javax.naming.directory.DirContext#REMOVE_ATTRIBUTE源码实例Demo

下面列出了javax.naming.directory.DirContext#REMOVE_ATTRIBUTE 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： MaxKey 文件： Group2Ldap.java

@Override
public boolean deleteMember(GroupMember groupMember)  throws Exception{
	try {
		SearchControls constraints = new SearchControls();
		constraints.setSearchScope(ldapUtils.getSearchScope());
		NamingEnumeration<SearchResult> results = ldapUtils.getConnection()
				.search(ldapUtils.getBaseDN(), "(cn="+groupMember.getGroupName()+")", constraints);
		if (results == null || !results.hasMore()) {
			return true;
		}
		
		String uniqueMember="uid="+groupMember.getMemberName()+",dc=users,"+ldapUtils.getBaseDN();
		ModificationItem[] modificationItems = new ModificationItem[1];
		modificationItems[0]=new ModificationItem(DirContext.REMOVE_ATTRIBUTE,new BasicAttribute("uniqueMember",uniqueMember));
		
		String dn="cn="+groupMember.getGroupName()+",dc=groups,"+ldapUtils.getBaseDN();
		logger.debug("dn : "+dn);
		logger.debug("uniqueMember : "+uniqueMember);
		ldapUtils.getCtx().modifyAttributes(dn, modificationItems);
		ldapUtils.close();
	} catch (NamingException e) {
		e.printStackTrace();
	}
	return true;
}

源代码2 项目： carbon-identity 文件： ApacheKDCServer.java

private void enableKerberoseSchema() throws DirectoryServerException {
    // check if krb5kdc is disabled
    Attributes krb5kdcAttrs;
    try {
        krb5kdcAttrs = schemaRoot.getAttributes("cn=Krb5kdc");

        boolean isKrb5KdcDisabled = false;
        if (krb5kdcAttrs.get("m-disabled") != null) {
            isKrb5KdcDisabled = "TRUE".equalsIgnoreCase((String) krb5kdcAttrs.get("m-disabled").get());
        }

        // if krb5kdc is disabled then enable it
        if (isKrb5KdcDisabled) {
            Attribute disabled = new BasicAttribute("m-disabled");
            ModificationItem[] mods =
                    new ModificationItem[]{new ModificationItem(
                            DirContext.REMOVE_ATTRIBUTE, disabled)};
            schemaRoot.modifyAttributes("cn=Krb5kdc", mods);
        }
    } catch (NamingException e) {
        String msg = "An error occurred while enabling Kerberos schema.";
        logger.error(msg, e);
        throw new DirectoryServerException(msg, e);
    }
}

源代码3 项目： spring-ldap 文件： ModifyAttributesOperationRecorderTest.java

@Test
public void testGetCompensatingModificationItem_RemoveFullExistingAttribute()
        throws NamingException {
    BasicAttribute attribute = new BasicAttribute("someattr");
    attribute.add("value1");
    attribute.add("value2");
    Attributes attributes = new BasicAttributes();
    attributes.put(attribute);

    ModificationItem originalItem = new ModificationItem(
            DirContext.REMOVE_ATTRIBUTE, new BasicAttribute("someattr"));

    // Perform test
    ModificationItem result = tested.getCompensatingModificationItem(
            attributes, originalItem);

    // Verify result
    assertThat(result.getModificationOp()).isEqualTo(DirContext.ADD_ATTRIBUTE);
    Attribute resultAttribute = result.getAttribute();
    assertThat(resultAttribute.getID()).isEqualTo("someattr");
    Object object = resultAttribute.get(0);
    assertThat(object).isEqualTo("value1");
    assertThat(resultAttribute.get(1)).isEqualTo("value2");
}

