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.lang.StringUtils.substringAfter; import static org.apache.commons.lang3.StringEscapeUtils.unescapeXml; import static org.apache.commons.lang3.exception.ExceptionUtils.getMessage; import cool.pandora.modeller.ModellerClient; import cool.pandora.modeller.ModellerClientFailedException; import cool.pandora.modeller.bag.BagInfoField; import cool.pandora.modeller.bag.impl.DefaultBag; import cool.pandora.modeller.common.uri.FedoraPrefixes; import cool.pandora.modeller.common.uri.IIIFPredicates; import cool.pandora.modeller.common.uri.IIIFPrefixes; import cool.pandora.modeller.templates.CanvasScope; import cool.pandora.modeller.templates.MetadataTemplate; 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.PatchCanvasFrame; import cool.pandora.modeller.ui.util.ApplicationContextUtil; import cool.pandora.modeller.util.ResourceIntegerValue; import cool.pandora.modeller.util.ResourceList; import java.awt.event.ActionEvent; import java.io.InputStream; import java.net.URI; import java.util.ArrayList; import java.util.Arrays; import java.util.Iterator; import java.util.LinkedHashMap; 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 Canvas Handler. * * @author Christopher Johnson */ public class PatchCanvasHandler extends AbstractAction implements Progress { protected static final Logger log = LoggerFactory.getLogger(PatchCanvasHandler.class); private static final long serialVersionUID = 1L; private final BagView bagView; /** * PatchCanvasHandler. * * @param bagView BagView */ public PatchCanvasHandler(final BagView bagView) { super(); this.bagView = bagView; } private static InputStream getCanvasMetadata(final String resourceURI, final String listURI) { final MetadataTemplate metadataTemplate; final List<CanvasScope.Prefix> prefixes = Arrays.asList(new CanvasScope.Prefix(FedoraPrefixes.RDFS), new CanvasScope.Prefix(FedoraPrefixes.MODE), new CanvasScope.Prefix(IIIFPrefixes.SC), new CanvasScope.Prefix(IIIFPrefixes.OA), new CanvasScope.Prefix(IIIFPrefixes.EXIF)); final ResourceIntegerValue resourceHeight = ResourceIntegerValue.init().resourceURI(resourceURI) .resourceProperty(IIIFPredicates.HEIGHT).build(); final int resheight = resourceHeight.render().get(0); final ResourceIntegerValue resourceWidth = ResourceIntegerValue.init().resourceURI(resourceURI) .resourceProperty(IIIFPredicates.WIDTH).build(); final int reswidth = resourceWidth.render().get(0); final String canvasLabel = substringAfter(listURI, "list/"); final CanvasScope scope = new CanvasScope().fedoraPrefixes(prefixes).resourceURI(resourceURI) .listURI(listURI).canvasLabel(canvasLabel).canvasHeight(resheight).canvasWidth(reswidth); metadataTemplate = MetadataTemplate.template().template("template/sparql-update-canvas" + ".mustache") .scope(scope).throwExceptionOnFailure().build(); final String metadata = unescapeXml(metadataTemplate.render()); return IOUtils.toInputStream(metadata, UTF_8); } @Override public void actionPerformed(final ActionEvent e) { } @Override public void execute() { final String message = ApplicationContextUtil.getMessage("bag.message.canvaspatched"); final DefaultBag bag = bagView.getBag(); final Map<String, BagInfoField> map = bag.getInfo().getFieldMap(); final URI resourceContainerURI = IIIFObjectURI.getResourceContainerURI(map); final URI canvasContainerURI = IIIFObjectURI.getCanvasContainerURI(map); final URI ListContainerURI = IIIFObjectURI.getListContainerURI(map); final ResourceList canvasList = new ResourceList(canvasContainerURI); final ArrayList<String> canvasesList = canvasList.getResourceList(); final ResourceList resourceList = new ResourceList(resourceContainerURI); final ArrayList<String> resourcesList = resourceList.getResourceList(); final ResourceList listList = new ResourceList(ListContainerURI); final ArrayList<String> listsList = listList.getResourceList(); final Iterator<String> i1 = canvasesList.iterator(); final Iterator<String> i2 = resourcesList.iterator(); final Iterator<String> i3 = canvasesList.iterator(); final Iterator<String> i4 = listsList.iterator(); final Map<String, String> canvasResourceMap = new LinkedHashMap<>(); final Map<String, String> canvasListMap = new LinkedHashMap<>(); while (i1.hasNext() && i2.hasNext()) { canvasResourceMap.put(i1.next(), i2.next()); } while (i3.hasNext() && i4.hasNext()) { canvasListMap.put(i3.next(), i4.next()); } InputStream rdfBody; for (final String canvasURI : canvasesList) { rdfBody = getCanvasMetadata(canvasResourceMap.get(canvasURI), canvasListMap.get(canvasURI)); final URI destinationURI = URI.create(canvasURI); try { ModellerClient.doPatch(destinationURI, rdfBody); ApplicationContextUtil.addConsoleMessage(message + " " + destinationURI); } catch (final ModellerClientFailedException e) { ApplicationContextUtil.addConsoleMessage(getMessage(e)); } } bagView.getControl().invalidate(); } void openPatchCanvasFrame() { final DefaultBag bag = bagView.getBag(); final PatchCanvasFrame patchCanvasFrame = new PatchCanvasFrame(bagView, bagView.getPropertyMessage("bag.frame.patch.canvas")); patchCanvasFrame.setBag(bag); patchCanvasFrame.setVisible(true); } }