org.springframework.ldap.core.LdapAttributes Maven / Gradle / Ivy
/*
* Copyright 2005-2010 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.ldap.core;
import java.net.URI;
import javax.naming.Name;
import javax.naming.NamingEnumeration;
import javax.naming.NamingException;
import javax.naming.directory.Attribute;
import javax.naming.directory.BasicAttributes;
import javax.naming.ldap.LdapName;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.ldap.support.LdapEncoder;
import org.springframework.ldap.support.LdapUtils;
/**
* Extends {@link javax.naming.directory.BasicAttributes} to add specialized support for
* DNs.
*
* While DNs appear to be and can be treated as attributes, they have a special meaning in
* that they define the address to which the object is bound. DNs must conform to special
* formatting rules and are typically required to be handled separately from other
* attributes.
*
* This class makes this distinction between the DN and other attributes prominent and
* apparent.
*
* @author Keith Barlow
*
*/
public class LdapAttributes extends BasicAttributes {
private static final long serialVersionUID = 97903297123869138L;
private static Logger log = LoggerFactory.getLogger(LdapAttributes.class);
private static final String SAFE_CHAR = "[\\p{ASCII}&&[^\\x00\\x0A\\x0D]]"; // Any
// ASCII
// except
// NUL,
// LF, and
// CR
private static final String SAFE_INIT_CHAR = "[\\p{ASCII}&&[^ \\x00\\x0A\\x0D\\x3A\\x3C]]"; // Any
// ASCII
// except
// NUL,
// LF,
// CR,
// SPACE,
// colon,
// and
// less-than
/**
* Distinguished name to which the object is bound.
*/
protected LdapName dn = LdapUtils.emptyLdapName();
/**
* Default constructor.
*/
public LdapAttributes() {
}
/**
* Constructor for specifying whether or not the object is case sensitive.
* @param ignoreCase boolean indicator.
*/
public LdapAttributes(boolean ignoreCase) {
super(ignoreCase);
}
/**
* Returns the distinguished name to which the object is bound.
* @return {@link org.springframework.ldap.core.DistinguishedName} specifying the name
* to which the object is bound.
* @deprecated {@link DistinguishedName and associated classes and methods are
* deprecated as of 2.0}. use {@link #getName()} instead.
*/
public DistinguishedName getDN() {
return new DistinguishedName(this.dn);
}
/**
* Returns the distinguished name to which the object is bound.
* @return {@link LdapName} specifying the name to which the object is bound.
*/
public LdapName getName() {
return LdapUtils.newLdapName(this.dn);
}
/**
* Sets the distinguished name of the object.
* @param dn {@link org.springframework.ldap.core.DistinguishedName} specifying the
* name to which the object is bound.
* @deprecated {@link DistinguishedName and associated classes and methods are
* deprecated as of 2.0}. use {@link #setName(javax.naming.Name)} instead.
*/
public void setDN(DistinguishedName dn) {
this.dn = LdapUtils.newLdapName(dn);
}
public void setName(Name name) {
this.dn = LdapUtils.newLdapName(name);
}
/**
* Returns a string representation of the object in LDIF format.
* @return {@link java.lang.String} formated to RFC2849 LDIF specifications.
*/
public String toString() {
StringBuilder sb = new StringBuilder();
try {
LdapName dn = getName();
if (!dn.toString().matches(SAFE_INIT_CHAR + SAFE_CHAR + "*")) {
sb.append("dn:: " + LdapEncoder.printBase64Binary(dn.toString().getBytes()) + "\n");
}
else {
sb.append("dn: " + getDN() + "\n");
}
NamingEnumeration attributes = getAll();
while (attributes.hasMore()) {
Attribute attribute = attributes.next();
NamingEnumeration values = attribute.getAll();
while (values.hasMore()) {
Object value = values.next();
if (value instanceof String) {
sb.append(attribute.getID() + ": " + (String) value + "\n");
}
else if (value instanceof byte[]) {
sb.append(attribute.getID() + ":: " + LdapEncoder.printBase64Binary((byte[]) value) + "\n");
}
else if (value instanceof URI) {
sb.append(attribute.getID() + ":< " + (URI) value + "\n");
}
else {
sb.append(attribute.getID() + ": " + value + "\n");
}
}
}
}
catch (NamingException ex) {
log.error("Error formating attributes for output.", ex);
sb = new StringBuilder();
}
return sb.toString();
}
}