org.modeshape.jcr.api.AnonymousCredentials Maven / Gradle / Ivy
/*
* ModeShape (http://www.modeshape.org)
*
* 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
*
* http://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.modeshape.jcr.api;
import java.util.HashMap;
import java.util.Map;
import javax.jcr.Credentials;
/**
* A {@link Credentials} implementation that can be used to represent anonymous users when ModeShape is configured to allow
* anonymous users.
*
* Note that this implementation supports attributes.
*/
public class AnonymousCredentials implements Credentials {
private static final long serialVersionUID = 1L;
private final Map attributes = new HashMap();
/**
* Create a new instance of the anonymous credentials.
*/
public AnonymousCredentials() {
}
/**
* Create a new instance of the anonymous credentials, with the supplied attributes.
*
* @param attributeName the name of the attribute; may not be null
* @param attributeValue the value of the attribute
*/
public AnonymousCredentials( String attributeName,
Object attributeValue ) {
setAttribute(attributeName, attributeValue);
}
/**
* Create a new instance of the anonymous credentials, with the supplied attributes.
*
* @param attribute1Name the name of the attribute; may not be null
* @param attribute1Value the value of the attribute
* @param attribute2Name the name of the attribute; may not be null
* @param attribute2Value the value of the attribute
*/
public AnonymousCredentials( String attribute1Name,
Object attribute1Value,
String attribute2Name,
Object attribute2Value ) {
setAttribute(attribute1Name, attribute1Value);
setAttribute(attribute2Name, attribute2Value);
}
/**
* Create a new instance of the anonymous credentials, with the supplied attributes.
*
* @param attribute1Name the name of the attribute; may not be null
* @param attribute1Value the value of the attribute
* @param attribute2Name the name of the attribute; may not be null
* @param attribute2Value the value of the attribute
* @param attribute3Name the name of the attribute; may not be null
* @param attribute3Value the value of the attribute
*/
public AnonymousCredentials( String attribute1Name,
Object attribute1Value,
String attribute2Name,
Object attribute2Value,
String attribute3Name,
Object attribute3Value ) {
setAttribute(attribute1Name, attribute1Value);
setAttribute(attribute2Name, attribute2Value);
setAttribute(attribute3Name, attribute3Value);
}
/**
* Stores an attribute in this credentials instance.
*
* @param name a String specifying the name of the attribute
* @param value the Object to be stored
*/
public void setAttribute( String name,
Object value ) {
// name cannot be null
if (name == null) {
throw new IllegalArgumentException("name cannot be null");
}
// null value is the same as removeAttribute()
if (value == null) {
removeAttribute(name);
return;
}
synchronized (attributes) {
attributes.put(name, value);
}
}
/**
* Returns the value of the named attribute as an Object, or null if no attribute of the given name
* exists.
*
* @param name a String specifying the name of the attribute
* @return an Object containing the value of the attribute, or null if the attribute does not exist
*/
public Object getAttribute( String name ) {
synchronized (attributes) {
return (attributes.get(name));
}
}
/**
* Removes an attribute from this credentials instance.
*
* @param name a String specifying the name of the attribute to remove
*/
public void removeAttribute( String name ) {
synchronized (attributes) {
attributes.remove(name);
}
}
/**
* Returns the names of the attributes available to this credentials instance. This method returns an empty array if the
* credentials instance has no attributes available to it.
*
* @return a string array containing the names of the stored attributes
*/
public String[] getAttributeNames() {
synchronized (attributes) {
return attributes.keySet().toArray(new String[attributes.keySet().size()]);
}
}
/**
* @return attributes
*/
public Map getAttributes() {
synchronized (attributes) {
return new HashMap(attributes);
}
}
}