源代码4 项目： MyVirtualDirectory 文件： ServerEntryUtils.java

/**
 * Convert a ModificationItem to an instance of a ServerModification object
 *
 * @param modificationImpl the modification instance to convert
 * @param attributeType the associated attributeType
 * @return a instance of a ServerModification object
 */
private static Modification toServerModification( ModificationItem modificationImpl, AttributeType attributeType )
    throws LdapException
{
    ModificationOperation operation;

    switch ( modificationImpl.getModificationOp() )
    {
        case DirContext.REMOVE_ATTRIBUTE:
            operation = ModificationOperation.REMOVE_ATTRIBUTE;
            break;

        case DirContext.REPLACE_ATTRIBUTE:
            operation = ModificationOperation.REPLACE_ATTRIBUTE;
            break;

        case DirContext.ADD_ATTRIBUTE:
        default:
            operation = ModificationOperation.ADD_ATTRIBUTE;
            break;

    }

    Modification modification = new DefaultModification(
        operation,
        ServerEntryUtils.toServerAttribute( modificationImpl.getAttribute(), attributeType ) );

    return modification;

}

源代码5 项目： MyVirtualDirectory 文件： ServerEntryUtils.java

/**
 * Convert a ModificationItem to an instance of a ServerModification object
 *
 * @param modificationImpl the modification instance to convert
 * @param attributeType the associated attributeType
 * @return a instance of a ServerModification object
 */
private static Modification toServerModification( ModificationItem modificationImpl, AttributeType attributeType )
    throws LdapException
{
    ModificationOperation operation;

    switch ( modificationImpl.getModificationOp() )
    {
        case DirContext.REMOVE_ATTRIBUTE:
            operation = ModificationOperation.REMOVE_ATTRIBUTE;
            break;

        case DirContext.REPLACE_ATTRIBUTE:
            operation = ModificationOperation.REPLACE_ATTRIBUTE;
            break;

        case DirContext.ADD_ATTRIBUTE:
        default:
            operation = ModificationOperation.ADD_ATTRIBUTE;
            break;

    }

    Modification modification = new DefaultModification(
        operation,
        ServerEntryUtils.toServerAttribute( modificationImpl.getAttribute(), attributeType ) );

    return modification;

}

源代码6 项目： MaxKey 文件： Group2Activedirectory.java

@Override
public boolean update(Groups group)  throws Exception{
	logger.info("update");
	try {
		SearchControls constraints = new SearchControls();
		constraints.setSearchScope(ldapUtils.getSearchScope());
		NamingEnumeration<SearchResult> results = ldapUtils.getConnection()
				.search(ldapUtils.getBaseDN(), "(cn="+group.getName()+")", constraints);
		String oldDn="";
		String rdn="";
		if (results == null || !results.hasMore()) {
			return create(group);
		}else{
			SearchResult sr = (SearchResult) results.next();
			oldDn =sr.getNameInNamespace();
			String[] dnSplit=oldDn.split(",");
			rdn=oldDn.substring(oldDn.indexOf(","), oldDn.length());
			
			String groupName=dnSplit[0].split("=")[1];
			if(group.getName()!=groupName){
				String newDn="cn="+group.getName()+","+rdn;
				ldapUtils.getCtx().rename(oldDn, newDn);
				ModificationItem[] modificationItems = new ModificationItem[1];
				modificationItems[0]=new ModificationItem(DirContext.REMOVE_ATTRIBUTE,new BasicAttribute("cn",groupName));
				ldapUtils.getCtx().modifyAttributes(newDn, modificationItems);
			}
		}
		
		ldapUtils.close();
	} catch (NamingException e) {
		e.printStackTrace();
	}
	return true;
}

源代码7 项目： MaxKey 文件： Group2Activedirectory.java

@Override
public boolean deleteMember(GroupMember groupMember)  throws Exception{
	try {
		SearchControls constraints = new SearchControls();
		constraints.setSearchScope(ldapUtils.getSearchScope());
		NamingEnumeration<SearchResult> results = ldapUtils.getConnection()
				.search(ldapUtils.getBaseDN(), "(cn="+groupMember.getGroupName()+")", constraints);
		if (results == null || !results.hasMore()) {
			return true;
		}
		
