+++ /dev/null
-package org.argeo.jcr.xml;
-
-import java.io.IOException;
-import java.io.Writer;
-import java.util.Map;
-import java.util.TreeMap;
-
-import javax.jcr.Node;
-import javax.jcr.NodeIterator;
-import javax.jcr.Property;
-import javax.jcr.PropertyIterator;
-import javax.jcr.RepositoryException;
-import javax.jcr.Value;
-import javax.jcr.nodetype.NodeType;
-
-import org.argeo.jcr.Jcr;
-
-/** Utilities around JCR and XML. */
-public class JcrXmlUtils {
- /**
- * Convenience method calling {@link #toXmlElements(Writer, Node, boolean)} with
- * <code>false</code>.
- */
- public static void toXmlElements(Writer writer, Node node) throws RepositoryException, IOException {
- toXmlElements(writer, node, null, false, false, false);
- }
-
- /**
- * Write JCR properties as XML elements in a tree structure whose elements are
- * named by node primary type.
- *
- * @param writer the writer to use
- * @param node the subtree
- * @param depth maximal depth, or if <code>null</code> the whole
- * subtree. It must be positive, with depth 0
- * describing just the node without its children.
- * @param withMetadata whether to write the primary type and mixins as
- * elements
- * @param withPrefix whether to keep the namespace prefixes
- * @param propertiesAsElements whether single properties should be written as
- * elements rather than attributes. If
- * <code>false</code>, multiple properties will be
- * skipped.
- */
- public static void toXmlElements(Writer writer, Node node, Integer depth, boolean withMetadata, boolean withPrefix,
- boolean propertiesAsElements) throws RepositoryException, IOException {
- if (depth != null && depth < 0)
- throw new IllegalArgumentException("Depth " + depth + " is negative.");
-
- if (node.getName().equals(Jcr.JCR_XMLTEXT)) {
- writer.write(node.getProperty(Jcr.JCR_XMLCHARACTERS).getString());
- return;
- }
-
- if (!propertiesAsElements) {
- Map<String, String> attrs = new TreeMap<>();
- PropertyIterator pit = node.getProperties();
- properties: while (pit.hasNext()) {
- Property p = pit.nextProperty();
- if (!p.isMultiple()) {
- String pName = p.getName();
- if (!withMetadata && (pName.equals(Jcr.JCR_PRIMARY_TYPE) || pName.equals(Jcr.JCR_UUID)
- || pName.equals(Jcr.JCR_CREATED) || pName.equals(Jcr.JCR_CREATED_BY)
- || pName.equals(Jcr.JCR_LAST_MODIFIED) || pName.equals(Jcr.JCR_LAST_MODIFIED_BY)))
- continue properties;
- attrs.put(withPrefix(p.getName(), withPrefix), p.getString());
- }
- }
- if (withMetadata && node.hasProperty(Property.JCR_UUID))
- attrs.put("id", "urn:uuid:" + node.getProperty(Property.JCR_UUID).getString());
- attrs.put(withPrefix ? Jcr.JCR_NAME : "name", node.getName());
- writeStart(writer, withPrefix(node.getPrimaryNodeType().getName(), withPrefix), attrs, node.hasNodes());
- } else {
- if (withMetadata && node.hasProperty(Property.JCR_UUID)) {
- writeStart(writer, withPrefix(node.getPrimaryNodeType().getName(), withPrefix), "id",
- "urn:uuid:" + node.getProperty(Property.JCR_UUID).getString());
- } else {
- writeStart(writer, withPrefix(node.getPrimaryNodeType().getName(), withPrefix));
- }
- // name
- writeStart(writer, withPrefix ? Jcr.JCR_NAME : "name");
- writer.append(node.getName());
- writeEnd(writer, withPrefix ? Jcr.JCR_NAME : "name");
- }
-
- // mixins
- if (withMetadata) {
- for (NodeType mixin : node.getMixinNodeTypes()) {
- writeStart(writer, withPrefix ? Jcr.JCR_MIXIN_TYPES : "mixinTypes");
- writer.append(mixin.getName());
- writeEnd(writer, withPrefix ? Jcr.JCR_MIXIN_TYPES : "mixinTypes");
- }
- }
-
- // properties as elements
- if (propertiesAsElements) {
- PropertyIterator pit = node.getProperties();
- properties: while (pit.hasNext()) {
- Property p = pit.nextProperty();
- if (p.isMultiple()) {
- for (Value value : p.getValues()) {
- writeStart(writer, withPrefix(p.getName(), withPrefix));
- writer.write(value.getString());
- writeEnd(writer, withPrefix(p.getName(), withPrefix));
- }
- } else {
- Value value = p.getValue();
- String pName = p.getName();
- if (!withMetadata && (pName.equals(Jcr.JCR_PRIMARY_TYPE) || pName.equals(Jcr.JCR_UUID)
- || pName.equals(Jcr.JCR_CREATED) || pName.equals(Jcr.JCR_CREATED_BY)
- || pName.equals(Jcr.JCR_LAST_MODIFIED) || pName.equals(Jcr.JCR_LAST_MODIFIED_BY)))
- continue properties;
- writeStart(writer, withPrefix(p.getName(), withPrefix));
- writer.write(value.getString());
- writeEnd(writer, withPrefix(p.getName(), withPrefix));
- }
- }
- }
-
- // children
- if (node.hasNodes()) {
- if (depth == null || depth > 0) {
- NodeIterator nit = node.getNodes();
- while (nit.hasNext()) {
- toXmlElements(writer, nit.nextNode(), depth == null ? null : depth - 1, withMetadata, withPrefix,
- propertiesAsElements);
- }
- }
- writeEnd(writer, withPrefix(node.getPrimaryNodeType().getName(), withPrefix));
- }
- }
-
- private static String withPrefix(String str, boolean withPrefix) {
- if (withPrefix)
- return str;
- int index = str.indexOf(':');
- if (index < 0)
- return str;
- return str.substring(index + 1);
- }
-
- private static void writeStart(Writer writer, String tagName) throws IOException {
- writer.append('<');
- writer.append(tagName);
- writer.append('>');
- }
-
- private static void writeStart(Writer writer, String tagName, String attr, String value) throws IOException {
- writer.append('<');
- writer.append(tagName);
- writer.append(' ');
- writer.append(attr);
- writer.append("=\"");
- writer.append(value);
- writer.append("\">");
- }
-
- private static void writeStart(Writer writer, String tagName, Map<String, String> attrs, boolean hasChildren)
- throws IOException {
- writer.append('<');
- writer.append(tagName);
- for (String attr : attrs.keySet()) {
- writer.append(' ');
- writer.append(attr);
- writer.append("=\"");
- writer.append(attrs.get(attr));
- writer.append('\"');
- }
- if (hasChildren)
- writer.append('>');
- else
- writer.append("/>");
- }
-
- private static void writeEnd(Writer writer, String tagName) throws IOException {
- writer.append("</");
- writer.append(tagName);
- writer.append('>');
- }
-
- /** Singleton. */
- private JcrXmlUtils() {
-
- }
-
-}
projects / lgpl / argeo-commons.git / blobdiff