/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.controller;
import java.util.Locale;
import java.util.ResourceBundle;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
import org.jboss.as.controller.client.helpers.MeasurementUnit;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.controller.descriptions.ResourceDescriptionResolver;
import org.jboss.as.controller.operations.validation.MinMaxValidator;
import org.jboss.as.controller.operations.validation.ParameterValidator;
import org.jboss.as.controller.registry.AttributeAccess;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.ModelType;
/**
* Date: 13.10.2011
*
* @author <a href="mailto:jperkins@redhat.com">James R. Perkins</a>
* @author Richard Achmatowicz (c) 2012 RedHat Inc.
* @author <a href="mailto:tomaz.cerar@redhat.com">Tomaz Cerar</a>
*/
public class SimpleListAttributeDefinition extends ListAttributeDefinition {
private final AttributeDefinition valueType;
protected SimpleListAttributeDefinition(final String name, final String xmlName, final AttributeDefinition valueType, final boolean allowNull, final int minSize, final int maxSize, final String[] alternatives, final String[] requires, AttributeMarshaller attributeMarshaller,final boolean resourceOnly, final DeprecationData deprecated, final AttributeAccess.Flag... flags) {
super(name, xmlName, allowNull, false, minSize, maxSize, valueType.getValidator(), alternatives, requires, attributeMarshaller, resourceOnly, deprecated, flags);
this.valueType = valueType;
}
public AttributeDefinition getValueType() {
return valueType;
}
@Override
public ModelNode addResourceAttributeDescription(ResourceBundle bundle, String prefix, ModelNode resourceDescription) {
final ModelNode result = super.addResourceAttributeDescription(bundle, prefix, resourceDescription);
addValueTypeDescription(result, prefix, bundle);
return result;
}
@Override
public ModelNode addOperationParameterDescription(ResourceBundle bundle, String prefix, ModelNode operationDescription) {
final ModelNode result = super.addOperationParameterDescription(bundle, prefix, operationDescription);
addValueTypeDescription(result, prefix, bundle);
return result;
}
@Override
protected void addValueTypeDescription(final ModelNode node, final ResourceBundle bundle) {
node.get(ModelDescriptionConstants.VALUE_TYPE, valueType.getName()).set(getValueTypeDescription(false));
}
protected void addValueTypeDescription(final ModelNode node, final String prefix, final ResourceBundle bundle) {
final ModelNode valueTypeDesc = getValueTypeDescription(false);
valueTypeDesc.get(ModelDescriptionConstants.DESCRIPTION).set(valueType.getAttributeTextDescription(bundle, prefix));
node.get(ModelDescriptionConstants.VALUE_TYPE, valueType.getName()).set(valueTypeDesc);
}
@Override
protected void addAttributeValueTypeDescription(final ModelNode node, final ResourceDescriptionResolver resolver, final Locale locale, final ResourceBundle bundle) {
final ModelNode valueTypeDesc = getValueTypeDescription(false);
valueTypeDesc.get(ModelDescriptionConstants.DESCRIPTION).set(resolver.getResourceAttributeValueTypeDescription(getName(), locale, bundle, valueType.getName()));
node.get(ModelDescriptionConstants.VALUE_TYPE, valueType.getName()).set(valueTypeDesc);
}
@Override
protected void addOperationParameterValueTypeDescription(final ModelNode node, final String operationName, final ResourceDescriptionResolver resolver, final Locale locale, final ResourceBundle bundle) {
final ModelNode valueTypeDesc = getValueTypeDescription(true);
valueTypeDesc.get(ModelDescriptionConstants.DESCRIPTION).set(resolver.getOperationParameterValueTypeDescription(operationName, getName(), locale, bundle, valueType.getName()));
node.get(ModelDescriptionConstants.VALUE_TYPE, valueType.getName()).set(valueTypeDesc);
}
/**
* Overrides {@link ListAttributeDefinition#convertParameterElementExpressions(ModelNode) the superclass}
* to check that expressions are supported yet the {@code valueType} passed to the constructor is one of
* the {@link #COMPLEX_TYPES complex DMR types}. If it is, an {@link IllegalStateException} is thrown, as this
* implementation cannot properly handle such a combination.