		String uniqueMember="";
		SearchControls memberSearchControls = new SearchControls();
		memberSearchControls.setSearchScope(ldapUtils.getSearchScope());
		NamingEnumeration<SearchResult> memberResults = ldapUtils.getConnection()
				.search(ldapUtils.getBaseDN(), "(sAMAccountName="+groupMember.getMemberName()+")", memberSearchControls);
		if (memberResults == null || !memberResults.hasMore()) {
			
		}else{
			SearchResult memberSr = (SearchResult) memberResults.next();
			uniqueMember =memberSr.getNameInNamespace();
			logger.debug("uniqueMember : "+uniqueMember);
			ModificationItem[] modificationItems = new ModificationItem[1];
			modificationItems[0]=new ModificationItem(DirContext.REMOVE_ATTRIBUTE,new BasicAttribute("member",uniqueMember));
			
			String dn="cn="+groupMember.getGroupName()+",cn=groups,"+ldapUtils.getBaseDN();
			
			ldapUtils.getCtx().modifyAttributes(dn, modificationItems);
		}

		ldapUtils.close();
	} catch (NamingException e) {
		e.printStackTrace();
	}
	return true;
}

源代码8 项目： MaxKey 文件： Organization2Ldap.java

@Override
public boolean update(Organizations organization)  throws Exception{
	logger.info("update");
		SearchControls constraints = new SearchControls();
		constraints.setSearchScope(ldapUtils.getSearchScope());
		NamingEnumeration<SearchResult> results = ldapUtils.getConnection()
				.search(ldapUtils.getBaseDN(), "(&(objectClass=organizationalUnit)(description="+organization.getId()+"))", constraints);
		String oldDn="";
		String rdn="";
		if (results == null || !results.hasMore()) {
			return create(organization);
		}else{
			SearchResult sr = (SearchResult) results.next();
			oldDn =sr.getNameInNamespace();
			String[] dnSplit=oldDn.split(",");
			rdn=oldDn.substring(oldDn.indexOf(",")+1, oldDn.length());
			
			String ouName=dnSplit[0].split("=")[1];
			if(organization.getName()!=ouName){
				String newDn="ou="+organization.getName()+","+rdn;
				logger.debug("oldDn : "+oldDn);
				logger.debug("newDn : "+newDn);
				ldapUtils.getCtx().rename(oldDn, newDn);
				ModificationItem[] modificationItems = new ModificationItem[1];
				modificationItems[0]=new ModificationItem(DirContext.REMOVE_ATTRIBUTE,new BasicAttribute("ou",ouName));
				//modificationItems[1]=new ModificationItem(DirContext.REPLACE_ATTRIBUTE,new BasicAttribute("name",organization.getName()));
				//modificationItems[2]=new ModificationItem(DirContext.REPLACE_ATTRIBUTE,new BasicAttribute("id",organization.getId()));
				//modificationItems[3]=new ModificationItem(DirContext.REPLACE_ATTRIBUTE,new BasicAttribute("porgname",organization.getpName()));
				//modificationItems[4]=new ModificationItem(DirContext.REPLACE_ATTRIBUTE,new BasicAttribute("porgid",organization.getpId()));
				ldapUtils.getCtx().modifyAttributes(newDn, modificationItems);
			}
		}
		
		ldapUtils.close();
	
	return super.update(organization);
}

源代码9 项目： MaxKey 文件： Group2Ldap.java

@Override
public boolean update(Groups group)  throws Exception{
	logger.info("update");
	try {
		SearchControls constraints = new SearchControls();
		constraints.setSearchScope(ldapUtils.getSearchScope());
		NamingEnumeration<SearchResult> results = ldapUtils.getConnection()
				.search(ldapUtils.getBaseDN(), "(cn="+group.getName()+")", constraints);
		String oldDn="";
		String rdn="";
		if (results == null || !results.hasMore()) {
			return create(group);
		}else{
			SearchResult sr = (SearchResult) results.next();
			oldDn =sr.getNameInNamespace();
			String[] dnSplit=oldDn.split(",");
			rdn=oldDn.substring(oldDn.indexOf(","), oldDn.length());
			
