+++ /dev/null
-package org.argeo.docbook;
-
-import static org.argeo.docbook.DbkType.para;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.nio.file.Files;
-import java.nio.file.Path;
-
-import javax.jcr.ImportUUIDBehavior;
-import javax.jcr.Node;
-import javax.jcr.NodeIterator;
-import javax.jcr.PathNotFoundException;
-import javax.jcr.RepositoryException;
-import javax.jcr.ValueFormatException;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.argeo.entity.EntityType;
-import org.argeo.jcr.Jcr;
-import org.argeo.jcr.JcrException;
-import org.argeo.jcr.JcrUtils;
-import org.argeo.jcr.JcrxApi;
-
-/** Utilities around DocBook. */
-public class DbkUtils {
- private final static Log log = LogFactory.getLog(DbkUtils.class);
-
- /** Get or add a DocBook element. */
- public static Node getOrAddDbk(Node parent, DbkType child) {
- try {
- if (!parent.hasNode(child.get())) {
- return addDbk(parent, child);
- } else {
- return parent.getNode(child.get());
- }
- } catch (RepositoryException e) {
- throw new JcrException("Cannot get or add element " + child.get() + " to " + parent, e);
- }
- }
-
- /** Add a DocBook element to this node. */
- public static Node addDbk(Node parent, DbkType child) {
- try {
- Node node = parent.addNode(child.get(), child.get());
- return node;
- } catch (RepositoryException e) {
- throw new JcrException("Cannot add element " + child.get() + " to " + parent, e);
- }
- }
-
- /** Whether this DocBook element is of this type. */
- public static boolean isDbk(Node node, DbkType type) {
- return Jcr.getName(node).equals(type.get());
- }
-
- /** Whether this node is a DocBook type. */
- public static boolean isDbk(Node node) {
- String name = Jcr.getName(node);
- for (DbkType type : DbkType.values()) {
- if (name.equals(type.get()))
- return true;
- }
- return false;
- }
-
- public static String getTitle(Node node) {
- return JcrxApi.getXmlValue(node, DbkType.title.get());
- }
-
- public static void setTitle(Node node, String txt) {
- Node titleNode = getOrAddDbk(node, DbkType.title);
- JcrxApi.setXmlValue(node, titleNode, txt);
- }
-
- public static Node getMetadata(Node infoContainer) {
- try {
- if (!infoContainer.hasNode(DbkType.info.get()))
- return null;
- Node info = infoContainer.getNode(DbkType.info.get());
- if (!info.hasNode(EntityType.local.get()))
- return null;
- return info.getNode(EntityType.local.get());
- } catch (RepositoryException e) {
- throw new JcrException("Cannot retrieve metadata from " + infoContainer, e);
- }
- }
-
- public static Node getChildByRole(Node parent, String role) {
- try {
- NodeIterator baseSections = parent.getNodes();
- while (baseSections.hasNext()) {
- Node n = baseSections.nextNode();
- String r = Jcr.get(n, DbkAttr.role.name());
- if (r != null && r.equals(role))
- return n;
- }
- return null;
- } catch (RepositoryException e) {
- throw new JcrException("Cannot get child from " + parent + " with role " + role, e);
- }
- }
-
- public static Node addParagraph(Node node, String txt) {
- Node p = addDbk(node, para);
- JcrxApi.setXmlValue(node, p, txt);
- return p;
- }
-
- /**
- * Removes a paragraph if it empty. The sesison is not saved.
- *
- * @return true if the paragraph was empty and it was removed
- */
- public static boolean removeIfEmptyParagraph(Node node) {
- try {
- if (isDbk(node, DbkType.para)) {
- NodeIterator nit = node.getNodes();
- if (!nit.hasNext()) {
- node.remove();
- return true;
- }
- Node first = nit.nextNode();
- if (nit.hasNext())
- return false;
- if (first.getName().equals(Jcr.JCR_XMLTEXT)) {
- String str = Jcr.get(first, Jcr.JCR_XMLCHARACTERS);
- if (str != null && str.trim().equals("")) {
- node.remove();
- return true;
- }
- } else {
- return false;
- }
- }
- return false;
- } catch (RepositoryException e) {
- throw new JcrException("Cannot remove possibly empty paragraph", e);
- }
- }
-
- public static Node insertImageAfter(Node sibling) {
- try {
-
- Node parent = sibling.getParent();
- Node mediaNode = addDbk(parent, DbkType.mediaobject);
- // TODO optimise?