*
* {@inheritDoc}
*
* @throws IllegalStateException if expressions are supported, but the {@code valueType} is {@link #COMPLEX_TYPES complex}
*/
@Override
protected ModelNode convertParameterElementExpressions(ModelNode parameterElement) {
boolean allowExp = isAllowExpression() || valueType.isAllowExpression();
if (allowExp && COMPLEX_TYPES.contains(valueType.getType())) {
// They need to subclass and override
throw new IllegalStateException();
}
return allowExp ? convertStringExpression(parameterElement) : parameterElement;
}
private ModelNode getValueTypeDescription(boolean forOperation) {
final ModelNode result = new ModelNode();
result.get(ModelDescriptionConstants.TYPE).set(valueType.getType());
result.get(ModelDescriptionConstants.DESCRIPTION); // placeholder
result.get(ModelDescriptionConstants.EXPRESSIONS_ALLOWED).set(valueType.isAllowExpression());
if (forOperation) {
result.get(ModelDescriptionConstants.REQUIRED).set(!valueType.isAllowNull());
}
result.get(ModelDescriptionConstants.NILLABLE).set(isAllowNull());
final ModelNode defaultValue = valueType.getDefaultValue();
if (!forOperation && defaultValue != null && defaultValue.isDefined()) {
result.get(ModelDescriptionConstants.DEFAULT).set(defaultValue);
}
MeasurementUnit measurementUnit = valueType.getMeasurementUnit();
if (measurementUnit != null && measurementUnit != MeasurementUnit.NONE) {
result.get(ModelDescriptionConstants.UNIT).set(measurementUnit.getName());
}
final String[] alternatives = valueType.getAlternatives();
if (alternatives != null) {
for (final String alternative : alternatives) {
result.get(ModelDescriptionConstants.ALTERNATIVES).add(alternative);
}
}
final String[] requires = valueType.getRequires();
if (requires != null) {
for (final String required : requires) {
result.get(ModelDescriptionConstants.REQUIRES).add(required);
}
}
final ParameterValidator validator = valueType.getValidator();
if (validator instanceof MinMaxValidator) {
MinMaxValidator minMax = (MinMaxValidator) validator;
Long min = minMax.getMin();
if (min != null) {
switch (valueType.getType()) {
case STRING:
case LIST:
case OBJECT:
case BYTES:
result.get(ModelDescriptionConstants.MIN_LENGTH).set(min);
break;
default:
result.get(ModelDescriptionConstants.MIN).set(min);
}
}
Long max = minMax.getMax();
if (max != null) {
switch (valueType.getType()) {
case STRING:
case LIST:
case OBJECT:
case BYTES:
result.get(ModelDescriptionConstants.MAX_LENGTH).set(max);
break;
default:
result.get(ModelDescriptionConstants.MAX).set(max);
}
}
}
addAllowedValuesToDescription(result, validator);
return result;
}
public static class Builder extends AbstractAttributeDefinitionBuilder<Builder,SimpleListAttributeDefinition>{
private final AttributeDefinition valueType;
public Builder(final String name, final AttributeDefinition valueType) {
super(name, ModelType.LIST);
this.valueType = valueType;
}
public Builder(final SimpleListAttributeDefinition basis) {
super(basis);
valueType = basis.getValueType();
}
public static Builder of(final String name, final AttributeDefinition valueType) {
return new Builder(name, valueType);
}
/**
* Reintroduced since some legacy subsystems require this method, and they now get booted up
* for transformers subsystem testing.
*/
@Deprecated
public static Builder of(final String name, final SimpleAttributeDefinition valueType) {
return new Builder(name, valueType);
}
public SimpleListAttributeDefinition build() {
if (xmlName == null) xmlName = name;
if (maxSize < 1) maxSize = Integer.MAX_VALUE;
if (attributeMarshaller == null) {
attributeMarshaller = new AttributeMarshaller() {
@Override
public void marshallAsElement(AttributeDefinition attribute, ModelNode resourceModel, boolean marshallDefault, XMLStreamWriter writer) throws XMLStreamException {
if (resourceModel.hasDefined(attribute.getName())) {
writer.writeStartElement(attribute.getXmlName());
for (ModelNode handler : resourceModel.get(attribute.getName()).asList()) {
valueType.marshallAsElement(handler, writer);
}
writer.writeEndElement();
}
}
};
}
return new SimpleListAttributeDefinition(name, xmlName, valueType, allowNull, minSize, maxSize, alternatives, requires, attributeMarshaller, resourceOnly, deprecated, flags);
}
/*
--------------------------
added for binary compatibility with older versions
*/
@Override
public Builder setAllowNull(boolean allowNull) {
return super.setAllowNull(allowNull);
}
@Override
public Builder setMaxSize(final int maxSize) {
return super.setMaxSize(maxSize);
}
@Override
public Builder setMinSize(final int minSize) {
return super.setMinSize(minSize);
}
}
}