			String groupName=dnSplit[0].split("=")[1];
			if(group.getName()!=groupName){
				String newDn="cn="+group.getName()+","+rdn;
				ldapUtils.getCtx().rename(oldDn, newDn);
				ModificationItem[] modificationItems = new ModificationItem[1];
				modificationItems[0]=new ModificationItem(DirContext.REMOVE_ATTRIBUTE,new BasicAttribute("cn",groupName));
				ldapUtils.getCtx().modifyAttributes(newDn, modificationItems);
			}
		}
		
		ldapUtils.close();
	} catch (NamingException e) {
		e.printStackTrace();
	}
	return true;
}

源代码10 项目： ldapchai 文件： JNDIProviderImpl.java

@LdapOperation
@ModifyOperation
public final void deleteStringAttributeValue( final String entryDN, final String attributeName, final String attributeValue )
        throws ChaiUnavailableException, ChaiOperationException
{
    activityPreCheck();
    getInputValidator().deleteStringAttributeValue( entryDN, attributeName, attributeValue );

    // Create a BasicAttribute for the object.
    final BasicAttribute attributeToReplace = new BasicAttribute( attributeName, attributeValue );

    // Create the ModificationItem
    final ModificationItem[] modificationItem = new ModificationItem[1];

    // Populate the ModificationItem object with the flag & the attribute to replace.
    modificationItem[0] = new ModificationItem( DirContext.REMOVE_ATTRIBUTE, attributeToReplace );

    // Modify the Attributes.
    final LdapContext ldapConnection = getLdapConnection();
    try
    {
        ldapConnection.modifyAttributes( addJndiEscape( entryDN ), modificationItem );
    }
    catch ( NamingException e )
    {
        convertNamingException( e );
    }
}

源代码11 项目： ldapchai 文件： JNDIProviderImpl.java

@LdapOperation
@ModifyOperation
public final void replaceStringAttribute( final String entryDN, final String attributeName, final String oldValue, final String newValue )
        throws ChaiUnavailableException, ChaiOperationException
{
    activityPreCheck();
    getInputValidator().replaceStringAttribute( entryDN, attributeName, oldValue, newValue );

    // Create the ModificationItem
    final ModificationItem[] mods = new ModificationItem[2];

    // Mark the flag to remover the existing attribute.
    mods[0] = new ModificationItem( DirContext.REMOVE_ATTRIBUTE, new BasicAttribute( attributeName, oldValue ) );

    // Mark the flag to add the new attribute
    mods[1] = new ModificationItem( DirContext.ADD_ATTRIBUTE, new BasicAttribute( attributeName, newValue ) );

    // get ldap connection
    final LdapContext ldapConnection = getLdapConnection();

    // Modify the Attributes.
    try
    {
        ldapConnection.modifyAttributes( addJndiEscape( entryDN ), mods );
    }
    catch ( NamingException e )
    {
        convertNamingException( e );
    }
}

源代码12 项目： msf4j 文件： LDAPUserStoreManager.java

public void removeUser(String username, String groupName) throws NamingException {

        try {
            ModificationItem[] mods = new ModificationItem[1];
            Attribute mod = new BasicAttribute("member", getUserDN(username));
            mods[0] = new ModificationItem(DirContext.REMOVE_ATTRIBUTE, mod);
            context.modifyAttributes(getGroupDN(groupName), mods);
        } catch (NoSuchAttributeException e) {
            // If user is not assigned, ignore the error
        }
    }

源代码13 项目： openbd-core 文件： ldapConnection.java

public void modify() throws AttributeModificationException, NamingException{
  //Get a reference to a directory context
  int modType;
  // decode the modification type to one which the context will understand
  switch (modifyType){
    case ldapConnection.MODIFY_REPLACE: // attributes require name=value pairs
      modType = DirContext.REPLACE_ATTRIBUTE;
      break;
    
    case ldapConnection.MODIFY_ADD:
      modType = DirContext.ADD_ATTRIBUTE; // attributes require name=value pairs
      break;

    case ldapConnection.MODIFY_DELETE:
      modType = DirContext.REMOVE_ATTRIBUTE; // attributes require names only
      break;
    default:
      modType = DirContext.REPLACE_ATTRIBUTE;

