org.modeshape.jcr.value.basic.NameValueFactory Maven / Gradle / Ivy
/*
* ModeShape (http://www.modeshape.org)
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
* See the AUTHORS.txt file in the distribution for a full listing of
* individual contributors.
*
* ModeShape is free software. Unless otherwise indicated, all code in ModeShape
* is licensed to you 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.
*
* ModeShape 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.modeshape.jcr.value.basic;
import java.io.InputStream;
import java.math.BigDecimal;
import java.net.URI;
import java.util.Calendar;
import java.util.Date;
import java.util.UUID;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.modeshape.common.annotation.Immutable;
import org.modeshape.common.text.TextDecoder;
import org.modeshape.common.util.CheckArg;
import org.modeshape.jcr.GraphI18n;
import org.modeshape.jcr.api.value.DateTime;
import org.modeshape.jcr.cache.NodeKey;
import org.modeshape.jcr.value.BinaryValue;
import org.modeshape.jcr.value.IoException;
import org.modeshape.jcr.value.Name;
import org.modeshape.jcr.value.NameFactory;
import org.modeshape.jcr.value.NamespaceException;
import org.modeshape.jcr.value.NamespaceRegistry;
import org.modeshape.jcr.value.Path;
import org.modeshape.jcr.value.PropertyType;
import org.modeshape.jcr.value.Reference;
import org.modeshape.jcr.value.ValueFactories;
import org.modeshape.jcr.value.ValueFactory;
import org.modeshape.jcr.value.ValueFormatException;
/**
* The standard {@link ValueFactory} for {@link PropertyType#NAME} values.
*/
@Immutable
public class NameValueFactory extends AbstractValueFactory implements NameFactory {
// Non-escaped pattern: (\{([^}]*)\})?(.*)
protected static final String FULLY_QUALFIED_NAME_PATTERN_STRING = "\\{([^}]*)\\}(.*)";
protected static final Pattern FULLY_QUALIFIED_NAME_PATTERN = Pattern.compile(FULLY_QUALFIED_NAME_PATTERN_STRING);
// Original pattern: (([^:/]*):)?([^:]*)
private static final String PREFIXED_NAME_PATTERN_STRING = "(([^:/]+):)?([^:]*)";
private static final Pattern PREFIXED_NAME_PATTERN = Pattern.compile(PREFIXED_NAME_PATTERN_STRING);
private static Name BLANK_NAME;
private static Name ANY_NAME;
private final NamespaceRegistry.Holder namespaceRegistryHolder;
/**
* Create a new instance.
*
* @param namespaceRegistryHolder the holder of the namespace registry; may not be null
* @param decoder the text decoder; may be null if the default decoder should be used
* @param factories the set of value factories, used to obtain the {@link ValueFactories#getStringFactory() string value
* factory}; may not be null
*/
public NameValueFactory( NamespaceRegistry.Holder namespaceRegistryHolder,
TextDecoder decoder,
ValueFactories factories ) {
super(PropertyType.NAME, decoder, factories);
CheckArg.isNotNull(namespaceRegistryHolder, "namespaceRegistryHolder");
this.namespaceRegistryHolder = namespaceRegistryHolder;
}
@Override
public NameFactory with( ValueFactories valueFactories ) {
return super.valueFactories == valueFactories ? this : new NameValueFactory(namespaceRegistryHolder, super.getDecoder(),
valueFactories);
}
@Override
public NameFactory with( org.modeshape.jcr.value.NamespaceRegistry.Holder namespaceRegistryHolder ) {
return this.namespaceRegistryHolder == namespaceRegistryHolder ? this : new NameValueFactory(namespaceRegistryHolder,
super.getDecoder(),
valueFactories);
}
@Override
public Name create( String value ) {
return create(value, getDecoder());
}
@Override
public Name create( String value,
TextDecoder decoder ) {
if (value == null) return null;
if (decoder == null) decoder = getDecoder();
try {
if (value.length() == 0) {
if (BLANK_NAME == null) BLANK_NAME = new BasicName("", "");
return BLANK_NAME;
}
char firstChar = value.charAt(0);
if (value.length() == 1 && firstChar == '*') {
if (ANY_NAME == null) ANY_NAME = new BasicName("", "*");
return ANY_NAME;
}
if (firstChar != '{') {
// First, see whether the value fits the prefixed name pattern ...
Matcher matcher = PREFIXED_NAME_PATTERN.matcher(value);
if (matcher.matches()) {
String prefix = matcher.group(2);
String localName = matcher.group(3);
// Decode the parts ...
prefix = prefix == null ? "" : decoder.decode(prefix);
localName = decoder.decode(localName);
// Look for a namespace match ...
