swing.AbstractAction; import org.apache.commons.io.IOUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * Patch Resource Handler. * * @author Christopher Johnson */ public class PatchResourceHandler extends AbstractAction implements Progress { protected static final Logger log = LoggerFactory.getLogger(PatchResourceHandler.class); private static final long serialVersionUID = 1L; private final BagView bagView; /** * PatchResourceHandler. * * @param bagView BagView */ public PatchResourceHandler(final BagView bagView) { super(); this.bagView = bagView; } private static String getDestinationURI(final URI resourceContainer, final String filename) { return resourceContainer.toString() + "/" + filename; } private static InputStream getResourceMetadata(final Map<String, BagInfoField> map, final String filename, final String formatName, final int iw, final int ih) { final MetadataTemplate metadataTemplate; final List<ResourceScope.Prefix> prefixes = Arrays.asList(new ResourceScope.Prefix(FedoraPrefixes.RDFS), new ResourceScope.Prefix(FedoraPrefixes.MODE), new ResourceScope.Prefix(IIIFPrefixes.DC), new ResourceScope.Prefix(IIIFPrefixes.SVCS), new ResourceScope.Prefix(IIIFPrefixes.EXIF), new ResourceScope.Prefix(IIIFPrefixes.DCTYPES)); final ResourceScope scope = new ResourceScope().fedoraPrefixes(prefixes).filename(filename) .serviceURI(getServiceURI(map, filename)).formatName(formatName).imgHeight(ih).imgWidth(iw); metadataTemplate = MetadataTemplate.template().template("template/sparql-update-res" + ".mustache") .scope(scope).throwExceptionOnFailure().build(); final String metadata = metadataTemplate.render(); return IOUtils.toInputStream(metadata, UTF_8); } private static String getServiceURI(final Map<String, BagInfoField> map, final String filename) { final String separator = "_"; final String serviceURI = getMapValue(map, ProfileOptions.IIIF_SERVICE_KEY); final String path = getMapValue(map, ProfileOptions.COLLECTION_ROOT_KEY) + separator + getMapValue(map, ProfileOptions.COLLECTION_ID_KEY) + separator + getMapValue(map, ProfileOptions.OBJEKT_ID_KEY) + separator + getMapValue(map, ProfileOptions.RESOURCE_CONTAINER_KEY) + separator + filename; return serviceURI + path.replace("tif", "jp2"); } private static String getMapValue(final Map<String, BagInfoField> map, final String key) { final BagInfoField IIIFProfileKey = map.get(key); return IIIFProfileKey.getValue(); } @Override public void actionPerformed(final ActionEvent e) { } @Override public void execute() { final String message = ApplicationContextUtil.getMessage("bag.message.resourcepatched"); final DefaultBag bag = bagView.getBag(); final List<String> payload = bag.getPayloadPaths(); final Map<String, BagInfoField> map = bag.getInfo().getFieldMap(); final URI resourceContainer = IIIFObjectURI.getResourceContainerURI(map); final String basePath = AbstractBagConstants.DATA_DIRECTORY; final Path rootDir = bagView.getBagRootPath().toPath(); for (final String filePath : payload) { final String filename = BaggerFileEntity.removeBasePath(basePath, filePath); final String destinationURI = getDestinationURI(resourceContainer, filename); final Path absoluteFilePath = rootDir.resolve(filePath); final File resourceFile = absoluteFilePath.toFile(); String formatName = null; Dimension dim = null; InputStream rdfBody = null; final URI uri = URI.create(destinationURI); try { formatName = ImageIOUtil.getImageMIMEType(resourceFile); } catch (final Exception e) { e.printStackTrace(); } try { dim = ImageIOUtil.getImageDimensions(resourceFile); } catch (final Exception e) { e.printStackTrace(); } if (dim != null) { final double imgWidth = dim.getWidth(); final int iw = (int) imgWidth; final double imgHeight = dim.getHeight(); final int ih = (int) imgHeight; try { rdfBody = getResourceMetadata(map, filename, formatName, iw, ih); } catch (final Exception e) { e.printStackTrace(); } } try { ModellerClient.doPatch(uri, rdfBody); ApplicationContextUtil.addConsoleMessage(message + " " + destinationURI); } catch (final ModellerClientFailedException e) { ApplicationContextUtil.addConsoleMessage(getMessage(e)); } } bagView.getControl().invalidate(); } void openPatchResourceFrame() { final DefaultBag bag = bagView.getBag(); final PatchResourceFrame patchResourcesFrame = new PatchResourceFrame(bagView, bagView.getPropertyMessage("bag" + ".frame.patch")); patchResourcesFrame.setBag(bag); patchResourcesFrame.setVisible(true); } }