  }// switch

  DirContext ctx = new InitialDirContext(env);
  Attributes attributes = processAttributes();
  ctx.modifyAttributes(dn, modType, attributes);
  ctx.close();

}

源代码14 项目： iaf 文件： LdapSender.java

private String performOperationChangeUnicodePwd(String entryName, IPipeLineSession session, Map paramValueMap) throws SenderException, ParameterException {
	ModificationItem[] modificationItems = new ModificationItem[2];
	modificationItems[0] = new ModificationItem(
			DirContext.REMOVE_ATTRIBUTE,
			new BasicAttribute("unicodePwd", encodeUnicodePwd(paramValueMap.get("oldPassword"))));
	modificationItems[1] = new ModificationItem(
			DirContext.ADD_ATTRIBUTE,
			new BasicAttribute("unicodePwd", encodeUnicodePwd(paramValueMap.get("newPassword"))));
	DirContext dirContext = null;
	try{
		dirContext = getDirContext(paramValueMap);
		dirContext.modifyAttributes(entryName, modificationItems);
		return DEFAULT_RESULT_CHANGE_UNICODE_PWD_OK;
	} catch(NamingException e) {
		// https://wiki.servicenow.com/index.php?title=LDAP_Error_Codes:
		//   19 LDAP_CONSTRAINT_VIOLATION Indicates that the attribute value specified in a modify, add, or modify DN operation violates constraints placed on the attribute. The constraint can be one of size or content (string only, no binary).
		// AD:
		//   [LDAP: error code 19 - 0000052D: AtrErr: DSID-03191041, #1...
		if(e.getMessage().startsWith("[LDAP: error code 19 - ") ) {
			if (log.isDebugEnabled()) log.debug("Operation [" + getOperation()+ "] old password doesn't match or new password doesn't comply with policy for: " + entryName);
			return DEFAULT_RESULT_CHANGE_UNICODE_PWD_NOK;
		} else {
			storeLdapException(e, session);
			throw new SenderException("Exception in operation [" + getOperation()+ "] entryName ["+entryName+"]", e);
		}
	} finally {
		closeDirContext(dirContext);
	}
}

源代码15 项目： spring-ldap 文件： ModifyAttributesOperationRecorderTest.java

@Test
public void testGetCompensatingModificationItem_RemoveTwoAttributeValues()
        throws NamingException {
    BasicAttribute attribute = new BasicAttribute("someattr");
    attribute.add("value1");
    attribute.add("value2");
    attribute.add("value3");
    Attributes attributes = new BasicAttributes();
    attributes.put(attribute);

    BasicAttribute modificationAttribute = new BasicAttribute("someattr");
    modificationAttribute.add("value1");
    modificationAttribute.add("value2");
    ModificationItem originalItem = new ModificationItem(
            DirContext.REMOVE_ATTRIBUTE, modificationAttribute);

    // Perform test
    ModificationItem result = tested.getCompensatingModificationItem(
            attributes, originalItem);

    // Verify result
    assertThat(result.getModificationOp()).isEqualTo(DirContext.ADD_ATTRIBUTE);
    Attribute resultAttribute = result.getAttribute();
    assertThat(resultAttribute.getID()).isEqualTo("someattr");
    Object object = resultAttribute.get(0);
    assertThat(object).isEqualTo("value1");
    assertThat(resultAttribute.get(1)).isEqualTo("value2");
}

