+++ /dev/null
-package org.argeo.maintenance.backup;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.Writer;
-import java.util.Arrays;
-import java.util.Base64;
-import java.util.Set;
-import java.util.TreeSet;
-
-import javax.jcr.Binary;
-import javax.jcr.Node;
-import javax.jcr.RepositoryException;
-import javax.jcr.Session;
-
-import org.apache.commons.io.IOUtils;
-import org.argeo.jcr.Jcr;
-import org.argeo.jcr.JcrException;
-import org.xml.sax.Attributes;
-import org.xml.sax.SAXException;
-import org.xml.sax.helpers.DefaultHandler;
-
-/** XML handler serialising a JCR system view. */
-public class BackupContentHandler extends DefaultHandler {
- final static int MAX_DEPTH = 1024;
- final static String SV_NAMESPACE_URI = "http://www.jcp.org/jcr/sv/1.0";
- final static String SV_PREFIX = "sv";
- // elements
- final static String NODE = "node";
- final static String PROPERTY = "property";
- final static String VALUE = "value";
- // attributes
- final static String NAME = "name";
- final static String MULTIPLE = "multiple";
- final static String TYPE = "type";
-
- // values
- final static String BINARY = "Binary";
- final static String JCR_CONTENT = "jcr:content";
-
- private Writer out;
- private Session session;
- private Set<String> contentPaths = new TreeSet<>();
-
- boolean prettyPrint = true;
-
- private final String parentPath;
-
-// private boolean inSystem = false;
-
- public BackupContentHandler(Writer out, Node node) {
- super();
- this.out = out;
- this.session = Jcr.getSession(node);
- parentPath = Jcr.getParentPath(node);
- }
-
- private int currentDepth = -1;
- private String[] currentPath = new String[MAX_DEPTH];
-
- private boolean currentPropertyIsMultiple = false;
- private String currentEncoded = null;
- private Base64.Encoder base64encore = Base64.getEncoder();
-
- @Override
- public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
- boolean isNode;
- boolean isProperty;
- switch (localName) {
- case NODE:
- isNode = true;
- isProperty = false;
- break;
- case PROPERTY:
- isNode = false;
- isProperty = true;
- break;
- default:
- isNode = false;
- isProperty = false;
- }
-
- if (isNode) {
- String nodeName = attributes.getValue(SV_NAMESPACE_URI, NAME);
- currentDepth = currentDepth + 1;
-// if (currentDepth >= 0)
- currentPath[currentDepth] = nodeName;
-// System.out.println(getCurrentPath() + " , depth=" + currentDepth);
-// if ("jcr:system".equals(nodeName)) {
-// inSystem = true;
-// }
- }
-// if (inSystem)
-// return;
-
- if (SV_NAMESPACE_URI.equals(uri))
- try {
- if (prettyPrint) {
- if (isNode) {
- out.write(spaces());
- out.write("<!-- ");
- out.write(getCurrentJcrPath());
- out.write(" -->\n");
- out.write(spaces());
- } else if (isProperty)
- out.write(spaces());
- else if (currentPropertyIsMultiple)
- out.write(spaces());
- }
-
- out.write("<");
- out.write(SV_PREFIX + ":" + localName);
- if (isProperty)
- currentPropertyIsMultiple = false; // always reset
- for (int i = 0; i < attributes.getLength(); i++) {
- String ns = attributes.getURI(i);
- if (SV_NAMESPACE_URI.equals(ns)) {
- String attrName = attributes.getLocalName(i);
- String attrValue = attributes.getValue(i);
- out.write(" ");
- out.write(SV_PREFIX + ":" + attrName);
- out.write("=");
- out.write("\"");
- out.write(attrValue);
- out.write("\"");
- if (isProperty) {
- if (MULTIPLE.equals(attrName))
- currentPropertyIsMultiple = Boolean.parseBoolean(attrValue);
- else if (TYPE.equals(attrName)) {
- if (BINARY.equals(attrValue)) {
- if (JCR_CONTENT.equals(getCurrentName())) {
- contentPaths.add(getCurrentJcrPath());
- } else {
- Binary binary = session.getNode(getCurrentJcrPath()).getProperty(attrName)
- .getBinary();
- try (InputStream in = binary.getStream()) {
- currentEncoded = base64encore.encodeToString(IOUtils.toByteArray(in));
- } finally {
-
- }
- }
- }
- }
- }
- }
- }
- if (isNode && currentDepth == 0) {
- // out.write(" xmlns=\"" + SV_NAMESPACE_URI + "\"");
- out.write(" xmlns:" + SV_PREFIX + "=\"" + SV_NAMESPACE_URI + "\"");
- }
- out.write(">");
-
- if (prettyPrint)
- if (isNode)
- out.write("\n");
- else if (isProperty && currentPropertyIsMultiple)
- out.write("\n");
- } catch (IOException e) {
- throw new RuntimeException(e);
- } catch (RepositoryException e) {
- throw new JcrException(e);
- }
- }
-
- @Override
- public void endElement(String uri, String localName, String qName) throws SAXException {
- boolean isNode = localName.equals(NODE);
- boolean isValue = localName.equals(VALUE);
- if (prettyPrint)
- if (!isValue)
- try {
- if (isNode || currentPropertyIsMultiple)
- out.write(spaces());
- } catch (IOException e1) {
- throw new RuntimeException(e1);
- }
- if (isNode) {
-// System.out.println("endElement " + getCurrentPath() + " , depth=" + currentDepth);
-// if (currentDepth > 0)
- currentPath[currentDepth] = null;
- currentDepth = currentDepth - 1;
-// if (inSystem) {
-// // System.out.println("Skip " + getCurrentPath()+" ,
-// // currentDepth="+currentDepth);
-// if (currentDepth == 0) {
-// inSystem = false;
-// return;
-// }
-// }
- }
-// if (inSystem)
-// return;
- if (SV_NAMESPACE_URI.equals(uri))
- try {
- if (isValue && currentEncoded != null) {
- out.write(currentEncoded);
- }
- currentEncoded = null;
- out.write("</");
- out.write(SV_PREFIX + ":" + localName);
- out.write(">");
- if (prettyPrint)
- if (!isValue)
- out.write("\n");
- else {
- if (currentPropertyIsMultiple)
- out.write("\n");
- }
- if (currentDepth == 0)
- out.flush();
- } catch (IOException e) {
- throw new RuntimeException(e);
- }
-
- }
-
- private char[] spaces() {
- char[] arr = new char[currentDepth];
- Arrays.fill(arr, ' ');
- return arr;
- }
-
- @Override
- public void characters(char[] ch, int start, int length) throws SAXException {
-// if (inSystem)
-// return;
- try {
- out.write(ch, start, length);
- } catch (IOException e) {
- throw new RuntimeException(e);
- }
- }
-
- protected String getCurrentName() {
- assert currentDepth >= 0;
-// if (currentDepth == 0)
-// return "jcr:root";
- return currentPath[currentDepth];
- }
-
- protected String getCurrentJcrPath() {
-// if (currentDepth == 0)
-// return "/";
- StringBuilder sb = new StringBuilder(parentPath.equals("/") ? "" : parentPath);
- for (int i = 0; i <= currentDepth; i++) {
-// if (i != 0)
- sb.append('/');
- sb.append(currentPath[i]);
- }
- return sb.toString();
- }
-
- public Set<String> getContentPaths() {
- return contentPaths;
- }
-
-}
projects / lgpl / argeo-commons.git / blobdiff