- parent.orderBefore(mediaNode.getName() + "[" + mediaNode.getIndex() + "]",
- sibling.getName() + "[" + sibling.getIndex() + "]");
- parent.orderBefore(sibling.getName() + "[" + sibling.getIndex() + "]",
- mediaNode.getName() + "[" + mediaNode.getIndex() + "]");
-
- Node imageNode = addDbk(mediaNode, DbkType.imageobject);
- Node imageDataNode = addDbk(imageNode, DbkType.imagedata);
-// Node infoNode = imageNode.addNode(DocBookTypes.INFO, DocBookTypes.INFO);
-// Node fileNode = JcrUtils.copyBytesAsFile(mediaFolder, EntityType.box.get(), new byte[0]);
-// fileNode.addMixin(EntityType.box.get());
-// fileNode.setProperty(EntityNames.SVG_WIDTH, 0);
-// fileNode.setProperty(EntityNames.SVG_LENGTH, 0);
-// fileNode.addMixin(NodeType.MIX_MIMETYPE);
-//
-// // we assume this is a folder next to the main DocBook document
-// // TODO make it more robust and generic
-// String fileRef = mediaNode.getName();
-// imageDataNode.setProperty(DocBookNames.DBK_FILEREF, fileRef);
- return mediaNode;
- } catch (RepositoryException e) {
- throw new JcrException("Cannot insert empty image after " + sibling, e);
- }
- }
-
- public static Node insertVideoAfter(Node sibling) {
- try {
-
- Node parent = sibling.getParent();
- Node mediaNode = addDbk(parent, DbkType.mediaobject);
- // TODO optimise?
- parent.orderBefore(mediaNode.getName() + "[" + mediaNode.getIndex() + "]",
- sibling.getName() + "[" + sibling.getIndex() + "]");
- parent.orderBefore(sibling.getName() + "[" + sibling.getIndex() + "]",
- mediaNode.getName() + "[" + mediaNode.getIndex() + "]");
-
- Node videoNode = addDbk(mediaNode, DbkType.videoobject);
- Node videoDataNode = addDbk(videoNode, DbkType.videodata);
- return mediaNode;
- } catch (RepositoryException e) {
- throw new JcrException("Cannot insert empty image after " + sibling, e);
- }
- }
-
- public static String getMediaFileref(Node node) {
- try {
- Node mediadata;
- if (node.hasNode(DbkType.imageobject.get())) {
- mediadata = node.getNode(DbkType.imageobject.get()).getNode(DbkType.imagedata.get());
- } else if (node.hasNode(DbkType.videoobject.get())) {
- mediadata = node.getNode(DbkType.videoobject.get()).getNode(DbkType.videodata.get());
- } else {
- throw new IllegalArgumentException("Fileref not found in " + node);
- }
-
- if (mediadata.hasProperty(DbkAttr.fileref.name())) {
- return mediadata.getProperty(DbkAttr.fileref.name()).getString();
- } else {
- return null;
- }
- } catch (RepositoryException e) {
- throw new JcrException("Cannot retrieve file ref from " + node, e);
- }
- }
-
- public static void exportXml(Node node, OutputStream out) throws IOException {
- try {
- node.getSession().exportDocumentView(node.getPath(), out, false, false);
- } catch (RepositoryException e) {
- throw new JcrException("Cannot export " + node + " to XML", e);
- }
- }
-
- public static void exportToFs(Node baseNode, DbkType type, Path directory) {
- String fileName = Jcr.getName(baseNode) + ".dbk.xml";
- Path filePath = directory.resolve(fileName);
- Node docBookNode = Jcr.getNode(baseNode, type.get());
- if (docBookNode == null)
- throw new IllegalArgumentException("No " + type.get() + " under " + baseNode);
- try {
- Files.createDirectories(directory);
- try (OutputStream out = Files.newOutputStream(filePath)) {
- exportXml(docBookNode, out);
- }
- JcrUtils.copyFilesToFs(baseNode, directory, true);
- if (log.isDebugEnabled())
- log.debug("DocBook " + baseNode + " exported to " + filePath.toAbsolutePath());
- } catch (IOException e) {
- throw new RuntimeException(e);
- }
- }
-
- public static void importXml(Node baseNode, InputStream in) throws IOException {
- try {
- baseNode.getSession().importXML(baseNode.getPath(), in,
- ImportUUIDBehavior.IMPORT_UUID_COLLISION_REPLACE_EXISTING);
- } catch (RepositoryException e) {
- throw new JcrException("Cannot import XML to " + baseNode, e);
- }
-
- }
-
- /** Singleton. */
- private DbkUtils() {
- }
-
-}
projects / gpl / argeo-suite.git / blobdiff