/*
* Sonatype Nexus (TM) Open Source Version
* Copyright (c) 2007-2014 Sonatype, Inc.
* All rights reserved. Includes the third-party code listed at http://links.sonatype.com/products/nexus/oss/attributions.
*
* This program and the accompanying materials are made available under the terms of the Eclipse Public License Version 1.0,
* which accompanies this distribution and is available at http://www.eclipse.org/legal/epl-v10.html.
*
* Sonatype Nexus (TM) Professional Version is available from Sonatype, Inc. "Sonatype" and "Sonatype Nexus" are trademarks
* of Sonatype, Inc. Apache Maven is a trademark of the Apache Software Foundation. M2eclipse is a trademark of the
* Eclipse Foundation. All other trademarks are the property of their respective owners.
*/
package org.sonatype.nexus.capability.validator;
import java.util.List;
import java.util.Map;
import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Provider;
import org.sonatype.nexus.capability.CapabilityDescriptorRegistry;
import org.sonatype.nexus.capability.CapabilityType;
import org.sonatype.nexus.capability.ValidationResult;
import org.sonatype.nexus.capability.Validator;
import org.sonatype.nexus.capability.support.ValidatorSupport;
import org.sonatype.nexus.capability.support.validator.Validators;
import org.sonatype.nexus.formfields.FormField;
import com.google.common.collect.Lists;
import com.google.inject.assistedinject.Assisted;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* A {@link Validator} that ensures that constraints expressed by descriptor fields are satisfied.
*
* @since capabilities 2.0
*/
@Named
public class DescriptorConstraintsValidator
extends ValidatorSupport
implements Validator
{
private final Validator validator;
@Inject
DescriptorConstraintsValidator(final Validators validators,
final Provider<CapabilityDescriptorRegistry> capabilityDescriptorRegistryProvider,
final @Assisted CapabilityType type)
{
super(capabilityDescriptorRegistryProvider, type);
checkNotNull(validators);
Validator descriptorValidator = validators.capability().alwaysValid();
final List<FormField> formFields = capabilityDescriptor().formFields();
if (formFields != null) {
final List<Validator> fieldValidators = Lists.newArrayList();
for (final FormField formField : formFields) {
if (formField.isRequired()) {
fieldValidators.add(validators.capability().required(type, formField.getId()));
}
final String regexp = formField.getRegexValidation();
if (regexp != null && regexp.trim().length() > 0) {
fieldValidators.add(validators.capability().matches(type, formField.getId(), regexp));
}
}
if (!fieldValidators.isEmpty()) {
descriptorValidator = validators.logical().and(
fieldValidators.toArray(new Validator[fieldValidators.size()])
);
}
}
validator = descriptorValidator;
}
@Override
public ValidationResult validate(final Map<String, String> properties) {
return validator.validate(properties);
}
@Override
public String explainValid() {
return validator.explainValid();
}
@Override
public String explainInvalid() {
return validator.explainInvalid();
}
}