String namespaceUri = this.namespaceRegistryHolder.getNamespaceRegistry().getNamespaceForPrefix(prefix);
// Fail if no namespace is found ...
if (namespaceUri == null) {
throw new NamespaceException(GraphI18n.noNamespaceRegisteredForPrefix.text(prefix));
}
return new BasicName(namespaceUri, localName);
}
}
// If it doesn't fit the prefixed pattern, then try the internal pattern
Matcher matcher = FULLY_QUALIFIED_NAME_PATTERN.matcher(value);
if (matcher.matches()) {
String namespaceUri = matcher.group(1);
String localName = matcher.group(2);
// Decode the parts ...
return create(namespaceUri, localName, decoder);
}
} catch (NamespaceException err) {
throw new ValueFormatException(value, getPropertyType(),
GraphI18n.errorConvertingType.text(String.class.getSimpleName(),
Name.class.getSimpleName(),
value), err);
}
throw new ValueFormatException(value, getPropertyType(), GraphI18n.errorConvertingType.text(String.class.getSimpleName(),
Name.class.getSimpleName(),
value));
}
@Override
public Name create( String namespaceUri,
String localName ) {
return create(namespaceUri, localName, getDecoder());
}
@Override
public Name create( String namespaceUri,
String localName,
TextDecoder decoder ) {
CheckArg.isNotEmpty(localName, "localName");
if (decoder == null) decoder = getDecoder();
namespaceUri = namespaceUri != null ? decoder.decode(namespaceUri.trim()) : null;
localName = decoder.decode(localName.trim());
return new BasicName(namespaceUri, localName);
}
@Override
public Name create( int value ) {
throw new ValueFormatException(value, getPropertyType(),
GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
Integer.class.getSimpleName(),
value));
}
@Override
public Name create( long value ) {
throw new ValueFormatException(value, getPropertyType(), GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
Long.class.getSimpleName(),
value));
}
@Override
public Name create( boolean value ) {
throw new ValueFormatException(value, getPropertyType(),
GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
Boolean.class.getSimpleName(),
value));
}
@Override
public Name create( float value ) {
throw new ValueFormatException(value, getPropertyType(), GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
Float.class.getSimpleName(),
value));
}
@Override
public Name create( double value ) {
throw new ValueFormatException(value, getPropertyType(), GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
Double.class.getSimpleName(),
value));
}
@Override
public Name create( BigDecimal value ) {
throw new ValueFormatException(value, getPropertyType(),
GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
BigDecimal.class.getSimpleName(),
value));
}
@Override
public Name create( Calendar value ) {
throw new ValueFormatException(value, getPropertyType(),
GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
Calendar.class.getSimpleName(),
value));
}
@Override
public Name create( Date value ) {
throw new ValueFormatException(value, getPropertyType(), GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
Date.class.getSimpleName(),
value));
}
@Override
public Name create( DateTime value ) throws ValueFormatException {
throw new ValueFormatException(value, getPropertyType(),
GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
DateTime.class.getSimpleName(),
value));
}
@Override
public Name create( Name value ) {
return value;
}
@Override
public Name create( Path value ) {
if (value == null) return null;
if (!value.isAbsolute() && value.size() == 1) {
// A relative name of length 1 is converted to a name
Path.Segment segment = value.getLastSegment();
// Can only convert if the path has no SNS index ...
if (!segment.hasIndex()) return segment.getName();
}
throw new ValueFormatException(value, getPropertyType(), GraphI18n.errorConvertingType.text(Path.class.getSimpleName(),
Name.class.getSimpleName(),
value));
}
@Override
public Name create( Path.Segment segment ) {
if (segment == null) return null;
// Can only convert if the path has no SNS index ...
if (!segment.hasIndex()) return segment.getName();
throw new ValueFormatException(segment, getPropertyType(),
GraphI18n.errorConvertingType.text(Path.Segment.class.getSimpleName(),
Name.class.getSimpleName(),
segment));
}
@Override
public Name create( Reference value ) {
throw new ValueFormatException(value, getPropertyType(),
GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
Reference.class.getSimpleName(),
value));
}
@Override
public Name create( URI value ) {
if (value == null) return null;
String asciiString = value.toASCIIString();
// Remove any leading "./" ...
if (asciiString.startsWith("./") && asciiString.length() > 2) {
asciiString = asciiString.substring(2);
}
if (asciiString.indexOf('/') == -1) {
return create(asciiString);
}
throw new ValueFormatException(value, getPropertyType(), GraphI18n.errorConvertingType.text(URI.class.getSimpleName(),
Path.class.getSimpleName(),
value));
}
@Override
public Name create( UUID value ) throws IoException {
throw new ValueFormatException(value, getPropertyType(), GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
UUID.class.getSimpleName(),
value));
}
@Override
public Name create( NodeKey value ) throws ValueFormatException {
throw new ValueFormatException(value, getPropertyType(),
GraphI18n.unableToCreateValue.text(getPropertyType().getName(),
NodeKey.class.getSimpleName(),
value));
}
@Override
public Name create( byte[] value ) {
// First attempt to create a string from the value, then a long from the string ...
return create(getStringValueFactory().create(value));
}
@Override
public Name create( BinaryValue value ) throws ValueFormatException, IoException {
// First create a string and then create the boolean from the string value ...
return create(getStringValueFactory().create(value));
}
@Override
public Name create( InputStream stream ) throws IoException {
// First attempt to create a string from the value, then a double from the string ...
return create(getStringValueFactory().create(stream));
}
@Override
public NamespaceRegistry getNamespaceRegistry() {
return namespaceRegistryHolder.getNamespaceRegistry();
}
@Override
protected Name[] createEmptyArray( int length ) {
return new Name[length];
}
}
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