源代码16 项目： scriptella-etl 文件： LdifReader.java

/**
 * Parse a modify change type.
 * <p/>
 * The grammar is : <changerecord> ::= "changetype:" FILL "modify" SEP
 * <mod-spec> <mod-specs-e> <mod-spec> ::= "add:" <mod-val> | "delete:"
 * <mod-val-del> | "replace:" <mod-val> <mod-specs-e> ::= <mod-spec>
 * <mod-specs-e> | e <mod-val> ::= FILL ATTRIBUTE-DESCRIPTION SEP
 * ATTRVAL-SPEC <attrval-specs-e> "-" SEP <mod-val-del> ::= FILL
 * ATTRIBUTE-DESCRIPTION SEP <attrval-specs-e> "-" SEP <attrval-specs-e> ::=
 * ATTRVAL-SPEC <attrval-specs> | e *
 *
 * @param entry The entry to feed
 * @param iter  The lines
 */
private void parseModify(Entry entry, Iterator iter) {
    int state = MOD_SPEC;
    String modified = null;
    int modification = 0;

    // The following flag is used to deal with empty modifications
    boolean isEmptyValue = true;

    while (iter.hasNext()) {
        String line = (String) iter.next();
        String lowerLine = line.toLowerCase();

        if (lowerLine.startsWith("-")) {
            if (state != ATTRVAL_SPEC_OR_SEP) {
                throw new LdifParseException("Bad modify separator", line);
            } else {
                if (isEmptyValue) {
                    // Update the entry
                    entry.addModificationItem(modification, modified, null);
                }

                state = MOD_SPEC;
                isEmptyValue = true;
                continue;
            }
        } else if (lowerLine.startsWith("add:")) {
            if ((state != MOD_SPEC) && (state != ATTRVAL_SPEC)) {
                throw new LdifParseException("Bad modify state", line);
            }

            modified = line.substring("add:".length()).trim();
            modification = DirContext.ADD_ATTRIBUTE;

            state = ATTRVAL_SPEC;
        } else if (lowerLine.startsWith("delete:")) {
            if ((state != MOD_SPEC) && (state != ATTRVAL_SPEC)) {
                throw new LdifParseException("Bad modify state", line);
            }

            modified = line.substring("delete:".length()).trim();
            modification = DirContext.REMOVE_ATTRIBUTE;

            state = ATTRVAL_SPEC_OR_SEP;
        } else if (lowerLine.startsWith("replace:")) {
            if ((state != MOD_SPEC) && (state != ATTRVAL_SPEC)) {
                throw new LdifParseException("Bad modify state", line);
            }

            modified = line.substring("replace:".length()).trim();
            modification = DirContext.REPLACE_ATTRIBUTE;

            state = ATTRVAL_SPEC_OR_SEP;
        } else {
            if ((state != ATTRVAL_SPEC) && (state != ATTRVAL_SPEC_OR_SEP)) {
                throw new LdifParseException("Bad modify state", line);
            }

            // A standard AttributeType/AttributeValue pair
            int colonIndex = line.indexOf(':');

            String attributeType = line.substring(0, colonIndex);

            if (!attributeType.equals(modified)) {
                throw new LdifParseException("Bad modify attribute", line);
            }

            // We should *not* have a DN twice
            if (attributeType.equals("dn")) {
                throw new LdifParseException("A ldif entry should not have two DN", line);
            }

            Object attributeValue = parseValue(line, colonIndex);

            // Update the entry
            entry.addModificationItem(modification, attributeType, attributeValue);
            isEmptyValue = false;

            state = ATTRVAL_SPEC_OR_SEP;
        }
    }
}

源代码17 项目： scriptella-etl 文件： Entry.java

/**
 * Dumps the modifications
 */
private String dumpModificationItems()
{
    StringBuffer sb = new StringBuffer();

    for (ModificationItem modif : modificationList) {
        sb.append("            Operation: ");

        switch (modif.getModificationOp()) {
            case DirContext.ADD_ATTRIBUTE :
                sb.append("ADD\n");
                break;

            case DirContext.REMOVE_ATTRIBUTE :
                sb.append("REMOVE\n");
                break;

            case DirContext.REPLACE_ATTRIBUTE :
                sb.append("REPLACE \n");
                break;
        }

