org.apache.jackrabbit.oak.spi.security.authentication.credentials.CompositeCredentialsSupport Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.jackrabbit.oak.spi.security.authentication.credentials;
import java.util.Collection;
import java.util.Map;
import java.util.Set;
import java.util.function.Supplier;
import javax.annotation.CheckForNull;
import javax.annotation.Nonnull;
import javax.jcr.Credentials;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import static com.google.common.collect.Sets.newHashSet;
import static com.google.common.collect.Maps.newHashMap;
/**
* Composite implementation of the
* {@link org.apache.jackrabbit.oak.spi.security.authentication.credentials.CredentialsSupport}
* interface that handles multiple providers.
*/
public final class CompositeCredentialsSupport implements CredentialsSupport {
@Nonnull
private final Supplier> credentialSupplier;
private CompositeCredentialsSupport(@Nonnull Supplier> credentialSupplier) {
this.credentialSupplier = credentialSupplier;
}
public static CredentialsSupport newInstance(@Nonnull Supplier> credentialSupplier) {
return new CompositeCredentialsSupport(credentialSupplier);
}
@Override
@Nonnull
public Set getCredentialClasses() {
Collection all = this.credentialSupplier.get();
if (all.isEmpty()) {
return ImmutableSet.of();
} else if (all.size() == 1) {
return all.iterator().next().getCredentialClasses();
} else {
Set classes = newHashSet();
for (CredentialsSupport c : all) {
classes.addAll(c.getCredentialClasses());
}
return classes;
}
}
@Override
@CheckForNull
public String getUserId(@Nonnull Credentials credentials) {
Collection all = this.credentialSupplier.get();
for (CredentialsSupport c : all) {
String userId = c.getUserId(credentials);
if (userId != null) {
return userId;
}
}
return null;
}
@Override
@Nonnull
public Map getAttributes(@Nonnull Credentials credentials) {
Collection all = this.credentialSupplier.get();
if (all.isEmpty()) {
return ImmutableMap.of();
} else if (all.size() == 1) {
return all.iterator().next().getAttributes(credentials);
} else {
Map attrs = newHashMap();
for (CredentialsSupport c : all) {
attrs.putAll(c.getAttributes(credentials));
}
return attrs;
}
}
@Override
public boolean setAttributes(@Nonnull Credentials credentials, @Nonnull Map attributes) {
boolean set = false;
Collection all = this.credentialSupplier.get();
for (CredentialsSupport c : all) {
set = c.setAttributes(credentials, attributes) || set;
}
return set;
}
}