/*
* 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;
import java.io.InputStream;
import java.math.BigDecimal;
import java.net.URI;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import javax.jcr.Node;
import javax.jcr.PropertyType;
import javax.jcr.RepositoryException;
import javax.jcr.Value;
import javax.jcr.ValueFactory;
import javax.jcr.ValueFormatException;
import org.modeshape.common.util.CheckArg;
import org.modeshape.jcr.api.value.DateTime;
import org.modeshape.jcr.value.BinaryValue;
import org.modeshape.jcr.value.NamespaceRegistry;
import org.modeshape.jcr.value.Reference;
import org.modeshape.jcr.value.ReferenceFactory;
import org.modeshape.jcr.value.ValueFactories;
/**
* The {@link ValueFactory} implementation for ModeShape.
*/
public class JcrValueFactory implements org.modeshape.jcr.api.ValueFactory {
private static final JcrValue[] EMPTY_ARRAY = new JcrValue[0];
private final ValueFactories valueFactories;
private final NamespaceRegistry namespaces;
private final String executionContextProcessId;
protected JcrValueFactory( ExecutionContext context ) {
this.valueFactories = context.getValueFactories();
this.namespaces = context.getNamespaceRegistry();
this.executionContextProcessId = context.getProcessId();
}
public JcrValue[] createValues( List<?> values,
int propertyType ) throws ValueFormatException {
CheckArg.isNotNull(values, "values");
final int size = values.size();
if (size == 0) return EMPTY_ARRAY;
JcrValue[] jcrValues = new JcrValue[size];
int count = 0;
org.modeshape.jcr.value.ValueFactory<?> valueFactory = valueFactoryFor(propertyType);
for (Object value : values) {
try {
Object objectValue = valueFactory.create(value);
jcrValues[count++] = new JcrValue(valueFactories, propertyType, objectValue);
} catch (org.modeshape.jcr.value.ValueFormatException vfe) {
throw new ValueFormatException(vfe);
}
}
return jcrValues;
}
@Override
public JcrValue createValue( String value,
int propertyType ) throws ValueFormatException {
if (value == null) return null;
return new JcrValue(valueFactories, propertyType, convertValueToType(value, propertyType));
}
public JcrValue createValue( Object value,
int propertyType ) throws ValueFormatException {
if (value == null) return null;
return new JcrValue(valueFactories, propertyType, convertValueToType(value, propertyType));
}
@Override
public JcrValue createValue( Node value ) throws RepositoryException {
if (value == null) {
return new JcrValue(valueFactories, PropertyType.REFERENCE, null);
}
AbstractJcrNode node = validateReferenceableNode(value);
Reference ref = valueFactories.getReferenceFactory().create(node.key(), node.isForeign());
return new JcrValue(valueFactories, PropertyType.REFERENCE, ref);
}
@Override
public JcrValue createValue( Node value,
boolean weak ) throws RepositoryException {
if (value == null) {
return new JcrValue(valueFactories, weak ? PropertyType.WEAKREFERENCE : PropertyType.REFERENCE, null);
}
AbstractJcrNode node = validateReferenceableNode(value);
ReferenceFactory factory = weak ? valueFactories.getWeakReferenceFactory() : valueFactories.getReferenceFactory();
int refType = weak ? PropertyType.WEAKREFERENCE : PropertyType.REFERENCE;
Reference ref = factory.create(node.key(), node.isForeign());
return new JcrValue(valueFactories, refType, ref);
}
private AbstractJcrNode validateReferenceableNode( Node value ) throws RepositoryException {
if (!value.isNodeType(JcrMixLexicon.REFERENCEABLE.getString(namespaces))) {
throw new RepositoryException(JcrI18n.nodeNotReferenceable.text());
}
if (!(value instanceof AbstractJcrNode)) {
throw new IllegalArgumentException("Invalid node type (expected a ModeShape node): " + value.getClass().toString());
}
AbstractJcrNode node = (AbstractJcrNode)value;
if (!node.isInTheSameProcessAs(executionContextProcessId)) {
throw new RepositoryException(JcrI18n.nodeNotInTheSameSession.text(node.path()));
}
return node;
}
@Override
public JcrValue createValue( javax.jcr.Binary value ) {
if (value == null) return null;
return new JcrValue(valueFactories, PropertyType.BINARY, value);
}
@Override
public JcrValue createValue( InputStream value ) {
if (value == null) return null;
BinaryValue binary = valueFactories.getBinaryFactory().create(value);