        Attribute attribute = modif.getAttribute();

        sb.append("                Attribute: ").append(attribute.getID()).append('\n');

        if (attribute.size() != 0) {
            try {
                for (NamingEnumeration values = attribute.getAll(); values.hasMoreElements();) {
                    Object value = values.nextElement();

                    if (value instanceof String) {
                        sb.append("                ").append((String) value).append('\n');
                    } else {
                        sb.append("                ").append(Utils.dumpBytes((byte[]) value)).append('\n');
                    }
                }
            }
            catch (NamingException ne) {
                return "";
            }
        }
    }

    return sb.toString();
}

源代码18 项目： fess 文件： LdapManager.java

protected void modifyDeleteEntry(final List<ModificationItem> modifyList, final String name, final Object value) {
    final Attribute attr = new BasicAttribute(name, value);
    final ModificationItem mod = new ModificationItem(DirContext.REMOVE_ATTRIBUTE, attr);
    modifyList.add(mod);
}

源代码19 项目： spring-ldap 文件： ModifyAttributesOperationRecorder.java

/**
 * Get a ModificationItem to use for rollback of the supplied modification.
 * 
 * @param originalAttributes
 *            All Attributes of the target DN that are affected of any of
 *            the ModificationItems.
 * @param modificationItem
 *            the ModificationItem to create a rollback item for.
 * @return A ModificationItem to use for rollback of the supplied
 *         ModificationItem.
 */
protected ModificationItem getCompensatingModificationItem(
        Attributes originalAttributes, ModificationItem modificationItem) {
    Attribute modificationAttribute = modificationItem.getAttribute();
    Attribute originalAttribute = originalAttributes
            .get(modificationAttribute.getID());

    if (modificationItem.getModificationOp() == DirContext.REMOVE_ATTRIBUTE) {
        if (modificationAttribute.size() == 0) {
            // If the modification attribute size it means that the
            // Attribute should be removed entirely - we should store a
            // ModificationItem to restore all present values for rollback.
            return new ModificationItem(DirContext.ADD_ATTRIBUTE,
                    (Attribute) originalAttribute.clone());
        } else {
            // The rollback modification will be to re-add the removed
            // attribute values.
            return new ModificationItem(DirContext.ADD_ATTRIBUTE,
                    (Attribute) modificationAttribute.clone());
        }
    } else if (modificationItem.getModificationOp() == DirContext.REPLACE_ATTRIBUTE) {
        if (originalAttribute != null) {
            return new ModificationItem(DirContext.REPLACE_ATTRIBUTE,
                    (Attribute) originalAttribute.clone());
        } else {
            // The attribute doesn't previously exist - the rollback
            // operation will be to remove the attribute.
            return new ModificationItem(DirContext.REMOVE_ATTRIBUTE,
                    new BasicAttribute(modificationAttribute.getID()));
        }
    } else {
        // An ADD_ATTRIBUTE operation
        if (originalAttribute == null) {
            // The attribute doesn't previously exist - the rollback
            // operation will be to remove the attribute.
            return new ModificationItem(DirContext.REMOVE_ATTRIBUTE,
                    new BasicAttribute(modificationAttribute.getID()));
        } else {
            // The attribute does exist before - we should store the
            // previous value and it should be used for replacing in
            // rollback.
            return new ModificationItem(DirContext.REPLACE_ATTRIBUTE,
                    (Attribute) originalAttribute.clone());
        }
    }
}

源代码20 项目： keycloak 文件： LDAPOperationManager.java

/**
 * <p>
 * Removes the given {@link Attribute} instance using the given DN. This method performs a REMOVE_ATTRIBUTE
 * operation.
 * </p>
 *
 * @param dn
 * @param attribute
 */
public void removeAttribute(String dn, Attribute attribute) {
    ModificationItem[] mods = new ModificationItem[]{new ModificationItem(DirContext.REMOVE_ATTRIBUTE, attribute)};
    modifyAttributes(dn, mods, null);
}

方法所在类

javax.naming.directory.DirContext