+++ /dev/null
-package org.argeo.jcr;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-
-import javax.jcr.Node;
-import javax.jcr.Property;
-import javax.jcr.RepositoryException;
-import javax.jcr.Value;
-
-/** Uilities around the JCR extensions. */
-public class JcrxApi {
- public final static String MD5 = "MD5";
- public final static String SHA1 = "SHA1";
- public final static String SHA256 = "SHA-256";
- public final static String SHA512 = "SHA-512";
-
- public final static String EMPTY_MD5 = "d41d8cd98f00b204e9800998ecf8427e";
- public final static String EMPTY_SHA1 = "da39a3ee5e6b4b0d3255bfef95601890afd80709";
- public final static String EMPTY_SHA256 = "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855";
- public final static String EMPTY_SHA512 = "cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e";
-
- public final static int LENGTH_MD5 = EMPTY_MD5.length();
- public final static int LENGTH_SHA1 = EMPTY_SHA1.length();
- public final static int LENGTH_SHA256 = EMPTY_SHA256.length();
- public final static int LENGTH_SHA512 = EMPTY_SHA512.length();
-
- /*
- * XML
- */
- /**
- * Get the XML text of this child node.
- */
- public static String getXmlValue(Node node, String name) {
- try {
- if (!node.hasNode(name))
- return null;
- Node child = node.getNode(name);
- return getXmlValue(child);
- } catch (RepositoryException e) {
- throw new IllegalStateException("Cannot get " + name + " as XML text", e);
- }
- }
-
- /**
- * Get the XML text of this node.
- */
- public static String getXmlValue(Node node) {
- try {
- if (!node.hasNode(Jcr.JCR_XMLTEXT))
- return null;
- Node xmlText = node.getNode(Jcr.JCR_XMLTEXT);
- if (!xmlText.hasProperty(Jcr.JCR_XMLCHARACTERS))
- throw new IllegalArgumentException(
- "Node " + xmlText + " has no " + Jcr.JCR_XMLCHARACTERS + " property");
- return xmlText.getProperty(Jcr.JCR_XMLCHARACTERS).getString();
- } catch (RepositoryException e) {
- throw new IllegalStateException("Cannot get " + node + " as XML text", e);
- }
- }
-
- /**
- * Set as a subnode which will be exported as an XML element.
- */
- public static void setXmlValue(Node node, String name, String value) {
- try {
- if (node.hasNode(name)) {
- Node child = node.getNode(name);
- setXmlValue(node, child, value);
- } else
- node.addNode(name, JcrxType.JCRX_XMLVALUE).addNode(Jcr.JCR_XMLTEXT, JcrxType.JCRX_XMLTEXT)
- .setProperty(Jcr.JCR_XMLCHARACTERS, value);
- } catch (RepositoryException e) {
- throw new JcrException("Cannot set " + name + " as XML text", e);
- }
- }
-
- public static void setXmlValue(Node node, Node child, String value) {
- try {
- if (!child.hasNode(Jcr.JCR_XMLTEXT))
- child.addNode(Jcr.JCR_XMLTEXT, JcrxType.JCRX_XMLTEXT);
- child.getNode(Jcr.JCR_XMLTEXT).setProperty(Jcr.JCR_XMLCHARACTERS, value);
- } catch (RepositoryException e) {
- throw new JcrException("Cannot set " + child + " as XML text", e);
- }
- }
-
- /**
- * Add a checksum replacing the one which was previously set with the same
- * length.
- */
- public static void addChecksum(Node node, String checksum) {
- try {
- if (!node.hasProperty(JcrxName.JCRX_SUM)) {
- node.setProperty(JcrxName.JCRX_SUM, new String[] { checksum });
- return;
- } else {
- int stringLength = checksum.length();
- Property property = node.getProperty(JcrxName.JCRX_SUM);
- List<Value> values = Arrays.asList(property.getValues());
- Integer indexToRemove = null;
- values: for (int i = 0; i < values.size(); i++) {
- Value value = values.get(i);
- if (value.getString().length() == stringLength) {
- indexToRemove = i;
- break values;
- }
- }
- if (indexToRemove != null)
- values.set(indexToRemove, node.getSession().getValueFactory().createValue(checksum));
- else
- values.add(0, node.getSession().getValueFactory().createValue(checksum));
- property.setValue(values.toArray(new Value[values.size()]));
- }
- } catch (RepositoryException e) {
- throw new JcrException("Cannot set checksum on " + node, e);
- }
- }
-
- /** Replace all checksums. */
- public static void setChecksums(Node node, List<String> checksums) {
- try {
- node.setProperty(JcrxName.JCRX_SUM, checksums.toArray(new String[checksums.size()]));
- } catch (RepositoryException e) {
- throw new JcrException("Cannot set checksums on " + node, e);
- }
- }
-
- /** Replace all checksums. */
- public static List<String> getChecksums(Node node) {
- try {
- List<String> res = new ArrayList<>();
- if (!node.hasProperty(JcrxName.JCRX_SUM))
- return res;
- Property property = node.getProperty(JcrxName.JCRX_SUM);
- for (Value value : property.getValues()) {
- res.add(value.getString());
- }
- return res;
- } catch (RepositoryException e) {
- throw new JcrException("Cannot get checksums from " + node, e);
- }
- }
-
-// /** Replace all checksums with this single one. */
-// public static void setChecksum(Node node, String checksum) {
-// setChecksums(node, Collections.singletonList(checksum));
-// }
-
- /** Retrieves the checksum with this algorithm, or null if not found. */
- public static String getChecksum(Node node, String algorithm) {
- int stringLength;
- switch (algorithm) {
- case MD5:
- stringLength = LENGTH_MD5;
- break;
- case SHA1:
- stringLength = LENGTH_SHA1;
- break;
- case SHA256:
- stringLength = LENGTH_SHA256;
- break;
- case SHA512:
- stringLength = LENGTH_SHA512;
- break;
- default:
- throw new IllegalArgumentException("Unkown algorithm " + algorithm);
- }
- return getChecksum(node, stringLength);
- }
-
- /** Retrieves the checksum with this string length, or null if not found. */
- public static String getChecksum(Node node, int stringLength) {
- try {
- if (!node.hasProperty(JcrxName.JCRX_SUM))
- return null;
- Property property = node.getProperty(JcrxName.JCRX_SUM);
- for (Value value : property.getValues()) {
- String str = value.getString();
- if (str.length() == stringLength)
- return str;
- }
- return null;
- } catch (RepositoryException e) {
- throw new IllegalStateException("Cannot get checksum for " + node, e);
- }
- }
-
-}
projects / lgpl / argeo-commons.git / blobdiff