return new JcrValue(valueFactories, PropertyType.BINARY, binary);
}
@Override
public BinaryValue createBinary( InputStream value ) {
if (value == null) return null;
return valueFactories.getBinaryFactory().create(value);
}
@Override
public BinaryValue createBinary( InputStream value,
String hint ) {
if (value == null) return null;
return valueFactories.getBinaryFactory().create(value, hint);
}
@Override
public JcrValue createValue( Calendar value ) {
if (value == null) return null;
DateTime dateTime = valueFactories.getDateFactory().create(value);
return new JcrValue(valueFactories, PropertyType.DATE, dateTime);
}
@Override
public JcrValue createValue( boolean value ) {
return new JcrValue(valueFactories, PropertyType.BOOLEAN, value);
}
@Override
public JcrValue createValue( double value ) {
return new JcrValue(valueFactories, PropertyType.DOUBLE, value);
}
@Override
public JcrValue createValue( long value ) {
return new JcrValue(valueFactories, PropertyType.LONG, value);
}
@Override
public JcrValue createValue( String value ) {
if (value == null) return null;
return new JcrValue(valueFactories, PropertyType.STRING, value);
}
@Override
public JcrValue createValue( BigDecimal value ) {
if (value == null) return null;
return new JcrValue(valueFactories, PropertyType.DECIMAL, value);
}
@Override
public BinaryValue createBinary( byte[] value ) {
if (value == null) return null;
return valueFactories.getBinaryFactory().create(value);
}
@Override
public JcrValue createValue( Date value ) {
if (value == null) return null;
return new JcrValue(valueFactories, PropertyType.DATE, value);
}
@Override
public Value createValue( URI value ) {
if (value == null) return null;
return new JcrValue(valueFactories, PropertyType.URI, value);
}
public JcrValue createValue( Reference value ) {
if (value == null) return null;
int refType = value.isWeak() ? PropertyType.WEAKREFERENCE : PropertyType.REFERENCE;
return new JcrValue(valueFactories, refType, value);
}
@Override
public String createName( String localName ) {
return valueFactories.getNameFactory().create((String)null, localName).getString();
}
@Override
public String createName( String namespaceUri,
String localName ) {
return valueFactories.getNameFactory().create(namespaceUri, localName).getString();
}
@Override
public JcrValue createSimpleReference( Node node ) throws RepositoryException {
AbstractJcrNode abstractJcrNode = validateReferenceableNode(node);
Reference ref = valueFactories.getSimpleReferenceFactory().create(abstractJcrNode.key(), abstractJcrNode.isForeign());
return new JcrValue(valueFactories, org.modeshape.jcr.api.PropertyType.SIMPLE_REFERENCE, ref);
}
protected org.modeshape.jcr.value.ValueFactory<?> valueFactoryFor( int jcrPropertyType ) {
switch (jcrPropertyType) {
case PropertyType.BOOLEAN:
return valueFactories.getBooleanFactory();
case PropertyType.DATE:
return valueFactories.getDateFactory();
case PropertyType.NAME:
return valueFactories.getNameFactory();
case PropertyType.PATH:
return valueFactories.getPathFactory();
case PropertyType.REFERENCE:
return valueFactories.getReferenceFactory();
case PropertyType.WEAKREFERENCE:
return valueFactories.getWeakReferenceFactory();
case org.modeshape.jcr.api.PropertyType.SIMPLE_REFERENCE:
return valueFactories.getSimpleReferenceFactory();
case PropertyType.DOUBLE:
return valueFactories.getDoubleFactory();
case PropertyType.LONG:
return valueFactories.getLongFactory();
case PropertyType.DECIMAL:
return valueFactories.getDecimalFactory();
case PropertyType.URI:
return valueFactories.getUriFactory();
// Anything can be converted to these types
case PropertyType.BINARY:
return valueFactories.getBinaryFactory();
case PropertyType.STRING:
return valueFactories.getStringFactory();
case PropertyType.UNDEFINED:
return valueFactories.getObjectFactory();
default:
assert false : "Unexpected JCR property type " + jcrPropertyType;
// This should still throw an exception even if jcrPropertyType are turned off
throw new IllegalStateException("Invalid property type " + jcrPropertyType);
}
}
protected Object convertValueToType( Object value,
int toType ) throws ValueFormatException {
try {
return valueFactoryFor(toType).create(value);
} catch (org.modeshape.jcr.value.ValueFormatException vfe) {
throw new ValueFormatException(vfe);
}
}
}