/*
* 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.spi.commons.value;
import java.util.Calendar;
import java.util.UUID;
import java.math.BigDecimal;
import java.net.URI;
import java.io.UnsupportedEncodingException;
import javax.jcr.PropertyType;
import javax.jcr.RepositoryException;
import javax.jcr.ValueFormatException;
import org.apache.jackrabbit.spi.Name;
import org.apache.jackrabbit.spi.NameFactory;
import org.apache.jackrabbit.spi.PathFactory;
import org.apache.jackrabbit.spi.QPropertyDefinition;
import org.apache.jackrabbit.spi.QValue;
import org.apache.jackrabbit.spi.QValueFactory;
import org.apache.jackrabbit.spi.Path;
import org.apache.jackrabbit.spi.commons.name.NameConstants;
import org.apache.jackrabbit.spi.commons.name.NameFactoryImpl;
import org.apache.jackrabbit.spi.commons.name.PathFactoryImpl;
import org.apache.jackrabbit.util.ISO8601;
/**
* <code>AbstractQValueFactory</code>...
*/
public abstract class AbstractQValueFactory implements QValueFactory {
/**
* the default encoding
*/
public static final String DEFAULT_ENCODING = "UTF-8";
protected static final PathFactory PATH_FACTORY = PathFactoryImpl.getInstance();
protected static final NameFactory NAME_FACTORY = NameFactoryImpl.getInstance();
//------------------------------------------------------< QValueFactory >---
/**
* @see QValueFactory#computeAutoValues(org.apache.jackrabbit.spi.QPropertyDefinition)
*/
public QValue[] computeAutoValues(QPropertyDefinition propertyDefinition) throws RepositoryException {
Name declaringNT = propertyDefinition.getDeclaringNodeType();
Name name = propertyDefinition.getName();
if (NameConstants.JCR_UUID.equals(name)
&& NameConstants.MIX_REFERENCEABLE.equals(declaringNT)) {
// jcr:uuid property of a mix:referenceable
return new QValue[]{create(UUID.randomUUID().toString(), PropertyType.STRING)};
} else {
throw new RepositoryException("createFromDefinition not implemented for: " + name);
}
}
/**
* @see QValueFactory#create(String, int)
*/
public QValue create(String value, int type) throws RepositoryException {
if (value == null) {
throw new IllegalArgumentException("Cannot create QValue from null value.");
}
try {
switch (type) {
case PropertyType.BOOLEAN:
return create(Boolean.valueOf(value));
case PropertyType.DATE: {
Calendar cal = ISO8601.parse(value);
if (cal == null) {
throw new ValueFormatException("not a valid date: " + value);
}
return create(cal);
}
case PropertyType.DOUBLE:
return create(Double.valueOf(value));
case PropertyType.LONG:
return create(Long.valueOf(value));
case PropertyType.DECIMAL:
return create(new BigDecimal(value));
case PropertyType.URI:
return create(URI.create(value));
case PropertyType.PATH:
return create(PATH_FACTORY.create(value));
case PropertyType.NAME:
return create(NAME_FACTORY.create(value));
case PropertyType.STRING:
return createString(value);
case PropertyType.REFERENCE:
return createReference(value, false);
case PropertyType.WEAKREFERENCE:
return createReference(value, true);
case PropertyType.BINARY:
return create(value.getBytes(DEFAULT_ENCODING));
// default: invalid type specified -> see below.
}
} catch (IllegalArgumentException ex) {
// given String value cannot be converted to Long/Double/Path/Name
throw new ValueFormatException(ex);
} catch (UnsupportedEncodingException ex) {
throw new RepositoryException(ex);
}
// invalid type specified:
throw new IllegalArgumentException("illegal type " + type);
}
/**
* @see QValueFactory#create(Calendar)
*/
public QValue create(Calendar value) throws RepositoryException {
if (value == null) {
throw new IllegalArgumentException("Cannot create QValue from null value.");
}
return new DefaultQValue(value);
}
/**
* @see QValueFactory#create(double)
*/
public QValue create(double value) throws RepositoryException {
return new DefaultQValue(value);
}
/**
* @see QValueFactory#create(long)
*/
public QValue create(long value) throws RepositoryException {
return new DefaultQValue(value);
}
/**
* @see QValueFactory#create(boolean)
*/
public QValue create(boolean value) throws RepositoryException {
if (value) {
return DefaultQValue.TRUE;
} else {
return DefaultQValue.FALSE;
}
}
/**
* @see QValueFactory#create(Name)
*/
public QValue create(Name value) throws RepositoryException {
if (value == null) {
throw new IllegalArgumentException("Cannot create QValue from null value.");
}
return new DefaultQValue(value);
}
/**
* @see QValueFactory#create(Path)
*/
public QValue create(Path value) throws RepositoryException {
if (value == null) {
throw new IllegalArgumentException("Cannot create QValue from null value.");
}
return new DefaultQValue(value);
}
/**
* @see QValueFactory#create(URI)
*/
public QValue create(URI value) throws RepositoryException {
if (value == null) {
throw new IllegalArgumentException("Cannot create QValue from null value.");
}
return new DefaultQValue(value);
}
/**
* @see QValueFactory#create(URI)
*/
public QValue create(BigDecimal value) throws RepositoryException {
if (value == null) {
throw new IllegalArgumentException("Cannot create QValue from null value.");
}
return new DefaultQValue(value);
}
/**
* Creates a new QValue of type STRING.
*
* @param value the string value.
* @return a new QValue.
*/
protected QValue createString(String value) {
return new DefaultQValue(value, PropertyType.STRING);
}
/**
* Creates a new QValue of type REFERENCE or WEAKREFERENCE.
*
* @param ref the reference value.
* @param weak whether the reference is weak.
* @return a new QValue.
*/
protected QValue createReference(String ref, boolean weak) {
if (weak) {
return new DefaultQValue(ref, PropertyType.WEAKREFERENCE);
} else {
return new DefaultQValue(ref, PropertyType.REFERENCE);
}
}
}